[vorbis-dev] BCB build successful?

[OmegaDan]

having done just a little compiler writing in my day, I recall from my
textbooks that the prime directive of the optimization stage is not to
effect the symantec meaning of the program ... I believe floating point
operations would fall into that category -- what if those were financial
calculations?  or calculations of the optimal curvature of the wing of the
plane your gonna ride someday?

I think that may indicate an error of some kind (in one of the compiler, a
bug in his cpu, a bug in vorbis, etc)

just my oponion ....

(david: If youd like, send me a copy of the binaries and I'll try the same
test)

OD

On Tue, 30 Jan 2001, Lourens Veen wrote:
> Date: Tue, 30 Jan 2001 10:20:47 +0100
> To: vorbis-dev at xiph.org
> From: Lourens Veen <jsr at dds.nl>
> Reply-To: vorbis-dev at xiph.org
> Sender: owner-vorbis-dev at xiph.org
> Subject: Re: [vorbis-dev] BCB build successful?
> 
> "David K. Gasaway" wrote:
> > 
> [snip]
> > I have to assume the source I used is different from the source that
> > compiled into the MSVC version I have.  Otherwise the output
> > bitrate and file size should be identical, correct?
> 
> Not necessarily I think. If the compiler optimizes the float math and
> loses some precision in the process, then the vector quantisation and
> Huffman compression will compress a bit better (and quality will drop a
> bit).
> 
> Lourens
> 
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