fix: use real part of irfft output

JuliaImages · Jan 24, 2024 · d2f47a6 · d2f47a6
1 parent a6a3cce
commit d2f47a6
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/src/imfilter.jl b/src/imfilter.jl
@@ -874,8 +874,7 @@ end
 function filtfft(A, krn, planned_rfft1::Function, planned_rfft2::Function, planned_irfft::Function)
     B = planned_rfft1(A)
     complex(B) .*= conj!(complex(planned_rfft2(krn)))
-    out = complex(planned_irfft(complex(B)))
-    return out
+    return real(planned_irfft(complex(B)))
 end
 filtfft(A, krn, ::Nothing, ::Nothing, ::Nothing) = filtfft(A, krn)
 function filtfft(A, krn)