On May 31, 2011, at 7:53 AM, Harold Hallikainen wrote:

>>> The formula is M =3D (f0 * 2^32)/fc
>>>
> if writing in C, the whole thing could be done in floating point, then
> convert back to int32.

Beware, though, since floating point will typically (on an 8bit =20
microcontroller) reduce your precision to about 24 bits, which is not =20
a good thing if you want a 32bit integer as your final result.

BillW

--=20
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