1.8x faster imdct_c with fpmath=sse, no change with x87
Originally committed as revision 14701 to svn://svn.ffmpeg.org/ffmpeg/trunk
/* complex multiplication: p = a * b */
#define CMUL(pre, pim, are, aim, bre, bim) \
{\
- double _are = (are);\
- double _aim = (aim);\
- double _bre = (bre);\
- double _bim = (bim);\
+ FFTSample _are = (are);\
+ FFTSample _aim = (aim);\
+ FFTSample _bre = (bre);\
+ FFTSample _bim = (bim);\
(pre) = _are * _bre - _aim * _bim;\
(pim) = _are * _bim + _aim * _bre;\
}