[a little big]matrix dim added, now use m:dim() to determine whether vector or matrix

1 files changed, 1 insertions, 0 deletions

diff --git a/nerv/lib/matrix/matrix.h b/nerv/lib/matrix/matrix.h
index cbf32c2..67a6e30 100644
--- a/nerv/lib/matrix/matrix.h
+++ b/nerv/lib/matrix/matrix.h
@@ -6,6 +6,7 @@
 typedef struct Matrix {
     size_t stride;              /* size of a row */
     long ncol, nrow, nmax;    /* dimension of the matrix */
+    int dim; /* dim == 2 for a matrix, dim == 1 for row vector */
     union {
         float *f;
         double *d;