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authorYi Kong <yikong@google.com>2022-02-25 15:53:09 +0000
committerAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>2022-02-25 15:53:09 +0000
commit10f298fc4175c1b8537c674f654a070c871960e5 (patch)
treefb979fb4cf4f8052c8cc66b1ec9516d91fcd859b /doc/examples/class_Reshaped.cpp
parent892aea0d75825c43d5b630e2060622cbba23694c (diff)
parent79df15ea886a5fc1b85de433f9b3518c68934bae (diff)
downloadeigen-10f298fc4175c1b8537c674f654a070c871960e5.tar.gz
Original change: https://android-review.googlesource.com/c/platform/external/eigen/+/1999079 Change-Id: I0c5108390c595f0d39af8797875f2b88accb7b56
Diffstat (limited to 'doc/examples/class_Reshaped.cpp')
-rw-r--r--doc/examples/class_Reshaped.cpp23
1 files changed, 23 insertions, 0 deletions
diff --git a/doc/examples/class_Reshaped.cpp b/doc/examples/class_Reshaped.cpp
new file mode 100644
index 000000000..18fb45454
--- /dev/null
+++ b/doc/examples/class_Reshaped.cpp
@@ -0,0 +1,23 @@
+#include <Eigen/Core>
+#include <iostream>
+using namespace std;
+using namespace Eigen;
+
+template<typename Derived>
+const Reshaped<const Derived>
+reshape_helper(const MatrixBase<Derived>& m, int rows, int cols)
+{
+ return Reshaped<const Derived>(m.derived(), rows, cols);
+}
+
+int main(int, char**)
+{
+ MatrixXd m(3, 4);
+ m << 1, 4, 7, 10,
+ 2, 5, 8, 11,
+ 3, 6, 9, 12;
+ cout << m << endl;
+ Ref<const MatrixXd> n = reshape_helper(m, 2, 6);
+ cout << "Matrix m is:" << endl << m << endl;
+ cout << "Matrix n is:" << endl << n << endl;
+}