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annotate test/Grids/equidistant_grid_test.jl @ 1827:ab397590898e refactor/grids/iterable_boundary_indices

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Try to change the implementation
author Jonatan Werpers <jonatan@werpers.com>
date Tue, 17 Sep 2024 11:19:08 +0200
parents 98ae79eb0709
children 871f3f1decea
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1 using Sbplib.Grids
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2 using Test
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3 using Sbplib.RegionIndices
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4 using Sbplib.LazyTensors
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6
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7 @testset "EquidistantGrid" begin
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8 @test EquidistantGrid(0:0.1:10) isa EquidistantGrid
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9 @test EquidistantGrid(range(0,1,length=10)) isa EquidistantGrid
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10 @test EquidistantGrid(LinRange(0,1,11)) isa EquidistantGrid
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11
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12 @testset "Indexing Interface" begin
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13 g = EquidistantGrid(0:0.1:10)
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14 @test g[1] == 0.0
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15 @test g[5] == 0.4
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16 @test g[101] == 10.0
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17
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18 @test g[begin] == 0.0
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19 @test g[end] == 10.0
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21 @test all(eachindex(g) .== 1:101)
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23 @test firstindex(g) == 1
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24 @test lastindex(g) == 101
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25 end
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26
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27 @testset "Iterator interface" begin
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28 @test eltype(EquidistantGrid(0:10)) == Int
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29 @test eltype(EquidistantGrid(0:2:10)) == Int
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30 @test eltype(EquidistantGrid(0:0.1:10)) == Float64
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31 @test size(EquidistantGrid(0:10)) == (11,)
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32 @test size(EquidistantGrid(0:0.1:10)) == (101,)
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33
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34 @test size(EquidistantGrid(0:0.1:10),1) == 101
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35
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36 @test collect(EquidistantGrid(0:0.1:0.5)) == [0.0, 0.1, 0.2, 0.3, 0.4, 0.5]
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38 @test Base.IteratorSize(EquidistantGrid{Float64, StepRange{Float64}}) == Base.HasShape{1}()
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39 end
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41 @testset "Base" begin
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42 @test ndims(EquidistantGrid(0:10)) == 1
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44 g = EquidistantGrid(0:0.1:10)
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45 @test axes(g,1) == 1:101
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46 @test axes(g) == (1:101,)
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47 end
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48
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49 @testset "spacing" begin
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50 @test spacing(EquidistantGrid(0:10)) == 1
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51 @test spacing(EquidistantGrid(0:0.1:10)) == 0.1
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52 end
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53
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54 @testset "inverse_spacing" begin
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55 @test inverse_spacing(EquidistantGrid(0:10)) == 1
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56 @test inverse_spacing(EquidistantGrid(0:0.1:10)) == 10
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57 end
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58
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59 @testset "boundary_identifiers" begin
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60 g = EquidistantGrid(0:0.1:10)
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61 @test boundary_identifiers(g) == (Lower(), Upper())
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62 @inferred boundary_identifiers(g)
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63 end
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64
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65 @testset "boundary_grid" begin
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66 g = EquidistantGrid(0:0.1:1)
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67 @test boundary_grid(g, Lower()) == ZeroDimGrid(0.0)
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68 @test boundary_grid(g, Upper()) == ZeroDimGrid(1.0)
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69 end
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70
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71 @testset "boundary_indices" begin
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72 g = EquidistantGrid(0:0.1:1)
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73 @test boundary_indices(g, Lower()) == 1
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74 @test boundary_indices(g, Upper()) == 11
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75
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76 gf = collect(g)
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77 @test gf[boundary_indices(g, Lower())] == gf[1]
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78 @test gf[boundary_indices(g, Upper())] == gf[11]
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79
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80 g = EquidistantGrid(2:0.1:10)
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81 @test boundary_indices(g, Lower()) == 1
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82 @test boundary_indices(g, Upper()) == 81
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83 end
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84
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85 @testset "refine" begin
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86 g = EquidistantGrid(0:0.1:1)
