--- Include/pymath.h.orig	2014-04-07 11:37:25.020764146 +0200
+++ Include/pymath.h	2014-04-07 11:44:08.022075373 +0200
@@ -152,7 +152,11 @@
  * doesn't support NaNs.
  */
 #if !defined(Py_NAN) && !defined(Py_NO_NAN)
-#define Py_NAN (Py_HUGE_VAL * 0.)
+# ifndef __INTEL_COMPILER
+#  define Py_NAN (Py_HUGE_VAL * 0.)
+# else /* icc miscompiles Py_HUGE_VAL * 0. into 0.0 */
+#  define Py_NAN (Py_HUGE_VAL / Py_HUGE_VAL)
+# endif
 #endif
 
 /* Py_OVERFLOWED(X)