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-rw-r--r--math/s_nextafter.c100
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diff --git a/math/s_nextafter.c b/math/s_nextafter.c
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index d2af52dda3..0000000000
--- a/math/s_nextafter.c
+++ /dev/null
@@ -1,100 +0,0 @@
-/* @(#)s_nextafter.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.
- * ====================================================
- */
-
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: s_nextafter.c,v 1.8 1995/05/10 20:47:58 jtc Exp $";
-#endif
-
-/* IEEE functions
- * nextafter(x,y)
- * return the next machine floating-point number of x in the
- * direction toward y.
- * Special cases:
- */
-
-/* Ugly hack so that the aliasing works. */
-#define __nexttoward __internal___nexttoward
-#define nexttoward __internal_nexttoward
-
-#include <math.h>
-#include <math_private.h>
-#include <float.h>
-
-#ifdef __STDC__
- double __nextafter(double x, double y)
-#else
- double __nextafter(x,y)
- double x,y;
-#endif
-{
- int32_t hx,hy,ix,iy;
- u_int32_t lx,ly;
-
- EXTRACT_WORDS(hx,lx,x);
- EXTRACT_WORDS(hy,ly,y);
- ix = hx&0x7fffffff; /* |x| */
- iy = hy&0x7fffffff; /* |y| */
-
- if(((ix>=0x7ff00000)&&((ix-0x7ff00000)|lx)!=0) || /* x is nan */
- ((iy>=0x7ff00000)&&((iy-0x7ff00000)|ly)!=0)) /* y is nan */
- return x+y;
- if(x==y) return y; /* x=y, return y */
- if((ix|lx)==0) { /* x == 0 */
- double u;
- INSERT_WORDS(x,hy&0x80000000,1); /* 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 -= 1;
- lx -= 1;
- } else { /* x < y, x += ulp */
- lx += 1;
- if(lx==0) hx += 1;
- }
- } else { /* x < 0 */
- if(hy>=0||hx>hy||((hx==hy)&&(lx>ly))){/* x < y, x -= ulp */
- if(lx==0) hx -= 1;
- lx -= 1;
- } else { /* x > y, x += ulp */
- lx += 1;
- if(lx==0) hx += 1;
- }
- }
- hy = hx&0x7ff00000;
- if(hy>=0x7ff00000) {
- x = x+x; /* overflow */
- if (FLT_EVAL_METHOD != 0 && FLT_EVAL_METHOD != 1)
- asm ("" : "+m"(x));
- return x; /* overflow */
- }
- if(hy<0x00100000) {
- double u = x*x; /* underflow */
- math_force_eval (u); /* raise underflow flag */
- }
- INSERT_WORDS(x,hx,lx);
- return x;
-}
-weak_alias (__nextafter, nextafter)
-#ifdef NO_LONG_DOUBLE
-strong_alias (__nextafter, __nextafterl)
-weak_alias (__nextafter, nextafterl)
-strong_alias (__nextafter, __nexttowardl)
-weak_alias (__nexttowardl, nexttowardl)
-#undef __nexttoward
-strong_alias (__nextafter, __nexttoward)
-#undef nexttoward
-weak_alias (__nextafter, nexttoward)
-#endif