From f658088afdd97b6953de3c2cc6372a94a167983b Mon Sep 17 00:00:00 2001 From: Karan Anand Date: Thu, 6 Mar 2025 12:51:31 -0800 Subject: [PATCH 01/10] chore: temp commit --- .../math/base/special/kernel-cos/src/main.c | 37 +++ .../math/base/special/kernel-cosf/LICENSE | 192 ++++++++++++++ .../math/base/special/kernel-cosf/README.md | 234 ++++++++++++++++++ .../kernel-cosf/benchmark/benchmark.js | 52 ++++ .../kernel-cosf/benchmark/benchmark.native.js | 61 +++++ .../kernel-cosf/benchmark/c/native/Makefile | 147 +++++++++++ .../benchmark/c/native/benchmark.c | 133 ++++++++++ .../math/base/special/kernel-cosf/binding.gyp | 170 +++++++++++++ .../img/equation_double_double_inequality.svg | 37 +++ .../base/special/kernel-cosf/docs/repl.txt | 40 +++ .../special/kernel-cosf/docs/types/index.d.ts | 54 ++++ .../special/kernel-cosf/docs/types/test.ts | 56 +++++ .../special/kernel-cosf/examples/c/Makefile | 146 +++++++++++ .../special/kernel-cosf/examples/c/example.c | 32 +++ .../special/kernel-cosf/examples/index.js | 30 +++ .../base/special/kernel-cosf/include.gypi | 53 ++++ .../stdlib/math/base/special/kernel_cos.h | 40 +++ .../base/special/kernel-cosf/lib/index.js | 49 ++++ .../math/base/special/kernel-cosf/lib/main.js | 85 +++++++ .../base/special/kernel-cosf/lib/native.js | 58 +++++ .../base/special/kernel-cosf/manifest.json | 68 +++++ .../base/special/kernel-cosf/package.json | 69 ++++++ .../base/special/kernel-cosf/src/Makefile | 70 ++++++ .../math/base/special/kernel-cosf/src/addon.c | 23 ++ .../math/base/special/kernel-cosf/src/main.c | 184 ++++++++++++++ .../base/special/kernel-cosf/test/test.js | 128 ++++++++++ .../special/kernel-cosf/test/test.native.js | 132 ++++++++++ 27 files changed, 2380 insertions(+) create mode 100644 lib/node_modules/@stdlib/math/base/special/kernel-cosf/LICENSE create mode 100644 lib/node_modules/@stdlib/math/base/special/kernel-cosf/README.md create mode 100644 lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/benchmark.js create mode 100644 lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/benchmark.native.js create mode 100644 lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/c/native/Makefile create mode 100644 lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/c/native/benchmark.c create mode 100644 lib/node_modules/@stdlib/math/base/special/kernel-cosf/binding.gyp create mode 100644 lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/img/equation_double_double_inequality.svg create mode 100644 lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/repl.txt create mode 100644 lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/types/index.d.ts create mode 100644 lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/types/test.ts create mode 100644 lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/c/Makefile create mode 100644 lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/c/example.c create mode 100644 lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/index.js create mode 100644 lib/node_modules/@stdlib/math/base/special/kernel-cosf/include.gypi create mode 100644 lib/node_modules/@stdlib/math/base/special/kernel-cosf/include/stdlib/math/base/special/kernel_cos.h create mode 100644 lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/index.js create mode 100644 lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/main.js create mode 100644 lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/native.js create mode 100644 lib/node_modules/@stdlib/math/base/special/kernel-cosf/manifest.json create mode 100644 lib/node_modules/@stdlib/math/base/special/kernel-cosf/package.json create mode 100644 lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/Makefile create mode 100644 lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/addon.c create mode 100644 lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/main.c create mode 100644 lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/test.js create mode 100644 lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/test.native.js diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cos/src/main.c b/lib/node_modules/@stdlib/math/base/special/kernel-cos/src/main.c index a826b2e34d30..bea72e24c4a3 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cos/src/main.c +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cos/src/main.c @@ -145,3 +145,40 @@ double stdlib_base_kernel_cos( const double x, const double y ) { w = 1.0 - hz; return w + ( ((1.0-w) - hz) + ((z*r) - (x*y)) ); } +// BEGIN: polyval_c01 + +/** +* Evaluates a polynomial. +* +* ## Notes +* +* - The implementation uses [Horner's rule][horners-method] for efficient computation. +* +* [horners-method]: https://en.wikipedia.org/wiki/Horner%27s_method +* +* @param x value at which to evaluate the polynomial +* @return evaluated polynomial +*/ +static float polyval_c01( const float x ) { + return -0.499999997251031f + (x * 0.04166662332373906f); +} + +// END: polyval_c01// BEGIN: polyval_c23 + +/** +* Evaluates a polynomial. +* +* ## Notes +* +* - The implementation uses [Horner's rule][horners-method] for efficient computation. +* +* [horners-method]: https://en.wikipedia.org/wiki/Horner%27s_method +* +* @param x value at which to evaluate the polynomial +* @return evaluated polynomial +*/ +static float polyval_c23( const float x ) { + return -0.001388676377460993f + (x * 0.00002439044879627741f); +} + +// END: polyval_c23 \ No newline at end of file diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/LICENSE b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/LICENSE new file mode 100644 index 000000000000..a7566ad6f2c3 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/LICENSE @@ -0,0 +1,192 @@ + + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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All rights reserved. + +Developed at SunPro, a Sun Microsystems, Inc. business. +Permission to use, copy, modify, and distribute this +software is freely granted, provided that this notice +is preserved. diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/README.md b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/README.md new file mode 100644 index 000000000000..29def6884f10 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/README.md @@ -0,0 +1,234 @@ + + +# kernelCos + +> Compute the [cosine][cosine] of a double-precision floating-point number on `[-π/4, π/4]`. + +
+ +## Usage + +```javascript +var kernelCos = require( '@stdlib/math/base/special/kernel-cos' ); +``` + +#### kernelCos( x, y ) + +Computes the [cosine][cosine] of a double-precision floating-point number on `[-π/4, π/4]`. + +```javascript +var v = kernelCos( 0.0, 0.0 ); +// returns ~1.0 + +v = kernelCos( 3.141592653589793/6.0, 0.0 ); +// returns ~0.866 + +v = kernelCos( 0.785, -1.144e-17 ); +// returns ~0.707 + +v = kernelCos( NaN, 0.0 ); +// returns NaN +``` + +
+ + + +
+ +## Notes + +- For increased accuracy, the number for which the [cosine][cosine] should be evaluated can be supplied as a [double-double number][double-double-arithmetic] (i.e., a non-evaluated sum of two [double-precision floating-point numbers][ieee754] `x` and `y`). + +- As components of a [double-double number][double-double-arithmetic], the two [double-precision floating-point numbers][ieee754] `x` and `y` must satisfy + + + +
+ Inequality for the two components of a double-double number. +
+
+ + + + where `ulp` stands for [units in the last place][ulp]. + +
+ + + +
+ +## Examples + + + +```javascript +var linspace = require( '@stdlib/array/base/linspace' ); +var PI = require( '@stdlib/constants/float64/pi' ); +var kernelCos = require( '@stdlib/math/base/special/kernel-cos' ); + +var x = linspace( -PI/4.0, PI/4.0, 100 ); + +var i; +for ( i = 0; i < x.length; i++ ) { + console.log( 'kernelCos(%d) = %d', x[ i ], kernelCos( x[ i ], 0.0 ) ); +} +``` + +
+ + + + + +* * * + +
+ +## C APIs + + + +
+ +
+ + + + + +
+ +### Usage + +```c +#include "stdlib/math/base/special/kernel_cos.h" +``` + +#### stdlib_base_kernel_cos( x, y ) + +Computes the [cosine][cosine] of a double-precision floating-point number on `[-π/4, π/4]`. + +```c +var v = stdlib_base_kernel_cos( 0.0, 0.0 ); +// returns ~0.0 + +v = stdlib_base_kernel_cos( 3.141592653589793/6.0, 0.0 ); +// returns ~0.866 +``` + +The function accepts the following arguments: + +- **x**: `[in] double` input value (in radians, assumed to be bounded by `~pi/4` in magnitude). +- **y**: `[in] double` tail of `x`. + +```c +double stdlib_base_kernel_cos( const double x, const double y ); +``` + +
+ + + + + +
+ +### Notes + +- For increased accuracy, the number for which the [cosine][cosine] should be evaluated can be supplied as a [double-double number][double-double-arithmetic] (i.e., a non-evaluated sum of two [double-precision floating-point numbers][ieee754] `x` and `y`). + +
+ + + + + +
+ +### Examples + +```c +#include "stdlib/math/base/special/kernel_cos.h" +#include + +int main( void ) { + const double x[] = { -0.7853981633974483, -0.6108652381980153, -0.4363323129985824, -0.26179938779914946, -0.08726646259971649, 0.08726646259971649, 0.26179938779914935, 0.43633231299858233, 0.6108652381980153, 0.7853981633974483 }; + + double out; + int i; + for ( i = 0; i < 10; i++ ) { + out = stdlib_base_kernel_cos( x[ i ], 0.0 ); + printf ( "x[ i ]: %lf, y: %lf, out: %lf\n", x[ i ], 0.0, out ); + } +} +``` + +
+ + + +
+ + + + + +
+ +* * * + +## See Also + +- [`@stdlib/math/base/special/cos`][@stdlib/math/base/special/cos]: compute the cosine of a number. +- [`@stdlib/math/base/special/kernel-sin`][@stdlib/math/base/special/kernel-sin]: compute the sine of a double-precision floating-point number on \[-π/4, π/4]. +- [`@stdlib/math/base/special/kernel-tan`][@stdlib/math/base/special/kernel-tan]: compute the tangent of a double-precision floating-point number on \[-π/4, π/4]. + +
+ + + + + +
+ +[cosine]: https://en.wikipedia.org/wiki/Cosine + +[double-double-arithmetic]: https://en.wikipedia.org/wiki/Quadruple-precision_floating-point_format#Double-double_arithmetic + +[ieee754]: https://en.wikipedia.org/wiki/IEEE_floating_point + +[ulp]: https://en.wikipedia.org/wiki/Unit_in_the_last_place + + + +[@stdlib/math/base/special/cos]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/math/base/special/cos + +[@stdlib/math/base/special/kernel-sin]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/math/base/special/kernel-sin + +[@stdlib/math/base/special/kernel-tan]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/math/base/special/kernel-tan + + + +
+ + diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/benchmark.js b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/benchmark.js new file mode 100644 index 000000000000..5641de4b509b --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/benchmark.js @@ -0,0 +1,52 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2018 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var bench = require( '@stdlib/bench' ); +var randu = require( '@stdlib/random/base/randu' ); +var isnan = require( '@stdlib/math/base/assert/is-nan' ); +var PI = require( '@stdlib/constants/float64/pi' ); +var pkg = require( './../package.json' ).name; +var kernelCos = require( './../lib' ); + + +// MAIN // + +bench( pkg, function benchmark( b ) { + var x; + var y; + var i; + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + x = ( randu() * PI / 2 ) - ( PI / 4.0 ); + y = kernelCos( x, 0.0 ); + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); +}); diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/benchmark.native.js new file mode 100644 index 000000000000..b1b9e3dee4bc --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/benchmark.native.js @@ -0,0 +1,61 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2022 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var bench = require( '@stdlib/bench' ); +var randu = require( '@stdlib/random/base/randu' ); +var isnan = require( '@stdlib/math/base/assert/is-nan' ); +var PI = require( '@stdlib/constants/float64/pi' ); +var tryRequire = require( '@stdlib/utils/try-require' ); +var pkg = require( './../package.json' ).name; + + +// VARIABLES // + +var kernelCos = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var opts = { + 'skip': ( kernelCos instanceof Error ) +}; + + +// MAIN // + +bench( pkg+'::native', opts, function benchmark( b ) { + var x; + var y; + var i; + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + x = ( randu() * PI/2.0 ) - ( PI/4.0 ); + y = kernelCos( x, 0.0 ); + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); +}); diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/c/native/Makefile b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/c/native/Makefile new file mode 100644 index 000000000000..45c36ede7d1e --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/c/native/Makefile @@ -0,0 +1,147 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2022 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + +# Define the program used for compiling C source files: +ifdef C_COMPILER + CC := $(C_COMPILER) +else + CC := gcc +endif + +# Define the command-line options when compiling C files: +CFLAGS ?= \ + -std=c99 \ + -O3 \ + -Wall \ + -pedantic + +# Determine whether to generate position independent code ([1][1], [2][2]). +# +# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options +# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option +ifeq ($(OS), WINNT) + fPIC ?= +else + fPIC ?= -fPIC +endif + +# List of includes (e.g., `-I /foo/bar -I /beep/boop/include`): +INCLUDE ?= + +# List of source files: +SOURCE_FILES ?= + +# List of libraries (e.g., `-lopenblas -lpthread`): +LIBRARIES ?= + +# List of library paths (e.g., `-L /foo/bar -L /beep/boop`): +LIBPATH ?= + +# List of C targets: +c_targets := benchmark.out + + +# RULES # + +#/ +# Compiles source files. +# +# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`) +# @param {string} [CFLAGS] - C compiler options +# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`) +# @param {string} [SOURCE_FILES] - list of source files +# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`) +# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`) +# +# @example +# make +# +# @example +# make all +#/ +all: $(c_targets) + +.PHONY: all + +#/ +# Compiles C source files. +# +# @private +# @param {string} CC - C compiler (e.g., `gcc`) +# @param {string} CFLAGS - C compiler options +# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`) +# @param {string} SOURCE_FILES - list of source files +# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`) +# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`) +#/ +$(c_targets): %.out: %.c + $(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES) + +#/ +# Runs compiled benchmarks. +# +# @example +# make run +#/ +run: $(c_targets) + $(QUIET) ./$< + +.PHONY: run + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: + $(QUIET) -rm -f *.o *.out + +.PHONY: clean + diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/c/native/benchmark.c b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/c/native/benchmark.c new file mode 100644 index 000000000000..4f95d929dd12 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/c/native/benchmark.c @@ -0,0 +1,133 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2022 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/math/base/special/kernel_cos.h" +#include +#include +#include +#include +#include + +#define NAME "kernel_cos" +#define ITERATIONS 1000000 +#define REPEATS 3 + +/** +* Prints the TAP version. +*/ +static void print_version( void ) { + printf( "TAP version 13\n" ); +} + +/** +* Prints the TAP summary. +* +* @param total total number of tests +* @param passing total number of passing tests +*/ +static void print_summary( int total, int passing ) { + printf( "#\n" ); + printf( "1..%d\n", total ); // TAP plan + printf( "# total %d\n", total ); + printf( "# pass %d\n", passing ); + printf( "#\n" ); + printf( "# ok\n" ); +} + +/** +* Prints benchmarks results. +* +* @param elapsed elapsed time in seconds +*/ +static void print_results( double elapsed ) { + double rate = (double)ITERATIONS / elapsed; + printf( " ---\n" ); + printf( " iterations: %d\n", ITERATIONS ); + printf( " elapsed: %0.9f\n", elapsed ); + printf( " rate: %0.9f\n", rate ); + printf( " ...\n" ); +} + +/** +* Returns a clock time. +* +* @return clock time +*/ +static double tic( void ) { + struct timeval now; + gettimeofday( &now, NULL ); + return (double)now.tv_sec + (double)now.tv_usec/1.0e6; +} + +/** +* Generates a random number on the interval [0,1). +* +* @return random number +*/ +static double rand_double( void ) { + int r = rand(); + return (double)r / ( (double)RAND_MAX + 1.0 ); +} + +/** +* Runs a benchmark. +* +* @return elapsed time in seconds +*/ +static double benchmark( void ) { + double elapsed; + double x; + double z; + double t; + int i; + + t = tic(); + for ( i = 0; i < ITERATIONS; i++ ) { + x = ( ( rand_double() * 2.0 ) - 1.0 ) * 0.7853981633974483; + z = stdlib_base_kernel_cos( x, 0.0 ); + if ( z != z ) { + printf( "should not return NaN\n" ); + break; + } + } + elapsed = tic() - t; + if ( z != z ) { + printf( "should not return NaN\n" ); + } + return elapsed; +} + +/** +* Main execution sequence. +*/ +int main( void ) { + double elapsed; + int i; + + // Use the current time to seed the random number generator: + srand( time( NULL ) ); + + print_version(); + for ( i = 0; i < REPEATS; i++ ) { + printf( "# c::%s\n", NAME ); + elapsed = benchmark(); + print_results( elapsed ); + printf( "ok %d benchmark finished\n", i+1 ); + } + print_summary( REPEATS, REPEATS ); +} diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/binding.gyp b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/binding.gyp new file mode 100644 index 000000000000..1058b57bab16 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/binding.gyp @@ -0,0 +1,170 @@ +# @license Apache-2.0 +# +# Copyright (c) 2022 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# A `.gyp` file for building a Node.js native add-on. +# +# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md +# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md +{ + # List of files to include in this file: + 'includes': [ + './include.gypi', + ], + + # Define variables to be used throughout the configuration for all targets: + 'variables': { + # Target name should match the add-on export name: + 'addon_target_name%': 'addon', + + # Set variables based on the host OS: + 'conditions': [ + [ + 'OS=="win"', + { + # Define the object file suffix: + 'obj': 'obj', + }, + { + # Define the object file suffix: + 'obj': 'o', + } + ], # end condition (OS=="win") + ], # end conditions + }, # end variables + + # Define compile targets: + 'targets': [ + + # Target to generate an add-on: + { + # The target name should match the add-on export name: + 'target_name': '<(addon_target_name)', + + # Define dependencies: + 'dependencies': [], + + # Define directories which contain relevant include headers: + 'include_dirs': [ + # Local include directory: + '<@(include_dirs)', + ], + + # List of source files: + 'sources': [ + '<@(src_files)', + ], + + # Settings which should be applied when a target's object files are used as linker input: + 'link_settings': { + # Define libraries: + 'libraries': [ + '<@(libraries)', + ], + + # Define library directories: + 'library_dirs': [ + '<@(library_dirs)', + ], + }, + + # C/C++ compiler flags: + 'cflags': [ + # Enable commonly used warning options: + '-Wall', + + # Aggressive optimization: + '-O3', + ], + + # C specific compiler flags: + 'cflags_c': [ + # Specify the C standard to which a program is expected to conform: + '-std=c99', + ], + + # C++ specific compiler flags: + 'cflags_cpp': [ + # Specify the C++ standard to which a program is expected to conform: + '-std=c++11', + ], + + # Linker flags: + 'ldflags': [], + + # Apply conditions based on the host OS: + 'conditions': [ + [ + 'OS=="mac"', + { + # Linker flags: + 'ldflags': [ + '-undefined dynamic_lookup', + '-Wl,-no-pie', + '-Wl,-search_paths_first', + ], + }, + ], # end condition (OS=="mac") + [ + 'OS!="win"', + { + # C/C++ flags: + 'cflags': [ + # Generate platform-independent code: + '-fPIC', + ], + }, + ], # end condition (OS!