add stuff

src/Matrix.h

@@ -1,5 +1,7 @@
 #pragma once
 
+#include <cmath>
+#include <cstddef>
 #include <string>
 #include <vector>
 
@@ -15,6 +17,9 @@ class Matrix {
 	Matrix(std::size_t lignes, std::size_t colonnes, std::initializer_list<long double>&& initList);
 	~Matrix();
 
+	std::size_t GetRawCount() const;
+	std::size_t GetColumnCount() const;
+
 	Matrix operator*(const Matrix& other) const;
 
 	void GaussNonJordan(bool reduite);
@@ -31,12 +36,14 @@ class Matrix {
 
 	void Load(const std::string& filename);
 
-	void Transpose();
+	Matrix Transpose() const;
 
 	void Identity();
 
 	bool IsInversed() const;
 
+	Matrix SubMatrix(std::size_t origine_ligne, std::size_t origine_colonne, std::size_t ligne, std::size_t colonne) const;
+
 	bool operator==(const Matrix& other) const;
 
 	long double& operator[](std::size_t indice);
@@ -46,4 +53,7 @@ class Matrix {
 	long double at(std::size_t ligne, std::size_t colonne) const;
 };
 
-static bool IsEqualZero(long double var);
+template <typename T>
+bool IsEqualZero(T var) {
+	return std::abs(var) < std::pow(10, -5);
+}