diff options
Diffstat (limited to 'sysdeps/ieee754/ldbl-128ibm/s_nexttowardf.c')
-rw-r--r-- | sysdeps/ieee754/ldbl-128ibm/s_nexttowardf.c | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_nexttowardf.c b/sysdeps/ieee754/ldbl-128ibm/s_nexttowardf.c deleted file mode 100644 index 7c5d1cc112..0000000000 --- a/sysdeps/ieee754/ldbl-128ibm/s_nexttowardf.c +++ /dev/null @@ -1,79 +0,0 @@ -/* s_nexttowardf.c -- float version of s_nextafter.c. - * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com - * and 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. - * ==================================================== - */ - -#if defined(LIBM_SCCS) && !defined(lint) -static char rcsid[] = "$NetBSD: $"; -#endif - -#include <errno.h> -#include <math.h> -#include <math_private.h> -#include <math_ldbl_opt.h> -#include <float.h> - -float __nexttowardf(float x, long double y) -{ - int32_t hx,ix; - int64_t hy,iy; - double yhi; - - GET_FLOAT_WORD(hx,x); - yhi = ldbl_high (y); - EXTRACT_WORDS64 (hy, yhi); - ix = hx&0x7fffffff; /* |x| */ - iy = hy&0x7fffffffffffffffLL; /* |y| */ - - if((ix>0x7f800000) || /* x is nan */ - (iy>0x7ff0000000000000LL)) - /* 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>>32)&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(x > y) { /* x -= ulp */ - hx -= 1; - } else { /* x < y, x += ulp */ - hx += 1; - } - } else { /* x < 0 */ - if(x < y) { /* x -= ulp */ - hx -= 1; - } else { /* x > y, x += ulp */ - hx += 1; - } - } - hy = hx&0x7f800000; - if(hy>=0x7f800000) { - float u = x+x; /* overflow */ - math_force_eval (u); - __set_errno (ERANGE); - } - if(hy<0x00800000) { /* underflow */ - float u = x*x; - math_force_eval (u); /* raise underflow flag */ - __set_errno (ERANGE); - } - SET_FLOAT_WORD(x,hx); - return x; -} -long_double_symbol (libm, __nexttowardf, nexttowardf); |