rename rotate

main.cpp

@@ -80,8 +80,8 @@ void matrix_main() {
   std::cout << m.determinant() << std::endl;
   std::cout << "The matrix n:" << std::endl;
   std::cout << n << std::endl;
-  std::cout << "The matrix n roted by one pi radian:" << std::endl;
+  std::cout << "The matrix n roted:" << std::endl;
-  std::cout << n.rotate_by_one_pi() << std::endl;
+  std::cout << n.rotate() << std::endl;
   std::cout << "The determinant of matrix n:" << std::endl;
   std::cout << n.determinant() << std::endl;
   std::cout << "The matrix n's transpose:" << std::endl;