Hello,

I'm looking for a very fast SQRT.c function (32bit Int to 16bit Int) that works on STM32f100. I already have one but it's slow.

thank you,

I'm looking for a very fast SQRT.c function (32bit Int to 16bit Int) that works on STM32f100. I already have one but it's slow.

thank you,

That's the way most integer fft algorithms doing it with sin/cos.