| [eigen] Snippet for select |
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- To: eigen@xxxxxxxxxxxxxxxxxxx
- Subject: [eigen] Snippet for select
- From: Ricard Marxer Piñón <email@xxxxxxxxxxxxxxxx>
- Date: Sat, 17 Jan 2009 10:53:50 +0100
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Here is a small patch to have an example for select(). At least the next newbie will not bother the devs as much as I do, je je
--
ricard
http://www.ricardmarxer.com
http://www.caligraft.com
Index: doc/snippets/MatrixBase_select.cpp
===================================================================
--- doc/snippets/MatrixBase_select.cpp (revision 0)
+++ doc/snippets/MatrixBase_select.cpp (revision 0)
@@ -0,0 +1,6 @@
+MatrixXi m(3, 3);
+m << 1, 2, 3,
+ 4, 5, 6,
+ 7, 8, 9;
+m = (m.cwise() >= 5).select(-m, m);
+cout << m << endl;
Index: Eigen/src/Array/Select.h
===================================================================
--- Eigen/src/Array/Select.h (revision 911551)
+++ Eigen/src/Array/Select.h (working copy)
@@ -108,6 +108,9 @@
* \returns a matrix where each coefficient (i,j) is equal to \a thenMatrix(i,j)
* if \c *this(i,j), and \a elseMatrix(i,j) otherwise.
*
+ * Example: \include MatrixBase_select.cpp
+ * Output: \verbinclude MatrixBase_select.out
+ *
* \sa class Select
*/
template<typename Derived>