d3be58b6d7
Add missing sqrt to magSpectrum(). * https://github.com/opencv/opencv/issues/20100 * slight optimization + fix for double-precision case Co-authored-by: Yuma Oyama <yuma.oyama@acuity-inc.co.jp> Co-authored-by: Vadim Pisarevsky <vadim.pisarevsky@me.com>