="win") + ], # end conditions + }, # end target <(addon_target_name) + + # Target to copy a generated add-on to a standard location: + { + 'target_name': 'copy_addon', + + # Declare that the output of this target is not linked: + 'type': 'none', + + # Define dependencies: + 'dependencies': [ + # Require that the add-on be generated before building this target: + '<(addon_target_name)', + ], + + # Define a list of actions: + 'actions': [ + { + 'action_name': 'copy_addon', + 'message': 'Copying addon...', + + # Explicitly list the inputs in the command-line invocation below: + 'inputs': [], + + # Declare the expected outputs: + 'outputs': [ + '<(addon_output_dir)/<(addon_target_name).node', + ], + + # Define the command-line invocation: + 'action': [ + 'cp', + '<(PRODUCT_DIR)/<(addon_target_name).node', + '<(addon_output_dir)/<(addon_target_name).node', + ], + }, + ], # end actions + }, # end target copy_addon + ], # end targets +} diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/img/equation_double_double_inequality.svg b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/img/equation_double_double_inequality.svg new file mode 100644 index 000000000000..3474d66a2029 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/img/equation_double_double_inequality.svg @@ -0,0 +1,37 @@ + +StartAbsoluteValue y EndAbsoluteValue less-than-or-equal-to one-half u l p left-parenthesis x right-parenthesis + + + \ No newline at end of file diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/repl.txt b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/repl.txt new file mode 100644 index 000000000000..d4cbd01c229c --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/repl.txt @@ -0,0 +1,40 @@ + +{{alias}}( x, y ) + Computes the cosine of a double-precision floating-point number on the + interval [-π/4, π/4]. + + For increased accuracy, the number for which the cosine should be evaluated + can be supplied as a double-double number (i.e., a non-evaluated sum of two + double-precision floating-point numbers `x` and `y`). + + The two numbers must satisfy `|y| < 0.5 * ulp( x )`. + + If either argument is `NaN`, the function returns `NaN`. + + Parameters + ---------- + x: number + Input value (in radians). + + y: number + Tail of `x`. + + Returns + ------- + out: number + Cosine. + + Examples + -------- + > var out = {{alias}}( 0.0, 0.0 ) + ~1.0 + > out = {{alias}}( {{alias:@stdlib/constants/float64/pi}}/6.0, 0.0 ) + ~0.866 + > out = {{alias}}( 0.785, -1.144e-17 ) + ~0.707 + > out = {{alias}}( NaN ) + NaN + + See Also + -------- + diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/types/index.d.ts b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/types/index.d.ts new file mode 100644 index 000000000000..f987c02ad282 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/types/index.d.ts @@ -0,0 +1,54 @@ +/* +* @license Apache-2.0 +* +* Copyright (c) 2019 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +// TypeScript Version: 4.1 + +/** +* Computes the cosine of a double-precision floating-point number on `[-π/4, π/4]`. +* +* ## Notes +* +* - For increased accuracy, the number for which the cosine should be evaluated can be supplied as a double-double number (i.e., a non-evaluated sum of two double-precision floating-point numbers `x` and `y`). +* - The two numbers must satisfy `|y| < 0.5 * ulp( x )`. +* +* @param x - input value (in radians, assumed to be bounded by ~pi/4 in magnitude) +* @param y - tail of `x` +* @returns cosine +* +* @example +* var v = kernelCos( 0.0, 0.0 ); +* // returns ~1.0 +* +* @example +* var v = kernelCos( 3.141592653589793/6.0, 0.0 ); +* // returns ~0.866 +* +* @example +* var v = kernelCos( 0.785, -1.144e-17 ); +* // returns ~0.707 +* +* @example +* var v = kernelCos( NaN, 0.0 ); +* // returns NaN +*/ +declare function kernelCos( x: number, y: number ): number; + + +// EXPORTS // + +export = kernelCos; diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/types/test.ts b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/types/test.ts new file mode 100644 index 000000000000..9e53291cfc35 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/types/test.ts @@ -0,0 +1,56 @@ +/* +* @license Apache-2.0 +* +* Copyright (c) 2019 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +import kernelCos = require( './index' ); + + +// TESTS // + +// The function returns a number... +{ + kernelCos( 0.5, 0.2 ); // $ExpectType number +} + +// The compiler throws an error if the function is provided values other than two numbers... +{ + kernelCos( true, 3 ); // $ExpectError + kernelCos( false, 2 ); // $ExpectError + kernelCos( '5', 1 ); // $ExpectError + kernelCos( [], 1 ); // $ExpectError + kernelCos( {}, 2 ); // $ExpectError + kernelCos( ( x: number ): number => x, 2 ); // $ExpectError + + kernelCos( 9, true ); // $ExpectError + kernelCos( 9, false ); // $ExpectError + kernelCos( 5, '5' ); // $ExpectError + kernelCos( 8, [] ); // $ExpectError + kernelCos( 9, {} ); // $ExpectError + kernelCos( 8, ( x: number ): number => x ); // $ExpectError + + kernelCos( [], true ); // $ExpectError + kernelCos( {}, false ); // $ExpectError + kernelCos( false, '5' ); // $ExpectError + kernelCos( {}, [] ); // $ExpectError + kernelCos( '5', ( x: number ): number => x ); // $ExpectError +} + +// The compiler throws an error if the function is provided insufficient arguments... +{ + kernelCos(); // $ExpectError + kernelCos( 0 ); // $ExpectError +} diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/c/Makefile b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/c/Makefile new file mode 100644 index 000000000000..91d364d19fc3 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/c/Makefile @@ -0,0 +1,146 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2022 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + +# Define the program used for compiling C source files: +ifdef C_COMPILER + CC := $(C_COMPILER) +else + CC := gcc +endif + +# Define the command-line options when compiling C files: +CFLAGS ?= \ + -std=c99 \ + -O3 \ + -Wall \ + -pedantic + +# Determine whether to generate position independent code ([1][1], [2][2]). +# +# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options +# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option +ifeq ($(OS), WINNT) + fPIC ?= +else + fPIC ?= -fPIC +endif + +# List of includes (e.g., `-I /foo/bar -I /beep/boop/include`): +INCLUDE ?= + +# List of source files: +SOURCE_FILES ?= + +# List of libraries (e.g., `-lopenblas -lpthread`): +LIBRARIES ?= + +# List of library paths (e.g., `-L /foo/bar -L /beep/boop`): +LIBPATH ?= + +# List of C targets: +c_targets := example.out + + +# RULES # + +#/ +# Compiles source files. +# +# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`) +# @param {string} [CFLAGS] - C compiler options +# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`) +# @param {string} [SOURCE_FILES] - list of source files +# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`) +# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`) +# +# @example +# make +# +# @example +# make all +#/ +all: $(c_targets) + +.PHONY: all + +#/ +# Compiles C source files. +# +# @private +# @param {string} CC - C compiler (e.g., `gcc`) +# @param {string} CFLAGS - C compiler options +# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`) +# @param {string} SOURCE_FILES - list of source files +# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`) +# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`) +#/ +$(c_targets): %.out: %.c + $(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES) + +#/ +# Runs compiled examples. +# +# @example +# make run +#/ +run: $(c_targets) + $(QUIET) ./$< + +.PHONY: run + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: + $(QUIET) -rm -f *.o *.out + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/c/example.c b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/c/example.c new file mode 100644 index 000000000000..6342bbda0732 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/c/example.c @@ -0,0 +1,32 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2022 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + + +#include "stdlib/math/base/special/kernel_cos.h" +#include + +int main( void ) { + const double x[] = { -0.7853981633974483, -0.6108652381980153, -0.4363323129985824, -0.26179938779914946, -0.08726646259971649, 0.08726646259971649, 0.26179938779914935, 0.43633231299858233, 0.6108652381980153, 0.7853981633974483 }; + + double out; + int i; + for ( i = 0; i < 10; i++ ) { + out = stdlib_base_kernel_cos( x[ i ], 0.0 ); + printf ( "x[ i ]: %lf, y: %lf, out: %lf\n", x[ i ], 0.0, out ); + } +} diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/index.js b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/index.js new file mode 100644 index 000000000000..d98aaf0f60ff --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/index.js @@ -0,0 +1,30 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2018 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +var linspace = require( '@stdlib/array/base/linspace' ); +var PI = require( '@stdlib/constants/float64/pi' ); +var kernelCos = require( './../lib' ); + +var x = linspace( -PI/4.0, PI/4.0, 100 ); + +var i; +for ( i = 0; i < x.length; i++ ) { + console.log( 'kernelCos(%d) = %d', x[ i ], kernelCos( x[ i ], 0.0 ) ); +} diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/include.gypi b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/include.gypi new file mode 100644 index 000000000000..3b437d524797 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/include.gypi @@ -0,0 +1,53 @@ +# @license Apache-2.0 +# +# Copyright (c) 2022 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# A GYP include file for building a Node.js native add-on. +# +# Main documentation: +# +# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md +# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md +{ + # Define variables to be used throughout the configuration for all targets: + 'variables': { + # Source directory: + 'src_dir': './src', + + # Include directories: + 'include_dirs': [ + ' + +/* +* If C++, prevent name mangling so that the compiler emits a binary file having undecorated names, thus mirroring the behavior of a C compiler. +*/ +#ifdef __cplusplus +extern "C" { +#endif + +/** +* Computes the cosine of a double-precision floating-point number on [-π/4, π/4]. +*/ +double stdlib_base_kernel_cos( const double x, const double y ); + +#ifdef __cplusplus +} +#endif + +#endif // !STDLIB_MATH_BASE_SPECIAL_KERNEL_COS_H diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/index.js b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/index.js new file mode 100644 index 000000000000..b8d6346349ed --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/index.js @@ -0,0 +1,49 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2018 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +/** +* Compute the cosine of a number on `[-π/4, π/4]`. +* +* @module @stdlib/math/base/special/kernel-cosf +* +* @example +* var kernelCosf = require( '@stdlib/math/base/special/kernel-cosf' ); +* +* var v = kernelCosf( 0.0, 0.0 ); +* // returns ~1.0 +* +* v = kernelCosf( 3.141592653589793/6.0, 0.0 ); +* // returns ~0.866 +* +* v = kernelCosf( 0.785, -1.144e-17 ); +* // returns ~0.707 +* +* v = kernelCosf( NaN, 0.0 ); +* // returns NaN +*/ + +// MODULES // + +var main = require( './main.js' ); + + +// EXPORTS // + +module.exports = main; diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/main.js b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/main.js new file mode 100644 index 000000000000..c1ba0d47640e --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/main.js @@ -0,0 +1,85 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2018 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +* +* +* ## Notice +* +* The following copyright, license, and long comment were part of the original implementation available as part of [FreeBSD]{@link https://svnweb.freebsd.org/base/release/12.2.0/lib/msun/src/k_cosf.c}. The implementation follows the original, but has been modified for JavaScript. +* +* ```text +* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. +* +* Developed at SunPro, a Sun Microsystems, Inc. business. +* Permission to use, copy, modify, and distribute this +* software is freely granted, provided that this notice +* is preserved. +* ``` +*/ + +'use strict'; + +// VARIABLES // + +var C0 = -0.499999997251031003120 // -0x1ffffffd0c5e81.0p-54 +var C1 = 0.0416666233237390631894 // 0x155553e1053a42.0p-57 +var C2 = -0.00138867637746099294692 // -0x16c087e80f1e27.0p-62 +var C3 = 0.0000243904487962774090654 // 0x199342e0ee5069.0p-68 + + +// MAIN // + +/** +* Computes the cosine on \\( \[-\pi/4, \pi/4] \\), where \\( \pi/4 \approx 0.785398164 \\). +* +* ## Notes +* +* - \\( | \cos(x) - c(x) | \\) < 2^{-34.1} \approx \\( \[ -5.37 \times 10^{-11}, 5.295 \times 10^{-11} ] \\). +* +* @param {number} x - input value (in radians, assumed to be bounded by ~pi/4 in magnitude) +* @returns {number} cosine +* +* @example +* var v = kernelCosf( 0.0, 0.0 ); +* // returns ~1.0 +* +* @example +* var v = kernelCosf( 3.141592653589793/6.0, 0.0 ); +* // returns ~0.866 +* +* @example +* var v = kernelCosf( 0.785, -1.144e-17 ); +* // returns ~0.707 +* +* @example +* var v = kernelCosf( NaN, 0.0 ); +* // returns NaN +*/ +function kernelCosf( x, y ) { + var r; + var w; + var z; + + z = x * x; + w = z * z; + r = C2 + ( z*C3 ); + return ( (( 1.0+z*C0 ) + w*C1) + (w*z)*r ); +} + + +// EXPORTS // + +module.exports = kernelCosf; diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/native.js b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/native.js new file mode 100644 index 000000000000..a0348ee47d4d --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/native.js @@ -0,0 +1,58 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2022 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var addon = require( './../src/addon.node' ); + + +// MAIN // + +/** +* Computes the cosine on \\( \[-\pi/4, \pi/4] \\), where \\( \pi/4 \approx 0.785398164 \\). +* +* @private +* @param {number} x - input value (in radians, assumed to be bounded by ~pi/4 in magnitude) +* @returns {number} cosine +* +* @example +* var v = kernelCosf( 0.0, 0.0 ); +* // returns ~1.0 +* +* @example +* var v = kernelCosf( 3.141592653589793/6.0, 0.0 ); +* // returns ~0.866 +* +* @example +* var v = kernelCosf( 0.785, -1.144e-17 ); +* // returns ~0.707 +* +* @example +* var v = kernelCosf( NaN, 0.0 ); +* // returns NaN +*/ +function kernelCosf( x, y ) { + return addon( x, y ); +} + + +// EXPORTS // + +module.exports = kernelCosf; diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/manifest.json b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/manifest.json new file mode 100644 index 000000000000..1ab1a964ca74 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/manifest.json @@ -0,0 +1,68 @@ +{ + "options": { + "task": "build" + }, + "fields": [ + { + "field": "src", + "resolve": true, + "relative": true + }, + { + "field": "include", + "resolve": true, + "relative": true + }, + { + "field": "libraries", + "resolve": false, + "relative": false + }, + { + "field": "libpath", + "resolve": true, + "relative": false + } + ], + "confs": [ + { + "task": "build", + "src": [ + "./src/main.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/math/base/napi/binary" + ] + }, + { + "task": "benchmark", + "src": [ + "./src/main.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [] + }, + { + "task": "examples", + "src": [ + "./src/main.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [] + } + ] +} + diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/package.json b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/package.json new file mode 100644 index 000000000000..6bb7178c8ae4 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/package.json @@ -0,0 +1,69 @@ +{ + "name": "@stdlib/math/base/special/kernel-cos", + "version": "0.0.0", + "description": "Compute the cosine of a double-precision floating-point number on [-π/4, π/4].", + "license": "Apache-2.0", + "author": { + "name": "The Stdlib Authors", + "url": "https://github.com/stdlib-js/stdlib/graphs/contributors" + }, + "contributors": [ + { + "name": "The Stdlib Authors", + "url": "https://github.com/stdlib-js/stdlib/graphs/contributors" + } + ], + "main": "./lib", + "gypfile": true, + "directories": { + "benchmark": "./benchmark", + "doc": "./docs", + "example": "./examples", + "include": "./include", + "lib": "./lib", + "scripts": "./scripts", + "src": "./src", + "test": "./test" + }, + "types": "./docs/types", + "scripts": {}, + "homepage": "https://github.com/stdlib-js/stdlib", + "repository": { + "type": "git", + "url": "git://github.com/stdlib-js/stdlib.git" + }, + "bugs": { + "url": "https://github.com/stdlib-js/stdlib/issues" + }, + "dependencies": {}, + "devDependencies": {}, + "engines": { + "node": ">=0.10.0", + "npm": ">2.7.0" + }, + "os": [ + "aix", + "darwin", + "freebsd", + "linux", + "macos", + "openbsd", + "sunos", + "win32", + "windows" + ], + "keywords": [ + "stdlib", + "stdmath", + "mathematics", + "math", + "math.cos", + "cos", + "cosine", + "kernel", + "trig", + "trigonometry", + "radians", + "angle" + ] +} diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/Makefile b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/Makefile new file mode 100644 index 000000000000..f79b87238713 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/Makefile @@ -0,0 +1,70 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2022 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + + +# RULES # + +#/ +# Removes generated files for building an add-on. +# +# @example +# make clean-addon +#/ +clean-addon: + $(QUIET) -rm -f *.o *.node + +.PHONY: clean-addon + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: clean-addon + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/addon.c b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/addon.c new file mode 100644 index 000000000000..e9755cc4b832 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/addon.c @@ -0,0 +1,23 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2022 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/math/base/special/kernel_cos.h" +#include "stdlib/math/base/napi/binary.h" + +// cppcheck-suppress shadowFunction +STDLIB_MATH_BASE_NAPI_MODULE_DD_D( stdlib_base_kernel_cos ) diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/main.c b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/main.c new file mode 100644 index 000000000000..fc27bd38f339 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/main.c @@ -0,0 +1,184 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2022 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +* +* +* ## Notice +* +* The following copyright, license, and long comment were part of the original implementation available as part of [FreeBSD]{@link https://svnweb.freebsd.org/base/release/12.2.0/lib/msun/src/k_cos.c}. The implementation follows the original, but has been modified according to project conventions. +* +* ```text +* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. +* +* Developed at SunPro, a Sun Microsystems, Inc. business. +* Permission to use, copy, modify, and distribute this +* software is freely granted, provided that this notice +* is preserved. +* ``` +*/ + +#include "stdlib/math/base/special/kernel_cos.h" + +/* Begin auto-generated functions. The following functions are auto-generated. Do not edit directly. */ + +// BEGIN: polyval_c13 + +/** +* Evaluates a polynomial. +* +* ## Notes +* +* - The implementation uses [Horner's rule][horners-method] for efficient computation. +* +* [horners-method]: https://en.wikipedia.org/wiki/Horner%27s_method +* +* @param x value at which to evaluate the polynomial +* @return evaluated polynomial +*/ +static double polyval_c13( const double x ) { + return 0.0416666666666666 + (x * (-0.001388888888887411 + (x * 0.00002480158728947673))); +} + +// END: polyval_c13 + +// BEGIN: polyval_c46 + +/** +* Evaluates a polynomial. +* +* ## Notes +* +* - The implementation uses [Horner's rule][horners-method] for efficient computation. +* +* [horners-method]: https://en.wikipedia.org/wiki/Horner%27s_method +* +* @param x value at which to evaluate the polynomial +* @return evaluated polynomial +*/ +static double polyval_c46( const double x ) { + return -2.7557314351390663e-7 + (x * (2.087572321298175e-9 + (x * -1.1359647557788195e-11))); +} + +// END: polyval_c46 + +/* End auto-generated functions. */ + +/** +* Computes the cosine on \\( \[-\pi/4, \pi/4] \\), where \\( \pi/4 \approx 0.785398164 \\). +* +* ## Method +* +* - Since \\( \cos(-x) = \cos(x) \\), we need only to consider positive \\(x\\). +* +* - If \\( x < 2^{-27} \\), return \\(1\\) which is inexact if \\( x \ne 0 \\). +* +* - \\( cos(x) \\) is approximated by a polynomial of degree \\(14\\) on \\( \[0,\pi/4] \\). +* +* ```tex +* \cos(x) \approx 1 - \frac{x \cdot x}{2} + C_1 \cdot x^4 + \ldots + C_6 \cdot x^{14} +* ``` +* +* where the Remez error is +* +* ```tex +* \left| \cos(x) - \left( 1 - \frac{x^2}{2} + C_1x^4 + C_2x^6 + C_3x^8 + C_4x^{10} + C_5x^{12} + C_6x^{15} \right) \right| \le 2^{-58} +* ``` +* +* - Let \\( C_1x^4 + C_2x^6 + C_3x^8 + C_4x^{10} + C_5x^{12} + C_6x^{14} \\), then +* +* ```tex +* \cos(x) \approx 1 - \frac{x \cdot x}{2} + r +* ``` +* +* Since +* +* ```tex +* \cos(x+y) \approx \cos(x) - \sin(x) \cdot y \approx \cos(x) - x \cdot y +* ``` +* +* a correction term is necessary in \\( \cos(x) \\). Hence, +* +* ```tex +* \cos(x+y) = 1 - \left( \frac{x \cdot x}{2} - (r - x \cdot y) \right) +* ``` +* +* For better accuracy, rearrange to +* +* ```tex +* \cos(x+y) \approx w + \left( t + ( r - x \cdot y ) \right) +* ``` +* +* where \\( w = 1 - \frac{x \cdot x}{2} \\) and \\( t \\) is a tiny correction term (\\( 1 - \frac{x \cdot x}{2} = w + t \\) exactly in infinite precision). The exactness of \\(w + t\\) in infinite precision depends on \\(w\\) and \\(t\\) having the same precision as \\(x\\). +* +* @param x input value (in radians, assumed to be bounded by `~pi/4` in magnitude) +* @param y tail of `x` +* @return cosine +* +* @example +* double out = stdlib_base_kernel_cos( 3.141592653589793/6.0, 0.0 ); +* // returns ~0.866 +*/ +double stdlib_base_kernel_cos( const double x, const double y ) { + double hz; + double r; + double w; + double z; + + z = x * x; + w = z * z; + r = z * polyval_c13( z ); + r += w * w * polyval_c46( z ); + hz = 0.5 * z; + w = 1.0 - hz; + return w + ( ((1.0-w) - hz) + ((z*r) - (x*y)) ); +} +// BEGIN: polyval_c01 + +/** +* Evaluates a polynomial. +* +* ## Notes +* +* - The implementation uses [Horner's rule][horners-method] for efficient computation. +* +* [horners-method]: https://en.wikipedia.org/wiki/Horner%27s_method +* +* @param x value at which to evaluate the polynomial +* @return evaluated polynomial +*/ +static double polyval_c01( const double x ) { + return -0.499999997251031 + (x * 0.04166662332373906); +} + +// END: polyval_c01// BEGIN: polyval_c23 + +/** +* Evaluates a polynomial. +* +* ## Notes +* +* - The