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Working on polishing functions

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This commit is contained in:
Quinn Henthorne
2024-12-11 17:30:47 -05:00
parent 9cbaeb2c27
commit 7d7d89c676
3 changed files with 328 additions and 175 deletions
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103
unit-tests/matrix-tests.cpp
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@@ -1,14 +1,16 @@
// include the unit test framework first
#include <catch2/catch_test_macros.hpp>
#include <catch2/matchers/catch_matchers_floating_point.hpp>
// include the module you're going to test next
#include "Matrix.hpp"
// any other libraries
#include <array>
#include <cmath>
#include <iostream>
TEST_CASE("Elementary Matrix Operations", "Matrix::Add") {
TEST_CASE("Elementary Matrix Operations", "Matrix") {
std::array<float, 4> arr1{1, 2, 3, 4};
std::array<float, 4> arr2{5, 6, 7, 8};
Matrix<2, 2> mat1{arr1};
@@ -58,6 +60,8 @@ TEST_CASE("Elementary Matrix Operations", "Matrix::Add") {
REQUIRE(mat3.Get(0, 1) == 22);
REQUIRE(mat3.Get(1, 0) == 43);
REQUIRE(mat3.Get(1, 1) == 50);
// try a non-square matrix
}
SECTION("Scalar Multiplication") {
@@ -68,4 +72,101 @@ TEST_CASE("Elementary Matrix Operations", "Matrix::Add") {
REQUIRE(mat3.Get(1, 0) == 6);
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);
REQUIRE(mat3.Get(0, 0) == 5);
REQUIRE(mat3.Get(0, 1) == 12);
REQUIRE(mat3.Get(1, 0) == 21);
REQUIRE(mat3.Get(1, 1) == 32);
}
SECTION("Element Divide") {
mat1.ElementDivide(mat2, mat3);
REQUIRE(mat3.Get(0, 0) == 1 / 5);
REQUIRE(mat3.Get(0, 1) == 2 / 6);
REQUIRE(mat3.Get(1, 0) == 3 / 7);
REQUIRE(mat3.Get(1, 1) == 4 / 8);
}
SECTION("Determinant") {
float det1 = mat1.Det();
REQUIRE_THAT(det1, Catch::Matchers::WithinRel(-2.0F, 1e-6f));
std::array<float, 9> arr4{1, 2, 3, 4, 5, 6, 7, 8, 9};
Matrix<3, 3> mat4{arr4};
float det4 = mat4.Det();
REQUIRE_THAT(det4, Catch::Matchers::WithinRel(0.0F, 1e-6f));
std::array<float, 9> arr5{1, 0, 0, 0, 2, 0, 0, 0, 3};
Matrix<3, 3> mat5{arr5};
float det5 = mat5.Det();
REQUIRE_THAT(det5, Catch::Matchers::WithinRel(6.0F, 1e-6f));
}
SECTION("Invert"){};
SECTION("Transpose") {
// transpose a square matrix
mat1.Transpose(mat3);
REQUIRE(mat3.Get(0, 0) == 1);
REQUIRE(mat3.Get(0, 1) == 3);
REQUIRE(mat3.Get(1, 0) == 2);
REQUIRE(mat3.Get(1, 1) == 4);
// transpose a non-square matrix
std::array<float, 6> arr4{1, 2, 3, 4, 5, 6};
Matrix<2, 3> mat4{arr4};
Matrix<3, 2> mat5{};
mat4.Transpose(mat5);
REQUIRE(mat5.Get(0, 0) == 1);
REQUIRE(mat5.Get(0, 1) == 4);
REQUIRE(mat5.Get(1, 0) == 2);
REQUIRE(mat5.Get(1, 1) == 5);
REQUIRE(mat5.Get(2, 0) == 3);
REQUIRE(mat5.Get(2, 1) == 6);
}
SECTION("Normalize") {
mat1.Normalize(mat3);
float sqrt_30{sqrt(30)};
REQUIRE(mat3.Get(0, 0) == 1 / sqrt_30);
REQUIRE(mat3.Get(0, 1) == 2 / sqrt_30);
REQUIRE(mat3.Get(1, 0) == 3 / sqrt_30);
REQUIRE(mat3.Get(1, 1) == 4 / sqrt_30);
std::array<float, 2> arr4{-0.878877044, 2.92092276};
Matrix<2, 1> mat4{arr4};
Matrix<2, 1> mat5{};
mat4.Normalize(mat5);
REQUIRE_THAT(mat5.Get(0, 0),
Catch::Matchers::WithinRel(-0.288129855179f, 1e-6f));
REQUIRE_THAT(mat5.Get(1, 0),
Catch::Matchers::WithinRel(0.957591346325f, 1e-6f));
}
SECTION("GET ROW") {}
SECTION("GET COLUMN") {}
}