comparison test/Grids/geometry_test.jl @ 2013:7895b509f9bf feature/grids/geometry_functions

Implement Grids.jacobian for Arc
author Jonatan Werpers <jonatan@werpers.com>
date Wed, 07 May 2025 15:25:25 +0200
parents 4617e4b74b82
children 5c2448d6a201
comparison
equal deleted inserted replaced
2012:4617e4b74b82 2013:7895b509f9bf
175 @test a(1/2) ≈ [1/√(2),1/√(2)] 175 @test a(1/2) ≈ [1/√(2),1/√(2)]
176 @test a(2/3) ≈ [1/2, √(3)/2] 176 @test a(2/3) ≈ [1/2, √(3)/2]
177 @test a(1) ≈ [0,1] 177 @test a(1) ≈ [0,1]
178 178
179 @testset "Grids.jacobian" begin 179 @testset "Grids.jacobian" begin
180 @test_broken false 180 c = Circle([0,0], 1)
181
182 @testset "Matched to circle" begin
183 a = Arc(c, 0, 1)
184 @testset for t ∈ range(0,1,8)
185 @test jacobian(a,t) ≈ jacobian(c,t)
186 end
187 end
188
189 @testset "Full circle" begin
190 a = Arc(c, 0, 2π)
191 @testset for t ∈ range(0,1,8)
192 @test jacobian(a,t) ≈ 2π*jacobian(c,t)
193 end
194 end
195
196 @testset "Other" begin
197 a = Arc(c, π/3, 5π/4)
198 @testset for t ∈ range(0,1,8)
199 @test jacobian(a,t) ≈ 11π/12*jacobian(c,t)
200 end
201 end
181 end 202 end
182 end 203 end
183 204
184 @testset "arc" begin 205 @testset "arc" begin
185 a = [0,0] 206 a = [0,0]