use safe isnan for rec2gtk

jdh2358 · jdh2358 · commit b557ba8564d5 · 2010-08-03T21:36:37.000Z
svn path=/trunk/matplotlib/; revision=8619
diff --git a/lib/mpl_toolkits/gtktools.py b/lib/mpl_toolkits/gtktools.py
@@ -158,7 +158,7 @@ def __call__(self, column):
                     val = model.get_value(thisiter, self.i)
                     try: val = float(val.strip().rstrip('%'))
                     except ValueError: pass
-                    if npy.isnan(val): val = npy.inf # force nan to sort uniquely
+                    if mlab.safe_isnan(val): val = npy.inf # force nan to sort uniquely
                     dsu.append((val, rownum))
                 dsu.sort()
                 if not self.num%2: dsu.reverse()
