diff options
Diffstat (limited to 'newlib/libm/mathfp/sf_isnan.c')
-rw-r--r-- | newlib/libm/mathfp/sf_isnan.c | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/newlib/libm/mathfp/sf_isnan.c b/newlib/libm/mathfp/sf_isnan.c deleted file mode 100644 index 3dcdbf452..000000000 --- a/newlib/libm/mathfp/sf_isnan.c +++ /dev/null @@ -1,33 +0,0 @@ - -/* @(#)z_isnanf.c 1.0 98/08/13 */ -/****************************************************************** - * isnanf - * - * Input: - * x - pointer to a floating point value - * - * Output: - * An integer that indicates if the number is NaN. - * - * Description: - * This routine returns an integer that indicates if the number - * passed in is NaN (1) or is finite (0). - * - *****************************************************************/ - -#include "fdlibm.h" -#include "zmath.h" - -int isnanf (float x) -{ - __int32_t wx; - int exp; - - GET_FLOAT_WORD (wx, x); - exp = (wx & 0x7f800000) >> 23; - - if ((exp == 0x7f8) && (wx & 0x7fffff)) - return (1); - else - return (0); -} |