From f0302940e7c2acb587971e3c99dfbd00aa4e2134 Mon Sep 17 00:00:00 2001 From: Joseph Myers Date: Fri, 26 Apr 2013 19:25:19 +0000 Subject: Fix csin, csinh, ccos, ccosh missing underflows (bug 15405). --- math/s_csinf.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'math/s_csinf.c') diff --git a/math/s_csinf.c b/math/s_csinf.c index 92b858ae6a..a3dcf9d3aa 100644 --- a/math/s_csinf.c +++ b/math/s_csinf.c @@ -88,6 +88,19 @@ __csinf (__complex__ float x) if (negate) __real__ retval = -__real__ retval; + + if (fabsf (__real__ retval) < FLT_MIN) + { + volatile float force_underflow + = __real__ retval * __real__ retval; + (void) force_underflow; + } + if (fabsf (__imag__ retval) < FLT_MIN) + { + volatile float force_underflow + = __imag__ retval * __imag__ retval; + (void) force_underflow; + } } else { -- cgit 1.4.1