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author | PikalaxALT <pikalaxalt@gmail.com> | 2018-01-03 17:39:24 -0700 |
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committer | PikalaxALT <pikalaxalt@gmail.com> | 2018-01-03 17:39:24 -0700 |
commit | a6c1ed4716cf02626ea035beb6dd4a921642ba80 (patch) | |
tree | ef582c1b52819e27bdd16097ec03b69799d04ede /newlib/libm/mathfp/sf_ldexp.c | |
parent | f6c9a624fa8a6878a7fb2b02f55e4990a20feb59 (diff) |
Use libc from agbcc instead of standalone newlib\nYou must have AGBCC commit 80d029caec189587f8b9294b6c8a5a489b8f5f88 in order to compile pmd_red.gbalibc
Diffstat (limited to 'newlib/libm/mathfp/sf_ldexp.c')
-rw-r--r-- | newlib/libm/mathfp/sf_ldexp.c | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/newlib/libm/mathfp/sf_ldexp.c b/newlib/libm/mathfp/sf_ldexp.c deleted file mode 100644 index 753be06..0000000 --- a/newlib/libm/mathfp/sf_ldexp.c +++ /dev/null @@ -1,79 +0,0 @@ - -/* @(#)z_ldexpf.c 1.0 98/08/13 */ -/****************************************************************** - * ldexp - * - * Input: - * d - a floating point value - * e - an exponent value - * - * Output: - * A floating point value f such that f = d * 2 ^ e. - * - * Description: - * This function creates a floating point number f such that - * f = d * 2 ^ e. - * - *****************************************************************/ - -#include <float.h> -#include "fdlibm.h" -#include "zmath.h" - -float -_DEFUN (ldexpf, (float, int), - float d _AND - int e) -{ - int exp; - __int32_t wd; - - GET_FLOAT_WORD (wd, d); - - /* Check for special values and then scale d by e. */ - switch (numtestf (wd)) - { - case NAN: - errno = EDOM; - break; - - case INF: - errno = ERANGE; - break; - - case 0: - break; - - default: - exp = (wd & 0x7f800000) >> 23; - exp += e; - - if (exp > (FLT_MAX_EXP + 127)) - { - errno = ERANGE; - d = z_infinity_f.f; - } - else if (exp < FLT_MIN_EXP - 127) - { - errno = ERANGE; - d = -z_infinity_f.f; - } - else - { - wd &= 0x807fffff; - wd |= exp << 23; - SET_FLOAT_WORD (d, wd); - } - } - - return (d); -} - -#ifdef _DOUBLE_IS_32BITS - -double ldexp (double x, int e) -{ - return (double) ldexpf ((float) x, e); -} - -#endif /* defined(_DOUBLE_IS_32BITS) */ |