use cross-platform <double>NAN

jreback · jreback · commit ed234c541726 · 2015-05-22T16:52:34.000-04:00
diff --git a/pandas/src/generate_code.py b/pandas/src/generate_code.py
@@ -22,7 +22,9 @@
                       PyTuple_New)
 from cpython cimport PyFloat_Check
 cimport cpython
-cdef double NAN = <double> np.nan
+
+cdef extern from "numpy/npy_math.h":
+    double NAN "NPY_NAN"
 
 import numpy as np
 isnan = np.isnan
