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| author | Joseph Myers <joseph@codesourcery.com> | 2012-11-28 21:46:16 +0000 |
|---|---|---|
| committer | Joseph Myers <joseph@codesourcery.com> | 2012-11-28 21:46:16 +0000 |
| commit | 9984dd012623633f6e48d6d189a8df7d6c308535 (patch) | |
| tree | fcda589028e969256495648655ec70487d243c0c | |
| parent | 14bc93a967e62abf8cf2704725b6f76619399f83 (diff) | |
| download | glibc-9984dd012623633f6e48d6d189a8df7d6c308535.tar.gz glibc-9984dd012623633f6e48d6d189a8df7d6c308535.tar.xz glibc-9984dd012623633f6e48d6d189a8df7d6c308535.zip | |
Use hex float 64-bit values in ldbl-96 asinl (bug 14803).
| -rw-r--r-- | ChangeLog | 10 | ||||
| -rw-r--r-- | NEWS | 6 | ||||
| -rw-r--r-- | sysdeps/ieee754/ldbl-96/e_asinl.c | 9 |
3 files changed, 19 insertions, 6 deletions
diff --git a/ChangeLog b/ChangeLog index b74cde7e69..1cff12d4f2 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,13 @@ +2012-11-28 Joseph Myers <joseph@codesourcery.com> + + [BZ #14803] + * sysdeps/ieee754/ldbl-96/e_asinl.c (pio2_hi): Use hex float value + of pi/2 rounded to nearest to 64 bits. + (pio2_lo): Use hex float value of pi/2 - pio2_hi rounded to + nearest to 64 bits. + (pio4_hi): Use hex float value of pi/4 rounded to nearest to 64 + bits. + 2012-11-28 Jeff Law <law@redhat.com> Martin Osvald <mosvald@redhat.com> diff --git a/NEWS b/NEWS index 4a17295d41..7adaa272c5 100644 --- a/NEWS +++ b/NEWS @@ -20,9 +20,9 @@ Version 2.17 14557, 14562, 14568, 14576, 14579, 14583, 14587, 14595, 14602, 14610, 14621, 14638, 14645, 14648, 14652, 14660, 14661, 14669, 14672, 14683, 14694, 14716, 14719, 14743, 14767, 14783, 14784, 14785, 14793, 14796, - 14797, 14801, 14805, 14807, 14811, 14815, 14821, 14822, 14824, 14828, - 14831, 14835, 14838, 14856, 14863, 14865, 14866, 14868, 14869, 14871, - 14889. + 14797, 14801, 14803, 14805, 14807, 14811, 14815, 14821, 14822, 14824, + 14828, 14831, 14835, 14838, 14856, 14863, 14865, 14866, 14868, 14869, + 14871, 14889. * CVE-2011-4609 svc_run() produces high cpu usage when accept fails with EMFILE has been fixed (Bugzilla #14889). diff --git a/sysdeps/ieee754/ldbl-96/e_asinl.c b/sysdeps/ieee754/ldbl-96/e_asinl.c index c33701f11e..c1ffa3e0d9 100644 --- a/sysdeps/ieee754/ldbl-96/e_asinl.c +++ b/sysdeps/ieee754/ldbl-96/e_asinl.c @@ -64,9 +64,12 @@ static const long double one = 1.0L, huge = 1.0e+4932L, - pio2_hi = 1.5707963267948966192021943710788178805159986950457096099853515625L, - pio2_lo = 2.9127320560933561582586004641843300502121E-20L, - pio4_hi = 7.8539816339744830960109718553940894025800E-1L, + pio2_hi = 0x1.921fb54442d1846ap+0L, /* pi/2 rounded to nearest to 64 + bits. */ + pio2_lo = -0x7.6733ae8fe47c65d8p-68L, /* pi/2 - pio2_hi rounded to + nearest to 64 bits. */ + pio4_hi = 0xc.90fdaa22168c235p-4L, /* pi/4 rounded to nearest to 64 + bits. */ /* coefficient for R(x^2) */ |