[Libre-soc-dev] DCT/FFT augmentations

Luke Kenneth Casson Leighton lkcl at lkcl.net
Mon Jun 28 00:41:07 BST 2021

On 6/27/21, Richard Wilbur <richard.wilbur at gmail.com> wrote:

> a floating point number and then did the floating point multiply.  My
> recollection is that floating point addition requires more setup and
> renormalization than multiply.

fmac you need 3x the precision on the mantissa: the mul creates a
mantissa 2x its inputs.

we'll have to have this.


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