From 97889a7f465bda06ae7617f5f2d8fe31cf1dce68 Mon Sep 17 00:00:00 2001
From: Carlos Becker <carlosbecker@gmail.com>
Date: Mon, 28 Jun 2010 18:42:59 +0100
Subject: Added Block Operations tutorial and code examples

---
 .../Tutorial_BlockOperations_block_assignment.cpp  | 31 ++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 doc/examples/Tutorial_BlockOperations_block_assignment.cpp

(limited to 'doc/examples/Tutorial_BlockOperations_block_assignment.cpp')

diff --git a/doc/examples/Tutorial_BlockOperations_block_assignment.cpp b/doc/examples/Tutorial_BlockOperations_block_assignment.cpp
new file mode 100644
index 000000000..0419a500f
--- /dev/null
+++ b/doc/examples/Tutorial_BlockOperations_block_assignment.cpp
@@ -0,0 +1,31 @@
+#include <Eigen/Dense>
+#include <iostream>
+
+using namespace std;
+using namespace Eigen;
+
+int main()
+{
+  MatrixXf m(3,3), n(2,2);
+  
+  m << 1,2,3,
+       4,5,6,
+       7,8,9;
+       
+  // assignment through a block operation,
+  //  block as rvalue
+  n = m.block(0,0,2,2);
+  
+  //print n
+  cout << "n = " << endl << n << endl << endl;
+  
+  
+  n << 1,1,
+       1,1;
+        
+  // block as lvalue
+  m.block(0,0,2,2) = n;
+  
+  //print m
+  cout << "m = " << endl << m << endl;
+}
-- 
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