diff options
Diffstat (limited to 'prism/internal/isinf.h')
| -rw-r--r-- | prism/internal/isinf.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/prism/internal/isinf.h b/prism/internal/isinf.h new file mode 100644 index 0000000000..41c160f56d --- /dev/null +++ b/prism/internal/isinf.h @@ -0,0 +1,16 @@ +#ifndef PRISM_INTERNAL_ISINF_H +#define PRISM_INTERNAL_ISINF_H + +/* + * isinf on POSIX systems accepts a float, a double, or a long double. But mingw + * didn't provide an isinf macro, only an isinf function that only accepts + * floats, so we need to use _finite instead. + */ +#ifdef __MINGW64__ + #include <float.h> + #define PRISM_ISINF(x) (!_finite(x)) +#else + #define PRISM_ISINF(x) isinf(x) +#endif + +#endif |