From 9984dd012623633f6e48d6d189a8df7d6c308535 Mon Sep 17 00:00:00 2001 From: Joseph Myers Date: Wed, 28 Nov 2012 21:46:16 +0000 Subject: [PATCH] Use hex float 64-bit values in ldbl-96 asinl (bug 14803). --- ChangeLog | 10 ++++++++++ NEWS | 6 +++--- sysdeps/ieee754/ldbl-96/e_asinl.c | 9 ++++++--- 3 files changed, 19 insertions(+), 6 deletions(-) diff --git a/ChangeLog b/ChangeLog index b74cde7..1cff12d 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,13 @@ +2012-11-28 Joseph Myers + + [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 Martin Osvald diff --git a/NEWS b/NEWS index 4a17295..7adaa27 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 c33701f..c1ffa3e 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) */ -- 2.7.4