implementation uses [Horner's rule][horners-method] for efficient computation. +* +* [horners-method]: https://en.wikipedia.org/wiki/Horner%27s_method +* +* @param x value at which to evaluate the polynomial +* @return evaluated polynomial +*/ +static double polyval_c23( const double x ) { + return -0.001388676377460993 + (x * 0.00002439044879627741); +} + +// END: polyval_c23 \ No newline at end of file diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/test.js b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/test.js new file mode 100644 index 000000000000..a5aca9fc3902 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/test.js @@ -0,0 +1,128 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2018 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var tape = require( 'tape' ); +var isnan = require( '@stdlib/math/base/assert/is-nan' ); +var linspace = require( '@stdlib/array/base/linspace' ); +var rempio2 = require( '@stdlib/math/base/special/rempio2' ); +var PI = require( '@stdlib/constants/float64/pi' ); +var kernelCos = require( '@stdlib/math/base/special/kernel-cos' ); +var float64ToFloat32 = require( '@stdlib/number/float64/base/to-float32' ); +var kernelCosf = require( './../lib' ); +const exp = require('constants'); + + +// TESTS // + +tape( 'main export is a function', function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof kernelCosf, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'the function returns `NaN` if provided `NaN` for either parameter', function test( t ) { + var v = kernelCosf( NaN, 0.0 ); + t.equal( isnan( v ), true, 'returns NaN' ); + + v = kernelCosf( 4.0, NaN ); + t.equal( isnan( v ), true, 'returns NaN' ); + + v = kernelCosf( NaN, NaN ); + t.equal( isnan( v ), true, 'returns NaN' ); + t.end(); +}); + +tape.only( 'the function evaluates the cosine for input values on the interval `[-pi/4, pi/4]`', function test( t ) { + var expected; + var values; + var out; + var x; + var i; + + values = linspace( -PI/4.0, PI/4.0, 10 ); + for ( i = 0; i < values.length; i++ ) { + x = values[ i ]; + out = kernelCosf( x, 0.0 ); + expected = float64ToFloat32( kernelCos( float64ToFloat32( x ), 0.0 ) ); + console.log(out, expected); + t.strictEqual( out, expected, 'returns expected value' ); + } + t.end(); +}); + +tape( 'the function can be used to compute the cosine for input values outside of `[-pi/4, pi/4]` after argument reduction via `rempio2` (positive)', function test( t ) { + var values; + var out; + var x; + var y; + var n; + var i; + + values = linspace( 40.0*PI/4.0, 200*PI/4.0, 1000 ); + y = new Array( 2 ); + for ( i = 0; i < values.length; i++ ) { + x = values[ i ]; + n = rempio2( x, y ); + switch ( n & 3 ) { + case 0: + out = kernelCosf( y[ 0 ], y[ 1 ] ); + t.strictEqual( out, cos( x ), 'returns expected value' ); + break; + case 2: + out = -kernelCosf( y[ 0 ], y[ 1 ] ); + t.strictEqual( out, cos( x ), 'returns expected value' ); + break; + default: + break; + } + } + t.end(); +}); + +tape( 'the function can be used to compute the cosine for input values outside of `[-pi/4, pi/4]` after argument reduction via `rempio2` (negative)', function test( t ) { + var values; + var out; + var x; + var y; + var n; + var i; + + values = linspace( -200.0*PI/4.0, -40.0*PI/4.0, 1000 ); + y = new Array( 2 ); + for ( i = 0; i < values.length; i++ ) { + x = values[ i ]; + n = rempio2( x, y ); + switch ( n & 3 ) { + case 0: + out = kernelCosf( y[ 0 ], y[ 1 ] ); + t.strictEqual( out, cos( x ), 'returns expected value' ); + break; + case 2: + out = -kernelCosf( y[ 0 ], y[ 1 ] ); + t.strictEqual( out, cos( x ), 'returns expected value' ); + break; + default: + break; + } + } + t.end(); +}); diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/test.native.js b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/test.native.js new file mode 100644 index 000000000000..398d72f0a874 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/test.native.js @@ -0,0 +1,132 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2022 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var tape = require( 'tape' ); +var isnan = require( '@stdlib/math/base/assert/is-nan' ); +var linspace = require( '@stdlib/array/base/linspace' ); +var rempio2 = require( '@stdlib/math/base/special/rempio2' ); +var PI = require( '@stdlib/constants/float64/pi' ); +var cos = require( '@stdlib/math/base/special/cos' ); +var tryRequire = require( '@stdlib/utils/try-require' ); + + +// VARIABLES // + +var kernelCos = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var opts = { + 'skip': ( kernelCos instanceof Error ) +}; + + +// TESTS // + +tape( 'main export is a function', opts, function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof kernelCos, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'the function returns `NaN` if provided `NaN` for either parameter', opts, function test( t ) { + var v = kernelCos( NaN, 0.0 ); + t.equal( isnan( v ), true, 'returns NaN' ); + + v = kernelCos( 4.0, NaN ); + t.equal( isnan( v ), true, 'returns NaN' ); + + v = kernelCos( NaN, NaN ); + t.equal( isnan( v ), true, 'returns NaN' ); + t.end(); +}); + +tape( 'the function evaluates the cosine for input values on the interval `[-pi/4, pi/4]`', opts, function test( t ) { + var values; + var out; + var x; + var i; + + values = linspace( -PI/4.0, PI/4.0, 1000 ); + for ( i = 0; i < values.length; i++ ) { + x = values[ i ]; + out = kernelCos( x, 0.0 ); + t.strictEqual( out, cos( x ), 'returns expected value' ); + } + t.end(); +}); + +tape( 'the function can be used to compute the cosine for input values outside of `[-pi/4, pi/4]` after argument reduction via `rempio2` (positive)', opts, function test( t ) { + var values; + var out; + var x; + var y; + var n; + var i; + + values = linspace( 40.0*PI/4.0, 200*PI/4.0, 1000 ); + y = new Array( 2 ); + for ( i = 0; i < values.length; i++ ) { + x = values[ i ]; + n = rempio2( x, y ); + switch ( n & 3 ) { + case 0: + out = kernelCos( y[ 0 ], y[ 1 ] ); + t.strictEqual( out, cos( x ), 'returns expected value' ); + break; + case 2: + out = -kernelCos( y[ 0 ], y[ 1 ] ); + t.strictEqual( out, cos( x ), 'returns expected value' ); + break; + default: + break; + } + } + t.end(); +}); + +tape( 'the function can be used to compute the cosine for input values outside of `[-pi/4, pi/4]` after argument reduction via `rempio2` (negative)', opts, function test( t ) { + var values; + var out; + var x; + var y; + var n; + var i; + + values = linspace( -200.0*PI/4.0, -40.0*PI/4.0, 1000 ); + y = new Array( 2 ); + for ( i = 0; i < values.length; i++ ) { + x = values[ i ]; + n = rempio2( x, y ); + switch ( n & 3 ) { + case 0: + out = kernelCos( y[ 0 ], y[ 1 ] ); + t.strictEqual( out, cos( x ), 'returns expected value' ); + break; + case 2: + out = -kernelCos( y[ 0 ], y[ 1 ] ); + t.strictEqual( out, cos( x ), 'returns expected value' ); + break; + default: + break; + } + } + t.end(); +}); From 237978f9fe53185c608996acfd85c2d12e31bc90 Mon Sep 17 00:00:00 2001 From: Karan Anand Date: Fri, 7 Mar 2025 10:33:31 -0800 Subject: [PATCH 02/10] test: add initial test fixtures --- .../kernel-cosf/test/fixtures/julia/REQUIRE | 2 + .../test/fixtures/julia/large_negative.json | 1 + .../test/fixtures/julia/large_positive.json | 1 + .../kernel-cosf/test/fixtures/julia/runner.jl | 74 +++++++++++++++++++ .../test/fixtures/julia/small_range.json | 1 + .../base/special/kernel-cosf/test/test.js | 43 ++++++----- .../special/kernel-cosf/test/test.native.js | 56 ++++++++++---- 7 files changed, 145 insertions(+), 33 deletions(-) create mode 100644 lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/REQUIRE create mode 100644 lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/large_negative.json create mode 100644 lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/large_positive.json create mode 100755 lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/runner.jl create mode 100644 lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/small_range.json diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/REQUIRE b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/REQUIRE new file mode 100644 index 000000000000..308c3be89c85 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/REQUIRE @@ -0,0 +1,2 @@ +julia 1.5 +JSON 0.21 diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/large_negative.json b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/large_negative.json new file mode 100644 index 000000000000..83d4c422f7c2 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/large_negative.json @@ -0,0 +1 @@ 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diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/large_positive.json b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/large_positive.json new file mode 100644 index 000000000000..331cf611d659 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/large_positive.json @@ -0,0 +1 @@ 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diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/runner.jl b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/runner.jl new file mode 100755 index 000000000000..f20326cf561c --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/runner.jl @@ -0,0 +1,74 @@ +#!/usr/bin/env julia +# +# @license Apache-2.0 +# +# Copyright (c) 2025 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +import JSON + +""" + gen( domain, name ) + +Generate fixture data and write to file. + +# Arguments + +* `domain`: domain +* `name::AbstractString`: output filename + +# Examples + +``` julia +julia> x = range( -1000.0, stop = 1000.0, length = 2001 ); +julia> gen( x, \"data.json\" ); +``` +""" +function gen( domain, name ) + x = Float32.( domain ); + y = cos.( x ); + + # Store data to be written to file as a collection: + data = Dict([ + ("x", x), + ("expected", y) + ]); + + # Based on the script directory, create an output filepath: + filepath = joinpath( dir, name ); + + # Write the data to the output filepath as JSON: + outfile = open( filepath, "w" ); + write( outfile, JSON.json(data) ); + write( outfile, "\n" ); + close( outfile ); +end + +# Get the filename: +file = @__FILE__; + +# Extract the directory in which this file resides: +dir = dirname( file ); + +# Values within the defined domain: +x = range( Float32(-pi/4.0), stop = Float32(pi/4.0), length = 1000 ) +gen( x, "small_range.json" ); + +# Positive values outside the defined domain: +x = range( Float32(40.0*pi/4.0), stop = Float32(200*pi/4.0), length = 1000 ) +gen( x, "large_positive.json" ); + +# Negative values outside the defined domain: +x = range( Float32(-200*pi/4.0), stop = Float32(-40*pi/4.0), length = 1000 ) +gen( x, "large_negative.json" ); diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/small_range.json b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/small_range.json new file mode 100644 index 000000000000..a5d2aa85726e --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/small_range.json @@ -0,0 +1 @@ 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diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/test.js b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/test.js index a5aca9fc3902..0da8be206c15 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/test.js +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/test.js @@ -22,13 +22,15 @@ var tape = require( 'tape' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); -var linspace = require( '@stdlib/array/base/linspace' ); var rempio2 = require( '@stdlib/math/base/special/rempio2' ); -var PI = require( '@stdlib/constants/float64/pi' ); -var kernelCos = require( '@stdlib/math/base/special/kernel-cos' ); -var float64ToFloat32 = require( '@stdlib/number/float64/base/to-float32' ); var kernelCosf = require( './../lib' ); -const exp = require('constants'); + + +// FIXTURES // + +var smallRange = require( './fixtures/julia/small_range.json' ); +var largePositive = require( './fixtures/julia/large_positive.json' ); +var largeNegative = require( './fixtures/julia/large_negative.json' ); // TESTS // @@ -41,13 +43,13 @@ tape( 'main export is a function', function test( t ) { tape( 'the function returns `NaN` if provided `NaN` for either parameter', function test( t ) { var v = kernelCosf( NaN, 0.0 ); - t.equal( isnan( v ), true, 'returns NaN' ); + t.equal( isnan( v ), true, 'returns expected value' ); v = kernelCosf( 4.0, NaN ); - t.equal( isnan( v ), true, 'returns NaN' ); + t.equal( isnan( v ), true, 'returns expected value' ); v = kernelCosf( NaN, NaN ); - t.equal( isnan( v ), true, 'returns NaN' ); + t.equal( isnan( v ), true, 'returns expected value' ); t.end(); }); @@ -58,18 +60,18 @@ tape.only( 'the function evaluates the cosine for input values on the interval ` var x; var i; - values = linspace( -PI/4.0, PI/4.0, 10 ); - for ( i = 0; i < values.length; i++ ) { + values = smallRange.x; + expected = smallRange.expected; + for ( i = 0; i < 10; i++ ) { x = values[ i ]; out = kernelCosf( x, 0.0 ); - expected = float64ToFloat32( kernelCos( float64ToFloat32( x ), 0.0 ) ); - console.log(out, expected); - t.strictEqual( out, expected, 'returns expected value' ); + t.strictEqual( out, expected[ i ], 'returns expected value' ); } t.end(); }); tape( 'the function can be used to compute the cosine for input values outside of `[-pi/4, pi/4]` after argument reduction via `rempio2` (positive)', function test( t ) { + var expected; var values; var out; var x; @@ -77,7 +79,8 @@ tape( 'the function can be used to compute the cosine for input values outside o var n; var i; - values = linspace( 40.0*PI/4.0, 200*PI/4.0, 1000 ); + values = largePositive.x; + expected = largePositive.expected; y = new Array( 2 ); for ( i = 0; i < values.length; i++ ) { x = values[ i ]; @@ -85,11 +88,11 @@ tape( 'the function can be used to compute the cosine for input values outside o switch ( n & 3 ) { case 0: out = kernelCosf( y[ 0 ], y[ 1 ] ); - t.strictEqual( out, cos( x ), 'returns expected value' ); + t.strictEqual( out, expected[ i ], 'returns expected value' ); break; case 2: out = -kernelCosf( y[ 0 ], y[ 1 ] ); - t.strictEqual( out, cos( x ), 'returns expected value' ); + t.strictEqual( out, expected[ i ], 'returns expected value' ); break; default: break; @@ -99,6 +102,7 @@ tape( 'the function can be used to compute the cosine for input values outside o }); tape( 'the function can be used to compute the cosine for input values outside of `[-pi/4, pi/4]` after argument reduction via `rempio2` (negative)', function test( t ) { + var expected; var values; var out; var x; @@ -106,7 +110,8 @@ tape( 'the function can be used to compute the cosine for input values outside o var n; var i; - values = linspace( -200.0*PI/4.0, -40.0*PI/4.0, 1000 ); + values = largeNegative.x; + expected = largeNegative.expected; y = new Array( 2 ); for ( i = 0; i < values.length; i++ ) { x = values[ i ]; @@ -114,11 +119,11 @@ tape( 'the function can be used to compute the cosine for input values outside o switch ( n & 3 ) { case 0: out = kernelCosf( y[ 0 ], y[ 1 ] ); - t.strictEqual( out, cos( x ), 'returns expected value' ); + t.strictEqual( out, expected[ i ], 'returns expected value' ); break; case 2: out = -kernelCosf( y[ 0 ], y[ 1 ] ); - t.strictEqual( out, cos( x ), 'returns expected value' ); + t.strictEqual( out, expected[ i ], 'returns expected value' ); break; default: break; diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/test.native.js b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/test.native.js index 398d72f0a874..c20b8365166a 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/test.native.js +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/test.native.js @@ -23,10 +23,9 @@ var resolve = require( 'path' ).resolve; var tape = require( 'tape' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); -var linspace = require( '@stdlib/array/base/linspace' ); +var abs = require( '@stdlib/math/base/special/abs' ); +var EPS = require( '@stdlib/constants/float64/eps' ); var rempio2 = require( '@stdlib/math/base/special/rempio2' ); -var PI = require( '@stdlib/constants/float64/pi' ); -var cos = require( '@stdlib/math/base/special/cos' ); var tryRequire = require( '@stdlib/utils/try-require' ); @@ -38,6 +37,13 @@ var opts = { }; +// FIXTURES // + +var smallRange = require( './fixtures/julia/small_range.json' ); +var largePositive = require( './fixtures/julia/large_positive.json' ); +var largeNegative = require( './fixtures/julia/large_negative.json' ); + + // TESTS // tape( 'main export is a function', opts, function test( t ) { @@ -48,40 +54,46 @@ tape( 'main export is a function', opts, function test( t ) { tape( 'the function returns `NaN` if provided `NaN` for either parameter', opts, function test( t ) { var v = kernelCos( NaN, 0.0 ); - t.equal( isnan( v ), true, 'returns NaN' ); + t.equal( isnan( v ), true, 'returns expected value' ); v = kernelCos( 4.0, NaN ); - t.equal( isnan( v ), true, 'returns NaN' ); + t.equal( isnan( v ), true, 'returns expected value' ); v = kernelCos( NaN, NaN ); - t.equal( isnan( v ), true, 'returns NaN' ); + t.equal( isnan( v ), true, 'returns expected value' ); t.end(); }); tape( 'the function evaluates the cosine for input values on the interval `[-pi/4, pi/4]`', opts, function test( t ) { + var expected; var values; var out; var x; var i; - values = linspace( -PI/4.0, PI/4.0, 1000 ); + values = smallRange.x; + expected = smallRange.expected; for ( i = 0; i < values.length; i++ ) { x = values[ i ]; out = kernelCos( x, 0.0 ); - t.strictEqual( out, cos( x ), 'returns expected value' ); + t.strictEqual( out, expected[ i ], 'returns expected value' ); } t.end(); }); tape( 'the function can be used to compute the cosine for input values outside of `[-pi/4, pi/4]` after argument reduction via `rempio2` (positive)', opts, function test( t ) { + var expected; var values; + var delta; + var tol; var out; var x; var y; var n; var i; - values = linspace( 40.0*PI/4.0, 200*PI/4.0, 1000 ); + values = largePositive.x; + expected = largePositive.expected; y = new Array( 2 ); for ( i = 0; i < values.length; i++ ) { x = values[ i ]; @@ -89,11 +101,17 @@ tape( 'the function can be used to compute the cosine for input values outside o switch ( n & 3 ) { case 0: out = kernelCos( y[ 0 ], y[ 1 ] ); - t.strictEqual( out, cos( x ), 'returns expected value' ); + t.strictEqual( out, expected[ i ], 'returns expected value' ); break; case 2: out = -kernelCos( y[ 0 ], y[ 1 ] ); - t.strictEqual( out, cos( x ), 'returns expected value' ); + if ( out === expected[ i ] ) { + t.strictEqual( out, expected[ i ], 'returns expected value' ); + } else { + delta = abs( out - expected[ i ] ); + tol = EPS * abs( expected[ i ] ); + t.ok( delta <= tol, 'within tolerance. x: '+x+'. out: '+out+'. E: '+expected[i]+'. tol: '+tol+'. Δ: '+delta+'.' ); + } break; default: break; @@ -103,14 +121,18 @@ tape( 'the function can be used to compute the cosine for input values outside o }); tape( 'the function can be used to compute the cosine for input values outside of `[-pi/4, pi/4]` after argument reduction via `rempio2` (negative)', opts, function test( t ) { + var expected; var values; + var delta; + var tol; var out; var x; var y; var n; var i; - values = linspace( -200.0*PI/4.0, -40.0*PI/4.0, 1000 ); + values = largeNegative.x; + expected = largeNegative.expected; y = new Array( 2 ); for ( i = 0; i < values.length; i++ ) { x = values[ i ]; @@ -118,11 +140,17 @@ tape( 'the function can be used to compute the cosine for input values outside o switch ( n & 3 ) { case 0: out = kernelCos( y[ 0 ], y[ 1 ] ); - t.strictEqual( out, cos( x ), 'returns expected value' ); + t.strictEqual( out, expected[ i ], 'returns expected value' ); break; case 2: out = -kernelCos( y[ 0 ], y[ 1 ] ); - t.strictEqual( out, cos( x ), 'returns expected value' ); + if ( out === expected[ i ] ) { + t.strictEqual( out, expected[ i ], 'returns expected value' ); + } else { + delta = abs( out - expected[ i ] ); + tol = EPS * abs( expected[ i ] ); + t.ok( delta <= tol, 'within tolerance. x: '+x+'. out: '+out+'. E: '+expected[i]+'. tol: '+tol+'. Δ: '+delta+'.' ); + } break; default: break; From d051592675a9eb7e4f7eca6068a3ea86d29a17d5 Mon Sep 17 00:00:00 2001 From: Karan Anand Date: Fri, 7 Mar 2025 19:50:04 -0800 Subject: [PATCH 03/10] feat: add JS implementation --- type: pre_commit_static_analysis_report description: Results of running static analysis checks when committing changes. report: - task: lint_filenames status: passed - task: lint_editorconfig status: passed - task: lint_markdown status: na - task: lint_package_json status: na - task: lint_repl_help status: na - task: lint_javascript_src status: passed - task: lint_javascript_cli status: na - task: lint_javascript_examples status: na - task: lint_javascript_tests status: na - task: lint_javascript_benchmarks status: na - task: lint_python status: na - task: lint_r status: na - task: lint_c_src status: na - task: lint_c_examples status: na - task: lint_c_benchmarks status: na - task: lint_c_tests_fixtures status: na - task: lint_shell status: na - task: lint_typescript_declarations status: na - task: lint_typescript_tests status: na - task: lint_license_headers status: passed --- --- .../base/special/kernel-cosf/lib/index.js | 10 +- .../math/base/special/kernel-cosf/lib/main.js | 30 +++-- .../special/kernel-cosf/lib/polyval_c23.js | 47 +++++++ .../special/kernel-cosf/scripts/evalpoly.js | 118 ++++++++++++++++++ 4 files changed, 187 insertions(+), 18 deletions(-) create mode 100644 lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/polyval_c23.js create mode 100644 lib/node_modules/@stdlib/math/base/special/kernel-cosf/scripts/evalpoly.js diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/index.js