Re: arithmetic functions for linux driver

From: John Bradford
Date: Wed Mar 17 2004 - 13:10:16 EST


> I need to use the arithmetic functions like sin, cos,
> exp, log, etc in linux device driver.
>
> On search read , not to use libm from kernel driver
> as it will harm the fpu registers.
>
> Do you have any insight how to support these
> functions in linux driver or any code that is
> available which I can make use of?

What exactly are you trying to do? Why not simply create a look up
table for the functions you need, if the expected range of input
values is small?

John.
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