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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/math/wf_scalb.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/math/wf_scalb.c')
-rw-r--r-- | newlib/libm/math/wf_scalb.c | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/newlib/libm/math/wf_scalb.c b/newlib/libm/math/wf_scalb.c deleted file mode 100644 index bd2d9f8..0000000 --- a/newlib/libm/math/wf_scalb.c +++ /dev/null @@ -1,118 +0,0 @@ -/* wf_scalb.c -- float version of w_scalb.c. - * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com. - */ - -/* - * ==================================================== - * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. - * - * Developed at SunPro, a Sun Microsystems, Inc. business. - * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice - * is preserved. - * ==================================================== - */ - -/* - * wrapper scalbf(float x, float fn) is provide for - * passing various standard test suite. One - * should use scalbn() instead. - */ - -#include "fdlibm.h" -#include <errno.h> - -#ifdef __STDC__ -#ifdef _SCALB_INT - float scalbf(float x, int fn) /* wrapper scalbf */ -#else - float scalbf(float x, float fn) /* wrapper scalbf */ -#endif -#else - float scalbf(x,fn) /* wrapper scalbf */ -#ifdef _SCALB_INT - float x; int fn; -#else - float x,fn; -#endif -#endif -{ -#ifdef _IEEE_LIBM - return __ieee754_scalbf(x,fn); -#else - float z; -#ifndef HUGE_VAL -#define HUGE_VAL inf - double inf = 0.0; - - SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */ -#endif - struct exception exc; - z = __ieee754_scalbf(x,fn); - if(_LIB_VERSION == _IEEE_) return z; - if(!(finitef(z)||isnanf(z))&&finitef(x)) { - /* scalbf overflow; SVID also returns +-HUGE_VAL */ - exc.type = OVERFLOW; - exc.name = "scalbf"; - exc.err = 0; - exc.arg1 = (double)x; - exc.arg2 = (double)fn; - exc.retval = x > 0.0 ? HUGE_VAL : -HUGE_VAL; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; - } - if(z==(float)0.0&&z!=x) { - /* scalbf underflow */ - exc.type = UNDERFLOW; - exc.name = "scalbf"; - exc.err = 0; - exc.arg1 = (double)x; - exc.arg2 = (double)fn; - exc.retval = copysign(0.0,x); - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; - } -#ifndef _SCALB_INT - if(!finitef(fn)) errno = ERANGE; -#endif - return z; -#endif -} - -#ifdef _DOUBLE_IS_32BITS - -#ifdef __STDC__ -#ifdef _SCALB_INT - double scalb(double x, int fn) -#else - double scalb(double x, double fn) -#endif -#else - double scalb(x, fn) -#ifdef _SCALB_INT - double x; int fn; -#else - double x,fn; -#endif -#endif -{ -#ifdef _SCALB_INT - return (double) scalbf((float) x, fn); -#else - return (double) scalbf((float) x, (float) fn); -#endif -} - -#endif /* defined(_DOUBLE_IS_32BITS) */ |