Messages in this thread | | | Date | Fri, 12 Jul 2002 12:49:31 -0400 | From | William Park <> | Subject | Re: Advice saught on math functions |
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On Fri, Jul 12, 2002 at 06:22:29PM +0200, J.A. Magallon wrote: > > On 2002.07.12 Alan Cox wrote: > >> Are these functions which are supplied by the FPU? I've looked > >> through the fpu emulation headers and exp() is the only one I can find > > > >You can't use FPU operations in the x86 kernel. > > Are you to worried about precission ? Can't you just do your sin() etc. > in fixed point ? (and move all your fpdata to fixed point, of course)
Or, you can use polynomial approximations.
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