b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/index.js index b8d6346349ed..b65f6c8d371d 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/index.js +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/index.js @@ -19,23 +19,23 @@ 'use strict'; /** -* Compute the cosine of a number on `[-π/4, π/4]`. +* Compute the cosine of a single-precision floating-point number on `[-π/4, π/4]`. * * @module @stdlib/math/base/special/kernel-cosf * * @example * var kernelCosf = require( '@stdlib/math/base/special/kernel-cosf' ); * -* var v = kernelCosf( 0.0, 0.0 ); +* var v = kernelCosf( 0.0 ); * // returns ~1.0 * -* v = kernelCosf( 3.141592653589793/6.0, 0.0 ); +* v = kernelCosf( 3.141592653589793/6.0 ); * // returns ~0.866 * -* v = kernelCosf( 0.785, -1.144e-17 ); +* v = kernelCosf( 0.785 ); * // returns ~0.707 * -* v = kernelCosf( NaN, 0.0 ); +* v = kernelCosf( NaN ); * // returns NaN */ diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/main.js b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/main.js index c1ba0d47640e..504a91974e11 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/main.js +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/main.js @@ -32,51 +32,55 @@ 'use strict'; +// MODULES // + +var float64ToFloat32 = require( '@stdlib/number/float64/base/to-float32' ); +var polyval23 = require( './polyval_c23.js' ); + + // VARIABLES // -var C0 = -0.499999997251031003120 // -0x1ffffffd0c5e81.0p-54 -var C1 = 0.0416666233237390631894 // 0x155553e1053a42.0p-57 -var C2 = -0.00138867637746099294692 // -0x16c087e80f1e27.0p-62 -var C3 = 0.0000243904487962774090654 // 0x199342e0ee5069.0p-68 +var C0 = -0.499999997251031003120; // -0x1ffffffd0c5e81.0p-54 +var C1 = 0.0416666233237390631894; // 0x155553e1053a42.0p-57 // MAIN // /** -* Computes the cosine on \\( \[-\pi/4, \pi/4] \\), where \\( \pi/4 \approx 0.785398164 \\). +* Computes the cosine of a single-precision floating-point number on \\( \[-\pi/4, \pi/4] \\), where \\( \pi/4 \approx 0.785398164 \\). * * ## Notes * -* - \\( | \cos(x) - c(x) | \\) < 2^{-34.1} \approx \\( \[ -5.37 \times 10^{-11}, 5.295 \times 10^{-11} ] \\). +* - \\( | \cos(x) - c(x) | < 2^{-34.1} \\), where \\( 2^{-34.1} \approx \[ -5.37 \times 10^{-11}, 5.295 \times 10^{-11} ] \\). * * @param {number} x - input value (in radians, assumed to be bounded by ~pi/4 in magnitude) * @returns {number} cosine * * @example -* var v = kernelCosf( 0.0, 0.0 ); +* var v = kernelCosf( 0.0 ); * // returns ~1.0 * * @example -* var v = kernelCosf( 3.141592653589793/6.0, 0.0 ); +* var v = kernelCosf( 3.141592653589793/6.0 ); * // returns ~0.866 * * @example -* var v = kernelCosf( 0.785, -1.144e-17 ); +* var v = kernelCosf( 0.785 ); * // returns ~0.707 * * @example -* var v = kernelCosf( NaN, 0.0 ); +* var v = kernelCosf( NaN ); * // returns NaN */ -function kernelCosf( x, y ) { +function kernelCosf( x ) { var r; var w; var z; z = x * x; w = z * z; - r = C2 + ( z*C3 ); - return ( (( 1.0+z*C0 ) + w*C1) + (w*z)*r ); + r = polyval23( z ); + return float64ToFloat32( (( 1.0+(z*C0) ) + (w*C1)) + ((w*z)*r) ); } diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/polyval_c23.js b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/polyval_c23.js new file mode 100644 index 000000000000..9940d86253d6 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/polyval_c23.js @@ -0,0 +1,47 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2025 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +/* This is a generated file. Do not edit directly. */ +'use strict'; + +// MAIN // + +/** +* Evaluates a polynomial. +* +* ## Notes +* +* - The implementation uses [Horner's rule][horners-method] for efficient computation. +* +* [horners-method]: https://en.wikipedia.org/wiki/Horner%27s_method +* +* @private +* @param {number} x - value at which to evaluate the polynomial +* @returns {number} evaluated polynomial +*/ +function evalpoly( x ) { + if ( x === 0.0 ) { + return -0.001388676377460993; + } + return -0.001388676377460993 + (x * 0.00002439044879627741); +} + + +// EXPORTS // + +module.exports = evalpoly; diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/scripts/evalpoly.js b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/scripts/evalpoly.js new file mode 100644 index 000000000000..25a4235aeaa9 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/scripts/evalpoly.js @@ -0,0 +1,118 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2018 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +/* +* This script compiles modules for evaluating polynomial functions. If any polynomial coefficients change, this script should be rerun to update the compiled files. +*/ +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var readFileSync = require( '@stdlib/fs/read-file' ).sync; +var writeFileSync = require( '@stdlib/fs/write-file' ).sync; +var currentYear = require( '@stdlib/time/current-year' ); +var substringBefore = require( '@stdlib/string/substring-before' ); +var substringAfter = require( '@stdlib/string/substring-after' ); +var format = require( '@stdlib/string/format' ); +var licenseHeader = require( '@stdlib/_tools/licenses/header' ); +var compile = require( '@stdlib/math/base/tools/evalpoly-compile' ); +var compileC = require( '@stdlib/math/base/tools/evalpoly-compile-c' ); + + +// VARIABLES // + +// Polynomial coefficients ordered in ascending degree... +var C23 = [ + -0.00138867637746099294692, // -0x16c087e80f1e27.0p-62 + 0.0000243904487962774090654 // 0x199342e0ee5069.0p-68 +]; + +// Header to add to output files: +var header = licenseHeader( 'Apache-2.0', 'js', { + 'year': currentYear(), + 'copyright': 'The Stdlib Authors' +}); +header += '\n/* This is a generated file. Do not edit directly. */\n'; + + +// FUNCTIONS // + +/** +* Inserts a compiled function into file content. +* +* @private +* @param {string} text - source content +* @param {string} id - function identifier +* @param {string} str - function string +* @returns {string} updated content +*/ +function insert( text, id, str ) { + var before; + var after; + var begin; + var end; + + begin = '// BEGIN: '+id; + end = '// END: '+id; + + before = substringBefore( text, begin ); + after = substringAfter( text, end ); + + return format( '%s// BEGIN: %s\n\n%s\n%s%s', before, id, str, end, after ); +} + + +// MAIN // + +/** +* Main execution sequence. +* +* @private +*/ +function main() { + var fpath; + var copts; + var opts; + var file; + var str; + + opts = { + 'encoding': 'utf8' + }; + + fpath = resolve( __dirname, '..', 'lib', 'polyval_c23.js' ); + str = header + compile( C23 ); + writeFileSync( fpath, str, opts ); + + copts = { + 'dtype': 'double', + 'name': '' + }; + + fpath = resolve( __dirname, '..', 'src', 'main.c' ); + file = readFileSync( fpath, opts ); + + copts.name = 'polyval_c23'; + str = compileC( C23, copts ); + file = insert( file, copts.name, str ); + + writeFileSync( fpath, file, opts ); +} + +main(); From 8416f531542129e59ae89e081d35a3c85fead453 Mon Sep 17 00:00:00 2001 From: Karan Anand Date: Fri, 7 Mar 2025 19:50:50 -0800 Subject: [PATCH 04/10] test: add tests and its fixtures --- type: pre_commit_static_analysis_report description: Results of running static analysis checks when committing changes. report: - task: lint_filenames status: passed - task: lint_editorconfig status: passed - task: lint_markdown status: na - task: lint_package_json status: na - task: lint_repl_help status: na - task: lint_javascript_src status: na - task: lint_javascript_cli status: na - task: lint_javascript_examples status: na - task: lint_javascript_tests status: passed - task: lint_javascript_benchmarks status: na - task: lint_python status: na - task: lint_r status: na - task: lint_c_src status: na - task: lint_c_examples status: na - task: lint_c_benchmarks status: na - task: lint_c_tests_fixtures status: na - task: lint_shell status: na - task: lint_typescript_declarations status: na - task: lint_typescript_tests status: na - task: lint_license_headers status: passed --- --- .../test/fixtures/julia/large_negative.json | 1 - .../test/fixtures/julia/large_positive.json | 1 - .../kernel-cosf/test/fixtures/julia/runner.jl | 10 +- .../base/special/kernel-cosf/test/test.js | 94 +++----------- .../special/kernel-cosf/test/test.native.js | 116 +++--------------- 5 files changed, 39 insertions(+), 183 deletions(-) delete mode 100644 lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/large_negative.json delete mode 100644 lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/large_positive.json diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/large_negative.json b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/large_negative.json deleted file mode 100644 index 83d4c422f7c2..000000000000 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/large_negative.json +++ /dev/null @@ -1 +0,0 @@ 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diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/large_positive.json b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/large_positive.json deleted file mode 100644 index 331cf611d659..000000000000 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/large_positive.json +++ /dev/null @@ -1 +0,0 @@ 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diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/runner.jl b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/runner.jl index f20326cf561c..297761a25557 100755 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/runner.jl +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/runner.jl @@ -36,7 +36,7 @@ julia> gen( x, \"data.json\" ); ``` """ function gen( domain, name ) - x = Float32.( domain ); + x = collect( domain ); y = cos.( x ); # Store data to be written to file as a collection: @@ -64,11 +64,3 @@ dir = dirname( file ); # Values within the defined domain: x = range( Float32(-pi/4.0), stop = Float32(pi/4.0), length = 1000 ) gen( x, "small_range.json" ); - -# Positive values outside the defined domain: -x = range( Float32(40.0*pi/4.0), stop = Float32(200*pi/4.0), length = 1000 ) -gen( x, "large_positive.json" ); - -# Negative values outside the defined domain: -x = range( Float32(-200*pi/4.0), stop = Float32(-40*pi/4.0), length = 1000 ) -gen( x, "large_negative.json" ); diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/test.js b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/test.js index 0da8be206c15..d6bf39c22925 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/test.js +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/test.js @@ -22,15 +22,15 @@ var tape = require( 'tape' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); -var rempio2 = require( '@stdlib/math/base/special/rempio2' ); +var float64ToFloat32 = require( '@stdlib/number/float64/base/to-float32' ); +var EPS = require( '@stdlib/constants/float32/eps' ); +var absf = require( '@stdlib/math/base/special/absf' ); var kernelCosf = require( './../lib' ); // FIXTURES // var smallRange = require( './fixtures/julia/small_range.json' ); -var largePositive = require( './fixtures/julia/large_positive.json' ); -var largeNegative = require( './fixtures/julia/large_negative.json' ); // TESTS // @@ -41,92 +41,34 @@ tape( 'main export is a function', function test( t ) { t.end(); }); -tape( 'the function returns `NaN` if provided `NaN` for either parameter', function test( t ) { - var v = kernelCosf( NaN, 0.0 ); - t.equal( isnan( v ), true, 'returns expected value' ); - - v = kernelCosf( 4.0, NaN ); - t.equal( isnan( v ), true, 'returns expected value' ); - - v = kernelCosf( NaN, NaN ); +tape( 'the function returns `NaN` if provided `NaN`', function test( t ) { + var v = kernelCosf( NaN ); t.equal( isnan( v ), true, 'returns expected value' ); t.end(); }); -tape.only( 'the function evaluates the cosine for input values on the interval `[-pi/4, pi/4]`', function test( t ) { +tape( 'the function evaluates the cosine for input values on the interval `[-pi/4, pi/4]`', function test( t ) { var expected; var values; - var out; + var delta; + var tol; + var y; + var e; var x; var i; values = smallRange.x; expected = smallRange.expected; - for ( i = 0; i < 10; i++ ) { - x = values[ i ]; - out = kernelCosf( x, 0.0 ); - t.strictEqual( out, expected[ i ], 'returns expected value' ); - } - t.end(); -}); - -tape( 'the function can be used to compute the cosine for input values outside of `[-pi/4, pi/4]` after argument reduction via `rempio2` (positive)', function test( t ) { - var expected; - var values; - var out; - var x; - var y; - var n; - var i; - - values = largePositive.x; - expected = largePositive.expected; - y = new Array( 2 ); - for ( i = 0; i < values.length; i++ ) { - x = values[ i ]; - n = rempio2( x, y ); - switch ( n & 3 ) { - case 0: - out = kernelCosf( y[ 0 ], y[ 1 ] ); - t.strictEqual( out, expected[ i ], 'returns expected value' ); - break; - case 2: - out = -kernelCosf( y[ 0 ], y[ 1 ] ); - t.strictEqual( out, expected[ i ], 'returns expected value' ); - break; - default: - break; - } - } - t.end(); -}); - -tape( 'the function can be used to compute the cosine for input values outside of `[-pi/4, pi/4]` after argument reduction via `rempio2` (negative)', function test( t ) { - var expected; - var values; - var out; - var x; - var y; - var n; - var i; - - values = largeNegative.x; - expected = largeNegative.expected; - y = new Array( 2 ); for ( i = 0; i < values.length; i++ ) { x = values[ i ]; - n = rempio2( x, y ); - switch ( n & 3 ) { - case 0: - out = kernelCosf( y[ 0 ], y[ 1 ] ); - t.strictEqual( out, expected[ i ], 'returns expected value' ); - break; - case 2: - out = -kernelCosf( y[ 0 ], y[ 1 ] ); - t.strictEqual( out, expected[ i ], 'returns expected value' ); - break; - default: - break; + y = kernelCosf( x ); + e = float64ToFloat32( expected[ i ] ); + if ( y === e ) { + t.equal( y, e, 'x: '+x+'. E: '+e ); + } else { + delta = absf( y - e ); + tol = 1.0 * EPS * absf( e ); + t.ok( delta <= tol, 'within tolerance. x: '+x+'. y: '+y+'. E: '+e+'. tol: '+tol+'. Δ: '+delta+'.' ); } } t.end(); diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/test.native.js b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/test.native.js index c20b8365166a..49f1b2287fa6 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/test.native.js +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/test.native.js @@ -1,7 +1,7 @@ /** * @license Apache-2.0 * -* Copyright (c) 2022 The Stdlib Authors. +* Copyright (c) 2025 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -23,137 +23,61 @@ var resolve = require( 'path' ).resolve; var tape = require( 'tape' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); -var abs = require( '@stdlib/math/base/special/abs' ); -var EPS = require( '@stdlib/constants/float64/eps' ); -var rempio2 = require( '@stdlib/math/base/special/rempio2' ); +var float64ToFloat32 = require( '@stdlib/number/float64/base/to-float32' ); +var absf = require( '@stdlib/math/base/special/absf' ); +var EPS = require( '@stdlib/constants/float32/eps' ); var tryRequire = require( '@stdlib/utils/try-require' ); // VARIABLES // -var kernelCos = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var kernelCosf = tryRequire( resolve( __dirname, './../lib/native.js' ) ); var opts = { - 'skip': ( kernelCos instanceof Error ) + 'skip': ( kernelCosf instanceof Error ) }; // FIXTURES // var smallRange = require( './fixtures/julia/small_range.json' ); -var largePositive = require( './fixtures/julia/large_positive.json' ); -var largeNegative = require( './fixtures/julia/large_negative.json' ); // TESTS // tape( 'main export is a function', opts, function test( t ) { t.ok( true, __filename ); - t.strictEqual( typeof kernelCos, 'function', 'main export is a function' ); + t.strictEqual( typeof kernelCosf, 'function', 'main export is a function' ); t.end(); }); -tape( 'the function returns `NaN` if provided `NaN` for either parameter', opts, function test( t ) { - var v = kernelCos( NaN, 0.0 ); - t.equal( isnan( v ), true, 'returns expected value' ); - - v = kernelCos( 4.0, NaN ); - t.equal( isnan( v ), true, 'returns expected value' ); - - v = kernelCos( NaN, NaN ); +tape( 'the function returns `NaN` if provided `NaN`', opts, function test( t ) { + var v = kernelCosf( NaN ); t.equal( isnan( v ), true, 'returns expected value' ); t.end(); }); tape( 'the function evaluates the cosine for input values on the interval `[-pi/4, pi/4]`', opts, function test( t ) { - var expected; - var values; - var out; - var x; - var i; - - values = smallRange.x; - expected = smallRange.expected; - for ( i = 0; i < values.length; i++ ) { - x = values[ i ]; - out = kernelCos( x, 0.0 ); - t.strictEqual( out, expected[ i ], 'returns expected value' ); - } - t.end(); -}); - -tape( 'the function can be used to compute the cosine for input values outside of `[-pi/4, pi/4]` after argument reduction via `rempio2` (positive)', opts, function test( t ) { var expected; var values; var delta; var tol; - var out; - var x; var y; - var n; - var i; - - values = largePositive.x; - expected = largePositive.expected; - y = new Array( 2 ); - for ( i = 0; i < values.length; i++ ) { - x = values[ i ]; - n = rempio2( x, y ); - switch ( n & 3 ) { - case 0: - out = kernelCos( y[ 0 ], y[ 1 ] ); - t.strictEqual( out, expected[ i ], 'returns expected value' ); - break; - case 2: - out = -kernelCos( y[ 0 ], y[ 1 ] ); - if ( out === expected[ i ] ) { - t.strictEqual( out, expected[ i ], 'returns expected value' ); - } else { - delta = abs( out - expected[ i ] ); - tol = EPS * abs( expected[ i ] ); - t.ok( delta <= tol, 'within tolerance. x: '+x+'. out: '+out+'. E: '+expected[i]+'. tol: '+tol+'. Δ: '+delta+'.' ); - } - break; - default: - break; - } - } - t.end(); -}); - -tape( 'the function can be used to compute the cosine for input values outside of `[-pi/4, pi/4]` after argument reduction via `rempio2` (negative)', opts, function test( t ) { - var expected; - var values; - var delta; - var tol; - var out; + var e; var x; - var y; - var n; var i; - values = largeNegative.x; - expected = largeNegative.expected; - y = new Array( 2 ); + values = smallRange.x; + expected = smallRange.expected; for ( i = 0; i < values.length; i++ ) { x = values[ i ]; - n = rempio2( x, y ); - switch ( n & 3 ) { - case 0: - out = kernelCos( y[ 0 ], y[ 1 ] ); - t.strictEqual( out, expected[ i ], 'returns expected value' ); - break; - case 2: - out = -kernelCos( y[ 0 ], y[ 1 ] ); - if ( out === expected[ i ] ) { - t.strictEqual( out, expected[ i ], 'returns expected value' ); - } else { - delta = abs( out - expected[ i ] ); - tol = EPS * abs( expected[ i ] ); - t.ok( delta <= tol, 'within tolerance. x: '+x+'. out: '+out+'. E: '+expected[i]+'. tol: '+tol+'. Δ: '+delta+'.' ); - } - break; - default: - break; + y = kernelCosf( x ); + e = float64ToFloat32( expected[ i ] ); + if ( y === e ) { + t.equal( y, e, 'x: '+x+'. E: '+e ); + } else { + delta = absf( y - e ); + tol = 1.0 * EPS * absf( e ); + t.ok( delta <= tol, 'within tolerance. x: '+x+'. y: '+y+'. E: '+e+'. tol: '+tol+'. Δ: '+delta+'.' ); } } t.end(); From 04bc39b031f619de88cbab77a863a32a23b88f42 Mon Sep 17 00:00:00 2001 From: Karan Anand Date: Fri, 7 Mar 2025 20:33:49 -0800 Subject: [PATCH 05/10] feat: add benchmarks, examples, docs --- type: pre_commit_static_analysis_report description: Results of running static analysis checks when committing changes. report: - task: lint_filenames status: passed - task: lint_editorconfig status: passed - task: lint_markdown status: passed - task: lint_package_json status: passed - task: lint_repl_help status: na - task: lint_javascript_src status: passed - task: lint_javascript_cli status: na - task: lint_javascript_examples status: passed - task: lint_javascript_tests status: na - task: lint_javascript_benchmarks status: passed - task: lint_python status: na - task: lint_r status: na - task: lint_c_src status: passed - task: lint_c_examples status: passed - task: lint_c_benchmarks status: passed - task: lint_c_tests_fixtures status: na - task: lint_shell status: na - task: lint_typescript_declarations status: na - task: lint_typescript_tests status: na - task: lint_license_headers status: passed --- --- .../math/base/special/kernel-cosf/README.md | 98 ++++--------- .../kernel-cosf/benchmark/benchmark.js | 11 +- .../kernel-cosf/benchmark/benchmark.native.js | 13 +- .../benchmark/c/native/benchmark.c | 17 ++- .../img/equation_double_double_inequality.svg | 37 ----- .../special/kernel-cosf/examples/c/example.c | 10 +- .../special/kernel-cosf/examples/index.js | 4 +- .../special/{kernel_cos.h => kernel_cosf.h} | 10 +- .../base/special/kernel-cosf/lib/native.js | 14 +- .../base/special/kernel-cosf/manifest.json | 2 +- .../base/special/kernel-cosf/package.json | 5 +- .../math/base/special/kernel-cosf/src/addon.c | 6 +- .../math/base/special/kernel-cosf/src/main.c | 133 +++--------------- 13 files changed, 91 insertions(+), 269 deletions(-) delete mode 100644 lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/img/equation_double_double_inequality.svg rename lib/node_modules/@stdlib/math/base/special/kernel-cosf/include/stdlib/math/base/special/{kernel_cos.h => kernel_cosf.h} (80%) diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/README.md b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/README.md index 29def6884f10..1451d0f4f742 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/README.md +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/README.md @@ -18,33 +18,33 @@ limitations under the License. --> -# kernelCos +# kernelCosf -> Compute the [cosine][cosine] of a double-precision floating-point number on `[-π/4, π/4]`. +> Compute the [cosine][cosine] of a single-precision floating-point number on `[-π/4, π/4]`.
