Use C99 'isfinite' macro in preference to BSD-derived 'finite' function.

diff --git a/Include/pymath.h b/Include/pymath.h
index ca84dd93e3961eaecd022be5fadc9a89423d4d7f..0631b931e1837554fd49fa415fbf7d1d0d5bd6be 100644 (file)
--- a/Include/pymath.h
+++ b/Include/pymath.h
@@ -118,7 +118,9 @@ extern double copysign(double, double);
  * Note: PC/pyconfig.h defines Py_IS_FINITE as _finite
  */
 #ifndef Py_IS_FINITE
-#ifdef HAVE_FINITE
+#if defined HAVE_DECL_ISFINITE && HAVE_DECL_ISFINITE == 1
+#define Py_IS_FINITE(X) isfinite(X)
+#elif defined HAVE_FINITE
 #define Py_IS_FINITE(X) finite(X)
 #else
 #define Py_IS_FINITE(X) (!Py_IS_INFINITY(X) && !Py_IS_NAN(X))