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authorUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
committerUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
commita334319f6530564d22e775935d9c91663623a1b4 (patch)
treeb5877475619e4c938e98757d518bb1e9cbead751 /math/s_nextafter.c
parent0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff)
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(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'math/s_nextafter.c')
-rw-r--r--math/s_nextafter.c100
1 files changed, 0 insertions, 100 deletions
diff --git a/math/s_nextafter.c b/math/s_nextafter.c
deleted file mode 100644
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