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author | Ulrich Drepper <drepper@redhat.com> | 2004-12-22 20:10:10 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2004-12-22 20:10:10 +0000 |
commit | a334319f6530564d22e775935d9c91663623a1b4 (patch) | |
tree | b5877475619e4c938e98757d518bb1e9cbead751 /math/s_nexttowardf.c | |
parent | 0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff) | |
download | glibc-a334319f6530564d22e775935d9c91663623a1b4.zip glibc-a334319f6530564d22e775935d9c91663623a1b4.tar.gz glibc-a334319f6530564d22e775935d9c91663623a1b4.tar.bz2 |
(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'math/s_nexttowardf.c')
-rw-r--r-- | math/s_nexttowardf.c | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/math/s_nexttowardf.c b/math/s_nexttowardf.c deleted file mode 100644 index 0494d1a..0000000 --- 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) |