From 6d3bf1993190edc502d01e8ca42c4482b20a5b6c Mon Sep 17 00:00:00 2001 From: Liubov Dmitrieva Date: Tue, 25 Sep 2012 20:41:17 +0200 Subject: Fix wrong ussage of sincos for subnormal arguments --- math/s_cexpf.c | 20 ++++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) (limited to 'math/s_cexpf.c') diff --git a/math/s_cexpf.c b/math/s_cexpf.c index 4aa9765818..41fcea51db 100644 --- a/math/s_cexpf.c +++ b/math/s_cexpf.c @@ -39,7 +39,15 @@ __cexpf (__complex__ float x) const int t = (int) ((FLT_MAX_EXP - 1) * M_LN2); float sinix, cosix; - __sincosf (__imag__ x, &sinix, &cosix); + if (__builtin_expect (icls != FP_SUBNORMAL, 1)) + { + __sincosf (__imag__ x, &sinix, &cosix); + } + else + { + sinix = __imag__ x; + cosix = 1.0f; + } if (__real__ x > t) { @@ -95,7 +103,15 @@ __cexpf (__complex__ float x) { float sinix, cosix; - __sincosf (__imag__ x, &sinix, &cosix); + if (__builtin_expect (icls != FP_SUBNORMAL, 1)) + { + __sincosf (__imag__ x, &sinix, &cosix); + } + else + { + sinix = __imag__ x; + cosix = 1.0f; + } __real__ retval = __copysignf (value, cosix); __imag__ retval = __copysignf (value, sinix); -- cgit 1.4.1