diff options
Diffstat (limited to 'newlib/libm/mathfp/sf_frexp.c')
-rw-r--r-- | newlib/libm/mathfp/sf_frexp.c | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/newlib/libm/mathfp/sf_frexp.c b/newlib/libm/mathfp/sf_frexp.c deleted file mode 100644 index c2751f65c..000000000 --- a/newlib/libm/mathfp/sf_frexp.c +++ /dev/null @@ -1,58 +0,0 @@ - -/* @(#)z_frexpf.c 1.0 98/08/13 */ -/****************************************************************** - * frexp - * - * Input: - * d - floating point value - * exp - exponent value - * - * Output: - * A floating point value in the range [0.5, 1). - * - * Description: - * This routine breaks a floating point value into a number f and - * an exponent exp such that d = f * 2 ^ exp. - * - *****************************************************************/ - -#include "fdlibm.h" -#include "zmath.h" - -float frexpf (float d, int *exp) -{ - float f; - __int32_t wf, wd; - - GET_FLOAT_WORD (wd, d); - - /* Get the exponent. */ - *exp = ((wd & 0x7f800000) >> 23) - 126; - - /* Get the mantissa. */ - wf = wd & 0x7fffff; - wf |= 0x3f000000; - - SET_FLOAT_WORD (f, wf); - - /* Check for special values. */ - switch (numtestf (f)) - { - case NAN: - case INF: - errno = EDOM; - *exp = 0; - return (f); - } - - return (f); -} - -#ifdef _DOUBLE_IS_32BITS - -double frexp (double x, int *exp) -{ - return (double) frexpf ((float) x, exp); -} - -#endif /* defined(_DOUBLE_IS_32BITS) */ |