Added timing tests for matrix math

unit-tests/matrix-tests.cpp

@@ -303,8 +303,98 @@ TEST_CASE("Timing Tests", "Matrix") {
   Matrix<50, 50> mat2{arr2};
   Matrix<50, 50> mat3{};
 
-  // TODO: the timing results should be saved to a temporary text file
-  // TODO: after the timing results are complete we should read in the old
-  // result file, calculate the timing increase/decrease and update the file
-  // with the new results and increase/decrease
+  // A smaller matrix to use for really badly optimized operations
+  std::array<float, 16> arr4{1, 2,  3,  4,  5,  6,  7,  8,
+                             9, 10, 11, 12, 13, 14, 15, 16};
+  Matrix<4, 4> mat4{arr4};
+  Matrix<4, 4> mat5{};
+
+  SECTION("Addition") {
+    for (uint32_t i{0}; i < 10000; i++) {
+      mat3 = mat1 + mat2;
+    }
+  }
+
+  SECTION("Subtraction") {
+    for (uint32_t i{0}; i < 10000; i++) {
+      mat3 = mat1 - mat2;
+    }
+  }
+
+  SECTION("Multiplication") {
+    for (uint32_t i{0}; i < 1000; i++) {
+      mat3 = mat1 * mat2;
+    }
+  }
+
+  SECTION("Scalar Multiplication") {
+    for (uint32_t i{0}; i < 10000; i++) {
+      mat3 = mat1 * 3;
+    }
+  }
+
+  SECTION("Element Multiply") {
+    for (uint32_t i{0}; i < 10000; i++) {
+      mat1.ElementMultiply(mat2, mat3);
+    }
+  }
+
+  SECTION("Element Divide") {
+    for (uint32_t i{0}; i < 10000; i++) {
+      mat1.ElementDivide(mat2, mat3);
+    }
+  }
+
+  SECTION("Minor Matrix") {
+    // what about matrices of 0,0 or 1,1?
+    // minor matrix for 2x2 matrix
+    Matrix<49, 49> minorMat1{};
+    for (uint32_t i{0}; i < 10000; i++) {
+      mat1.MinorMatrix(minorMat1, 0, 0);
+    }
+  }
+
+  SECTION("Determinant") {
+    for (uint32_t i{0}; i < 100000; i++) {
+      float det1 = mat4.Det();
+    }
+  }
+
+  SECTION("Matrix of Minors") {
+    for (uint32_t i{0}; i < 100000; i++) {
+      mat4.MatrixOfMinors(mat5);
+    }
+  }
+
+  SECTION("Invert") {
+    for (uint32_t i{0}; i < 100000; i++) {
+      mat4.Invert(mat5);
+    }
+  };
+
+  SECTION("Transpose") {
+    for (uint32_t i{0}; i < 10000; i++) {
+      mat1.Transpose(mat3);
+    }
+  }
+
+  SECTION("Normalize") {
+    for (uint32_t i{0}; i < 10000; i++) {
+      mat1.Normalize(mat3);
+    }
+  }
+
+  SECTION("GET ROW") {
+    Matrix<1, 50> mat1Rows{};
+    for (uint32_t i{0}; i < 1000000; i++) {
+      mat1.GetRow(0, mat1Rows);
+    }
+  }
+
+  SECTION("GET COLUMN") {
+    Matrix<50, 1> mat1Columns{};
+    for (uint32_t i{0}; i < 1000000; i++) {
+      mat1.GetColumn(0, mat1Columns);
+    }
+  }
 }