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Diffstat (limited to 'newlib/libm/mathfp/s_numtest.c')
-rw-r--r-- | newlib/libm/mathfp/s_numtest.c | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/newlib/libm/mathfp/s_numtest.c b/newlib/libm/mathfp/s_numtest.c deleted file mode 100644 index b41bb87..0000000 --- a/newlib/libm/mathfp/s_numtest.c +++ /dev/null @@ -1,58 +0,0 @@ - -/* @(#)z_numtest.c 1.0 98/08/13 */ -/****************************************************************** - * Numtest - * - * Input: - * x - pointer to a floating point value - * - * Output: - * An integer that indicates what kind of number was passed in: - * NUM = 3 - a finite value - * NAN = 2 - not a number - * INF = 1 - an infinite value - * 0 - zero - * - * Description: - * This routine returns an integer that indicates the character- - * istics of the number that was passed in. - * - *****************************************************************/ - -#include "fdlibm.h" -#include "zmath.h" - -#ifndef _DOUBLE_IS_32BITS - -int -_DEFUN (numtest, (double), - double x) -{ - __uint32_t hx, lx; - int exp; - - EXTRACT_WORDS (hx, lx, x); - - exp = (hx & 0x7ff00000) >> 20; - - /* Check for a zero input. */ - if (x == 0.0) - { - return (0); - } - - /* Check for not a number or infinity. */ - if (exp == 0x7ff) - { - if(hx & 0xf0000 || lx) - return (NAN); - else - return (INF); - } - - /* Otherwise it's a finite value. */ - else - return (NUM); -} - -#endif /* _DOUBLE_IS_32BITS */ |