summaryrefslogtreecommitdiff
path: root/sysdeps/ieee754/ldbl-128ibm/s_nexttowardf.c
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/ieee754/ldbl-128ibm/s_nexttowardf.c')
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/s_nexttowardf.c89
1 files changed, 0 insertions, 89 deletions
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_nexttowardf.c b/sysdeps/ieee754/ldbl-128ibm/s_nexttowardf.c
deleted file mode 100644
index cf655fad16..0000000000
--- a/sysdeps/ieee754/ldbl-128ibm/s_nexttowardf.c
+++ /dev/null
@@ -1,89 +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 "math.h"
-#include <math_private.h>
-#include <math_ldbl_opt.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,ix;
- int64_t hy,iy;
- u_int64_t ly, uly;
-
- GET_FLOAT_WORD(hx,x);
- GET_LDOUBLE_WORDS64(hy,ly,y);
- ix = hx&0x7fffffff; /* |x| */
- iy = hy&0x7fffffffffffffffLL; /* |y| */
- uly = ly&0x7fffffffffffffffLL; /* |y| */
-
- if((ix>0x7f800000) || /* x is nan */
- ((iy>=0x7ff0000000000000LL)&&((iy-0x7ff0000000000000LL)|uly)!=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>>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(hy<0||(ix>>23)>(iy>>52)-0x380
- || ((ix>>23)==(iy>>52)-0x380
- && (ix&0x7fffff)>((hy>>29)&0x7fffff))) {/* x > y, x -= ulp */
- hx -= 1;
- } else { /* x < y, x += ulp */
- hx += 1;
- }
- } else { /* x < 0 */
- if(hy>=0||(ix>>23)>(iy>>52)-0x380
- || ((ix>>23)==(iy>>52)-0x380
- && (ix&0x7fffff)>((hy>>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) { /* underflow */
- float u = x*x;
- math_force_eval (u); /* raise underflow flag */
- }
- SET_FLOAT_WORD(x,hx);
- return x;
-}
-long_double_symbol (libm, __nexttowardf, nexttowardf);