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⚡️ Speed up method InvertedPolarTransform.inverted by 9% #256

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⚡️ Speed up method InvertedPolarTransform.inverted by 9% #256

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11 changes: 8 additions & 3 deletions lib/matplotlib/projections/polar.py
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Original file line number Diff line number Diff line change
Expand Up @@ -254,9 +254,14 @@ def transform_non_affine(self, values):

def inverted(self):
# docstring inherited
return PolarAxes.PolarTransform(
self._axis, self._use_rmin,
apply_theta_transforms=self._apply_theta_transforms
# Cache local variables to avoid repeated attribute/dict lookups in tight loops
axis = self._axis
use_rmin = self._use_rmin
apply_theta_transforms = self._apply_theta_transforms
PolarTransform = PolarAxes.PolarTransform # localize attribute lookup
return PolarTransform(
axis, use_rmin,
apply_theta_transforms=apply_theta_transforms
)


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