Mercurial > repos > public > sbplib_julia
comparison test/ext/sparse_arrays_test.jl @ 1829:871f3f1decea refactor/grids/iterable_boundary_indices
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| author | Jonatan Werpers <jonatan@werpers.com> |
|---|---|
| date | Sun, 20 Oct 2024 21:38:09 +0200 |
| parents | 471a948cd2b2 |
| children |
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| 1828:8adecef380b4 | 1829:871f3f1decea |
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| 1 using Test | |
| 2 | |
| 3 using Diffinitive | |
| 4 using Diffinitive.Grids | |
| 5 using Diffinitive.SbpOperators | |
| 6 | |
| 7 using SparseArrays | |
| 8 using Tokens | |
| 9 | |
| 10 | |
| 11 @testset "SparseArray" begin | |
| 12 g = equidistant_grid((0,0),(1,2), 20,30) | |
| 13 stencil_set = read_stencil_set(sbp_operators_path()*"standard_diagonal.toml"; order=4) | |
| 14 | |
| 15 | |
| 16 @testset let Δ = laplace(g, stencil_set), M = sparse(Δ) | |
| 17 @test ndims(M) == 2 | |
| 18 @test size(M) == (20*30,20*30) | |
| 19 | |
| 20 v = rand(size(g)...) | |
| 21 | |
| 22 Mv = M*reshape(v,:) | |
| 23 @test Mv ≈ reshape(Δ*v,:) | |
| 24 end | |
| 25 | |
| 26 @testset let dₙ = normal_derivative(g, stencil_set,CartesianBoundary{1,LowerBoundary}()), M = sparse(dₙ) | |
| 27 @test ndims(M) == 2 | |
| 28 @test size(M) == (30,20*30) | |
| 29 | |
| 30 v = rand(size(g)...) | |
| 31 Mv = M*reshape(v,:) | |
| 32 @test Mv ≈ reshape(dₙ*v,:) | |
| 33 end | |
| 34 end |