Add hint for circular convolution in frft [skip ci]

roflmaostc · roflmaostc · commit 1dc90b36afd8 · 2022-11-10T14:11:13.000+01:00
diff --git a/src/fractional_fourier_transform.jl b/src/fractional_fourier_transform.jl
@@ -1,5 +1,7 @@
 export frfft
 
+# TODO: circular convolution introduces wrap around artifacts which have not been handled yet
+
 """
     frfft(arr, p; shift=false, method=:garcia)
 
