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Diffstat (limited to 'sysdeps/i386/fpu/s_nextafterl.c')
-rw-r--r--sysdeps/i386/fpu/s_nextafterl.c125
1 files changed, 0 insertions, 125 deletions
diff --git a/sysdeps/i386/fpu/s_nextafterl.c b/sysdeps/i386/fpu/s_nextafterl.c
deleted file mode 100644
index 600ad7a8d3..0000000000
--- a/sysdeps/i386/fpu/s_nextafterl.c
+++ /dev/null
@@ -1,125 +0,0 @@
-/* s_nextafterl.c -- long double version of s_nextafter.c.
- * Special version for i387.
- * Conversion to long double by Ulrich Drepper,
- * Cygnus Support, drepper@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.
- * ====================================================
- */
-
-#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>
-
-long double __nextafterl(long double x, long double y)
-{
- u_int32_t hx,hy,ix,iy;
- u_int32_t lx,ly;
- int32_t esx,esy;
-
- GET_LDOUBLE_WORDS(esx,hx,lx,x);
- GET_LDOUBLE_WORDS(esy,hy,ly,y);
- ix = esx&0x7fff; /* |x| */
- iy = esy&0x7fff; /* |y| */
-
- /* Intel's extended format has the normally implicit 1 explicit
- present. Sigh! */
- if(((ix==0x7fff)&&(((hx&0x7fffffff)|lx)!=0)) || /* x is nan */
- ((iy==0x7fff)&&(((hy&0x7fffffff)|ly)!=0))) /* y is nan */
- return x+y;
- if(x==y) return y; /* x=y, return y */
- if((ix|hx|lx)==0) { /* x == 0 */
- long double u;
- SET_LDOUBLE_WORDS(x,esy&0x8000,0,1);/* return +-minsubnormal */
- u = math_opt_barrier (x);
- u = u * u;
- math_force_eval (u); /* raise underflow flag */
- return x;
- }
- if(esx>=0) { /* x > 0 */
- if(esx>esy||((esx==esy) && (hx>hy||((hx==hy)&&(lx>ly))))) {
- /* x > y, x -= ulp */
- if(lx==0) {
- if (hx <= 0x80000000) {
- if (esx == 0) {
- --hx;
- } else {
- esx -= 1;
- hx = hx - 1;
- if (esx > 0)
- hx |= 0x80000000;
- }
- } else
- hx -= 1;
- }
- lx -= 1;
- } else { /* x < y, x += ulp */
- lx += 1;
- if(lx==0) {
- hx += 1;
- if (hx==0 || (esx == 0 && hx == 0x80000000)) {
- esx += 1;
- hx |= 0x80000000;
- }
- }
- }
- } else { /* x < 0 */
- if(esy>=0||(esx>esy||((esx==esy)&&(hx>hy||((hx==hy)&&(lx>ly)))))){
- /* x < y, x -= ulp */
- if(lx==0) {
- if (hx <= 0x80000000 && esx != 0xffff8000) {
- esx -= 1;
- hx = hx - 1;
- if ((esx&0x7fff) > 0)
- hx |= 0x80000000;
- } else
- hx -= 1;
- }
- lx -= 1;
- } else { /* x > y, x += ulp */
- lx += 1;
- if(lx==0) {
- hx += 1;
- if (hx==0 || (esx == 0xffff8000 && hx == 0x80000000)) {
- esx += 1;
- hx |= 0x80000000;
- }
- }
- }
- }
- esy = esx&0x7fff;
- if(esy==0x7fff) {
- long double u = x + x; /* overflow */
- math_force_eval (u);
- __set_errno (ERANGE);
- }
- if(esy==0) {
- long double u = x*x; /* underflow */
- math_force_eval (u); /* raise underflow flag */
- __set_errno (ERANGE);
- }
- SET_LDOUBLE_WORDS(x,esx,hx,lx);
- return x;
-}
-weak_alias (__nextafterl, nextafterl)
-strong_alias (__nextafterl, __nexttowardl)
-weak_alias (__nextafterl, nexttowardl)