130 lines
3.1 KiB
C++
130 lines
3.1 KiB
C++
#include <jtest/jtest.hpp>
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#include <J3ML/LinearAlgebra/Matrix4x4.h>
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#include <J3ML/LinearAlgebra/Quaternion.h>
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using namespace J3ML::LinearAlgebra;
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int Matrix4x4Tests() {
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TEST("Mat4x4::Add_Unary", []
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{
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Matrix4x4 m(1,2,3,4, 5,6,7,8, 9,10,11,12, 13,14,15,16);
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Matrix4x4 m2 = +m;
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jtest::check(m.Equals(m2));
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});
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TEST("Mat4x4::Inverse", [] {
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RNG rng;
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Matrix4x4 A = Matrix4x4::RandomGeneral(rng, -10.f, 10.f);
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bool mayFail = Math::EqualAbs(A.Determinant(), 0.f, 1e-2f);
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Matrix4x4 A2 = A;
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bool success = A2.Inverse();
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jtest::check(success || mayFail);
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if (success)
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{
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Matrix4x4 id = A * A2;
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Matrix4x4 id2 = A2 * A;
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jtest::check(id.Equals(Matrix4x4::Identity, 0.3f));
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jtest::check(id2.Equals(Matrix4x4::Identity, 0.3f));
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}
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});
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TEST("Mat4x4::Ctor", []{
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RNG rng;
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Matrix3x3 m = Matrix3x3::RandomGeneral(rng, -10.f, 10.f);
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Matrix4x4 m2(m);
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for (int y = 0; y < 3; ++y)
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for (int x = 0; x < 3; ++x)
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assert(Math::EqualAbs(m.At(y, x), m2.At(y, x)));
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jtest::check(Math::EqualAbs(m2[0][3], 0.f));
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jtest::check(Math::EqualAbs(m2[1][3], 0.f));
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jtest::check(Math::EqualAbs(m2[2][3], 0.f));
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jtest::check(Math::EqualAbs(m2[3][0], 0.f));
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jtest::check(Math::EqualAbs(m2[3][1], 0.f));
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jtest::check(Math::EqualAbs(m2[3][2], 0.f));
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jtest::check(Math::EqualAbs(m2[3][3], 0.f));
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});
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TEST("Mat4x4::SetRow", []
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{
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Matrix4x4 m;
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m.SetRow(0, 1,2,3,4);
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m.SetRow(1, Vector4(5,6,7,8));
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m.SetRow(2, 9,10,11,12);
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m.SetRow(3, 13, 14, 15, 16);
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Matrix4x4 m3(1,2,3,4, 5,6,7,8, 9,10,11,12, 13,14,15,16);
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Matrix4x4 m2;
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m2.Set(1,2,3,4, 5,6,7,8, 9,10,11,12, 13,14,15,16);
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jtest::check(m.Equals(m2));
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jtest::check(m.Equals(m3));
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});
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TEST("Mat4x4::SwapRows", []
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{
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Matrix4x4 m(1,2,3,4, 5,6,7,8, 9,10,11,12, 13,14,15,16);
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Matrix4x4 m2(13,14,15,16, 9,10,11,12, 5,6,7,8, 1,2,3,4);
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m.SwapRows(0,3);
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m.SwapRows(1,2);
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jtest::check(m.Equals(m2));
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});
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TEST("Mat4x4::CtorCols", []
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{
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Matrix4x4 m(Vector4(1,2,3,4), Vector4(5,6,7,8), Vector4(9,10,11,12), Vector4(13,14,15,16));
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Matrix4x4 m2(1,5,9,13, 2,6,10,14, 3,7,11,15, 4,8,12,16);
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jtest::check(m.Equals(m2));
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});
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TEST("Mat4x4::CtorFromQuat", []
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{
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RNG rng;
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// TODO: Multiple random passes
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Quaternion q = Quaternion::RandomRotation(rng);
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Matrix4x4 m(q);
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Vector3 v = Vector3(-1, 5, 20.f);
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Vector3 v1 = q * v;
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Vector3 v2 = m.Transform(v); //m.TransformPos(v);
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jtest::check(v1.Equals(v2));
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});
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TEST("Mat4x4::CtorFromQuatTrans", [] {});
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TEST("Mat4x4::Translate", [] {});
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TEST("Mat4x4::Scale", [] {});
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TEST("Mat4x4::InverseOrthogonalUniformScale", [] {});
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TEST("Mat4x4::InverseOrthonormal", [] {});
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TEST("Mat4x4::DeterminantCorrectness", [] { });
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TEST("Mat4x4::MulMat3x3", [] {});
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return 0;
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}
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