From 7efb3f195fd81d0215d7113e51cf917fb8fafc89 Mon Sep 17 00:00:00 2001
From: Matt Haberland <mhaberla@calpoly.edu>
Date: Sat, 21 Sep 2024 12:44:34 -0700
Subject: [PATCH 1/3] Add subscript in sign definition

---
 src/array_api_stubs/_draft/elementwise_functions.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/array_api_stubs/_draft/elementwise_functions.py b/src/array_api_stubs/_draft/elementwise_functions.py
index 78a76b37d..3f4c08898 100644
--- a/src/array_api_stubs/_draft/elementwise_functions.py
+++ b/src/array_api_stubs/_draft/elementwise_functions.py
@@ -2389,7 +2389,7 @@ def sign(x: array, /) -> array:
     .. math::
        \operatorname{sign}(x_i) = \begin{cases}
        0 & \textrm{if } x_i = 0 \\
-       \frac{x}{|x|} & \textrm{otherwise}
+       \frac{x_i}{|x_i|} & \textrm{otherwise}
        \end{cases}
 
     where :math:`|x_i|` is the absolute value of :math:`x_i`.

From d1e1f2d5b9abef20c8693e2ee94f8b1525e0bc89 Mon Sep 17 00:00:00 2001
From: Matt Haberland <mhaberla@calpoly.edu>
Date: Sat, 21 Sep 2024 15:40:04 -0700
Subject: [PATCH 2/3] Update elementwise_functions.py

---
 src/array_api_stubs/_2023_12/elementwise_functions.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/array_api_stubs/_2023_12/elementwise_functions.py b/src/array_api_stubs/_2023_12/elementwise_functions.py
index 4739ab674..251a770d6 100644
--- a/src/array_api_stubs/_2023_12/elementwise_functions.py
+++ b/src/array_api_stubs/_2023_12/elementwise_functions.py
@@ -2335,7 +2335,7 @@ def sign(x: array, /) -> array:
     .. math::
        \operatorname{sign}(x_i) = \begin{cases}
        0 & \textrm{if } x_i = 0 \\
-       \frac{x}{|x|} & \textrm{otherwise}
+       \frac{x_i}{|x_i|} & \textrm{otherwise}
        \end{cases}
 
     where :math:`|x_i|` is the absolute value of :math:`x_i`.

From e3697b6ad7ee0d5f35a31746c6905d7cfddf8a64 Mon Sep 17 00:00:00 2001
From: Matt Haberland <mhaberla@calpoly.edu>
Date: Sat, 21 Sep 2024 15:40:26 -0700
Subject: [PATCH 3/3] Update elementwise_functions.py

---
 src/array_api_stubs/_2022_12/elementwise_functions.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/array_api_stubs/_2022_12/elementwise_functions.py b/src/array_api_stubs/_2022_12/elementwise_functions.py
index 9139612e8..fe0f5f2b1 100644
--- a/src/array_api_stubs/_2022_12/elementwise_functions.py
+++ b/src/array_api_stubs/_2022_12/elementwise_functions.py
@@ -2065,7 +2065,7 @@ def sign(x: array, /) -> array:
     .. math::
        \operatorname{sign}(x_i) = \begin{cases}
        0 & \textrm{if } x_i = 0 \\
-       \frac{x}{|x|} & \textrm{otherwise}
+       \frac{x_i}{|x_i|} & \textrm{otherwise}
        \end{cases}
 
     where :math:`|x_i|` is the absolute value of :math:`x_i`.