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Honored Contributor

15 years ago

strange behaviour of square root VHDL code

I need a plain VHDL-square root code for a special purpose and used "google code search". I thus found the following code in their files, obviously written by Altera. http://www.google.com/c...

multiple-attachments.zip226 KB

Altera_Forum

Honored Contributor

15 years ago

An interesting solution: http://http://vhdlguru.blogspot.com/2010/03/vhdl-function-for-finding-square-root.html (http://http://vhdlguru.blogspot.com/2010/03/vhdl-function-for-finding-square-root.html)

It synthesizes into a combinatorial function which will run quite slow (44 ns tpd on a Stratix II C3 speed grade) but pipelining it should be reasonably straightforward.

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strange behaviour of square root VHDL code

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