diff options
| author | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2007-11-13 16:54:27 +0000 |
|---|---|---|
| committer | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2007-11-13 16:54:27 +0000 |
| commit | 093fe3b839b9d3c5890e0d31faaefcce5d8acf7c (patch) | |
| tree | 1d4886012d5de5851aa97f47dd8e9bb5161e1128 /missing/isinf.c | |
| parent | fd3ef45a423675e71b22952b59963058039063a6 (diff) | |
* missing/isinf.c (isinf): don't define is the macro is defined.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13915 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'missing/isinf.c')
| -rw-r--r-- | missing/isinf.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/missing/isinf.c b/missing/isinf.c index eecb3eb498..4aef51b213 100644 --- a/missing/isinf.c +++ b/missing/isinf.c @@ -27,11 +27,18 @@ isinf(double 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(double n) { return (!finite(n) && !isnan(n)); } +#endif #else |