add basic test

src/Matrix.cpp

@@ -134,6 +134,20 @@ bool Matrix::IsInversed() const {
 	return true;
 }
 
+bool Matrix::operator==(const Matrix& other) const {
+	if (m_Lignes != other.m_Lignes || m_Colonnes != other.m_Colonnes)
+		return false;
+
+	for (std::size_t i = 0; i < m_Lignes; i++) {
+		for (std::size_t j = 0; j < m_Colonnes; j++) {
+			if (!IsEqualZero(at(i, j) - other.at(i, j)))
+				return false;
+		}
+	}
+
+	return true;
+}
+
 void Matrix::GaussNonJordan(bool reduite) {
 	int r = -1;
 	for (std::size_t j = 0; j < m_Colonnes; j++) {