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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_csinl.c
parentaa630f590c9c7d070a7cdf3a2a88069ad6b63de9 (diff)
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Fix csin, csinh, ccos, ccosh missing underflows (bug 15405).
Diffstat (limited to 'math/s_csinl.c')
-rw-r--r--math/s_csinl.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/math/s_csinl.c b/math/s_csinl.c
index 6b3c1ea..4d6ce3d 100644
--- a/math/s_csinl.c
+++ b/math/s_csinl.c
@@ -88,6 +88,19 @@ __csinl (__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
{