On Thu, Feb 06, 2003 at 11:13:45 +0100, David Olofson wrote: > On Thursday 06 February 2003 16.28, Steve Harris wrote: > [...] > > #define FLUSH_TO_ZERO(fv) (((*(unsigned > > int*)&(fv))&0x7f800000)==0)?0.0f:(fv) I think it came from the > > music-dsp list. > > There's a conditional in there, though.
Yes, but its not in a float context so it wont get denormallised(?). > Another method is to add noise or some other signal (beep at Nyqvist) > with an amplitude a few hundred dB or more below the 0 dB level of > audio data. Yes, this will work, and avoids branches. - Steve
