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annotate test/Grids/geometry_test.jl @ 1975:79adad4a15d6 feature/grids/geometry_functions

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Implement Grids.jacobian for LineSegment
author Jonatan Werpers <jonatan@werpers.com>
date Tue, 25 Feb 2025 22:42:14 +0100
parents 3ed7ca1f60c4
children 34a7e3919e9a
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rev   line source
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1 using Diffinitive.Grids
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2 using Diffinitive.Grids: Line, LineSegment, linesegments, polygon_edges, Circle, TransfiniteInterpolationSurface, check_transfiniteinterpolation
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3 using StaticArrays
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4
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5 @testset "Line" begin
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6 @testset "Constructors" begin
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7 @test Line([1,2],[2,3]) isa Line{SVector{2,Int}}
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8 @test Line((1,2),(2,3)) isa Line{SVector{2,Int}}
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9 @test Line(@SVector[1,2],[2,3]) isa Line{SVector{2,Int}}
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10 @test Line(@SVector[1,2],@SVector[2,3]) isa Line{SVector{2,Int}}
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11
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12 @test Line([1,2],[2.,3]) isa Line{SVector{2,Float64}}
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13 @test Line(@SVector[1,2.],@SVector[2,3]) isa Line{SVector{2,Float64}}
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14 @test Line((1,2.),(2,3)) isa Line{SVector{2,Float64}}
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15 end
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16
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17 @testset "Evaluation" begin
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18 l = Line([1,2],[2,3])
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19
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20 @test l(0) == [1,2]
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21 @test l(1) == [1,2] + [2,3]
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22 @test l(1/2) == [1,2] + [2,3]/2
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23 end
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24
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25 @testset "Grids.jacobian" begin
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26 l = Line([1,2],[2,3])
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27
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28 @test Grids.jacobian(l,0) == [2,3]
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29 @test Grids.jacobian(l,1) == [2,3]
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30 @test Grids.jacobian(l,1/2) == [2,3]
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31 end
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32 end
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33
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34 @testset "LineSegment" begin
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35 @testset "Constructors" begin
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36 @test LineSegment([1,2],[2,3]) isa LineSegment{SVector{2,Int}}
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37 @test LineSegment((1,2),(2,3)) isa LineSegment{SVector{2,Int}}
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38 @test LineSegment(@SVector[1,2],[2,3]) isa LineSegment{SVector{2,Int}}
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39 @test LineSegment(@SVector[1,2],@SVector[2,3]) isa LineSegment{SVector{2,Int}}
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40
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41 @test LineSegment([1,2],[2.,3]) isa LineSegment{SVector{2,Float64}}
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42 @test LineSegment(@SVector[1,2.],@SVector[2,3]) isa LineSegment{SVector{2,Float64}}
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43 @test LineSegment((1,2.),(2,3)) isa LineSegment{SVector{2,Float64}}
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44 end
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45
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46 @testset "Evaluation" begin
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47 l = LineSegment([1,2],[2,3])
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48
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49 @test l(0) == [1,2]
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50 @test l(1) == [2,3]
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51 @test l(1/2) == [1,2]/2 + [2,3]/2
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52 end
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53
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54 @testset "Grids.jacobian" begin
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55 a, b = [1,2], [2,3]
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56 l = LineSegment(a,b)
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57 d = b-a
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58
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59 @test Grids.jacobian(l,0) == d
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60 @test Grids.jacobian(l,1) == d
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61 @test Grids.jacobian(l,1/2) == d
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62 end
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63 end
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64
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65 @testset "linesegments" begin
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66 a,b,c,d = [1,1],[2,2],[3,3],[4,4]
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67 @test linesegments(a,b) == [
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68 LineSegment(a,b),
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69 ]
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70
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71 @test linesegments(a,b,c) == [
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72 LineSegment(a,b),
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73 LineSegment(b,c),
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74 ]
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75
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76 @test linesegments(a,b,c,d) == [
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77 LineSegment(a,b),
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78 LineSegment(b,c),
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79 LineSegment(c,d),
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80 ]
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81 end
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82
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83 @testset "polygon_edges" begin
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84 a,b,c,d = [1,1],[2,2],[3,3],[4,4]
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85 @test polygon_edges(a,b) == [
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86 LineSegment(a,b),
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87 LineSegment(b,a),
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88 ]
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89
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90 @test polygon_edges(a,b,c) == [
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91 LineSegment(a,b),
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92 LineSegment(b,c),
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93 LineSegment(c,a),
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94 ]
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95
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96 @test polygon_edges(a,b,c,d) == [
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97 LineSegment(a,b),
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98 LineSegment(b,c),
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99 LineSegment(c,d),
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100 LineSegment(d,a),
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101 ]
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102 end
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103
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104 @testset "Circle" begin
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105 @testset "Constructors" begin
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106 @test Circle([1,2], 1) isa Circle{SVector{2,Int},Int}
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107 @test Circle([1,2], 1.) isa Circle{SVector{2,Int},Float64}
