Re: Do Performer math routines only use floats?

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Eric Snowberg (esnowber++at++hisd.harris.com)
Wed, 19 Mar 1997 11:37:17 -0500

We have experienced the same problem with round off errors when using
geocentric coordinates. We would also be interested in a way to represent a
pfCoord/pfMatrix using double precision floats. Are there any other solutions
to this problem?

Thanks,
Eric

On Mar 18, 11:29am, Remotely Piloted Vehicle wrote:
> Subject: Do Performer math routines only use floats?
> Hi,
>
> I was just wondering whether there is any way to use pfVec3,
> pfMatrix, pfCoord, etc. as arrays of doubles rather than floats. For
> most applications, floats are sufficient. But for describing objects in
> actual geographic coordinates, you get into some big numbers and rounding
> off errors.
>
> Thanks in advance,
>
> Eran Guendelman.
>
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>-- End of excerpt from Remotely Piloted Vehicle

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