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-rw-r--r--libm/src/s_nexttoward.c73
1 files changed, 0 insertions, 73 deletions
diff --git a/libm/src/s_nexttoward.c b/libm/src/s_nexttoward.c
deleted file mode 100644
index 55da4ad..0000000
--- a/libm/src/s_nexttoward.c
+++ /dev/null
@@ -1,73 +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.
- * ====================================================
- */
-
-#ifndef lint
-static char rcsid[] = "$FreeBSD: src/lib/msun/src/s_nexttoward.c,v 1.1 2005/03/07 04:56:46 das Exp $";
-#endif
-
-/*
- * We assume that a long double has a 15-bit exponent. On systems
- * where long double is the same as double, nexttoward() is an alias
- * for nextafter(), so we don't use this routine.
- */
-
-#include <float.h>
-
-#include "fpmath.h"
-#include "math.h"
-#include "math_private.h"
-
-#if LDBL_MAX_EXP != 0x4000
-#error "Unsupported long double format"
-#endif
-
-double
-nexttoward(double x, long double y)
-{
- union IEEEl2bits uy;
- volatile double t;
- int32_t hx,ix;
- u_int32_t lx;
-
- EXTRACT_WORDS(hx,lx,x);
- ix = hx&0x7fffffff; /* |x| */
- uy.e = y;
-
- if(((ix>=0x7ff00000)&&((ix-0x7ff00000)|lx)!=0) ||
- (uy.bits.exp == 0x7fff &&
- ((uy.bits.manh&~LDBL_NBIT)|uy.bits.manl) != 0))
- return x+y; /* x or y is nan */
- if(x==y) return (double)y; /* x=y, return y */
- if(x==0.0) {
- INSERT_WORDS(x,uy.bits.sign<<31,1); /* return +-minsubnormal */
- t = x*x;
- if(t==x) return t; else return x; /* raise underflow flag */
- }
- if(hx>0.0 ^ x < y) { /* x -= ulp */
- if(lx==0) hx -= 1;
- lx -= 1;
- } else { /* x += ulp */
- lx += 1;
- if(lx==0) hx += 1;
- }
- ix = hx&0x7ff00000;
- if(ix>=0x7ff00000) return x+x; /* overflow */
- if(ix<0x00100000) { /* underflow */
- t = x*x;
- if(t!=x) { /* raise underflow flag */
- INSERT_WORDS(y,hx,lx);
- return y;
- }
- }
- INSERT_WORDS(x,hx,lx);
- return x;
-}