Index: tol/btol/matrix_type/matgra.cpp
===================================================================
--- tol/btol/matrix_type/matgra.cpp	(revision a721096a08c9030bbdedfccfe33a6fccca5c6e93)
+++ tol/btol/matrix_type/matgra.cpp	(revision 9946bee4908bf5ced7cbabe32b6d95d9a07b30c6)
@@ -3254,5 +3254,5 @@
   c = dMat(Arg(1));
   DMat& d = dMat(Arg(2));
-  register int m = c.Columns();
+  register int m = c.Rows();
   register int n = c.Columns();
   register int i, j;
@@ -3292,5 +3292,5 @@
   DMat& d = dMat(Arg(1));
   c = dMat(Arg(2));
-  register int m = c.Columns();
+  register int m = c.Rows();
   register int n = c.Columns();
   register int i, j;