33 lines
1.0 KiB
C++
33 lines
1.0 KiB
C++
//
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// Created by jholder on 21.10.21.
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//
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#include <Eigen/Dense>
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#include <catch2/catch.hpp>
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#include "Rod2d.hpp"
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#include "vec_trafos.h"
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TEST_CASE("Rods") {
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Rod2d sphere(1);
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Rod2d rod(2);
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SECTION("Checking translation") {
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rod.setPos(rod.getPos() + Eigen::Vector2d(1, -1));
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auto newPos = rod.getPos();
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REQUIRE(newPos[0] == 1);
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REQUIRE(newPos[1] == -1);
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REQUIRE(sphere.getDiff_Sqrt()(0, 0) == 1.0);
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REQUIRE(sphere.getDiff_Sqrt()(0, 1) == 0.0);
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REQUIRE(sphere.getDiff_Sqrt()(1, 0) == 0.0);
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REQUIRE(sphere.getDiff_Sqrt()(1, 1) == 1.0);
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}
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SECTION("Checking rotation") {
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double f1 = GENERATE(take(10, random(-100, 100)));
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double f2 = GENERATE(take(10, random(-100, 100)));
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rod.setE(Eigen::Vector2d({f1, f2}).normalized());
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auto test = Eigen::Vector2d({1, 0});
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auto e = rod.getE();
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auto erg = (rotation_Matrix(e) * test).normalized();
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REQUIRE(erg.isApprox(e));
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}
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} |