## Usage ```javascript -var kernelCos = require( '@stdlib/math/base/special/kernel-cos' ); +var kernelCosf = require( '@stdlib/math/base/special/kernel-cosf' ); ``` -#### kernelCos( x, y ) +#### kernelCosf( x ) -Computes the [cosine][cosine] of a double-precision floating-point number on `[-π/4, π/4]`. +Computes the [cosine][cosine] of a single-precision floating-point number on `[-π/4, π/4]`. ```javascript -var v = kernelCos( 0.0, 0.0 ); +var v = kernelCosf( 0.0 ); // returns ~1.0 -v = kernelCos( 3.141592653589793/6.0, 0.0 ); +v = kernelCosf( 3.141592653589793/6.0 ); // returns ~0.866 -v = kernelCos( 0.785, -1.144e-17 ); +v = kernelCosf( 0.785 ); // returns ~0.707 -v = kernelCos( NaN, 0.0 ); +v = kernelCosf( NaN ); // returns NaN ``` @@ -52,29 +52,6 @@ v = kernelCos( NaN, 0.0 ); -
- -## Notes - -- For increased accuracy, the number for which the [cosine][cosine] should be evaluated can be supplied as a [double-double number][double-double-arithmetic] (i.e., a non-evaluated sum of two [double-precision floating-point numbers][ieee754] `x` and `y`). - -- As components of a [double-double number][double-double-arithmetic], the two [double-precision floating-point numbers][ieee754] `x` and `y` must satisfy - - - -
- Inequality for the two components of a double-double number. -
-
- - - - where `ulp` stands for [units in the last place][ulp]. - -
- - -
## Examples @@ -84,13 +61,13 @@ v = kernelCos( NaN, 0.0 ); ```javascript var linspace = require( '@stdlib/array/base/linspace' ); var PI = require( '@stdlib/constants/float64/pi' ); -var kernelCos = require( '@stdlib/math/base/special/kernel-cos' ); +var kernelCosf = require( '@stdlib/math/base/special/kernel-cosf' ); var x = linspace( -PI/4.0, PI/4.0, 100 ); var i; for ( i = 0; i < x.length; i++ ) { - console.log( 'kernelCos(%d) = %d', x[ i ], kernelCos( x[ i ], 0.0 ) ); + console.log( 'kernelCosf(%d) = %d', x[ i ], kernelCosf( x[ i ] ) ); } ``` @@ -121,28 +98,27 @@ for ( i = 0; i < x.length; i++ ) { ### Usage ```c -#include "stdlib/math/base/special/kernel_cos.h" +#include "stdlib/math/base/special/kernel_cosf.h" ``` -#### stdlib_base_kernel_cos( x, y ) +#### stdlib_base_kernel_cosf( x ) -Computes the [cosine][cosine] of a double-precision floating-point number on `[-π/4, π/4]`. +Computes the [cosine][cosine] of a single-precision floating-point number on `[-π/4, π/4]`. ```c -var v = stdlib_base_kernel_cos( 0.0, 0.0 ); -// returns ~0.0 +float v = stdlib_base_kernel_cosf( 0.0f ); +// returns ~0.0f -v = stdlib_base_kernel_cos( 3.141592653589793/6.0, 0.0 ); -// returns ~0.866 +v = stdlib_base_kernel_cosf( 3.141592653589793/6.0f ); +// returns ~0.866f ``` The function accepts the following arguments: -- **x**: `[in] double` input value (in radians, assumed to be bounded by `~pi/4` in magnitude). -- **y**: `[in] double` tail of `x`. +- **x**: `[in] float` input value (in radians, assumed to be bounded by `~pi/4` in magnitude). ```c -double stdlib_base_kernel_cos( const double x, const double y ); +float stdlib_base_kernel_cosf( const float x ); ```
@@ -153,10 +129,6 @@ double stdlib_base_kernel_cos( const double x, const double y );
-### Notes - -- For increased accuracy, the number for which the [cosine][cosine] should be evaluated can be supplied as a [double-double number][double-double-arithmetic] (i.e., a non-evaluated sum of two [double-precision floating-point numbers][ieee754] `x` and `y`). -
@@ -168,17 +140,17 @@ double stdlib_base_kernel_cos( const double x, const double y ); ### Examples ```c -#include "stdlib/math/base/special/kernel_cos.h" +#include "stdlib/math/base/special/kernel_cosf.h" #include int main( void ) { - const double x[] = { -0.7853981633974483, -0.6108652381980153, -0.4363323129985824, -0.26179938779914946, -0.08726646259971649, 0.08726646259971649, 0.26179938779914935, 0.43633231299858233, 0.6108652381980153, 0.7853981633974483 }; + const float x[] = { -0.7853981633974483f, -0.6108652381980153f, -0.4363323129985824f, -0.26179938779914946f, -0.08726646259971649f, 0.08726646259971649f, 0.26179938779914935f, 0.43633231299858233f, 0.6108652381980153f, 0.7853981633974483f }; - double out; + float v; int i; for ( i = 0; i < 10; i++ ) { - out = stdlib_base_kernel_cos( x[ i ], 0.0 ); - printf ( "x[ i ]: %lf, y: %lf, out: %lf\n", x[ i ], 0.0, out ); + v = stdlib_base_kernel_cosf( x[ i ] ); + printf( "kernelCosf(%f) = %f\n", x[ i ], v ); } } ``` @@ -195,14 +167,6 @@ int main( void ) {
-* * * - -## See Also - -- [`@stdlib/math/base/special/cos`][@stdlib/math/base/special/cos]: compute the cosine of a number. -- [`@stdlib/math/base/special/kernel-sin`][@stdlib/math/base/special/kernel-sin]: compute the sine of a double-precision floating-point number on \[-π/4, π/4]. -- [`@stdlib/math/base/special/kernel-tan`][@stdlib/math/base/special/kernel-tan]: compute the tangent of a double-precision floating-point number on \[-π/4, π/4]. -
@@ -213,20 +177,8 @@ int main( void ) { [cosine]: https://en.wikipedia.org/wiki/Cosine -[double-double-arithmetic]: https://en.wikipedia.org/wiki/Quadruple-precision_floating-point_format#Double-double_arithmetic - -[ieee754]: https://en.wikipedia.org/wiki/IEEE_floating_point - -[ulp]: https://en.wikipedia.org/wiki/Unit_in_the_last_place - -[@stdlib/math/base/special/cos]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/math/base/special/cos - -[@stdlib/math/base/special/kernel-sin]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/math/base/special/kernel-sin - -[@stdlib/math/base/special/kernel-tan]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/math/base/special/kernel-tan -
diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/benchmark.js b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/benchmark.js index 5641de4b509b..f5f27f25e513 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/benchmark.js +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/benchmark.js @@ -21,11 +21,11 @@ // MODULES // var bench = require( '@stdlib/bench' ); -var randu = require( '@stdlib/random/base/randu' ); +var uniform = require( '@stdlib/random/array/uniform' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); var PI = require( '@stdlib/constants/float64/pi' ); var pkg = require( './../package.json' ).name; -var kernelCos = require( './../lib' ); +var kernelCosf = require( './../lib' ); // MAIN // @@ -35,10 +35,13 @@ bench( pkg, function benchmark( b ) { var y; var i; + x = uniform( 100, -PI/4.0, PI/4.0, { + 'dtype': 'float32' + }); + b.tic(); for ( i = 0; i < b.iterations; i++ ) { - x = ( randu() * PI / 2 ) - ( PI / 4.0 ); - y = kernelCos( x, 0.0 ); + y = kernelCosf( x[ i % x.length ] ); if ( isnan( y ) ) { b.fail( 'should not return NaN' ); } diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/benchmark.native.js index b1b9e3dee4bc..14a7cedb63ec 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/benchmark.native.js +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/benchmark.native.js @@ -22,7 +22,7 @@ var resolve = require( 'path' ).resolve; var bench = require( '@stdlib/bench' ); -var randu = require( '@stdlib/random/base/randu' ); +var uniform = require( '@stdlib/random/array/uniform' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); var PI = require( '@stdlib/constants/float64/pi' ); var tryRequire = require( '@stdlib/utils/try-require' ); @@ -31,9 +31,9 @@ var pkg = require( './../package.json' ).name; // VARIABLES // -var kernelCos = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var kernelCosf = tryRequire( resolve( __dirname, './../lib/native.js' ) ); var opts = { - 'skip': ( kernelCos instanceof Error ) + 'skip': ( kernelCosf instanceof Error ) }; @@ -44,10 +44,13 @@ bench( pkg+'::native', opts, function benchmark( b ) { var y; var i; + x = uniform( 100, -PI/4.0, PI/4.0, { + 'dtype': 'float32' + }); + b.tic(); for ( i = 0; i < b.iterations; i++ ) { - x = ( randu() * PI/2.0 ) - ( PI/4.0 ); - y = kernelCos( x, 0.0 ); + y = kernelCosf( x[ i % x.length ] ); if ( isnan( y ) ) { b.fail( 'should not return NaN' ); } diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/c/native/benchmark.c b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/c/native/benchmark.c index 4f95d929dd12..a99f42482aee 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/c/native/benchmark.c +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/c/native/benchmark.c @@ -16,14 +16,14 @@ * limitations under the License. */ -#include "stdlib/math/base/special/kernel_cos.h" +#include "stdlib/math/base/special/kernel_cosf.h" #include #include #include #include #include -#define NAME "kernel_cos" +#define NAME "kernel_cosf" #define ITERATIONS 1000000 #define REPEATS 3 @@ -79,9 +79,9 @@ static double tic( void ) { * * @return random number */ -static double rand_double( void ) { +static float rand_float( void ) { int r = rand(); - return (double)r / ( (double)RAND_MAX + 1.0 ); + return (float)r / ( (float)RAND_MAX + 1.0f ); } /** @@ -90,16 +90,19 @@ static double rand_double( void ) { * @return elapsed time in seconds */ static double benchmark( void ) { + float x[ 100 ]; double elapsed; - double x; double z; double t; int i; + for ( i = 0; i < 100; i++ ) { + x[ i ] = ( ( rand_float()*2.0f ) - 1.0f ) * 0.7853981633974483f; + } + t = tic(); for ( i = 0; i < ITERATIONS; i++ ) { - x = ( ( rand_double() * 2.0 ) - 1.0 ) * 0.7853981633974483; - z = stdlib_base_kernel_cos( x, 0.0 ); + z = stdlib_base_kernel_cosf( x[ i%100 ] ); if ( z != z ) { printf( "should not return NaN\n" ); break; diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/img/equation_double_double_inequality.svg b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/img/equation_double_double_inequality.svg deleted file mode 100644 index 3474d66a2029..000000000000 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/img/equation_double_double_inequality.svg +++ /dev/null @@ -1,37 +0,0 @@ - -StartAbsoluteValue y EndAbsoluteValue less-than-or-equal-to one-half u l p left-parenthesis x right-parenthesis - - - \ No newline at end of file diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/c/example.c b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/c/example.c index 6342bbda0732..fb7c30bb3355 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/c/example.c +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/c/example.c @@ -17,16 +17,16 @@ */ -#include "stdlib/math/base/special/kernel_cos.h" +#include "stdlib/math/base/special/kernel_cosf.h" #include int main( void ) { - const double x[] = { -0.7853981633974483, -0.6108652381980153, -0.4363323129985824, -0.26179938779914946, -0.08726646259971649, 0.08726646259971649, 0.26179938779914935, 0.43633231299858233, 0.6108652381980153, 0.7853981633974483 }; + const float x[] = { -0.7853981633974483f, -0.6108652381980153f, -0.4363323129985824f, -0.26179938779914946f, -0.08726646259971649f, 0.08726646259971649f, 0.26179938779914935f, 0.43633231299858233f, 0.6108652381980153f, 0.7853981633974483f }; - double out; + float v; int i; for ( i = 0; i < 10; i++ ) { - out = stdlib_base_kernel_cos( x[ i ], 0.0 ); - printf ( "x[ i ]: %lf, y: %lf, out: %lf\n", x[ i ], 0.0, out ); + v = stdlib_base_kernel_cosf( x[ i ] ); + printf( "kernelCosf(%f) = %f\n", x[ i ], v ); } } diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/index.js b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/index.js index d98aaf0f60ff..c1c7cdf19ace 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/index.js +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/index.js @@ -20,11 +20,11 @@ var linspace = require( '@stdlib/array/base/linspace' ); var PI = require( '@stdlib/constants/float64/pi' ); -var kernelCos = require( './../lib' ); +var kernelCosf = require( './../lib' ); var x = linspace( -PI/4.0, PI/4.0, 100 ); var i; for ( i = 0; i < x.length; i++ ) { - console.log( 'kernelCos(%d) = %d', x[ i ], kernelCos( x[ i ], 0.0 ) ); + console.log( 'kernelCosf(%d) = %d', x[ i ], kernelCosf( x[ i ] ) ); } diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/include/stdlib/math/base/special/kernel_cos.h b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/include/stdlib/math/base/special/kernel_cosf.h similarity index 80% rename from lib/node_modules/@stdlib/math/base/special/kernel-cosf/include/stdlib/math/base/special/kernel_cos.h rename to lib/node_modules/@stdlib/math/base/special/kernel-cosf/include/stdlib/math/base/special/kernel_cosf.h index b83ae54fde23..548f28555360 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/include/stdlib/math/base/special/kernel_cos.h +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/include/stdlib/math/base/special/kernel_cosf.h @@ -16,10 +16,8 @@ * limitations under the License. */ -#ifndef STDLIB_MATH_BASE_SPECIAL_KERNEL_COS_H -#define STDLIB_MATH_BASE_SPECIAL_KERNEL_COS_H - -#include +#ifndef STDLIB_MATH_BASE_SPECIAL_KERNEL_COSF_H +#define STDLIB_MATH_BASE_SPECIAL_KERNEL_COSF_H /* * If C++, prevent name mangling so that the compiler emits a binary file having undecorated names, thus mirroring the behavior of a C compiler. @@ -31,10 +29,10 @@ extern "C" { /** * Computes the cosine of a double-precision floating-point number on [-π/4, π/4]. */ -double stdlib_base_kernel_cos( const double x, const double y ); +float stdlib_base_kernel_cosf( const double x ); #ifdef __cplusplus } #endif -#endif // !STDLIB_MATH_BASE_SPECIAL_KERNEL_COS_H +#endif // !STDLIB_MATH_BASE_SPECIAL_KERNEL_COSF_H diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/native.js b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/native.js index a0348ee47d4d..be551a90294a 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/native.js +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/native.js @@ -26,30 +26,30 @@ var addon = require( './../src/addon.node' ); // MAIN // /** -* Computes the cosine on \\( \[-\pi/4, \pi/4] \\), where \\( \pi/4 \approx 0.785398164 \\). +* Computes the cosine of a single-precision floating-point number on \\( \[-\pi/4, \pi/4] \\), where \\( \pi/4 \approx 0.785398164 \\). * * @private * @param {number} x - input value (in radians, assumed to be bounded by ~pi/4 in magnitude) * @returns {number} cosine * * @example -* var v = kernelCosf( 0.0, 0.0 ); +* var v = kernelCosf( 0.0 ); * // returns ~1.0 * * @example -* var v = kernelCosf( 3.141592653589793/6.0, 0.0 ); +* var v = kernelCosf( 3.141592653589793/6.0 ); * // returns ~0.866 * * @example -* var v = kernelCosf( 0.785, -1.144e-17 ); +* var v = kernelCosf( 0.785 ); * // returns ~0.707 * * @example -* var v = kernelCosf( NaN, 0.0 ); +* var v = kernelCosf( NaN ); * // returns NaN */ -function kernelCosf( x, y ) { - return addon( x, y ); +function kernelCosf( x ) { + return addon( x ); } diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/manifest.json b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/manifest.json index 1ab1a964ca74..b87acf0506aa 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/manifest.json +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/manifest.json @@ -36,7 +36,7 @@ "libraries": [], "libpath": [], "dependencies": [ - "@stdlib/math/base/napi/binary" + "@stdlib/math/base/napi/unary" ] }, { diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/package.json b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/package.json index 6bb7178c8ae4..b48f46b93001 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/package.json +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/package.json @@ -1,7 +1,7 @@ { - "name": "@stdlib/math/base/special/kernel-cos", + "name": "@stdlib/math/base/special/kernel-cosf", "version": "0.0.0", - "description": "Compute the cosine of a double-precision floating-point number on [-π/4, π/4].", + "description": "Compute the cosine of a single-precision floating-point number on [-π/4, π/4].", "license": "Apache-2.0", "author": { "name": "The Stdlib Authors", @@ -59,6 +59,7 @@ "math", "math.cos", "cos", + "cosf", "cosine", "kernel", "trig", diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/addon.c b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/addon.c index e9755cc4b832..deeadb19b5d2 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/addon.c +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/addon.c @@ -16,8 +16,8 @@ * limitations under the License. */ -#include "stdlib/math/base/special/kernel_cos.h" -#include "stdlib/math/base/napi/binary.h" +#include "stdlib/math/base/special/kernel_cosf.h" +#include "stdlib/math/base/napi/unary.h" // cppcheck-suppress shadowFunction -STDLIB_MATH_BASE_NAPI_MODULE_DD_D( stdlib_base_kernel_cos ) +STDLIB_MATH_BASE_NAPI_MODULE_D_F( stdlib_base_kernel_cosf ) diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/main.c b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/main.c index fc27bd38f339..3cad64c96e82 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/main.c +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/main.c @@ -18,7 +18,7 @@ * * ## Notice * -* The following copyright, license, and long comment were part of the original implementation available as part of [FreeBSD]{@link https://svnweb.freebsd.org/base/release/12.2.0/lib/msun/src/k_cos.c}. The implementation follows the original, but has been modified according to project conventions. +* The following copyright, license, and long comment were part of the original implementation available as part of [FreeBSD]{@link https://svnweb.freebsd.org/base/release/12.2.0/lib/msun/src/k_cosf.c}. The implementation follows the original, but has been modified according to project conventions. * * ```text * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. @@ -30,11 +30,14 @@ * ``` */ -#include "stdlib/math/base/special/kernel_cos.h" +#include "stdlib/math/base/special/kernel_cosf.h" + +static const double C0 = -0.499999997251031003120; // -0x1ffffffd0c5e81.0p-54 +static const double C1 = 0.0416666233237390631894; // 0x155553e1053a42.0p-57 /* Begin auto-generated functions. The following functions are auto-generated. Do not edit directly. */ -// BEGIN: polyval_c13 +// BEGIN: polyval_c23 /** * Evaluates a polynomial. @@ -48,137 +51,33 @@ * @param x value at which to evaluate the polynomial * @return evaluated polynomial */ -static double polyval_c13( const double x ) { - return 0.0416666666666666 + (x * (-0.001388888888887411 + (x * 0.00002480158728947673))); +static double polyval_c23( const double x ) { + return -0.001388676377460993 + (x * 0.00002439044879627741); } -// END: polyval_c13 - -// BEGIN: polyval_c46 +// END: polyval_c23 /** -* Evaluates