Merged revisions 68311 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/trunk

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  r68311 | mark.dickinson | 2009-01-04 19:53:00 +0000 (Sun, 04 Jan 2009) | 2 lines

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