diff options
author | PikalaxALT <pikalaxalt@gmail.com> | 2018-01-03 17:39:24 -0700 |
---|---|---|
committer | PikalaxALT <pikalaxalt@gmail.com> | 2018-01-03 17:39:24 -0700 |
commit | a6c1ed4716cf02626ea035beb6dd4a921642ba80 (patch) | |
tree | ef582c1b52819e27bdd16097ec03b69799d04ede /newlib/libm/mathfp/e_remainder.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/e_remainder.c')
-rw-r--r-- | newlib/libm/mathfp/e_remainder.c | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/newlib/libm/mathfp/e_remainder.c b/newlib/libm/mathfp/e_remainder.c deleted file mode 100644 index 02a714d..0000000 --- a/newlib/libm/mathfp/e_remainder.c +++ /dev/null @@ -1,113 +0,0 @@ - -/* @(#)e_remainder.c 5.1 93/09/24 */ -/* - * ==================================================== - * 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. - * ==================================================== - */ - -/* -FUNCTION -<<remainder>>, <<remainderf>>---round and remainder -INDEX - remainder -INDEX - remainderf - -ANSI_SYNOPSIS - #include <math.h> - double remainder(double <[x]>, double <[y]>); - float remainderf(float <[x]>, float <[y]>); - -TRAD_SYNOPSIS - #include <math.h> - double remainder(<[x]>,<[y]>) - double <[x]>, <[y]>; - float remainderf(<[x]>,<[y]>) - float <[x]>, <[y]>; - -DESCRIPTION -<<remainder>> and <<remainderf>> find the remainder of -<[x]>/<[y]>; this value is in the range -<[y]>/2 .. +<[y]>/2. - -RETURNS -<<remainder>> returns the integer result as a double. - -PORTABILITY -<<remainder>> is a System V release 4. -<<remainderf>> is an extension. - -*/ - -/* remainder(x,p) - * Return : - * returns x REM p = x - [x/p]*p as if in infinite - * precise arithmetic, where [x/p] is the (infinite bit) - * integer nearest x/p (in half way case choose the even one). - * Method : - * Based on fmod() return x-[x/p]chopped*p exactlp. - */ - -#include "fdlibm.h" - -#ifndef _DOUBLE_IS_32BITS - -#ifdef __STDC__ -static const double zero = 0.0; -#else -static double zero = 0.0; -#endif - - -#ifdef __STDC__ - double remainder(double x, double p) -#else - double remainder(x,p) - double x,p; -#endif -{ - __int32_t hx,hp; - __uint32_t sx,lx,lp; - double p_half; - - EXTRACT_WORDS(hx,lx,x); - EXTRACT_WORDS(hp,lp,p); - sx = hx&0x80000000; - hp &= 0x7fffffff; - hx &= 0x7fffffff; - - /* purge off exception values */ - if((hp|lp)==0) return (x*p)/(x*p); /* p = 0 */ - if((hx>=0x7ff00000)|| /* x not finite */ - ((hp>=0x7ff00000)&& /* p is NaN */ - (((hp-0x7ff00000)|lp)!=0))) - return (x*p)/(x*p); - - - if (hp<=0x7fdfffff) x = fmod(x,p+p); /* now x < 2p */ - if (((hx-hp)|(lx-lp))==0) return zero*x; - x = fabs(x); - p = fabs(p); - if (hp<0x00200000) { - if(x+x>p) { - x-=p; - if(x+x>=p) x -= p; - } - } else { - p_half = 0.5*p; - if(x>p_half) { - x-=p; - if(x>=p_half) x -= p; - } - } - GET_HIGH_WORD(hx,x); - SET_HIGH_WORD(x,hx^sx); - return x; -} - -#endif /* defined(_DOUBLE_IS_32BITS) */ |