aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/ieee754/ldbl-96/s_nexttoward.c
diff options
context:
space:
mode:
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-96/s_nexttoward.c
parent412bd96612ff5422befb98e990b66d10c26a4b21 (diff)
downloadglibc-7cb029ee6ec74801aebe41af62d20a44775d0697.zip
glibc-7cb029ee6ec74801aebe41af62d20a44775d0697.tar.gz
glibc-7cb029ee6ec74801aebe41af62d20a44775d0697.tar.bz2
Fix nexttoward bugs (bugs 2550, 2570).
Diffstat (limited to 'sysdeps/ieee754/ldbl-96/s_nexttoward.c')
-rw-r--r--sysdeps/ieee754/ldbl-96/s_nexttoward.c12
1 files changed, 2 insertions, 10 deletions
diff --git a/sysdeps/ieee754/ldbl-96/s_nexttoward.c b/sysdeps/ieee754/ldbl-96/s_nexttoward.c
index 9b93eca..f7a8b21 100644
--- a/sysdeps/ieee754/ldbl-96/s_nexttoward.c
+++ b/sysdeps/ieee754/ldbl-96/s_nexttoward.c
@@ -52,11 +52,7 @@ double __nexttoward(double x, long double y)
return x;
}
if(hx>=0) { /* x > 0 */
- if (esy>=0x8000||((ix>>20)&0x7ff)>iy-0x3c00
- || (((ix>>20)&0x7ff)==iy-0x3c00
- && (((hx<<11)|(lx>>21))>(hy&0x7fffffff)
- || (((hx<<11)|(lx>>21))==(hy&0x7fffffff)
- && (lx<<11)>ly)))) { /* x > y, x -= ulp */
+ if (x > y) { /* x -= ulp */
if(lx==0) hx -= 1;
lx -= 1;
} else { /* x < y, x += ulp */
@@ -64,11 +60,7 @@ double __nexttoward(double x, long double y)
if(lx==0) hx += 1;
}
} else { /* x < 0 */
- if (esy<0x8000||((ix>>20)&0x7ff)>iy-0x3c00
- || (((ix>>20)&0x7ff)==iy-0x3c00
- && (((hx<<11)|(lx>>21))>(hy&0x7fffffff)
- || (((hx<<11)|(lx>>21))==(hy&0x7fffffff)
- && (lx<<11)>ly)))) {/* x < y, x -= ulp */
+ if (x < y) { /* x -= ulp */
if(lx==0) hx -= 1;
lx -= 1;
} else { /* x > y, x += ulp */