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polynomial in fpga

Hello, I am trying to implement a polynomical on the FPGA with not much luck. I need to keep it to a 32 bit number basically the polynomial is:

 

Rg = 2 xcubed -445 xsquared + 169x + 286060 where X = A/450 (where A is a value between +-10000) we already have a big program to implement on the FPGA so space and speed is critical, we cannot afford to have a divide in it and the output needs to be then scaled up to 2 to the power 20.

 

I did think a lookup table might help but it would require 20000 elements which is not ideal!

 

 thankyou.

 

Peter

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Message Edited by mathan on 03-23-2009 05:48 AM
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