diff options
Diffstat (limited to 'sysdeps/ieee754/ldbl-128/s_nextafterl.c')
-rw-r--r-- | sysdeps/ieee754/ldbl-128/s_nextafterl.c | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/sysdeps/ieee754/ldbl-128/s_nextafterl.c b/sysdeps/ieee754/ldbl-128/s_nextafterl.c deleted file mode 100644 index d29f58a7e0..0000000000 --- a/sysdeps/ieee754/ldbl-128/s_nextafterl.c +++ /dev/null @@ -1,86 +0,0 @@ -/* s_nextafterl.c -- long double version of s_nextafter.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. - * ==================================================== - */ - -#if defined(LIBM_SCCS) && !defined(lint) -static char rcsid[] = "$NetBSD: $"; -#endif - -/* IEEE functions - * nextafterl(x,y) - * return the next machine floating-point number of x in the - * direction toward y. - * Special cases: - */ - -#include <errno.h> -#include <math.h> -#include <math_private.h> - -_Float128 __nextafterl(_Float128 x, _Float128 y) -{ - int64_t hx,hy,ix,iy; - u_int64_t lx,ly; - - GET_LDOUBLE_WORDS64(hx,lx,x); - GET_LDOUBLE_WORDS64(hy,ly,y); - ix = hx&0x7fffffffffffffffLL; /* |x| */ - iy = hy&0x7fffffffffffffffLL; /* |y| */ - - if(((ix>=0x7fff000000000000LL)&&((ix-0x7fff000000000000LL)|lx)!=0) || /* x is nan */ - ((iy>=0x7fff000000000000LL)&&((iy-0x7fff000000000000LL)|ly)!=0)) /* y is nan */ - return x+y; - if(x==y) return y; /* x=y, return y */ - if((ix|lx)==0) { /* x == 0 */ - _Float128 u; - SET_LDOUBLE_WORDS64(x,hy&0x8000000000000000ULL,1);/* return +-minsubnormal */ - u = math_opt_barrier (x); - u = u * u; - math_force_eval (u); /* raise underflow flag */ - return x; - } - if(hx>=0) { /* x > 0 */ - if(hx>hy||((hx==hy)&&(lx>ly))) { /* x > y, x -= ulp */ - if(lx==0) hx--; - lx--; - } else { /* x < y, x += ulp */ - lx++; - if(lx==0) hx++; - } - } else { /* x < 0 */ - if(hy>=0||hx>hy||((hx==hy)&&(lx>ly))){/* x < y, x -= ulp */ - if(lx==0) hx--; - lx--; - } else { /* x > y, x += ulp */ - lx++; - if(lx==0) hx++; - } - } - hy = hx&0x7fff000000000000LL; - if(hy==0x7fff000000000000LL) { - _Float128 u = x + x; /* overflow */ - math_force_eval (u); - __set_errno (ERANGE); - } - if(hy==0) { - _Float128 u = x*x; /* underflow */ - math_force_eval (u); /* raise underflow flag */ - __set_errno (ERANGE); - } - SET_LDOUBLE_WORDS64(x,hx,lx); - return x; -} -weak_alias (__nextafterl, nextafterl) -strong_alias (__nextafterl, __nexttowardl) -weak_alias (__nextafterl, nexttowardl) |