1 files changed, 2 insertions, 1 deletions
diff --git a/matrix.h b/matrix.h
index 2546152..c3138e2 100644
--- a/matrix.h
+++ b/matrix.h
@@ -17,6 +17,8 @@
 
 #define matrix_is_vec(mat) (matrix_is_colvec(mat) || matrix_is_rowvec(mat))
 
+#define matrix_is_square(mat) ((mat)->m == (mat)->n)
+
 #define TRUE 1
 #define FALSE 0
 
@@ -59,7 +61,6 @@ Matrix *matrix_scale(const Matrix *A, double x);
 Matrix *matrix_sub(const Matrix *A, const Matrix *B);
 Matrix *matrix_mult(const Matrix *A, const Matrix *B);
 Matrix *matrix_rand(size_t m, size_t n, int bound_l, int bound_u, MatrixType type);
-int matrix_is_square(const Matrix *mat);
 int matrix_eq(const Matrix *A, const Matrix *B, double tol);
 double matrix_norm_frob(const Matrix *mat);
 Matrix **matrix_LR(const Matrix *A, const Matrix *b);