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Article #62Re: [Altivec Newbie] optimizing current code?
From: Darrin Cardani
Date: Fri, 19 Jan 2001 14:49
Date: Fri, 19 Jan 2001 14:49
28 lines
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2444 bytes
In article <180120011044342311%mday@apple.com>, Mark Day <mday@apple.com> wrote: > In article <170120011731277716%dcardani@buena.spamfree.com>, Darrin > Cardani <dcardani@buena.spamfree.com> wrote: > > > Be careful > > of vMathLib, though, as the trig functions are wacked. They are either > > very buggy, or I'm using them in some unintended way. For example, the > > sin and cos functions will return values outside of the -1 to 1 range. > > It's always repeatable, and always the same result, but it's wrong, as > > far as I can tell. > > I checked with the AltiVec engineers, and they say this is already > fixed in 9.1. OK. Thanks for checking! It came up on the AltiVec list the other day. Doug Clarke had submitted it as a bug a few months ago, but he said he never heard back on it. Glad to hear it's fixed. Thanks, Darrin -- Darrin Cardani Buena Software, Inc. - Macintosh Video, Graphics and Audio Contract Development http://www.buena.com/ dcardani@buena.com
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