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authorSzabolcs Nagy <szabolcs.nagy@arm.com>2017-12-05 18:09:22 +0000
committerSzabolcs Nagy <szabolcs.nagy@arm.com>2017-12-05 18:09:22 +0000
commit00d54af7c86cdcabc18c00619c229f49f4978610 (patch)
tree6bc09f21632f62fc82f9f5b057e4fa9493adf3ca /sysdeps/ieee754
parent1f70eae4cf0ca826ddbc2b61720e8aeae1e13de4 (diff)
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[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.
Diffstat (limited to 'sysdeps/ieee754')
-rw-r--r--sysdeps/ieee754/flt-32/s_sinf.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/sysdeps/ieee754/flt-32/s_sinf.c b/sysdeps/ieee754/flt-32/s_sinf.c
index 0b76477d22..8b98573ae4 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,