diff options
Diffstat (limited to 'sysdeps/ieee754/ldbl-128ibm/e_remainderl.c')
-rw-r--r-- | sysdeps/ieee754/ldbl-128ibm/e_remainderl.c | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/sysdeps/ieee754/ldbl-128ibm/e_remainderl.c b/sysdeps/ieee754/ldbl-128ibm/e_remainderl.c deleted file mode 100644 index b7fa68f32a..0000000000 --- a/sysdeps/ieee754/ldbl-128ibm/e_remainderl.c +++ /dev/null @@ -1,78 +0,0 @@ -/* e_fmodl.c -- long double version of e_fmod.c. - * Conversion to IEEE quad long double by Jakub Jelinek, jj@ultra.linux.cz. - */ -/* - * ==================================================== - * 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. - * ==================================================== - */ - -/* __ieee754_remainderl(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 fmodl() return x-[x/p]chopped*p exactlp. - */ - -#include "math.h" -#include "math_private.h" - -#ifdef __STDC__ -static const long double zero = 0.0L; -#else -static long double zero = 0.0L; -#endif - - -#ifdef __STDC__ - long double __ieee754_remainderl(long double x, long double p) -#else - long double __ieee754_remainderl(x,p) - long double x,p; -#endif -{ - int64_t hx,hp; - u_int64_t sx,lx,lp; - long double p_half; - - GET_LDOUBLE_WORDS64(hx,lx,x); - GET_LDOUBLE_WORDS64(hp,lp,p); - sx = hx&0x8000000000000000ULL; - hp &= 0x7fffffffffffffffLL; - hx &= 0x7fffffffffffffffLL; - - /* purge off exception values */ - if((hp|(lp&0x7fffffffffffffff))==0) return (x*p)/(x*p); /* p = 0 */ - if((hx>=0x7ff0000000000000LL)|| /* x not finite */ - ((hp>=0x7ff0000000000000LL)&& /* p is NaN */ - (((hp-0x7ff0000000000000LL)|lp)!=0))) - return (x*p)/(x*p); - - - if (hp<=0x7fdfffffffffffffLL) x = __ieee754_fmodl(x,p+p); /* now x < 2p */ - if (((hx-hp)|(lx-lp))==0) return zero*x; - x = fabsl(x); - p = fabsl(p); - if (hp<0x0020000000000000LL) { - if(x+x>p) { - x-=p; - if(x+x>=p) x -= p; - } - } else { - p_half = 0.5L*p; - if(x>p_half) { - x-=p; - if(x>=p_half) x -= p; - } - } - GET_LDOUBLE_MSW64(hx,x); - SET_LDOUBLE_MSW64(x,hx^sx); - return x; -} |