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Altera_Forum
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9 years ago

How to square a fixed point number?

Assuming I have a 16 bit fixed point number that needs to be squared, how should this be implemented? The number format is Q2.14. Squaring it shall produce a result that is 32 bits instead a...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

FvM you said:

"The simplest way to do the result scaling and saturation is to use IEEE fixed point package."

Are you talking about the fixed_pkg? Is it synthesizeable? How exactly does it help here? I mean if I am going to use a multiplier IP block from the IP catalog to do multiplication, the top level ports of it are std_logic_vector. So how would the fixed_pkg help in that?