non-tuple length/block for plan_grid_transform (#159)

* non-tuple length/block for plan_grid_transform

* add test

* Update Project.toml

Author: dlfivefifty

Project.toml

@@ -1,6 +1,6 @@
 name = "ContinuumArrays"
 uuid = "7ae1f121-cc2c-504b-ac30-9b923412ae5c"
-version = "0.15"
+version = "0.15.1"
 
 [deps]
 AbstractFFTs = "621f4979-c628-5d54-868e-fcf4e3e8185c"
@@ -36,7 +36,7 @@ FillArrays = "1.0"
 InfiniteArrays = "0.12, 0.13"
 Infinities = "0.1"
 IntervalSets = "0.7"
-LazyArrays = "1.0"
+LazyArrays = "1.6.1"
 Makie = "0.19"
 QuasiArrays = "0.11.1"
 RecipesBase = "1.0"

src/bases/bases.jl

@@ -189,8 +189,8 @@ end
 
 plan_grid_transform(L, szs::NTuple{N,Int}, dims=1:N) where N = plan_grid_transform(MemoryLayout(L), L, szs, dims)
 
-plan_grid_transform(L, arr::AbstractArray{<:Any,N}, dims=1:N) where N = 
-    plan_grid_transform(L, size(arr), dims)
+plan_grid_transform(L, arr::AbstractArray, dims...) = plan_grid_transform(L, size(arr), dims...)
+plan_grid_transform(L, lng::Union{Integer,Block{1}}, dims...) = plan_grid_transform(L, (lng,), dims...)
 
 plan_transform(P, szs, dims...) = plan_grid_transform(P, szs, dims...)[2]
 

test/test_splines.jl

@@ -441,7 +441,7 @@ import ContinuumArrays: basis, AdjointBasisLayout, ExpansionLayout, BasisLayout,
             x = Inclusion(0..1)
             y = 2x .- 1
             L = LinearSpline(range(-1,stop=1,length=10))
-            g,P = plan_grid_transform(L[y,:], (10,))
+            g,P = plan_grid_transform(L[y,:], 10)
             X = cos.(g)
             @test L[y,:][g,:] * (P * X) ≈ X
             @test P \ (P * X) ≈ P * (P \ X) ≈ X