move to next prod based on JOSS Review #143

ptiede · Jun 21, 2022 · 6dbb60d · 6dbb60d
1 parent 77ca455
commit 6dbb60d
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diff --git a/src/models/modelimage/fft_alg.jl b/src/models/modelimage/fft_alg.jl
@@ -104,8 +104,8 @@ end
 function padimage(img, alg::FFTAlg)
     padfac = alg.padfac
     ny,nx = size(img)
-    nnx = nextpow(2, padfac*nx)
-    nny = nextpow(2, padfac*ny)
+    nnx = nextprod((2,3,5,7), padfac*nx)
+    nny = nextprod((2,3,5,7), padfac*ny)
     PaddedView(zero(eltype(img)), img, (nny, nnx))
 end
 

diff --git a/src/models/modelimage/nfft_alg.jl b/src/models/modelimage/nfft_alg.jl
@@ -26,8 +26,8 @@ function padimage(alg::NFFTAlg, img)
     (padfac == 1) && return img
 
     ny,nx = size(img)
-    nnx = nextpow(2, padfac*nx)
-    nny = nextpow(2, padfac*ny)
+    nnx = nextprod((2,3,5,7), padfac*nx)
+    nny = nextprod((2,3,5,7), padfac*ny)
     nsx = nnx÷2-nx÷2
     nsy = nny÷2-ny÷2
     return PaddedView(zero(eltype(img)), img,