diff options
Diffstat (limited to 'missing/isinf.c')
-rw-r--r-- | missing/isinf.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/missing/isinf.c b/missing/isinf.c index 3e1e410455..e0cd6ac1a2 100644 --- a/missing/isinf.c +++ b/missing/isinf.c @@ -1,3 +1,21 @@ +#ifdef __osf__ + +#define _IEEE 1 +#include <nan.h> + +int +isinf(n) + double n; +{ + if (IsNANorINF(n) && IsINF(n)) { + return 1; + } else { + return 0; + } +} + +#else + #include "config.h" #ifdef HAVE_STRING_H # include <string.h> @@ -23,3 +41,4 @@ isinf(n) return memcmp(&n, &pinf, sizeof n) == 0 || memcmp(&n, &ninf, sizeof n) == 0; } +#endif |