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GNU C Library master sources branch master updated. glibc-2.26.9000-929-g00d54af
- From: nsz at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 5 Dec 2017 18:10:07 -0000
- Subject: GNU C Library master sources branch master updated. glibc-2.26.9000-929-g00d54af
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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=00d54af7c86cdcabc18c00619c229f49f4978610
commit 00d54af7c86cdcabc18c00619c229f49f4978610
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Tue Dec 5 18:09:22 2017 +0000
[PATCH] fix sinf(NAN)
sinf(NAN) should not signal invalid fp exception
so use isless instead of < where NAN is compared.
this makes the sinf tests pass on aarch64.
* sysdeps/ieee754/flt-32/s_sinf.c (sinf): Use isless.
diff --git a/ChangeLog b/ChangeLog
index bcc49a1..15da4e7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2017-12-05 Szabolcs Nagy <szabolcs.nagy@arm.com>
+
+ * sysdeps/ieee754/flt-32/s_sinf.c (sinf): Use isless.
+
2017-12-05 Joseph Myers <joseph@codesourcery.com>
* stdlib/strfromd.c: Include <bits/floatn.h>.
diff --git a/sysdeps/ieee754/flt-32/s_sinf.c b/sysdeps/ieee754/flt-32/s_sinf.c
index 0b76477..8b98573 100644
--- a/sysdeps/ieee754/flt-32/s_sinf.c
+++ b/sysdeps/ieee754/flt-32/s_sinf.c
@@ -128,7 +128,7 @@ SINF_FUNC (float x)
double theta = x;
double abstheta = fabs (theta);
/* If |x|< Pi/4. */
- if (abstheta < M_PI_4)
+ if (isless (abstheta, M_PI_4))
{
if (abstheta >= 0x1p-5) /* |x| >= 2^-5. */
{
@@ -162,8 +162,8 @@ SINF_FUNC (float x)
}
else /* |x| >= Pi/4. */
{
- unsigned int signbit = (x < 0);
- if (abstheta < 9 * M_PI_4) /* |x| < 9*Pi/4. */
+ unsigned int signbit = isless (x, 0);
+ if (isless (abstheta, 9 * M_PI_4)) /* |x| < 9*Pi/4. */
{
/* There are cases where FE_UPWARD rounding mode can
produce a result of abstheta * inv_PI_4 == 9,
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 4 ++++
sysdeps/ieee754/flt-32/s_sinf.c | 6 +++---
2 files changed, 7 insertions(+), 3 deletions(-)
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