[vorbis-dev] vorbis on playstation 2

Segher Boessenkool segher at koffie.nl
Thu Feb 6 23:54:30 PST 2003

David Etherton wrote:
>>M_PI *used* to be defined to a single precision constant.
> There's an #ifndef M_PI in the vorbis headers that defines it as single
> precision but the problem is that the math.h is defining it double
> precision.

<math.h> is not allowed to define M_PI.  But yes, I've seen
several C implementations that do this.  Yuck.

Maybe we should use a

#define M_PIf (float) M_PI

and use M_PIf instead.

> I maintain a cross-platform game engine and I've found it useful to wrap
> nearly all of the C standard headers.  Maybe "vorbis_math.h" instead of
> <math.h>?

Not my call.  FWIW, I don't like the idea, but I see its


<p>--- >8 ----
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