fix some bugs.

Author: Certseeds

src/Matrix.hpp

@@ -220,7 +220,6 @@ namespace Mat_pro {
 
         T determinant() const;
 
-
         Matrix<T> convolution(const Matrix<T> &kernel, int32_t padding = 0, int32_t stride = 1) const;
 
         Matrix<T>
@@ -706,15 +705,15 @@ namespace Mat_pro {
 
     template<typename T>
     T Matrix<T>::determinant() const {
-        T will_return(0);
         if (!this->is_square()) {
             throw Matrix_Shape_Not_Match_Exception(
                     "this Matrix is not Squre, can not get determinant", __FILE__, __LINE__);
-            return will_return;
+            //return will_return;
         }
         return determinant_in(this->vec);
     }
 
+
     template<typename T>
     Matrix<T> Matrix<T>::conj() const {
         vector<vector<T>> vvc(this->rows(), vector<T>(this->cols()));

src/test_matrix_1.cpp

@@ -871,7 +871,7 @@ TEST_CASE("test for row_exchange in test 5") {
                                {3, 4}};
     Matrix<double_t> result1 = {{3, 4},
                                 {1, 2}};
-    CHECK(Matrix<double_t>::inside_equal(result1, matrix.row_exchange(0,1)));
+    CHECK(Matrix<double_t>::inside_equal(result1, matrix.row_exchange(0, 1)));
     CHECK(!Matrix<double_t>::inside_equal(result1, matrix));
 }
 
@@ -903,8 +903,6 @@ TEST_CASE("eigenvalue", "[test 5]") {
     }
     cout << endl;
     cout << "m1's eigenvector:\n";
-
-
     Matrix<int32_t> m2 = {{9, 3, 5},
                           {2, 6, 7},
                           {4, 8, 1}};