On Fri, Oct 01, 1999 at 09:10:26PM +0100, Mathew Hendry wrote:
> > There seems to be something weird about how LAME encodes audio here when I
> > compare output from 68k and PPC versions of the program...
[snip]
> Sounds very much like a difference in FP rounding behaviour. Have you
> compared FLT_ROUNDS (defined in <float.h>) for the two compilers?
Maybe someone used the -ffast-math switch in the Makefile when compiling
the other version? This, IIRC, violates the ANSI C floating-point rounding
rules by omitting a round-to-zero instruction in float->int conversion on
some architectures.
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