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Fixed matrix inversion

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This commit is contained in:
Quinn Henthorne
2024-12-13 10:04:06 -05:00
parent 8fa9d8c77c
commit 5bbdefa4cf
2 changed files with 50 additions and 48 deletions
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43
unit-tests/matrix-tests.cpp
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@@ -116,15 +116,6 @@ TEST_CASE("Elementary Matrix Operations", "Matrix") {
REQUIRE(mat3.Get(1, 1) == 8);
}
SECTION("Squaring") {
mat1.Square(mat3);
REQUIRE(mat3.Get(0, 0) == 7);
REQUIRE(mat3.Get(0, 1) == 10);
REQUIRE(mat3.Get(1, 0) == 15);
REQUIRE(mat3.Get(1, 1) == 22);
}
SECTION("Element Multiply") {
mat1.ElementMultiply(mat2, mat3);
@@ -199,12 +190,34 @@ TEST_CASE("Elementary Matrix Operations", "Matrix") {
REQUIRE_THAT(det5, Catch::Matchers::WithinRel(6.0F, 1e-6f));
}
SECTION("Invert"){
// mat1.Invert(mat3);
// REQUIRE_THAT(mat3.Get(0, 0), Catch::Matchers::WithinRel(-2.0F, 1e-6f));
// REQUIRE_THAT(mat3.Get(0, 0), Catch::Matchers::WithinRel(1.0F, 1e-6f));
// REQUIRE_THAT(mat3.Get(0, 0), Catch::Matchers::WithinRel(1.5F, 1e-6f));
// REQUIRE_THAT(mat3.Get(0, 0), Catch::Matchers::WithinRel(-0.5F, 1e-6f));
SECTION("Matrix of Minors") {
mat1.MatrixOfMinors(mat3);
REQUIRE_THAT(mat3.Get(0, 0), Catch::Matchers::WithinRel(4.0F, 1e-6f));
REQUIRE_THAT(mat3.Get(0, 1), Catch::Matchers::WithinRel(3.0F, 1e-6f));
REQUIRE_THAT(mat3.Get(1, 0), Catch::Matchers::WithinRel(2.0F, 1e-6f));
REQUIRE_THAT(mat3.Get(1, 1), Catch::Matchers::WithinRel(1.0F, 1e-6f));
std::array<float, 9> arr4{1, 2, 3, 4, 5, 6, 7, 8, 9};
Matrix<3, 3> mat4{arr4};
Matrix<3, 3> mat5{0};
mat4.MatrixOfMinors(mat5);
REQUIRE_THAT(mat5.Get(0, 0), Catch::Matchers::WithinRel(-3.0F, 1e-6f));
REQUIRE_THAT(mat5.Get(0, 1), Catch::Matchers::WithinRel(-6.0F, 1e-6f));
REQUIRE_THAT(mat5.Get(0, 2), Catch::Matchers::WithinRel(-3.0F, 1e-6f));
REQUIRE_THAT(mat5.Get(1, 0), Catch::Matchers::WithinRel(-6.0F, 1e-6f));
REQUIRE_THAT(mat5.Get(1, 1), Catch::Matchers::WithinRel(-12.0F, 1e-6f));
REQUIRE_THAT(mat5.Get(1, 2), Catch::Matchers::WithinRel(-6.0F, 1e-6f));
REQUIRE_THAT(mat5.Get(2, 0), Catch::Matchers::WithinRel(-3.0F, 1e-6f));
REQUIRE_THAT(mat5.Get(2, 1), Catch::Matchers::WithinRel(-6.0F, 1e-6f));
REQUIRE_THAT(mat5.Get(2, 2), Catch::Matchers::WithinRel(-3.0F, 1e-6f));
}
SECTION("Invert") {
mat1.Invert(mat3);
REQUIRE_THAT(mat3.Get(0, 0), Catch::Matchers::WithinRel(-2.0F, 1e-6f));
REQUIRE_THAT(mat3.Get(0, 1), Catch::Matchers::WithinRel(1.0F, 1e-6f));
REQUIRE_THAT(mat3.Get(1, 0), Catch::Matchers::WithinRel(1.5F, 1e-6f));
REQUIRE_THAT(mat3.Get(1, 1), Catch::Matchers::WithinRel(-0.5F, 1e-6f));
};
SECTION("Transpose") {