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annotate test/Grids/grid_test.jl @ 1273:7fab13c07412 refactor/grids

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Allow multi-argument functions in eval_on
author Jonatan Werpers <jonatan@werpers.com>
date Sat, 25 Feb 2023 22:57:00 +0100
parents 3637daad71e8
children dcd8654ca33b
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1 using Test
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2 using Sbplib.Grids
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3 using Sbplib.LazyTensors
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4 using StaticArrays
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5
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6 @testset "Grid" begin
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7 struct DummyGrid{T,D} <: Grid{T,D} end
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8
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9 @test eltype(DummyGrid{Int, 2}) == Int
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10 @test eltype(DummyGrid{Int, 2}()) == Int
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12 @test ndims(DummyGrid{Int, 2}()) == 2
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13 @test dims(DummyGrid{Int, 2}()) == 1:2
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15 @test target_manifold_dim(DummyGrid{Int, 1}()) == 1
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16 @test target_manifold_dim(DummyGrid{SVector{3,Float64}, 2}()) == 3
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17 end
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18
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19 @testset "eval_on" begin
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20 @test eval_on(ZeroDimGrid(@SVector[1.,2.]), x̄->x̄[1]+x̄[2]) isa LazyArray
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21 @test eval_on(ZeroDimGrid(@SVector[1.,2.]), x̄->x̄[1]+x̄[2]) == fill(3.)
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22 @test eval_on(ZeroDimGrid(@SVector[3.,2.]), x̄->x̄[1]+x̄[2]) == fill(5.)
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24 @test eval_on(EquidistantGrid(range(0,1,length=4)), x->2x) isa LazyArray
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25 @test eval_on(EquidistantGrid(range(0,1,length=4)), x->2x) == 2 .* range(0,1,length=4)
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28 g = equidistant_grid((5,3), (0.0,0.0), (2.0,1.0))
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31 # Splat for only one dim, controllef by type specification in function.
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33 @test eval_on(g, x̄ -> 0.) isa LazyArray
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34 @test eval_on(g, x̄ -> 0.) == fill(0., (5,3))
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36 @test eval_on(g, x̄ -> sin(x̄[1])*cos(x̄[2])) == map(x̄->sin(x̄[1])*cos(x̄[2]), g)
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37
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38 # Vector valued function
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39 @test eval_on(g, x̄ -> @SVector[x̄[2], x̄[1]]) isa LazyArray{SVector{2,Float64}}
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40 @test eval_on(g, x̄ -> @SVector[x̄[2], x̄[1]]) == map(x̄ -> @SVector[x̄[2], x̄[1]], g)
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41
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42 # Multi-argument functions
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43 f(x,y) = sin(x)*cos(y)
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44 @test eval_on(g, f) == map(x̄->f(x̄...), g)
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45 end
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47 @testset "getcomponent" begin
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48 @test_broken false
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49 end
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51 @testset "_ncomponents" begin
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52 @test Grids._ncomponents(Int) == 1
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53 @test Grids._ncomponents(Float64) == 1
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54 @test Grids._ncomponents(Rational) == 1
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56 @test Grids._ncomponents(SVector{3,Int}) == 3
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57 @test Grids._ncomponents(SVector{2,Float64}) == 2
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58 @test Grids._ncomponents(SVector{4,Rational}) == 4
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59 end
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61 @testset "_component_type" begin
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62 @test Grids._component_type(Int) == Int
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63 @test Grids._component_type(Float64) == Float64
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64 @test Grids._component_type(Rational) == Rational
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66 @test Grids._component_type(SVector{3,Int}) == Int
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67 @test Grids._component_type(SVector{2,Float64}) == Float64
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68 @test Grids._component_type(SVector{4,Rational}) == Rational
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69 end