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authorUlrich Drepper <drepper@redhat.com>1999-07-14 00:54:57 +0000
committerUlrich Drepper <drepper@redhat.com>1999-07-14 00:54:57 +0000
commitabfbdde177c3a7155070dda1b2cdc8292054cc26 (patch)
treee021306b596381fbf8311d2b7eb294e918ff17c8 /sysdeps/libm-ieee754/s_nexttoward.c
parent86421aa57ecfd70963ae66848bd6a6dd3b8e0fe6 (diff)
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Update.
Diffstat (limited to 'sysdeps/libm-ieee754/s_nexttoward.c')
-rw-r--r--sysdeps/libm-ieee754/s_nexttoward.c98
1 files changed, 0 insertions, 98 deletions
diff --git a/sysdeps/libm-ieee754/s_nexttoward.c b/sysdeps/libm-ieee754/s_nexttoward.c
deleted file mode 100644
index 0bb57d8465..0000000000
--- a/sysdeps/libm-ieee754/s_nexttoward.c
+++ /dev/null
@@ -1,98 +0,0 @@
-/* s_nexttoward.c
- * Conversion from s_nextafter.c 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
- *	nextafterx(x,y)
- *	return the next machine floating-point number of x in the
- *	direction toward y.
- *   Special cases:
- */
-
-#include "math.h"
-#include "math_private.h"
-
-#ifdef __STDC__
-	double __nexttoward(double x, long double y)
-#else
-	double __nexttoward(x,y)
-	double x;
-	long double y;
-#endif
-{
-	int32_t hx,ix,iy;
-	u_int32_t lx,hy,ly,esy;
-
-	EXTRACT_WORDS(hx,lx,x);
-	GET_LDOUBLE_WORDS(esy,hy,ly,y);
-	ix = hx&0x7fffffff;		/* |x| */
-	iy = esy&0x7fff;		/* |y| */
-
-	if(((ix>=0x7ff00000)&&((ix-0x7ff00000)|lx)!=0) ||   /* x is nan */
-	   ((iy>=0x7fff)&&((hy|ly)|-(hy|ly))!=0))           /* y is nan */
-	   return x+y;
-	if((long double) x==y) return x;	/* x=y, return x */
-	if((ix|lx)==0) {			/* x == 0 */
-	    double x2;
-	    INSERT_WORDS(x,esy&0x8000?0x80000000:0,1);/* return +-minsub */
-	    x2 = x*x;
-	    if(x2==x) return x2; else return x;	/* raise underflow flag */
-	}
-	if(hx>=0) {				/* x > 0 */
-	    if (esy>=0x8000||((ix>>20)&0x7ff)>iy
-		|| (((ix>>20)&0x7ff)==iy
-		    && (((hx<<11)|(lx>>21))>(hy&0x7fffffff)
-			|| (((hx<<11)|(lx>>21))==(hy&0x7fffffff)
-			    && (lx<<11)>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 (esy<0x8000||((ix>>20)&0x7ff)>iy
-		|| (((ix>>20)&0x7ff)==iy
-		    && (((hx<<11)|(lx>>21))>(hy&0x7fffffff)
-			|| (((hx<<11)|(lx>>21))==(hy&0x7fffffff)
-			    && (lx<<11)>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) return x+x;	/* overflow  */
-	if(hy<0x00100000) {		/* underflow */
-	    double x2 = x*x;
-	    if(x2!=x) {		/* raise underflow flag */
-	        INSERT_WORDS(x2,hx,lx);
-		return x2;
-	    }
-	}
-	INSERT_WORDS(x,hx,lx);
-	return x;
-}
-weak_alias (__nexttoward, nexttoward)
-#ifdef NO_LONG_DOUBLE
-strong_alias (__nexttoward, __nexttowardl)
-weak_alias (__nexttoward, nexttowardl)
-#endif