Fix #5524: Use large, but finite, values

mdboom · mdboom · commit a9ca4b70f470 · 2015-11-23T08:54:46.000-05:00
for contour extensions
diff --git a/lib/matplotlib/contour.py b/lib/matplotlib/contour.py
@@ -1232,9 +1232,9 @@ def _process_levels(self):
         # ...except that extended layers must be outside the
         # normed range:
         if self.extend in ('both', 'min'):
-            self.layers[0] = -np.inf
+            self.layers[0] = -1e150
         if self.extend in ('both', 'max'):
-            self.layers[-1] = np.inf
+            self.layers[-1] = 1e150
 
     def _process_colors(self):
         """
