Initial commit

matrix.cpp

@@ -0,0 +1,21 @@
+#include "matrix.hpp"
+#include <array>
+
+Matrix::Matrix(int rows, int cols) : data(rows*cols, 0.0), rows(rows), cols(cols) {}
+
+std::array<int, 2> Matrix::size() const {return {rows, cols};}
+
+double& Matrix::operator()(int i, int j) {return data[i*cols+j];}
+double Matrix::operator()(int i, int j) const {return data[i*cols+j];}
+
+void Matrix::print() const {
+    std::cout << "---\n";
+    for (int x=0; x<rows; x++) {
+        for (int y=0; y<cols; y++) {
+            std::cout << data[x*cols+y] << " ";
+        }
+        std::cout << "\n";
+    }
+    std::cout << "---";
+    std::cout << std::endl;
+}