diff options
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | missing/isinf.c | 7 |
2 files changed, 11 insertions, 0 deletions
@@ -1,3 +1,7 @@ +Wed Nov 14 01:52:59 2007 Tanaka Akira <akr@fsij.org> + + * missing/isinf.c (isinf): don't define is the macro is defined. + Wed Nov 14 01:34:42 2007 Nobuyoshi Nakada <nobu@ruby-lang.org> * numeric.c (round): fallback definition. diff --git a/missing/isinf.c b/missing/isinf.c index e44ef6c3c1..c9e49c6795 100644 --- a/missing/isinf.c +++ b/missing/isinf.c @@ -28,12 +28,19 @@ isinf(n) #include <ieeefp.h> #endif +/* + * isinf may be provided only as a macro. + * ex. HP-UX, Solaris 10 + * http://www.gnu.org/software/automake/manual/autoconf/Function-Portability.html + */ +#ifndef isinf int isinf(n) double n; { return (!finite(n) && !isnan(n)); } +#endif #else |