about summary refs log tree commit diff
path: root/sysdeps/ieee754/ldbl-128/s_nextafterl.c
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/ieee754/ldbl-128/s_nextafterl.c')
-rw-r--r--sysdeps/ieee754/ldbl-128/s_nextafterl.c86
1 files changed, 0 insertions, 86 deletions
diff --git a/sysdeps/ieee754/ldbl-128/s_nextafterl.c b/sysdeps/ieee754/ldbl-128/s_nextafterl.c
deleted file mode 100644
index d29f58a7e0..0000000000
--- a/sysdeps/ieee754/ldbl-128/s_nextafterl.c
+++ /dev/null
@@ -1,86 +0,0 @@
-/* s_nextafterl.c -- long double version of s_nextafter.c.
- * Conversion to IEEE quad long double 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.
- * ====================================================
- */
-
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: $";
-#endif
-
-/* IEEE functions
- *	nextafterl(x,y)
- *	return the next machine floating-point number of x in the
- *	direction toward y.
- *   Special cases:
- */
-
-#include <errno.h>
-#include <math.h>
-#include <math_private.h>
-
-_Float128 __nextafterl(_Float128 x, _Float128 y)
-{
-	int64_t hx,hy,ix,iy;
-	u_int64_t lx,ly;
-
-	GET_LDOUBLE_WORDS64(hx,lx,x);
-	GET_LDOUBLE_WORDS64(hy,ly,y);
-	ix = hx&0x7fffffffffffffffLL;		/* |x| */
-	iy = hy&0x7fffffffffffffffLL;		/* |y| */
-
-	if(((ix>=0x7fff000000000000LL)&&((ix-0x7fff000000000000LL)|lx)!=0) ||   /* x is nan */
-	   ((iy>=0x7fff000000000000LL)&&((iy-0x7fff000000000000LL)|ly)!=0))     /* y is nan */
-	   return x+y;
-	if(x==y) return y;		/* x=y, return y */
-	if((ix|lx)==0) {			/* x == 0 */
-	    _Float128 u;
-	    SET_LDOUBLE_WORDS64(x,hy&0x8000000000000000ULL,1);/* return +-minsubnormal */
-	    u = math_opt_barrier (x);
-	    u = u * u;
-	    math_force_eval (u);		/* raise underflow flag */
-	    return x;
-	}
-	if(hx>=0) {			/* x > 0 */
-	    if(hx>hy||((hx==hy)&&(lx>ly))) {	/* x > y, x -= ulp */
-		if(lx==0) hx--;
-		lx--;
-	    } else {				/* x < y, x += ulp */
-		lx++;
-		if(lx==0) hx++;
-	    }
-	} else {				/* x < 0 */
-	    if(hy>=0||hx>hy||((hx==hy)&&(lx>ly))){/* x < y, x -= ulp */
-		if(lx==0) hx--;
-		lx--;
-	    } else {				/* x > y, x += ulp */
-		lx++;
-		if(lx==0) hx++;
-	    }
-	}
-	hy = hx&0x7fff000000000000LL;
-	if(hy==0x7fff000000000000LL) {
-	    _Float128 u = x + x;		/* overflow  */
-	    math_force_eval (u);
-	    __set_errno (ERANGE);
-	}
-	if(hy==0) {
-	    _Float128 u = x*x;		/* underflow */
-	    math_force_eval (u);		/* raise underflow flag */
-	    __set_errno (ERANGE);
-	}
-	SET_LDOUBLE_WORDS64(x,hx,lx);
-	return x;
-}
-weak_alias (__nextafterl, nextafterl)
-strong_alias (__nextafterl, __nexttowardl)
-weak_alias (__nextafterl, nexttowardl)