FIX

Author: jklymak

lib/matplotlib/path.py

@@ -993,6 +993,7 @@ def arc(cls, theta1, theta2, n=None, is_wedge=False, wrap=True):
         if wrap:
             # Wrap theta2 to 0-360 degrees from theta1.
             eta2 = np.mod(theta2 - theta1, 360.0) + theta1
+            print('Eta1, Eta20', eta1, eta2)
             # Ensure 360-deg range is not flattened to 0 due to floating-point
             # errors, but don't try to expand existing 0 range.
             if theta2 != theta1 and eta2 <= eta1:
@@ -1004,10 +1005,11 @@ def arc(cls, theta1, theta2, n=None, is_wedge=False, wrap=True):
 
         # number of curve segments to make
         if n is None:
-            if np.abs(eta2 - eta1) <= 2 * np.pi + 1e-12:
+            if np.abs(eta2 - eta1) <= 2.2 * np.pi:
                 # this doesn't need to grow exponentially, but we have left
                 # this way for back compatibility
                 n = int(2 ** np.ceil(2 * np.abs(eta2 - eta1) / np.pi))
+                print('Here')
             else:
                 # this will not grow exponentially if we allow wrapping arcs:
                 n = int(2 * np.ceil(2 * np.abs(eta2 - eta1) / np.pi))

lib/matplotlib/tests/test_path.py

@@ -486,7 +486,7 @@ def test_arc_close360():
     #ax[0].set_title("arc(-90-1e-14, 270), should be a circle")
     ax[1].add_patch(patches.PathPatch(Path.arc(theta1=-90, theta2=270)))
     #ax[1].set_title("arc(-90, 270), is a circle")
-    ax[2].add_patch(patches.PathPatch(Path.arc(theta1=-90, theta2=-90 - 1e-14)))
+    ax[2].add_patch(patches.PathPatch(Path.arc(theta1=-90 - 1e-14, theta2=-90)))
     #ax[2].set_title("arc(-90, -90-1e-14), should not be a circle")
     for a in ax:
         a.set_xlim(-1, 1)