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| author | Joseph Myers <joseph@codesourcery.com> | 2012-05-25 11:07:07 +0000 |
|---|---|---|
| committer | Joseph Myers <joseph@codesourcery.com> | 2012-05-25 11:07:07 +0000 |
| commit | b65504975c97e1ec7aadaa75dcefb42e7e70fa1f (patch) | |
| tree | d50f67531259ec2ffa0180541613808b60d1c7d9 /sysdeps/ieee754 | |
| parent | b0bc23a1777005ddcd54ec434f0deec88d3468fc (diff) | |
| download | glibc-b65504975c97e1ec7aadaa75dcefb42e7e70fa1f.tar.gz glibc-b65504975c97e1ec7aadaa75dcefb42e7e70fa1f.tar.xz glibc-b65504975c97e1ec7aadaa75dcefb42e7e70fa1f.zip | |
Fix acosf underflow (bug 14153).
Diffstat (limited to 'sysdeps/ieee754')
| -rw-r--r-- | sysdeps/ieee754/flt-32/e_acosf.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sysdeps/ieee754/flt-32/e_acosf.c b/sysdeps/ieee754/flt-32/e_acosf.c index c0f1d4ea74..6f792f6604 100644 --- a/sysdeps/ieee754/flt-32/e_acosf.c +++ b/sysdeps/ieee754/flt-32/e_acosf.c @@ -46,7 +46,7 @@ __ieee754_acosf(float x) return (x-x)/(x-x); /* acos(|x|>1) is NaN */ } if(ix<0x3f000000) { /* |x| < 0.5 */ - if(ix<=0x23000000) return pio2_hi+pio2_lo;/*if|x|<2**-57*/ + if(ix<=0x32800000) return pio2_hi+pio2_lo;/*if|x|<=2**-26*/ z = x*x; p = z*(pS0+z*(pS1+z*(pS2+z*(pS3+z*(pS4+z*pS5))))); q = one+z*(qS1+z*(qS2+z*(qS3+z*qS4))); |