Fix typo in rotate [skip ci]

trananso · trananso · commit 4ea7cce28559 · 2024-04-18T22:17:21.000-04:00
diff --git a/lib/matplotlib/tests/test_transforms.py b/lib/matplotlib/tests/test_transforms.py
@@ -464,11 +464,6 @@ def test_rotate_around(self):
         # assert_array_almost_equal(r270.transform(self.multiple_points),
         #                           [[2, 2], [3, -1], [0, -2]])
 
-        # raise TypeError(np.array_str((r90[2]+r90[2]).get_matrix(),
-        #                precision=2, suppress_small=True))
-        # raise TypeError(np.array_str(r180[2].get_matrix(),
-        #                              precision=2, suppress_small=True))
-
         for dim in range(3):
             assert_array_almost_equal(
                 (r90[dim] + r90[dim]).get_matrix(), r180[dim].get_matrix())
diff --git a/lib/matplotlib/transforms.py b/lib/matplotlib/transforms.py
@@ -2301,7 +2301,7 @@ def rotate(self, theta, dim=0):
             mtx[0, 0] = (a * xx) - (b * yx)
             mtx[0, 1] = (a * xy) - (b * yy)
             mtx[0, 2] = (a * xz) - (b * yz)
-            mtx[0, 3] = (a * x0) + (b * y0)
+            mtx[0, 3] = (a * x0) - (b * y0)
             mtx[1, 0] = (b * xx) + (a * yx)
             mtx[1, 1] = (b * xy) + (a * yy)
             mtx[1, 2] = (b * xz) + (a * yz)
