use math indest np for scalars

Tillsten · Tillsten · commit 17fc9e196a56 · 2020-04-17T15:30:50.000+02:00
diff --git a/lib/matplotlib/transforms.py b/lib/matplotlib/transforms.py
@@ -1914,8 +1914,8 @@ def rotate(self, theta):
         calls to :meth:`rotate`, :meth:`rotate_deg`, :meth:`translate`
         and :meth:`scale`.
         """
-        a = np.cos(theta)
-        b = np.sin(theta)
+        a = math.cos(theta)
+        b = math.sin(theta)
         rotate_mtx = np.array([[a, -b, 0.0], [b, a, 0.0], [0.0, 0.0, 1.0]],
                               float)
         self._mtx = np.dot(rotate_mtx, self._mtx)
@@ -1930,7 +1930,7 @@ def rotate_deg(self, degrees):
         calls to :meth:`rotate`, :meth:`rotate_deg`, :meth:`translate`
         and :meth:`scale`.
         """
-        return self.rotate(np.deg2rad(degrees))
+        return self.rotate(math.radians(degrees))
 
     def rotate_around(self, x, y, theta):
         """
@@ -2002,8 +2002,8 @@ def skew(self, xShear, yShear):
         calls to :meth:`rotate`, :meth:`rotate_deg`, :meth:`translate`
         and :meth:`scale`.
         """
-        rotX = np.tan(xShear)
-        rotY = np.tan(yShear)
+        rotX = math.tan(xShear)
+        rotY = math.tan(yShear)
         skew_mtx = np.array(
             [[1.0, rotX, 0.0], [rotY, 1.0, 0.0], [0.0, 0.0, 1.0]], float)
         self._mtx = np.dot(skew_mtx, self._mtx)
@@ -2021,7 +2021,7 @@ def skew_deg(self, xShear, yShear):
         calls to :meth:`rotate`, :meth:`rotate_deg`, :meth:`translate`
         and :meth:`scale`.
         """
-        return self.skew(np.deg2rad(xShear), np.deg2rad(yShear))
+        return self.skew(math.radians(xShear), math.radians(yShear))
 
 
 class IdentityTransform(Affine2DBase):
