update

1 files changed, 7 insertions, 0 deletions

diff --git a/eigen/doc/snippets/MatrixBase_cwiseEqual.cpp b/eigen/doc/snippets/MatrixBase_cwiseEqual.cpp
new file mode 100644
index 0000000..eb3656f
--- /dev/null
+++ b/eigen/doc/snippets/MatrixBase_cwiseEqual.cpp
@@ -0,0 +1,7 @@
+MatrixXi m(2,2);
+m << 1, 0,
+     1, 1;
+cout << "Comparing m with identity matrix:" << endl;
+cout << m.cwiseEqual(MatrixXi::Identity(2,2)) << endl;
+int count = m.cwiseEqual(MatrixXi::Identity(2,2)).count();
+cout << "Number of coefficients that are equal: " << count << endl;