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| author | Joseph Myers <joseph@codesourcery.com> | 2012-05-01 15:37:43 +0000 |
|---|---|---|
| committer | Joseph Myers <joseph@codesourcery.com> | 2012-05-01 15:37:43 +0000 |
| commit | 7cb029ee6ec74801aebe41af62d20a44775d0697 (patch) | |
| tree | 68ee5f5b88832c10bc1c7560cc9f1651104aebf0 /sysdeps/ieee754/ldbl-128/s_nexttoward.c | |
| parent | 412bd96612ff5422befb98e990b66d10c26a4b21 (diff) | |
| download | glibc-7cb029ee6ec74801aebe41af62d20a44775d0697.tar.gz glibc-7cb029ee6ec74801aebe41af62d20a44775d0697.tar.xz glibc-7cb029ee6ec74801aebe41af62d20a44775d0697.zip | |
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.c | 12 |
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 */ |