1 files changed, 4 insertions, 0 deletions
diff --git a/matrix.h b/matrix.h
index 7c5da78..63f1441 100644
--- a/matrix.h
+++ b/matrix.h
@@ -32,6 +32,10 @@ char *matrix_to_str(const Matrix *mat);
 Matrix *matrix_id(size_t n);
 Matrix *matrix_const(size_t m, size_t n, double x);
 Matrix *matrix_copy (const Matrix *mat);
+Matrix *matrix_swap_rows(const Matrix *mat, size_t i, size_t j);
+void matrix_swap_rows1(Matrix *mat, size_t i, size_t j);
+Matrix *matrix_swap_cols(const Matrix *mat, size_t i, size_t j);
+void matrix_swap_cols1(const Matrix *mat, size_t i, size_t j);
 double matrix_trace(const Matrix *mat);
 Matrix *matrix_transpose(const Matrix *mat);
 Matrix *matrix_add(const Matrix *A, const Matrix *B);