fix fftw tag

noriah · noriah · commit 5ab3bc994091 · 2023-04-24T12:47:41.000-07:00
diff --git a/fft/gonum.go b/fft/gonum.go
@@ -1,4 +1,4 @@
-//go:build !cgo || !withfftw
+//go:build !cgo || (!withfftw && !fftw)
 
 package fft
 
