diff options
Diffstat (limited to 'sysdeps/ieee754/ldbl-opt/s_nexttowardfd.c')
| -rw-r--r-- | sysdeps/ieee754/ldbl-opt/s_nexttowardfd.c | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/sysdeps/ieee754/ldbl-opt/s_nexttowardfd.c b/sysdeps/ieee754/ldbl-opt/s_nexttowardfd.c deleted file mode 100644 index 68027f26fa..0000000000 --- a/sysdeps/ieee754/ldbl-opt/s_nexttowardfd.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 - * __nexttowardfd(x,y) - * return the next machine floating-point number of x in the - * direction toward y. - * This is for machines which use different binary type for double and - * long double conditionally, y is long double equal to double. - * Special cases: - */ - -#include <math.h> -#include <math_private.h> -#include <math_ldbl_opt.h> -#include <float.h> - -float __nldbl_nexttowardf(float x, double y); - -float __nldbl_nexttowardf(float x, double y) -{ - 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((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; -} - -#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1) -compat_symbol (libm, __nldbl_nexttowardf, nexttowardf, GLIBC_2_1); -#endif |