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New norms and division by scalar
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Quinn
2025-06-02 16:19:23 -04:00
parent 60a2b12b5f
commit 64820553c7
5 changed files with 40 additions and 23 deletions
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10
unit-tests/matrix-tests.cpp
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@@ -373,13 +373,15 @@ float matrixSum(const Matrix<rows, columns> &matrix) {
return std::sqrt(sum);
}
// TODO: Add test for scalar division
TEST_CASE("Normalization", "Matrix") {
SECTION("2x2 Normalize") {
Matrix<2, 2> mat1{1, 2, 3, 4};
Matrix<2, 2> mat2{};
mat2 = mat1.EuclideanNorm();
mat2 = mat1 / mat1.EuclideanNorm();
float sqrt_30{static_cast<float>(sqrt(30.0f))};
@@ -394,7 +396,7 @@ TEST_CASE("Normalization", "Matrix") {
SECTION("2x1 (Vector) Normalize") {
Matrix<2, 1> mat1{-0.878877044, 2.92092276};
Matrix<2, 1> mat2{};
mat2 = mat1.EuclideanNorm();
mat2 = mat1 / mat1.EuclideanNorm();
REQUIRE_THAT(mat2.Get(0, 0),
Catch::Matchers::WithinRel(-0.288129855179f, 1e-6f));
@@ -408,13 +410,13 @@ TEST_CASE("Normalization", "Matrix") {
SECTION("Normalized vectors sum to 1") {
Matrix<9, 1> mat1{1, 2, 3, 4, 5, 6, 7, 8, 9};
Matrix<9, 1> mat2;
mat2 = mat1.EuclideanNorm();
mat2 = mat1 / mat1.EuclideanNorm();
float sum = matrixSum(mat2);
REQUIRE_THAT(sum, Catch::Matchers::WithinRel(1.0f, 1e-6f));
Matrix<2, 3> mat3{1, 2, 3, 4, 5, 6};
Matrix<2, 3> mat4{};
mat4 = mat3.EuclideanNorm();
mat4 = mat3 / mat3.EuclideanNorm();
sum = matrixSum(mat4);
REQUIRE_THAT(sum, Catch::Matchers::WithinRel(1.0f, 1e-6f));
}