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87 @test refine(g, 1) == g
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88 @test refine(g, 2) == EquidistantGrid(0:0.05:1)
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89 @test refine(g, 3) == EquidistantGrid(0:(0.1/3):1)
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90 end
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91
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92 @testset "coarsen" begin
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93 g = EquidistantGrid(0:1:10)
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94 @test coarsen(g, 1) == g
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95 @test coarsen(g, 2) == EquidistantGrid(0:2:10)
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96
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97 g = EquidistantGrid(0:0.1:1)
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98 @test coarsen(g, 1) == g
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99 @test coarsen(g, 2) == EquidistantGrid(0:0.2:1)
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100
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101 g = EquidistantGrid(0:10)
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102 @test coarsen(g, 1) == EquidistantGrid(0:1:10)
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103 @test coarsen(g, 2) == EquidistantGrid(0:2:10)
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104
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105 @test_throws DomainError(3, "Size minus 1 must be divisible by the ratio.") coarsen(g, 3)
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106 end
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107 end
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109
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110 @testset "equidistant_grid" begin
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111 @test equidistant_grid(0.0,1.0, 4) isa EquidistantGrid
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112 @test equidistant_grid((0.0,0.0),(8.0,5.0), 4, 3) isa TensorGrid
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113
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114 # constuctor
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115 @test_throws DomainError equidistant_grid(0.0, 1.0, 0)
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116 @test_throws DomainError equidistant_grid(1.0, 1.0, 1)
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117 @test_throws DomainError equidistant_grid(1.0, -1.0, 1)
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118
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119 @test_throws DomainError equidistant_grid((0.0,0.0),(1.0,1.0), 0, 0)
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120 @test_throws DomainError equidistant_grid((1.0,1.0),(1.0,1.0), 1, 1)
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121 @test_throws DomainError equidistant_grid((1.0,1.0),(-1.0,-1.0), 1, 1)
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122
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123 @test_throws ArgumentError equidistant_grid((0.0,),(8.0,5.0), 4, 3, 4)
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124
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125 @testset "Base" begin
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126 @test eltype(equidistant_grid(0.0, 1.0, 4)) == Float64
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127 @test eltype(equidistant_grid((0,0),(1,3), 4, 3)) <: AbstractVector{Float64}
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128
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129 @test size(equidistant_grid(0.0, 1.0, 4)) == (4,)
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130 @test size(equidistant_grid((0.0,0.0), (2.0,1.0), 5, 3)) == (5,3)
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131
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132 @test size(equidistant_grid((0.0,0.0), (2.0,1.0), 5, 3), 1) == 5
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133 @test size(equidistant_grid((0.0,0.0), (2.0,1.0), 5, 3), 2) == 3
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134
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135 @test ndims(equidistant_grid(0.0, 1.0, 4)) == 1
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136 @test ndims(equidistant_grid((0.0,0.0), (2.0,1.0), 5, 3)) == 2
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137 end
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138
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139 @testset "getindex" begin
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140 g = equidistant_grid((-1.0,0.0), (0.0,7.11), 5, 3)
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141 gp = collect(g);
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142 p = [(-1.,0.) (-1.,7.11/2) (-1.,7.11);
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143 (-0.75,0.) (-0.75,7.11/2) (-0.75,7.11);
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144 (-0.5,0.) (-0.5,7.11/2) (-0.5,7.11);
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145 (-0.25,0.) (-0.25,7.11/2) (-0.25,7.11);
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146 (0.,0.) (0.,7.11/2) (0.,7.11)]
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147 for i ∈ eachindex(gp)
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148 @test [gp[i]...] ≈ [p[i]...] atol=5e-13
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149 end
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150 end
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151 end
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152
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153
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154 @testset "change_length" begin
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155 @test Grids.change_length(0:20, 21) == 0:20
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156 @test Grids.change_length(0:20, 11) == 0:2:20
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157 @test Grids.change_length(0:2:20, 21) == 0:20
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158
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159 @test Grids.change_length(range(0,1,length=10), 10) == range(0,1,length=10)
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160 @test Grids.change_length(range(0,1,length=10), 5) == range(0,1,length=5)
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161 @test Grids.change_length(range(0,1,length=10), 20) == range(0,1,length=20)
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162
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163 @test Grids.change_length(LinRange(1,2,10),10) == LinRange(1,2,10)
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164 @test Grids.change_length(LinRange(1,2,10),15) == LinRange(1,2,15)
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165 end