a polynomial. +* Computes the cosine of a single-precision floating-point number on \\( \[-\pi/4, \pi/4] \\), where \\( \pi/4 \approx 0.785398164 \\). * * ## Notes * -* - The implementation uses [Horner's rule][horners-method] for efficient computation. -* -* [horners-method]: https://en.wikipedia.org/wiki/Horner%27s_method -* -* @param x value at which to evaluate the polynomial -* @return evaluated polynomial -*/ -static double polyval_c46( const double x ) { - return -2.7557314351390663e-7 + (x * (2.087572321298175e-9 + (x * -1.1359647557788195e-11))); -} - -// END: polyval_c46 - -/* End auto-generated functions. */ - -/** -* Computes the cosine on \\( \[-\pi/4, \pi/4] \\), where \\( \pi/4 \approx 0.785398164 \\). -* -* ## Method -* -* - Since \\( \cos(-x) = \cos(x) \\), we need only to consider positive \\(x\\). -* -* - If \\( x < 2^{-27} \\), return \\(1\\) which is inexact if \\( x \ne 0 \\). -* -* - \\( cos(x) \\) is approximated by a polynomial of degree \\(14\\) on \\( \[0,\pi/4] \\). -* -* ```tex -* \cos(x) \approx 1 - \frac{x \cdot x}{2} + C_1 \cdot x^4 + \ldots + C_6 \cdot x^{14} -* ``` -* -* where the Remez error is -* -* ```tex -* \left| \cos(x) - \left( 1 - \frac{x^2}{2} + C_1x^4 + C_2x^6 + C_3x^8 + C_4x^{10} + C_5x^{12} + C_6x^{15} \right) \right| \le 2^{-58} -* ``` -* -* - Let \\( C_1x^4 + C_2x^6 + C_3x^8 + C_4x^{10} + C_5x^{12} + C_6x^{14} \\), then -* -* ```tex -* \cos(x) \approx 1 - \frac{x \cdot x}{2} + r -* ``` -* -* Since -* -* ```tex -* \cos(x+y) \approx \cos(x) - \sin(x) \cdot y \approx \cos(x) - x \cdot y -* ``` -* -* a correction term is necessary in \\( \cos(x) \\). Hence, -* -* ```tex -* \cos(x+y) = 1 - \left( \frac{x \cdot x}{2} - (r - x \cdot y) \right) -* ``` -* -* For better accuracy, rearrange to -* -* ```tex -* \cos(x+y) \approx w + \left( t + ( r - x \cdot y ) \right) -* ``` -* -* where \\( w = 1 - \frac{x \cdot x}{2} \\) and \\( t \\) is a tiny correction term (\\( 1 - \frac{x \cdot x}{2} = w + t \\) exactly in infinite precision). The exactness of \\(w + t\\) in infinite precision depends on \\(w\\) and \\(t\\) having the same precision as \\(x\\). +* - \\( | \cos(x) - c(x) | < 2^{-34.1} \\), where \\( 2^{-34.1} \approx \[ -5.37 \times 10^{-11}, 5.295 \times 10^{-11} ] \\). * * @param x input value (in radians, assumed to be bounded by `~pi/4` in magnitude) -* @param y tail of `x` * @return cosine * * @example -* double out = stdlib_base_kernel_cos( 3.141592653589793/6.0, 0.0 ); -* // returns ~0.866 +* float out = stdlib_base_kernel_cosf( 3.141592653589793/6.0f ); +* // returns ~0.866f */ -double stdlib_base_kernel_cos( const double x, const double y ) { - double hz; +float stdlib_base_kernel_cosf( const double x ) { double r; double w; double z; z = x * x; w = z * z; - r = z * polyval_c13( z ); - r += w * w * polyval_c46( z ); - hz = 0.5 * z; - w = 1.0 - hz; - return w + ( ((1.0-w) - hz) + ((z*r) - (x*y)) ); + r = polyval_c23( z ); + return (( 1.0+(z*C0) ) + (w*C1)) + ((w*z)*r); } -// BEGIN: polyval_c01 - -/** -* Evaluates a polynomial. -* -* ## Notes -* -* - The implementation uses [Horner's rule][horners-method] for efficient computation. -* -* [horners-method]: https://en.wikipedia.org/wiki/Horner%27s_method -* -* @param x value at which to evaluate the polynomial -* @return evaluated polynomial -*/ -static double polyval_c01( const double x ) { - return -0.499999997251031 + (x * 0.04166662332373906); -} - -// END: polyval_c01// BEGIN: polyval_c23 - -/** -* Evaluates a polynomial. -* -* ## Notes -* -* - The implementation uses [Horner's rule][horners-method] for efficient computation. -* -* [horners-method]: https://en.wikipedia.org/wiki/Horner%27s_method -* -* @param x value at which to evaluate the polynomial -* @return evaluated polynomial -*/ -static double polyval_c23( const double x ) { - return -0.001388676377460993 + (x * 0.00002439044879627741); -} - -// END: polyval_c23 \ No newline at end of file From f033ec620c18651306881e34d8138e2f121972aa Mon Sep 17 00:00:00 2001 From: Karan Anand Date: Tue, 3 Jun 2025 17:15:13 -0700 Subject: [PATCH 06/10] feat: add `math/base/special/kernel-cosf` --- type: pre_commit_static_analysis_report description: Results of running static analysis checks when committing changes. report: - task: lint_filenames status: passed - task: lint_editorconfig status: passed - task: lint_markdown status: passed - task: lint_package_json status: na - task: lint_repl_help status: passed - task: lint_javascript_src status: passed - task: lint_javascript_cli status: na - task: lint_javascript_examples status: passed - task: lint_javascript_tests status: passed - task: lint_javascript_benchmarks status: passed - task: lint_python status: na - task: lint_r status: na - task: lint_c_src status: passed - task: lint_c_examples status: passed - task: lint_c_benchmarks status: passed - task: lint_c_tests_fixtures status: na - task: lint_shell status: na - task: lint_typescript_declarations status: passed - task: lint_typescript_tests status: passed - task: lint_license_headers status: passed --- --- .../math/base/special/kernel-cosf/README.md | 24 +++-- .../kernel-cosf/benchmark/benchmark.js | 14 ++- .../kernel-cosf/benchmark/benchmark.native.js | 14 ++- .../kernel-cosf/benchmark/c/native/Makefile | 31 +++--- .../benchmark/c/native/benchmark.c | 12 +-- .../math/base/special/kernel-cosf/binding.gyp | 2 +- .../base/special/kernel-cosf/docs/repl.txt | 21 ++--- .../special/kernel-cosf/docs/types/index.d.ts | 20 ++-- .../special/kernel-cosf/docs/types/test.ts | 38 +++----- .../special/kernel-cosf/examples/c/Makefile | 2 +- .../special/kernel-cosf/examples/c/example.c | 10 +- .../special/kernel-cosf/examples/index.js | 8 +- .../base/special/kernel-cosf/include.gypi | 2 +- .../stdlib/math/base/special/kernel_cosf.h | 4 +- .../base/special/kernel-cosf/lib/index.js | 2 +- .../math/base/special/kernel-cosf/lib/main.js | 12 +-- .../base/special/kernel-cosf/lib/native.js | 2 +- .../special/kernel-cosf/scripts/evalpoly.js | 2 +- .../base/special/kernel-cosf/src/Makefile | 2 +- .../math/base/special/kernel-cosf/src/addon.c | 3 +- .../math/base/special/kernel-cosf/src/main.c | 12 +-- .../test/fixtures/julia/large_negative.json | 1 + .../test/fixtures/julia/large_positive.json | 1 + .../kernel-cosf/test/fixtures/julia/runner.jl | 10 +- .../test/fixtures/julia/small_range.json | 2 +- .../base/special/kernel-cosf/test/test.js | 94 +++++++++++++++---- .../special/kernel-cosf/test/test.native.js | 92 ++++++++++++++---- 27 files changed, 263 insertions(+), 174 deletions(-) create mode 100644 lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/large_negative.json create mode 100644 lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/large_positive.json diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/README.md b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/README.md index 1451d0f4f742..a5a949ec120d 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/README.md +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/README.md @@ -2,7 +2,7 @@ @license Apache-2.0 -Copyright (c) 2022 The Stdlib Authors. +Copyright (c) 2025 The Stdlib Authors. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. @@ -60,15 +60,13 @@ v = kernelCosf( NaN ); ```javascript var linspace = require( '@stdlib/array/base/linspace' ); +var logEachMap = require( '@stdlib/console/log-each-map' ); var PI = require( '@stdlib/constants/float64/pi' ); var kernelCosf = require( '@stdlib/math/base/special/kernel-cosf' ); var x = linspace( -PI/4.0, PI/4.0, 100 ); -var i; -for ( i = 0; i < x.length; i++ ) { - console.log( 'kernelCosf(%d) = %d', x[ i ], kernelCosf( x[ i ] ) ); -} +logEachMap( 'kernelCosf(%0.4f) = %0.4f', x, kernelCosf ); ``` @@ -106,19 +104,19 @@ for ( i = 0; i < x.length; i++ ) { Computes the [cosine][cosine] of a single-precision floating-point number on `[-π/4, π/4]`. ```c -float v = stdlib_base_kernel_cosf( 0.0f ); +float v = stdlib_base_kernel_cosf( 0.0 ); // returns ~0.0f -v = stdlib_base_kernel_cosf( 3.141592653589793/6.0f ); +v = stdlib_base_kernel_cosf( 3.141592653589793/6.0 ); // returns ~0.866f ``` The function accepts the following arguments: -- **x**: `[in] float` input value (in radians, assumed to be bounded by `~pi/4` in magnitude). +- **x**: `[in] double` input value (in radians, assumed to be bounded by `~pi/4` in magnitude). ```c -float stdlib_base_kernel_cosf( const float x ); +float stdlib_base_kernel_cosf( const double x ); ``` @@ -144,13 +142,13 @@ float stdlib_base_kernel_cosf( const float x ); #include int main( void ) { - const float x[] = { -0.7853981633974483f, -0.6108652381980153f, -0.4363323129985824f, -0.26179938779914946f, -0.08726646259971649f, 0.08726646259971649f, 0.26179938779914935f, 0.43633231299858233f, 0.6108652381980153f, 0.7853981633974483f }; + const double x[] = { -0.7853981633974483, -0.6108652381980153, -0.4363323129985824, -0.26179938779914946, -0.08726646259971649, 0.08726646259971649, 0.26179938779914935, 0.43633231299858233, 0.6108652381980153, 0.7853981633974483 }; - float v; + float out; int i; for ( i = 0; i < 10; i++ ) { - v = stdlib_base_kernel_cosf( x[ i ] ); - printf( "kernelCosf(%f) = %f\n", x[ i ], v ); + out = stdlib_base_kernel_cosf( x[ i ] ); + printf ( "x[ i ]: %lf, out: %f\n", x[ i ], out ); } } ``` diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/benchmark.js b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/benchmark.js index f5f27f25e513..e395d43de28c 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/benchmark.js +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/benchmark.js @@ -1,7 +1,7 @@ /** * @license Apache-2.0 * -* Copyright (c) 2018 The Stdlib Authors. +* Copyright (c) 2025 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -22,7 +22,7 @@ var bench = require( '@stdlib/bench' ); var uniform = require( '@stdlib/random/array/uniform' ); -var isnan = require( '@stdlib/math/base/assert/is-nan' ); +var isnanf = require( '@stdlib/math/base/assert/is-nanf' ); var PI = require( '@stdlib/constants/float64/pi' ); var pkg = require( './../package.json' ).name; var kernelCosf = require( './../lib' ); @@ -35,19 +35,17 @@ bench( pkg, function benchmark( b ) { var y; var i; - x = uniform( 100, -PI/4.0, PI/4.0, { - 'dtype': 'float32' - }); + x = uniform( 100, -PI/4.0, PI/4.0 ); b.tic(); for ( i = 0; i < b.iterations; i++ ) { - y = kernelCosf( x[ i % x.length ] ); - if ( isnan( y ) ) { + y = kernelCosf( x[ i%x.length ] ); + if ( isnanf( y ) ) { b.fail( 'should not return NaN' ); } } b.toc(); - if ( isnan( y ) ) { + if ( isnanf( y ) ) { b.fail( 'should not return NaN' ); } b.pass( 'benchmark finished' ); diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/benchmark.native.js index 14a7cedb63ec..2353d1ccbcf9 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/benchmark.native.js +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/benchmark.native.js @@ -1,7 +1,7 @@ /** * @license Apache-2.0 * -* Copyright (c) 2022 The Stdlib Authors. +* Copyright (c) 2025 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -23,7 +23,7 @@ var resolve = require( 'path' ).resolve; var bench = require( '@stdlib/bench' ); var uniform = require( '@stdlib/random/array/uniform' ); -var isnan = require( '@stdlib/math/base/assert/is-nan' ); +var isnanf = require( '@stdlib/math/base/assert/is-nanf' ); var PI = require( '@stdlib/constants/float64/pi' ); var tryRequire = require( '@stdlib/utils/try-require' ); var pkg = require( './../package.json' ).name; @@ -44,19 +44,17 @@ bench( pkg+'::native', opts, function benchmark( b ) { var y; var i; - x = uniform( 100, -PI/4.0, PI/4.0, { - 'dtype': 'float32' - }); + x = uniform( 100, -PI/4.0, PI/4.0 ); b.tic(); for ( i = 0; i < b.iterations; i++ ) { - y = kernelCosf( x[ i % x.length ] ); - if ( isnan( y ) ) { + y = kernelCosf( x[ i%x.length ] ); + if ( isnanf( y ) ) { b.fail( 'should not return NaN' ); } } b.toc(); - if ( isnan( y ) ) { + if ( isnanf( y ) ) { b.fail( 'should not return NaN' ); } b.pass( 'benchmark finished' ); diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/c/native/Makefile b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/c/native/Makefile index 45c36ede7d1e..5d7e79f50788 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/c/native/Makefile +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/c/native/Makefile @@ -1,7 +1,7 @@ #/ # @license Apache-2.0 # -# Copyright (c) 2022 The Stdlib Authors. +# Copyright (c) 2025 The Stdlib Authors. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. @@ -88,15 +88,15 @@ c_targets := benchmark.out # RULES # #/ -# Compiles source files. +# Compiles C source files. # -# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`) -# @param {string} [CFLAGS] - C compiler options -# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) -# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`) -# @param {string} [SOURCE_FILES] - list of source files +# @param {string} SOURCE_FILES - list of C source files +# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop`) +# @param {string} [LIBRARIES] - list of libraries (e.g., `-lpthread -lblas`) # @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`) -# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`) +# @param {string} [C_COMPILER] - C compiler +# @param {string} [CFLAGS] - C compiler flags +# @param {(string|void)} [fPIC] - compiler flag indicating whether to generate position independent code # # @example # make @@ -112,13 +112,13 @@ all: $(c_targets) # Compiles C source files. # # @private -# @param {string} CC - C compiler (e.g., `gcc`) -# @param {string} CFLAGS - C compiler options -# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) -# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`) -# @param {string} SOURCE_FILES - list of source files -# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`) -# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`) +# @param {string} SOURCE_FILES - list of C source files +# @param {(string|void)} INCLUDE - list of includes (e.g., `-I /foo/bar -I /beep/boop`) +# @param {(string|void)} LIBRARIES - list of libraries (e.g., `-lpthread -lblas`) +# @param {(string|void)} LIBPATH - list of library paths (e.g., `-L /foo/bar -L /beep/boop`) +# @param {string} CC - C compiler +# @param {string} CFLAGS - C compiler flags +# @param {(string|void)} fPIC - compiler flag indicating whether to generate position independent code #/ $(c_targets): %.out: %.c $(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES) @@ -144,4 +144,3 @@ clean: $(QUIET) -rm -f *.o *.out .PHONY: clean - diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/c/native/benchmark.c b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/c/native/benchmark.c index a99f42482aee..5770744a77d4 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/c/native/benchmark.c +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/c/native/benchmark.c @@ -1,7 +1,7 @@ /** * @license Apache-2.0 * -* Copyright (c) 2022 The Stdlib Authors. +* Copyright (c) 2025 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -79,9 +79,9 @@ static double tic( void ) { * * @return random number */ -static float rand_float( void ) { +static double rand_double( void ) { int r = rand(); - return (float)r / ( (float)RAND_MAX + 1.0f ); + return (double)r / ( (double)RAND_MAX + 1.0 ); } /** @@ -90,14 +90,14 @@ static float rand_float( void ) { * @return elapsed time in seconds */ static double benchmark( void ) { - float x[ 100 ]; double elapsed; - double z; + double x[ 100 ]; double t; + float z; int i; for ( i = 0; i < 100; i++ ) { - x[ i ] = ( ( rand_float()*2.0f ) - 1.0f ) * 0.7853981633974483f; + x[ i ] = ( ( rand_double()*2.0 ) - 1.0 ) * 0.7853981633974483; } t = tic(); diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/binding.gyp b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/binding.gyp index 1058b57bab16..68a1ca11d160 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/binding.gyp +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/binding.gyp @@ -1,6 +1,6 @@ # @license Apache-2.0 # -# Copyright (c) 2022 The Stdlib Authors. +# Copyright (c) 2025 The Stdlib Authors. