From 8a024825d26aee76431e4c7dab98f114bf51dff2 Mon Sep 17 00:00:00 2001 From: Benoit Jacob Date: Wed, 26 Sep 2007 14:06:32 +0000 Subject: fix bugs caused by default copy constructors being called. valgrind, you saved my life. --- doc/tutorial.cpp | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) (limited to 'doc/tutorial.cpp') diff --git a/doc/tutorial.cpp b/doc/tutorial.cpp index 2d881cda2..efadc9bfa 100644 --- a/doc/tutorial.cpp +++ b/doc/tutorial.cpp @@ -17,13 +17,11 @@ int main(int, char **) cout << "Here is a 2x2 matrix m:" << endl << m << endl; cout << "Let us now build a 4x4 matrix m2 by assembling together four 2x2 blocks." << endl; - Matrix m2; // dynamic matrix with initial size 4x4 and uninitialized entries + MatrixXd m2(4,4); // dynamic matrix with initial size 4x4 and uninitialized entries // notice how we are mixing fixed-size and dynamic-size types. cout << "In the top-left block, we put the matrix m shown above." << endl; m2.block(0,1,0,1) = m; - cout << "m2 is now " << endl << m2 << endl; - cout << "m2.block(0,1,0,1) has " << m2.block(0,1,0,1).rows() << " rows" << endl; cout << "In the bottom-left block, we put the matrix m*m, which is:" << endl << m*m << endl; m2.block(2,3,0,1) = m * m; cout << "In the top-right block, we put the matrix m+m, which is:" << endl << m+m << endl; -- cgit v1.2.3