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authorJoseph Myers <joseph@codesourcery.com>2012-05-01 15:37:43 +0000
committerJoseph Myers <joseph@codesourcery.com>2012-05-01 15:37:43 +0000
commit7cb029ee6ec74801aebe41af62d20a44775d0697 (patch)
tree68ee5f5b88832c10bc1c7560cc9f1651104aebf0 /sysdeps/ieee754/ldbl-128/s_nexttoward.c
parent412bd96612ff5422befb98e990b66d10c26a4b21 (diff)
downloadglibc-7cb029ee6ec74801aebe41af62d20a44775d0697.tar.gz
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Fix nexttoward bugs (bugs 2550, 2570).
Diffstat (limited to 'sysdeps/ieee754/ldbl-128/s_nexttoward.c')
-rw-r--r--sysdeps/ieee754/ldbl-128/s_nexttoward.c12
1 files changed, 2 insertions, 10 deletions
diff --git a/sysdeps/ieee754/ldbl-128/s_nexttoward.c b/sysdeps/ieee754/ldbl-128/s_nexttoward.c
index 87a9a6cac3..1ea0b64331 100644
--- a/sysdeps/ieee754/ldbl-128/s_nexttoward.c
+++ b/sysdeps/ieee754/ldbl-128/s_nexttoward.c
@@ -55,11 +55,7 @@ double __nexttoward(double x, long double y)
 	    return x;
 	}
 	if(hx>=0) {				/* x > 0 */
-	    if (hy<0||(ix>>20)>(iy>>48)-0x3c00
-		|| ((ix>>20)==(iy>>48)-0x3c00
-		    && (((((int64_t)hx)<<28)|(lx>>4))>(hy&0x0000ffffffffffffLL)
-			|| (((((int64_t)hx)<<28)|(lx>>4))==(hy&0x0000ffffffffffffLL)
-			    && (lx&0xf)>(ly>>60))))) {	/* x > y, x -= ulp */
+	    if (x > y) {			/* x -= ulp */
 		if(lx==0) hx -= 1;
 		lx -= 1;
 	    } else {				/* x < y, x += ulp */
@@ -67,11 +63,7 @@ double __nexttoward(double x, long double y)
 		if(lx==0) hx += 1;
 	    }
 	} else {				/* x < 0 */
-	    if (hy>=0||(ix>>20)>(iy>>48)-0x3c00
-		|| ((ix>>20)==(iy>>48)-0x3c00
-		    && (((((int64_t)hx)<<28)|(lx>>4))>(hy&0x0000ffffffffffffLL)
-			|| (((((int64_t)hx)<<28)|(lx>>4))==(hy&0x0000ffffffffffffLL)
-			    && (lx&0xf)>(ly>>60))))) {	/* x < y, x -= ulp */
+	    if (x < y) {			/* x -= ulp */
 		if(lx==0) hx -= 1;
 		lx -= 1;
 	    } else {				/* x > y, x += ulp */