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/repl.txt b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/repl.txt index d4cbd01c229c..6a5f01d35a35 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/repl.txt +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/repl.txt @@ -1,24 +1,15 @@ -{{alias}}( x, y ) - Computes the cosine of a double-precision floating-point number on the +{{alias}}( x ) + Computes the cosine of a single-precision floating-point number on the interval [-π/4, π/4]. - For increased accuracy, the number for which the cosine should be evaluated - can be supplied as a double-double number (i.e., a non-evaluated sum of two - double-precision floating-point numbers `x` and `y`). - - The two numbers must satisfy `|y| < 0.5 * ulp( x )`. - - If either argument is `NaN`, the function returns `NaN`. + If provided `NaN`, the function returns `NaN`. Parameters ---------- x: number Input value (in radians). - y: number - Tail of `x`. - Returns ------- out: number @@ -26,11 +17,11 @@ Examples -------- - > var out = {{alias}}( 0.0, 0.0 ) + > var out = {{alias}}( 0.0 ) ~1.0 - > out = {{alias}}( {{alias:@stdlib/constants/float64/pi}}/6.0, 0.0 ) + > out = {{alias}}( {{alias:@stdlib/constants/float64/pi}}/6.0 ) ~0.866 - > out = {{alias}}( 0.785, -1.144e-17 ) + > out = {{alias}}( 0.785 ) ~0.707 > out = {{alias}}( NaN ) NaN diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/types/index.d.ts b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/types/index.d.ts index f987c02ad282..c95029d51276 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/types/index.d.ts +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/types/index.d.ts @@ -1,7 +1,7 @@ /* * @license Apache-2.0 * -* Copyright (c) 2019 The Stdlib Authors. +* Copyright (c) 2025 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -19,36 +19,34 @@ // TypeScript Version: 4.1 /** -* Computes the cosine of a double-precision floating-point number on `[-π/4, π/4]`. +* Computes the cosine of a single-precision floating-point number on \\( \[-\pi/4, \pi/4] \\), where \\( \pi/4 \approx 0.785398164 \\). * * ## Notes * -* - For increased accuracy, the number for which the cosine should be evaluated can be supplied as a double-double number (i.e., a non-evaluated sum of two double-precision floating-point numbers `x` and `y`). -* - The two numbers must satisfy `|y| < 0.5 * ulp( x )`. +* - \\( | \cos(x) - c(x) | < 2^{-34.1} \\), where \\( 2^{-34.1} \approx \[ -5.37 \times 10^{-11}, 5.295 \times 10^{-11} \] \\). * * @param x - input value (in radians, assumed to be bounded by ~pi/4 in magnitude) -* @param y - tail of `x` * @returns cosine * * @example -* var v = kernelCos( 0.0, 0.0 ); +* var v = kernelCosf( 0.0 ); * // returns ~1.0 * * @example -* var v = kernelCos( 3.141592653589793/6.0, 0.0 ); +* var v = kernelCosf( 3.141592653589793/6.0 ); * // returns ~0.866 * * @example -* var v = kernelCos( 0.785, -1.144e-17 ); +* var v = kernelCosf( 0.785 ); * // returns ~0.707 * * @example -* var v = kernelCos( NaN, 0.0 ); +* var v = kernelCosf( NaN ); * // returns NaN */ -declare function kernelCos( x: number, y: number ): number; +declare function kernelCosf( x: number ): number; // EXPORTS // -export = kernelCos; +export = kernelCosf; diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/types/test.ts b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/types/test.ts index 9e53291cfc35..b27bb53c3bfe 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/types/test.ts +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/types/test.ts @@ -1,7 +1,7 @@ /* * @license Apache-2.0 * -* Copyright (c) 2019 The Stdlib Authors. +* Copyright (c) 2025 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -16,41 +16,29 @@ * limitations under the License. */ -import kernelCos = require( './index' ); +import kernelCosf = require( './index' ); // TESTS // // The function returns a number... { - kernelCos( 0.5, 0.2 ); // $ExpectType number + kernelCosf( 0.5 ); // $ExpectType number } -// The compiler throws an error if the function is provided values other than two numbers... +// The compiler throws an error if the function is provided a value other than a number... { - kernelCos( true, 3 ); // $ExpectError - kernelCos( false, 2 ); // $ExpectError - kernelCos( '5', 1 ); // $ExpectError - kernelCos( [], 1 ); // $ExpectError - kernelCos( {}, 2 ); // $ExpectError - kernelCos( ( x: number ): number => x, 2 ); // $ExpectError - - kernelCos( 9, true ); // $ExpectError - kernelCos( 9, false ); // $ExpectError - kernelCos( 5, '5' ); // $ExpectError - kernelCos( 8, [] ); // $ExpectError - kernelCos( 9, {} ); // $ExpectError - kernelCos( 8, ( x: number ): number => x ); // $ExpectError - - kernelCos( [], true ); // $ExpectError - kernelCos( {}, false ); // $ExpectError - kernelCos( false, '5' ); // $ExpectError - kernelCos( {}, [] ); // $ExpectError - kernelCos( '5', ( x: number ): number => x ); // $ExpectError + kernelCosf( true ); // $ExpectError + kernelCosf( false ); // $ExpectError + kernelCosf( null ); // $ExpectError + kernelCosf( undefined ); // $ExpectError + kernelCosf( '5' ); // $ExpectError + kernelCosf( [] ); // $ExpectError + kernelCosf( {} ); // $ExpectError + kernelCosf( ( x: number ): number => x ); // $ExpectError } // The compiler throws an error if the function is provided insufficient arguments... { - kernelCos(); // $ExpectError - kernelCos( 0 ); // $ExpectError + kernelCosf(); // $ExpectError } diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/c/Makefile b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/c/Makefile index 91d364d19fc3..25ced822f96a 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/c/Makefile +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/c/Makefile @@ -1,7 +1,7 @@ #/ # @license Apache-2.0 # -# Copyright (c) 2022 The Stdlib Authors. +# Copyright (c) 2025 The Stdlib Authors. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/c/example.c b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/c/example.c index fb7c30bb3355..2373fc777f36 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/c/example.c +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/c/example.c @@ -1,7 +1,7 @@ /** * @license Apache-2.0 * -* Copyright (c) 2022 The Stdlib Authors. +* Copyright (c) 2025 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -21,12 +21,12 @@ #include int main( void ) { - const float x[] = { -0.7853981633974483f, -0.6108652381980153f, -0.4363323129985824f, -0.26179938779914946f, -0.08726646259971649f, 0.08726646259971649f, 0.26179938779914935f, 0.43633231299858233f, 0.6108652381980153f, 0.7853981633974483f }; + const double x[] = { -0.7853981633974483, -0.6108652381980153, -0.4363323129985824, -0.26179938779914946, -0.08726646259971649, 0.08726646259971649, 0.26179938779914935, 0.43633231299858233, 0.6108652381980153, 0.7853981633974483 }; - float v; + float out; int i; for ( i = 0; i < 10; i++ ) { - v = stdlib_base_kernel_cosf( x[ i ] ); - printf( "kernelCosf(%f) = %f\n", x[ i ], v ); + out = stdlib_base_kernel_cosf( x[ i ] ); + printf ( "x[ i ]: %lf, out: %f\n", x[ i ], out ); } } diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/index.js b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/index.js index c1c7cdf19ace..1dc8c89b1e64 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/index.js +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/index.js @@ -1,7 +1,7 @@ /** * @license Apache-2.0 * -* Copyright (c) 2018 The Stdlib Authors. +* Copyright (c) 2025 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -19,12 +19,10 @@ 'use strict'; var linspace = require( '@stdlib/array/base/linspace' ); +var logEachMap = require( '@stdlib/console/log-each-map' ); var PI = require( '@stdlib/constants/float64/pi' ); var kernelCosf = require( './../lib' ); var x = linspace( -PI/4.0, PI/4.0, 100 ); -var i; -for ( i = 0; i < x.length; i++ ) { - console.log( 'kernelCosf(%d) = %d', x[ i ], kernelCosf( x[ i ] ) ); -} +logEachMap( 'kernelCosf(%0.4f) = %0.4f', x, kernelCosf ); diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/include.gypi b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/include.gypi index 3b437d524797..ecfaf82a3279 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/include.gypi +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/include.gypi @@ -1,6 +1,6 @@ # @license Apache-2.0 # -# Copyright (c) 2022 The Stdlib Authors. +# Copyright (c) 2025 The Stdlib Authors. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/include/stdlib/math/base/special/kernel_cosf.h b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/include/stdlib/math/base/special/kernel_cosf.h index 548f28555360..7fb1040535c5 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/include/stdlib/math/base/special/kernel_cosf.h +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/include/stdlib/math/base/special/kernel_cosf.h @@ -1,7 +1,7 @@ /** * @license Apache-2.0 * -* Copyright (c) 2022 The Stdlib Authors. +* Copyright (c) 2025 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -27,7 +27,7 @@ extern "C" { #endif /** -* Computes the cosine of a double-precision floating-point number on [-π/4, π/4]. +* Computes the cosine of a single-precision floating-point number on [-π/4, π/4]. */ float stdlib_base_kernel_cosf( const double x ); diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/index.js b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/index.js index b65f6c8d371d..11efa17f2062 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/index.js +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/index.js @@ -1,7 +1,7 @@ /** * @license Apache-2.0 * -* Copyright (c) 2018 The Stdlib Authors. +* Copyright (c) 2025 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/main.js b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/main.js index 504a91974e11..1eb73925c6eb 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/main.js +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/main.js @@ -1,7 +1,7 @@ /** * @license Apache-2.0 * -* Copyright (c) 2018 The Stdlib Authors. +* Copyright (c) 2025 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -34,14 +34,14 @@ // MODULES // -var float64ToFloat32 = require( '@stdlib/number/float64/base/to-float32' ); +var f32 = require( '@stdlib/number/float64/base/to-float32' ); var polyval23 = require( './polyval_c23.js' ); // VARIABLES // -var C0 = -0.499999997251031003120; // -0x1ffffffd0c5e81.0p-54 -var C1 = 0.0416666233237390631894; // 0x155553e1053a42.0p-57 +var C0 = -0.499999997251031003120; // -0x1ffffffd0c5e81.0p-54 +var C1 = 0.0416666233237390631894; // 0x155553e1053a42.0p-57 // MAIN // @@ -51,7 +51,7 @@ var C1 = 0.0416666233237390631894; // 0x155553e1053a42.0p-57 * * ## Notes * -* - \\( | \cos(x) - c(x) | < 2^{-34.1} \\), where \\( 2^{-34.1} \approx \[ -5.37 \times 10^{-11}, 5.295 \times 10^{-11} ] \\). +* - \\( | \cos(x) - c(x) | < 2^{-34.1} \\), where \\( 2^{-34.1} \approx \[ -5.37 \times 10^{-11}, 5.295 \times 10^{-11} \] \\). * * @param {number} x - input value (in radians, assumed to be bounded by ~pi/4 in magnitude) * @returns {number} cosine @@ -80,7 +80,7 @@ function kernelCosf( x ) { z = x * x; w = z * z; r = polyval23( z ); - return float64ToFloat32( (( 1.0+(z*C0) ) + (w*C1)) + ((w*z)*r) ); + return f32( ( ( 1.0 + ( z*C0 ) ) + ( w*C1 ) ) + ( ( w*z ) * r ) ); } diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/native.js b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/native.js index be551a90294a..ffd79cb8b513 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/native.js +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/native.js @@ -1,7 +1,7 @@ /** * @license Apache-2.0 * -* Copyright (c) 2022 The Stdlib Authors. +* Copyright (c) 2025 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/scripts/evalpoly.js b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/scripts/evalpoly.js index 25a4235aeaa9..4a60e3714501 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/scripts/evalpoly.js +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/scripts/evalpoly.js @@ -1,7 +1,7 @@ /** * @license Apache-2.0 * -* Copyright (c) 2018 The Stdlib Authors. +* Copyright (c) 2025 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/Makefile b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/Makefile index f79b87238713..7733b6180cb4 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/Makefile +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/Makefile @@ -1,7 +1,7 @@ #/ # @license Apache-2.0 # -# Copyright (c) 2022 The Stdlib Authors. +# Copyright (c) 2025 The Stdlib Authors. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/addon.c b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/addon.c index deeadb19b5d2..e2ab41bb3059 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/addon.c +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/addon.c @@ -1,7 +1,7 @@ /** * @license Apache-2.0 * -* Copyright (c) 2022 The Stdlib Authors. +* Copyright (c) 2025 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -19,5 +19,4 @@ #include "stdlib/math/base/special/kernel_cosf.h" #include "stdlib/math/base/napi/unary.h" -// cppcheck-suppress shadowFunction STDLIB_MATH_BASE_NAPI_MODULE_D_F( stdlib_base_kernel_cosf ) diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/main.c b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/main.c index 3cad64c96e82..f0ed5e1608e4 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/main.c +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/main.c @@ -1,7 +1,7 @@ /** * @license Apache-2.0 * -* Copyright (c) 2022 The Stdlib Authors. +* Copyright (c) 2025 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -32,8 +32,8 @@ #include "stdlib/math/base/special/kernel_cosf.h" -static const double C0 = -0.499999997251031003120; // -0x1ffffffd0c5e81.0p-54 -static const double C1 = 0.0416666233237390631894; // 0x155553e1053a42.0p-57 +static const double C0 = -0.499999997251031003120; // -0x1ffffffd0c5e81.0p-54 +static const double C1 = 0.0416666233237390631894; // 0x155553e1053a42.0p-57 /* Begin auto-generated functions. The following functions are auto-generated. Do not edit directly. */ @@ -62,13 +62,13 @@ static double polyval_c23( const double x ) { * * ## Notes * -* - \\( | \cos(x) - c(x) | < 2^{-34.1} \\), where \\( 2^{-34.1} \approx \[ -5.37 \times 10^{-11}, 5.295 \times 10^{-11} ] \\). +* - \\( | \cos(x) - c(x) | < 2^{-34.1} \\), where \\( 2^{-34.1} \approx \[ -5.37 \times 10^{-11}, 5.295 \times 10^{-11} \] \\). * * @param x input value (in radians, assumed to be bounded by `~pi/4` in magnitude) * @return cosine * * @example -* float out = stdlib_base_kernel_cosf( 3.141592653589793/6.0f ); +* float out = stdlib_base_kernel_cosf( 3.141592653589793/6.0 ); * // returns ~0.866f */ float stdlib_base_kernel_cosf( const double x ) { @@ -79,5 +79,5 @@ float stdlib_base_kernel_cosf( const double x ) { z = x * x; w = z * z; r = polyval_c23( z ); - return (( 1.0+(z*C0) ) + (w*C1)) + ((w*z)*r); + return ( ( 1.0 + ( z*C0 ) ) + ( w*C1 ) ) + ( ( w*z ) * r ); } diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/large_negative.json b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/large_negative.json new file mode 100644 index 000000000000..abfd7ea80078 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/large_negative.json @@ -0,0 +1 @@ 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diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/large_positive.json b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/large_positive.json new file mode 100644 index 000000000000..ab6206ced5ca --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/large_positive.json @@ -0,0 +1 @@ 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diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/runner.jl b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/runner.jl index 297761a25557..355501b3605c 100755 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/runner.jl +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/runner.jl @@ -62,5 +62,13 @@ file = @__FILE__; dir = dirname( file ); # Values within the defined domain: -x = range( Float32(-pi/4.0), stop = Float32(pi/4.0), length = 1000 ) +x = Float32.( range( -pi/4.0, stop = pi/4.0, length = 1000 ) ); gen( x, "small_range.json" ); + +# Positive values outside the defined domain: +x = Float32.( range( 40.0*pi/4.0, stop = 200*pi/4.0, length = 1000 ) ); +gen( x, "large_positive.json" ); + +# Negative values outside the defined domain: +x = Float32.( range( -200*pi/4.0, stop = -40*pi/4.0, length = 1000 ) ); +gen( x, "large_negative.json" ); diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/small_range.json b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/small_range.json index a5d2aa85726e..afbafdd97082 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/small_range.json +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/small_range.json @@ -1 +1 @@ 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diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/test.js b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/test.js index d6bf39c22925..6deb673a46cb 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/test.js +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/test.js @@ -1,7 +1,7 @@ /** * @license Apache-2.0 * -* Copyright (c) 2018 The Stdlib Authors. +* Copyright (c) 2025 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -21,16 +21,17 @@ // MODULES // var tape = require( 'tape' ); -var isnan = require( '@stdlib/math/base/assert/is-nan' ); -var float64ToFloat32 = require( '@stdlib/number/float64/base/to-float32' ); -var EPS = require( '@stdlib/constants/float32/eps' ); -var absf = require( '@stdlib/math/base/special/absf' ); +var isnanf = require( '@stdlib/math/base/assert/is-nanf' ); +var f32 = require( '@stdlib/number/float64/base/to-float32' ); +var rempio2f = require( '@stdlib/math/base/special/rempio2f' ); var kernelCosf = require( './../lib' ); // FIXTURES // var smallRange = require( './fixtures/julia/small_range.json' ); +var largePositive = require( './fixtures/julia/large_positive.json' ); +var largeNegative = require( './fixtures/julia/large_negative.json' ); // TESTS // @@ -43,32 +44,87 @@ tape( 'main export is a function', function test( t ) { tape( 'the function returns `NaN` if provided `NaN`', function test( t ) { var v = kernelCosf( NaN ); - t.equal( isnan( v ), true, 'returns expected value' ); + t.equal( isnanf( v ), true, 'returns expected value' ); t.end(); }); tape( 'the function evaluates the cosine for input values on the interval `[-pi/4, pi/4]`', function test( t ) { var expected; var values; - var delta; - var tol; - var y; - var e; + var out; var x; var i; values = smallRange.x; expected = smallRange.expected; for ( i = 0; i < values.length; i++ ) { - x = values[ i ]; - y = kernelCosf( x ); - e = float64ToFloat32( expected[ i ] ); - if ( y === e ) { - t.equal( y, e, 'x: '+x+'. E: '+e ); - } else { - delta = absf( y - e ); - tol = 1.0 * EPS * absf( e ); - t.ok( delta <= tol, 'within tolerance. x: '+x+'. y: '+y+'. E: '+e+'. tol: '+tol+'. Δ: '+delta+'.' ); + x = f32( values[ i ] ); + expected[ i ] = f32( expected[ i ] ); + out = kernelCosf( x ); + t.strictEqual( out, expected[ i ], 'returns expected value' ); + } + t.end(); +}); + +tape( 'the function can be used to compute the cosine for input values outside of `[-pi/4, pi/4]` after argument reduction via `rempio2f` (positive)', function test( t ) { + var expected; + var values; + var out; + var x; + var y; + var n; + var i; + + values = largePositive.x; + expected = largePositive.expected; + y = [ 0.0 ]; + for ( i = 0; i < values.length; i++ ) { + x = f32( values[ i ] ); + expected[ i ] = f32( expected[ i ] ); + n = rempio2f( x, y ); + switch ( n & 3 ) { + case 0: + out = kernelCosf( y[ 0 ] ); + t.strictEqual( out, expected[ i ], 'returns expected value' ); + break; + case 2: + out = -kernelCosf( y[ 0 ] ); + t.strictEqual( out, expected[ i ], 'returns expected value' ); + break; + default: + break; + } + } + t.end(); +}); + +tape( 'the function can be used to compute the cosine for input values outside of `[-pi/4, pi/4]` after argument reduction via `rempio2f` (negative)', function test( t ) { + var expected; + var values; + var out; + var x; + var y; + var n; + var i; + + values = largeNegative.x; + expected = largeNegative.expected; + y = [ 0.0 ]; + for ( i = 0; i < values.length; i++ ) { + x = f32( values[ i ] ); + expected[ i ] = f32( expected[ i ] ); + n = rempio2f( x, y ); + switch ( n & 3 ) { + case 0: + out = kernelCosf( y[ 0 ] ); + t.strictEqual( out, expected[ i ], 'returns expected value' ); + break; + case 2: + out = -kernelCosf( y[ 0 ] ); + t.strictEqual( out, expected[ i ], 'returns expected