aboutsummaryrefslogtreecommitdiff
path: root/math/s_csinhl.c
diff options
context:
space:
mode:
authorJoseph Myers <joseph@codesourcery.com>2013-04-26 19:25:19 +0000
committerJoseph Myers <joseph@codesourcery.com>2013-04-26 19:25:19 +0000
commitf0302940e7c2acb587971e3c99dfbd00aa4e2134 (patch)
tree14ca5247684a4ca2ef2ea2f46c4d375cde6aa6b9 /math/s_csinhl.c
parentaa630f590c9c7d070a7cdf3a2a88069ad6b63de9 (diff)
downloadglibc-f0302940e7c2acb587971e3c99dfbd00aa4e2134.tar
glibc-f0302940e7c2acb587971e3c99dfbd00aa4e2134.tar.gz
glibc-f0302940e7c2acb587971e3c99dfbd00aa4e2134.tar.bz2
glibc-f0302940e7c2acb587971e3c99dfbd00aa4e2134.zip
Fix csin, csinh, ccos, ccosh missing underflows (bug 15405).
Diffstat (limited to 'math/s_csinhl.c')
-rw-r--r--math/s_csinhl.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/math/s_csinhl.c b/math/s_csinhl.c
index 8acf6dec52..54a13fdda2 100644
--- a/math/s_csinhl.c
+++ b/math/s_csinhl.c
@@ -88,6 +88,19 @@ __csinhl (__complex__ long double x)
if (negate)
__real__ retval = -__real__ retval;
+
+ if (fabsl (__real__ retval) < LDBL_MIN)
+ {
+ volatile long double force_underflow
+ = __real__ retval * __real__ retval;
+ (void) force_underflow;
+ }
+ if (fabsl (__imag__ retval) < LDBL_MIN)
+ {
+ volatile long double force_underflow
+ = __imag__ retval * __imag__ retval;
+ (void) force_underflow;
+ }
}
else
{