* numeric.c (flo_is_finite_p): use finite() if available.

* win32/win32.h (isinf, isnan): define as macro.
  [ruby-win32:00533]

* bcc32/Makefile.sub, win32/Makefile.sub: no longer use
  missing/isinf.c, missing/isnan.c.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3708 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 6 insertions, 1 deletions

diff --git a/numeric.c b/numeric.c
index e77c09faaf..8a76b8f1a1 100644
--- a/numeric.c
+++ b/numeric.c
@@ -758,9 +758,14 @@ flo_is_finite_p(num)
 {     
     double value = RFLOAT(num)->value;
 
+#if HAVE_FINITE
+    if (!finite(value))
+	return Qfalse;
+#else
     if (isinf(value) || isnan(value))
 	return Qfalse;
-  
+#endif
+
     return Qtrue;
 }