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Altera_Forum
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15 years ago

Multiplication by 0,6

Hi i have an input of 8 bits and i need to make a multiplication by 0,6. I doesn't has to be precise so i thaught to do : INPUT * 19 /32 This is not a working code but is displays wh...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

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Just remembered I did some mult by 2^n ages ago and the compiler didn't infer shift but true multiplier!!. Are you sure it is not still the case.

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I checked the RTL before posting (originally): the complier nicely inferred two adders to do the job. If you try to write the * 19 in one go, it infers a multiplier ...