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108 @test Circle([1,2.], 1.) isa Circle{SVector{2,Float64},Float64}
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109 @test Circle([1,2.], 1) isa Circle{SVector{2,Float64},Int}
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110 @test Circle((1,2.), 1.) isa Circle{SVector{2,Float64},Float64}
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111 @test Circle((1,2), 1.) isa Circle{SVector{2,Int},Float64}
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112 @test Circle((1.,2), 1) isa Circle{SVector{2,Float64},Int}
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113 @test Circle((1,2), 1) isa Circle{SVector{2,Int},Int}
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114 @test Circle(@SVector[1,2], 1.) isa Circle{SVector{2,Int},Float64}
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115 @test Circle(@SVector[1,2.], 1.) isa Circle{SVector{2,Float64},Float64}
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116 end
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117
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118 @testset "Evaluation" begin
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119 c = Circle([0,0], 1)
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120 @test c(0) ≈ [1,0]
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121 @test c(π/2) ≈ [0,1]
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122 @test c(π) ≈ [-1,0]
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123 @test c(3π/2) ≈ [0,-1]
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124 @test c(π/4) ≈ [1/√(2),1/√(2)]
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125
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126 c = Circle([0,0], 2)
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127 @test c(0) ≈ [2,0]
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128 @test c(π/2) ≈ [0,2]
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129 @test c(π) ≈ [-2,0]
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130 @test c(3π/2) ≈ [0,-2]
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131 @test c(π/4) ≈ [√(2),√(2)]
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132 end
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133 end
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134
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135 @testset "TransfiniteInterpolationSurface" begin
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136 @testset "Constructors" begin
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137 @test TransfiniteInterpolationSurface(t->[1,2], t->[2,1], t->[0,0], t->[1,1]) isa TransfiniteInterpolationSurface
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138
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139 cs = polygon_edges([0,0],[1,0],[1,1],[0,1])
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140 @test TransfiniteInterpolationSurface(cs...) isa TransfiniteInterpolationSurface
1965
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141 end
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142
1973
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143 @testset "Evaluation" begin
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144 a, b, c, d = [1,0],[2,1/4],[2.5,1],[-1/3,1]
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145 cs = polygon_edges([0,0],[1,0],[1,1],[0,1])
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146 ti = TransfiniteInterpolationSurface(cs...)
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147
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148 @test ti(0,0) == [0,0]
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149 @test ti([0,0]) == [0,0]
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150 @test ti(1,0) == [1,0]
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151 @test ti([1,0]) == [1,0]
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152 @test ti(1,1) == [1,1]
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153 @test ti([1,1]) == [1,1]
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154 @test ti(0,1) == [0,1]
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155 @test ti([0,1]) == [0,1]
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156
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157 @test ti(1/2, 0) == [1/2, 0]
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158 @test ti(1/2, 1) == [1/2, 1]
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159 @test ti(0,1/2) == [0,1/2]
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160 @test ti(1,1/2) == [1,1/2]
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161
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162
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163 a, b, c, d = [1,0],[2,1/4],[2.5,1],[-1/3,1]
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164 cs = polygon_edges(a,b,c,d)
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165 ti = TransfiniteInterpolationSurface(cs...)
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166
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167 @test ti(0,0) == a
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168 @test ti(1,0) == b
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169 @test ti(1,1) == c
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170 @test ti(0,1) == d
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171
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172 @test ti(1/2, 0) == (a+b)/2
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173 @test ti(1/2, 1) == (c+d)/2
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174 @test ti(0, 1/2) == (a+d)/2
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175 @test ti(1, 1/2) == (b+c)/2
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176
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177 # TODO: Some test with curved edges?
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178 end
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179
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180 @testset "check_transfiniteinterpolation" begin
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181 cs = polygon_edges([0,0],[1,0],[1,1],[0,1])
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182 ti = TransfiniteInterpolationSurface(cs...)
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183
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184 @test check_transfiniteinterpolation(ti) == nothing
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185 @test check_transfiniteinterpolation(Bool, ti) == true
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186
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187 bad_sides = [
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188 LineSegment([0,0],[1/2,0]),
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189 LineSegment([1,0],[1,1/2]),
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190 LineSegment([1,1],[0,1/2]),
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191 LineSegment([0,1],[0,1/2]),
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192 ]
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193
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194 s1 = TransfiniteInterpolationSurface(bad_sides[1],cs[2],cs[3],cs[4])
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195 s2 = TransfiniteInterpolationSurface(cs[1],bad_sides[2],cs[3],cs[4])
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196 s3 = TransfiniteInterpolationSurface(cs[1],cs[2],bad_sides[3],cs[4])
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197 s4 = TransfiniteInterpolationSurface(cs[1],cs[2],cs[3],bad_sides[4])
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198
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199 @test check_transfiniteinterpolation(Bool, s1) == false
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200 @test check_transfiniteinterpolation(Bool, s2) == false
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201 @test check_transfiniteinterpolation(Bool, s3) == false
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202 @test check_transfiniteinterpolation(Bool, s4) == false
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203
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204 @test_throws Exception check_transfiniteinterpolation(s1)
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205 @test_throws Exception check_transfiniteinterpolation(s2)
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206 @test_throws Exception check_transfiniteinterpolation(s3)
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207 @test_throws Exception check_transfiniteinterpolation(s4)
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208 end
1915
c003685d9926 Add geometry functions removed from feature/grids/manifolds
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209 end