Numpy has isfinite, unlike the old numerix

jkseppan · jkseppan · commit e7405883e913 · 2007-07-26T21:13:58.000Z
svn path=/trunk/matplotlib/; revision=3622
diff --git a/lib/matplotlib/backends/backend_pdf.py b/lib/matplotlib/backends/backend_pdf.py
@@ -112,7 +112,7 @@ def pdfRepr(obj):
     # need to use %f with some precision.  Perhaps the precision
     # should adapt to the magnitude of the number?
     elif isinstance(obj, float):
-        if npy.isnan(obj) or obj in (-npy.inf, npy.inf):
+        if not npy.isfinite(obj):
             raise ValueError, "Can only output finite numbers in PDF"
         r = "%.10f" % obj
         return r.rstrip('0').rstrip('.')
