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| author | David S. Miller <davem@davemloft.net> | 2014-05-24 18:58:01 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-05-31 20:05:00 -0700 |
| commit | 30f3d07cbbde199b1a0b2c3e983f0f0546e7ea45 (patch) | |
| tree | c05d830d4fc8ab4943541017a4517bb1d24eeeb3 | |
| parent | f0712b543eaddeca8fc6d7a8eb6b5b8d24105ce2 (diff) | |
| download | glibc-30f3d07cbbde199b1a0b2c3e983f0f0546e7ea45.tar glibc-30f3d07cbbde199b1a0b2c3e983f0f0546e7ea45.tar.gz glibc-30f3d07cbbde199b1a0b2c3e983f0f0546e7ea45.tar.bz2 glibc-30f3d07cbbde199b1a0b2c3e983f0f0546e7ea45.zip | |
Fix excessive ULP for y1_upward (0x2p+0) in test-float and test-ifloat.
* sysdeps/ieee754/flt-32/e_j1f.c (__ieee754_y1f): Force computations
to occur in round to nearest mode when |x| >= 2.0
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | sysdeps/ieee754/flt-32/e_j1f.c | 1 |
2 files changed, 6 insertions, 0 deletions
@@ -1,3 +1,8 @@ +2014-05-31 David S. Miller <davem@davemloft.net> + + * sysdeps/ieee754/flt-32/e_j1f.c (__ieee754_y1f): Force computations + to occur in round to nearest mode when |x| >= 2.0 + 2014-05-30 Richard Henderson <rth@twiddle.net> * sysdeps/unix/sysv/linux/aarch64/sysdep.h (PSEUDO_RET): Remove. diff --git a/sysdeps/ieee754/flt-32/e_j1f.c b/sysdeps/ieee754/flt-32/e_j1f.c index cb9f97fa28..a1809680f8 100644 --- a/sysdeps/ieee754/flt-32/e_j1f.c +++ b/sysdeps/ieee754/flt-32/e_j1f.c @@ -107,6 +107,7 @@ __ieee754_y1f(float x) return -HUGE_VALF+x; /* -inf and overflow exception. */ if(__builtin_expect(hx<0, 0)) return zero/(zero*x); if(ix >= 0x40000000) { /* |x| >= 2.0 */ + SET_RESTORE_ROUNDF (FE_TONEAREST); __sincosf (x, &s, &c); ss = -s-c; cc = s-c; |