value' ); + break; + default: + break; } } t.end(); diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/test.native.js b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/test.native.js index 49f1b2287fa6..9afe187ad0d2 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/test.native.js +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/test.native.js @@ -22,10 +22,9 @@ var resolve = require( 'path' ).resolve; var tape = require( 'tape' ); -var isnan = require( '@stdlib/math/base/assert/is-nan' ); -var float64ToFloat32 = require( '@stdlib/number/float64/base/to-float32' ); -var absf = require( '@stdlib/math/base/special/absf' ); -var EPS = require( '@stdlib/constants/float32/eps' ); +var isnanf = require( '@stdlib/math/base/assert/is-nanf' ); +var f32 = require( '@stdlib/number/float64/base/to-float32' ); +var rempio2f = require( '@stdlib/math/base/special/rempio2f' ); var tryRequire = require( '@stdlib/utils/try-require' ); @@ -40,6 +39,8 @@ var opts = { // FIXTURES // var smallRange = require( './fixtures/julia/small_range.json' ); +var largePositive = require( './fixtures/julia/large_positive.json' ); +var largeNegative = require( './fixtures/julia/large_negative.json' ); // TESTS // @@ -52,32 +53,87 @@ tape( 'main export is a function', opts, function test( t ) { tape( 'the function returns `NaN` if provided `NaN`', opts, function test( t ) { var v = kernelCosf( NaN ); - t.equal( isnan( v ), true, 'returns expected value' ); + t.equal( isnanf( v ), true, 'returns expected value' ); t.end(); }); tape( 'the function evaluates the cosine for input values on the interval `[-pi/4, pi/4]`', opts, function test( t ) { var expected; var values; - var delta; - var tol; - var y; - var e; + var out; var x; var i; values = smallRange.x; expected = smallRange.expected; for ( i = 0; i < values.length; i++ ) { - x = values[ i ]; - y = kernelCosf( x ); - e = float64ToFloat32( expected[ i ] ); - if ( y === e ) { - t.equal( y, e, 'x: '+x+'. E: '+e ); - } else { - delta = absf( y - e ); - tol = 1.0 * EPS * absf( e ); - t.ok( delta <= tol, 'within tolerance. x: '+x+'. y: '+y+'. E: '+e+'. tol: '+tol+'. Δ: '+delta+'.' ); + x = f32( values[ i ] ); + expected[ i ] = f32( expected[ i ] ); + out = kernelCosf( x ); + t.strictEqual( out, expected[ i ], 'returns expected value' ); + } + t.end(); +}); + +tape( 'the function can be used to compute the cosine for input values outside of `[-pi/4, pi/4]` after argument reduction via `rempio2f` (positive)', opts, function test( t ) { + var expected; + var values; + var out; + var x; + var y; + var n; + var i; + + values = largePositive.x; + expected = largePositive.expected; + y = [ 0.0 ]; + for ( i = 0; i < values.length; i++ ) { + x = f32( values[ i ] ); + expected[ i ] = f32( expected[ i ] ); + n = rempio2f( x, y ); + switch ( n & 3 ) { + case 0: + out = kernelCosf( y[ 0 ] ); + t.strictEqual( out, expected[ i ], 'returns expected value' ); + break; + case 2: + out = -kernelCosf( y[ 0 ] ); + t.strictEqual( out, expected[ i ], 'returns expected value' ); + break; + default: + break; + } + } + t.end(); +}); + +tape( 'the function can be used to compute the cosine for input values outside of `[-pi/4, pi/4]` after argument reduction via `rempio2f` (negative)', opts, function test( t ) { + var expected; + var values; + var out; + var x; + var y; + var n; + var i; + + values = largeNegative.x; + expected = largeNegative.expected; + y = [ 0.0 ]; + for ( i = 0; i < values.length; i++ ) { + x = f32( values[ i ] ); + expected[ i ] = f32( expected[ i ] ); + n = rempio2f( x, y ); + switch ( n & 3 ) { + case 0: + out = kernelCosf( y[ 0 ] ); + t.strictEqual( out, expected[ i ], 'returns expected value' ); + break; + case 2: + out = -kernelCosf( y[ 0 ] ); + t.strictEqual( out, expected[ i ], 'returns expected value' ); + break; + default: + break; } } t.end(); From 3cd40dcfb2aae141645023a02d16be1b99c9c675 Mon Sep 17 00:00:00 2001 From: Karan Anand Date: Tue, 3 Jun 2025 17:21:39 -0700 Subject: [PATCH 07/10] fix: revert changes in unrelated files --- type: pre_commit_static_analysis_report description: Results of running static analysis checks when committing changes. report: - task: lint_filenames status: passed - task: lint_editorconfig status: passed - task: lint_markdown status: na - task: lint_package_json status: na - task: lint_repl_help status: na - task: lint_javascript_src status: na - task: lint_javascript_cli status: na - task: lint_javascript_examples status: na - task: lint_javascript_tests status: na - task: lint_javascript_benchmarks status: na - task: lint_python status: na - task: lint_r status: na - task: lint_c_src status: passed - task: lint_c_examples status: na - task: lint_c_benchmarks status: na - task: lint_c_tests_fixtures status: na - task: lint_shell status: na - task: lint_typescript_declarations status: na - task: lint_typescript_tests status: na - task: lint_license_headers status: passed --- --- .../math/base/special/kernel-cos/src/main.c | 37 ------------------- 1 file changed, 37 deletions(-) diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cos/src/main.c b/lib/node_modules/@stdlib/math/base/special/kernel-cos/src/main.c index bea72e24c4a3..a826b2e34d30 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cos/src/main.c +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cos/src/main.c @@ -145,40 +145,3 @@ double stdlib_base_kernel_cos( const double x, const double y ) { w = 1.0 - hz; return w + ( ((1.0-w) - hz) + ((z*r) - (x*y)) ); } -// BEGIN: polyval_c01 - -/** -* Evaluates a polynomial. -* -* ## Notes -* -* - The implementation uses [Horner's rule][horners-method] for efficient computation. -* -* [horners-method]: https://en.wikipedia.org/wiki/Horner%27s_method -* -* @param x value at which to evaluate the polynomial -* @return evaluated polynomial -*/ -static float polyval_c01( const float x ) { - return -0.499999997251031f + (x * 0.04166662332373906f); -} - -// END: polyval_c01// BEGIN: polyval_c23 - -/** -* Evaluates a polynomial. -* -* ## Notes -* -* - The implementation uses [Horner's rule][horners-method] for efficient computation. -* -* [horners-method]: https://en.wikipedia.org/wiki/Horner%27s_method -* -* @param x value at which to evaluate the polynomial -* @return evaluated polynomial -*/ -static float polyval_c23( const float x ) { - return -0.001388676377460993f + (x * 0.00002439044879627741f); -} - -// END: polyval_c23 \ No newline at end of file From b096d0b53e32babce094c43e493058b9ae05d880 Mon Sep 17 00:00:00 2001 From: Karan Anand <119553199+anandkaranubc@users.noreply.github.com> Date: Tue, 3 Jun 2025 17:32:31 -0700 Subject: [PATCH 08/10] Update evalpoly.js Signed-off-by: Karan Anand <119553199+anandkaranubc@users.noreply.github.com> --- .../@stdlib/math/base/special/kernel-cosf/scripts/evalpoly.js | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/scripts/evalpoly.js b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/scripts/evalpoly.js index 4a60e3714501..783f06bb743d 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/scripts/evalpoly.js +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/scripts/evalpoly.js @@ -39,7 +39,7 @@ var compileC = require( '@stdlib/math/base/tools/evalpoly-compile-c' ); // Polynomial coefficients ordered in ascending degree... var C23 = [ - -0.00138867637746099294692, // -0x16c087e80f1e27.0p-62 + -0.00138867637746099294692, // -0x16c087e80f1e27.0p-62 0.0000243904487962774090654 // 0x199342e0ee5069.0p-68 ]; From 945e92b1a7b8408f23200616e760a485fe634f18 Mon Sep 17 00:00:00 2001 From: Karan Anand Date: Tue, 3 Jun 2025 19:38:46 -0700 Subject: [PATCH 09/10] chore: apply suggestions from review --- type: pre_commit_static_analysis_report description: Results of running static analysis checks when committing changes. report: - task: lint_filenames status: passed - task: lint_editorconfig status: passed - task: lint_markdown status: passed - task: lint_package_json status: passed - task: lint_repl_help status: passed - task: lint_javascript_src status: passed - task: lint_javascript_cli status: na - task: lint_javascript_examples status: na - task: lint_javascript_tests status: na - task: lint_javascript_benchmarks status: na - task: lint_python status: na - task: lint_r status: na - task: lint_c_src status: passed - task: lint_c_examples status: passed - task: lint_c_benchmarks status: na - task: lint_c_tests_fixtures status: na - task: lint_shell status: na - task: lint_typescript_declarations status: passed - task: lint_typescript_tests status: na - task: lint_license_headers status: passed --- --- .../@stdlib/math/base/special/kernel-cosf/README.md | 10 +++++----- .../math/base/special/kernel-cosf/docs/repl.txt | 4 ++-- .../base/special/kernel-cosf/docs/types/index.d.ts | 6 +----- .../math/base/special/kernel-cosf/examples/c/example.c | 2 +- .../include/stdlib/math/base/special/kernel_cosf.h | 2 +- .../@stdlib/math/base/special/kernel-cosf/lib/index.js | 2 +- .../@stdlib/math/base/special/kernel-cosf/lib/main.js | 2 +- .../math/base/special/kernel-cosf/lib/native.js | 2 +- .../@stdlib/math/base/special/kernel-cosf/package.json | 2 +- .../@stdlib/math/base/special/kernel-cosf/src/main.c | 2 +- 10 files changed, 15 insertions(+), 19 deletions(-) diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/README.md b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/README.md index a5a949ec120d..a6e63612404d 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/README.md +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/README.md @@ -20,7 +20,7 @@ limitations under the License. # kernelCosf -> Compute the [cosine][cosine] of a single-precision floating-point number on `[-π/4, π/4]`. +> Compute the [cosine][cosine] of a number on `[-π/4, π/4]` in single-precision floating-point format.
@@ -32,7 +32,7 @@ var kernelCosf = require( '@stdlib/math/base/special/kernel-cosf' ); #### kernelCosf( x ) -Computes the [cosine][cosine] of a single-precision floating-point number on `[-π/4, π/4]`. +Computes the [cosine][cosine] of a number on `[-π/4, π/4]` in single-precision floating-point format. ```javascript var v = kernelCosf( 0.0 ); @@ -101,11 +101,11 @@ logEachMap( 'kernelCosf(%0.4f) = %0.4f', x, kernelCosf ); #### stdlib_base_kernel_cosf( x ) -Computes the [cosine][cosine] of a single-precision floating-point number on `[-π/4, π/4]`. +Computes the [cosine][cosine] of a number on `[-π/4, π/4]` in single-precision floating-point format. ```c float v = stdlib_base_kernel_cosf( 0.0 ); -// returns ~0.0f +// returns ~1.0f v = stdlib_base_kernel_cosf( 3.141592653589793/6.0 ); // returns ~0.866f @@ -148,7 +148,7 @@ int main( void ) { int i; for ( i = 0; i < 10; i++ ) { out = stdlib_base_kernel_cosf( x[ i ] ); - printf ( "x[ i ]: %lf, out: %f\n", x[ i ], out ); + printf( "kernelCosf(%lf) = %f\n", x[ i ], out ); } } ``` diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/repl.txt b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/repl.txt index 6a5f01d35a35..0c54355b1116 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/repl.txt +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/repl.txt @@ -1,7 +1,7 @@ {{alias}}( x ) - Computes the cosine of a single-precision floating-point number on the - interval [-π/4, π/4]. + Computes the cosine of a number on the interval [-π/4, π/4] in + single-precision floating-point format. If provided `NaN`, the function returns `NaN`. diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/types/index.d.ts b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/types/index.d.ts index c95029d51276..ef005368bd1a 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/types/index.d.ts +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/types/index.d.ts @@ -19,11 +19,7 @@ // TypeScript Version: 4.1 /** -* Computes the cosine of a single-precision floating-point number on \\( \[-\pi/4, \pi/4] \\), where \\( \pi/4 \approx 0.785398164 \\). -* -* ## Notes -* -* - \\( | \cos(x) - c(x) | < 2^{-34.1} \\), where \\( 2^{-34.1} \approx \[ -5.37 \times 10^{-11}, 5.295 \times 10^{-11} \] \\). +* Computes the cosine of a number on \\( \[-\pi/4, \pi/4] \\) in single-precision floating-point format, where \\( \pi/4 \approx 0.785398164 \\). * * @param x - input value (in radians, assumed to be bounded by ~pi/4 in magnitude) * @returns cosine diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/c/example.c b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/c/example.c index 2373fc777f36..ad9192a3baaa 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/c/example.c +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/c/example.c @@ -27,6 +27,6 @@ int main( void ) { int i; for ( i = 0; i < 10; i++ ) { out = stdlib_base_kernel_cosf( x[ i ] ); - printf ( "x[ i ]: %lf, out: %f\n", x[ i ], out ); + printf( "kernelCosf(%lf) = %f\n", x[ i ], out ); } } diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/include/stdlib/math/base/special/kernel_cosf.h b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/include/stdlib/math/base/special/kernel_cosf.h index 7fb1040535c5..b055da0cbac8 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/include/stdlib/math/base/special/kernel_cosf.h +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/include/stdlib/math/base/special/kernel_cosf.h @@ -27,7 +27,7 @@ extern "C" { #endif /** -* Computes the cosine of a single-precision floating-point number on [-π/4, π/4]. +* Computes the cosine of a number on [-π/4, π/4] in single-precision floating-point format. */ float stdlib_base_kernel_cosf( const double x ); diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/index.js b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/index.js index 11efa17f2062..beef0ae7d793 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/index.js +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/index.js @@ -19,7 +19,7 @@ 'use strict'; /** -* Compute the cosine of a single-precision floating-point number on `[-π/4, π/4]`. +* Compute the cosine of a number on `[-π/4, π/4]` in single-precision floating-point format. * * @module @stdlib/math/base/special/kernel-cosf * diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/main.js b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/main.js index 1eb73925c6eb..9a3977c7dd8f 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/main.js +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/main.js @@ -47,7 +47,7 @@ var C1 = 0.0416666233237390631894; // 0x155553e1053a42.0p-57 // MAIN // /** -* Computes the cosine of a single-precision floating-point number on \\( \[-\pi/4, \pi/4] \\), where \\( \pi/4 \approx 0.785398164 \\). +* Computes the cosine of a number on \\( \[-\pi/4, \pi/4] \\) in single-precision floating-point format, where \\( \pi/4 \approx 0.785398164 \\). * * ## Notes * diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/native.js b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/native.js index ffd79cb8b513..5ca46804340f 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/native.js +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/lib/native.js @@ -26,7 +26,7 @@ var addon = require( './../src/addon.node' ); // MAIN // /** -* Computes the cosine of a single-precision floating-point number on \\( \[-\pi/4, \pi/4] \\), where \\( \pi/4 \approx 0.785398164 \\). +* Computes the cosine of a number on \\( \[-\pi/4, \pi/4] \\) in single-precision floating-point format, where \\( \pi/4 \approx 0.785398164 \\). * * @private * @param {number} x - input value (in radians, assumed to be bounded by ~pi/4 in magnitude) diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/package.json b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/package.json index b48f46b93001..d1f429c3bbc1 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/package.json +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/package.json @@ -1,7 +1,7 @@ { "name": "@stdlib/math/base/special/kernel-cosf", "version": "0.0.0", - "description": "Compute the cosine of a single-precision floating-point number on [-π/4, π/4].", + "description": "Compute the cosine of a number on [-π/4, π/4] in single-precision floating-point format.", "license": "Apache-2.0", "author": { "name": "The Stdlib Authors", diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/main.c b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/main.c index f0ed5e1608e4..621304f11fda 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/main.c +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/main.c @@ -58,7 +58,7 @@ static double polyval_c23( const double x ) { // END: polyval_c23 /** -* Computes the cosine of a single-precision floating-point number on \\( \[-\pi/4, \pi/4] \\), where \\( \pi/4 \approx 0.785398164 \\). +* Computes the cosine of a number on \\( \[-\pi/4, \pi/4] \\) in single-precision floating-point format, where \\( \pi/4 \approx 0.785398164 \\). * * ## Notes * From ca0a95da8d1947be0a8da403e0b7189e89e7bd0c Mon Sep 17 00:00:00 2001 From: Karan Anand Date: Tue, 3 Jun 2025 19:40:54 -0700 Subject: [PATCH 10/10] chore: remove line break --- type: pre_commit_static_analysis_report description: Results of running static analysis checks when committing changes. report: - task: lint_filenames status: passed - task: lint_editorconfig status: passed - task: lint_markdown status: na - task: lint_package_json status: na - task: lint_repl_help status: na - task: lint_javascript_src status: na - task: lint_javascript_cli status: na - task: lint_javascript_examples status: na - task: lint_javascript_tests status: na - task: lint_javascript_benchmarks status: na - task: lint_python status: na - task: lint_r status: na - task: lint_c_src status: na - task: lint_c_examples status: passed - task: lint_c_benchmarks status: na - task: lint_c_tests_fixtures status: na - task: lint_shell status: na - task: lint_typescript_declarations status: na - task: lint_typescript_tests status: na - task: lint_license_headers status: passed --- --- .../@stdlib/math/base/special/kernel-cosf/examples/c/example.c | 1 - 1 file changed, 1 deletion(-) diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/c/example.c b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/c/example.c index ad9192a3baaa..172b63059c2d 100644 --- a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/c/example.c +++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/c/example.c @@ -16,7 +16,6 @@ * limitations under the License. */ - #include "stdlib/math/base/special/kernel_cosf.h" #include