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Fix #5524. Use finfo.max instead of np.inf #5534

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tacaswell merged 2 commits into from
Nov 22, 2015
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Fix #5524. Use finfo.max instead of np.inf #5534

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Fix #5524. Use finfo.max instead of np.inf
mdboom Nov 20, 2015
5428cea
Use vmin/vmax offset by eps
mdboom Nov 20, 2015
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5 changes: 3 additions & 2 deletions lib/matplotlib/contour.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1231,10 +1231,11 @@ def _process_levels(self):
self.layers = 0.5 * (self._levels[:-1] + self._levels[1:])
# ...except that extended layers must be outside the
# normed range:
finfo = np.finfo(float)
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@tacaswell tacaswell Nov 20, 2015

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iirc, this can be a major time sink

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@mdboom mdboom Nov 20, 2015

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Yeah. In this case, I don't think it's in a hot path, though.

if self.extend in ('both', 'min'):
self.layers[0] = -np.inf
self.layers[0] = self.vmin - finfo.eps
if self.extend in ('both', 'max'):
self.layers[-1] = np.inf
self.layers[-1] = self.vmax + finfo.eps

def _process_colors(self):
"""
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