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| author | Joseph Myers <joseph@codesourcery.com> | 2012-10-31 20:44:59 +0000 |
|---|---|---|
| committer | Joseph Myers <joseph@codesourcery.com> | 2012-10-31 20:44:59 +0000 |
| commit | 16a0e2ec87f104961b88173fe8c96f9348850b0d (patch) | |
| tree | afcb3c9f59e4f7b556a3fb05f6aebf75bf4bd858 /sysdeps/ieee754/ldbl-128ibm | |
| parent | 0eb69512575e1e2ccfec4c4489fa3fb6201d38d1 (diff) | |
| download | glibc-16a0e2ec87f104961b88173fe8c96f9348850b0d.tar.gz glibc-16a0e2ec87f104961b88173fe8c96f9348850b0d.tar.xz glibc-16a0e2ec87f104961b88173fe8c96f9348850b0d.zip | |
Fix ldbl-128ibm atan2l for x near 1.
Diffstat (limited to 'sysdeps/ieee754/ldbl-128ibm')
| -rw-r--r-- | sysdeps/ieee754/ldbl-128ibm/e_atan2l.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sysdeps/ieee754/ldbl-128ibm/e_atan2l.c b/sysdeps/ieee754/ldbl-128ibm/e_atan2l.c index fe5c8bd8dc..3e0535561c 100644 --- a/sysdeps/ieee754/ldbl-128ibm/e_atan2l.c +++ b/sysdeps/ieee754/ldbl-128ibm/e_atan2l.c @@ -65,7 +65,8 @@ __ieee754_atan2l(long double y, long double x) if(((ix)>0x7ff0000000000000LL)|| ((iy)>0x7ff0000000000000LL)) /* x or y is NaN */ return x+y; - if(((hx-0x3ff0000000000000LL))==0) return __atanl(y); /* x=1.0L */ + if(((hx-0x3ff0000000000000LL))==0 + && (lx&0x7fffffffffffffff)==0) return __atanl(y); /* x=1.0L */ m = ((hy>>63)&1)|((hx>>62)&2); /* 2*sign(x)+sign(y) */ /* when y = 0 */ |