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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_nexttowardf.c
parent0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff)
downloadglibc-a334319f6530564d22e775935d9c91663623a1b4.tar.gz
(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'math/s_nexttowardf.c')
-rw-r--r--math/s_nexttowardf.c85
1 files changed, 0 insertions, 85 deletions
diff --git a/math/s_nexttowardf.c b/math/s_nexttowardf.c
deleted file mode 100644
index 0494d1a4e9..0000000000
--- a/math/s_nexttowardf.c
+++ /dev/null
@@ -1,85 +0,0 @@
-/* Single precision version of nexttoward.c.
- Conversion to IEEE single float by Jakub Jelinek, jj@ultra.linux.cz. */
-/*
- * ====================================================
- * 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.
- * ====================================================
- */
-
-/* IEEE functions
- * nexttowardf(x,y)
- * return the next machine floating-point number of x in the
- * direction toward y.
- * This is for machines which use the same binary type for double and
- * long double.
- * Special cases:
- */
-
-#include <math.h>
-#include <math_private.h>
-#include <float.h>
-
-#ifdef __STDC__
- float __nexttowardf(float x, long double y)
-#else
- float __nexttowardf(x,y)
- float x;
- long double y;
-#endif
-{
- int32_t hx,hy,ix,iy;
- u_int32_t ly;
-
- GET_FLOAT_WORD(hx,x);
- EXTRACT_WORDS(hy,ly,y);
- ix = hx&0x7fffffff; /* |x| */
- iy = hy&0x7fffffff; /* |y| */
-
- if((ix>0x7f800000) || /* x is nan */
- ((iy>=0x7ff00000)&&((iy-0x7ff00000)|ly)!=0)) /* y is nan */
- return x+y;
- if((long double) x==y) return y; /* x=y, return y */
- if(ix==0) { /* x == 0 */
- float u;
- SET_FLOAT_WORD(x,(u_int32_t)(hy&0x80000000)|1);/* return +-minsub*/
- u = math_opt_barrier (x);
- u = u * u;
- math_force_eval (u); /* raise underflow flag */
- return x;
- }
- if(hx>=0) { /* x > 0 */
- if(hy<0||(ix>>23)>(iy>>20)-0x380
- || ((ix>>23)==(iy>>20)-0x380
- && (ix&0x7fffff)>(((hy<<3)|(ly>>29))&0x7fffff))) /* x > y, x -= ulp */
- hx -= 1;
- else /* x < y, x += ulp */
- hx += 1;
- } else { /* x < 0 */
- if(hy>=0||(ix>>23)>(iy>>20)-0x380
- || ((ix>>23)==(iy>>20)-0x380
- && (ix&0x7fffff)>(((hy<<3)|(ly>>29))&0x7fffff))) /* x < y, x -= ulp */
- hx -= 1;
- else /* x > y, x += ulp */
- hx += 1;
- }
- hy = hx&0x7f800000;
- if(hy>=0x7f800000) {
- x = x+x; /* overflow */
- if (FLT_EVAL_METHOD != 0)
- /* Force conversion to float. */
- asm ("" : "+m"(x));
- return x;
- }
- if(hy<0x00800000) {
- float u = x*x; /* underflow */
- math_force_eval (u); /* raise underflow flag */
- }
- SET_FLOAT_WORD(x,hx);
- return x;
-}
-weak_alias (__nexttowardf, nexttowardf)