Fix bug in scaling ScaFTEdge for odd-sized arrays

src/scaling_offset_types.jl

@@ -71,7 +71,7 @@ get_scale(sz, ::Type{ScaNorm}) = 1 ./ (max.(sz .- 1, 1))
 get_scale(sz, ::Type{ScaMid}) = 1 ./ (max.((sz .- 1)./2, 1)) # reaches 1.0 at the outermost pixel. 
 get_scale(sz, ::Type{ScaFT}) = 0.5 ./ (max.(sz ./ 2, 1))
 # get_scale(size, ::Type{ScaRFT}) = 0.5 ./ (max.(Base.setindex(size./ 2,size[1]-1,1), 1))  # These scales are wrong! They need the information on the real-space size!
-get_scale(sz, ::Type{ScaFTEdge}) = 1 ./ (max.(sz ./ 2, 1))  
+get_scale(sz, ::Type{ScaFTEdge}) = 1 ./ (max.(sz .÷ 2, 1))  
 # get_scale(size, ::Type{ScaRFTEdge}) = 1 ./ (max.(Base.setindex(size./ 2,size[1]-1,1), 1))
 get_scale(sz, t::Number) = ntuple(i -> t, length(sz)) 
 get_scale(dummy, t::NTuple) = t 

test/concrete_generators.jl

@@ -88,7 +88,7 @@
         @test rr((10,), scale = ScaNorm) == [0.5555555555555556, 0.4444444444444444, 0.3333333333333333, 0.2222222222222222, 0.1111111111111111, 0.0, 0.1111111111111111, 0.2222222222222222, 0.3333333333333333, 0.4444444444444444]
         @test rr((10,), scale = ScaFT) == [0.5, 0.4, 0.30000000000000004, 0.2, 0.1, 0.0, 0.1, 0.2, 0.30000000000000004, 0.4]
 
-        @test rr((11,), scale = ScaFTEdge) == [ 0.9090909090909092, 0.7272727272727273, 0.5454545454545454, 0.36363636363636365, 0.18181818181818182, 0.0, 0.18181818181818182, 0.36363636363636365, 0.5454545454545454, 0.7272727272727273, 0.9090909090909092]
+        @test rr((11,), scale = ScaFTEdge) == [1.0, 0.8, 0.6000000000000001, 0.4, 0.2, 0.0, 0.2, 0.4, 0.6000000000000001, 0.8, 1.0] 
         # 1.0, 0.8, 0.6000000000000001, 0.4, 0.2, 0.0, 0.2, 0.4, 0.6000000000000001, 0.8, 1.0]
 
         @test rr((10,), scale = ScaFTEdge) == [1.0, 0.8, 0.6000000000000001, 0.4, 0.2, 0.0, 0.2, 0.4, 0.6000000000000001, 0.8]