From 44861dcbfeee041223c4aac1ee075e92fa4daa01 Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Sun, 18 Sep 2016 12:42:15 +0200
Subject: update

---
 eigen/doc/examples/class_CwiseUnaryOp.cpp | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 eigen/doc/examples/class_CwiseUnaryOp.cpp

(limited to 'eigen/doc/examples/class_CwiseUnaryOp.cpp')

diff --git a/eigen/doc/examples/class_CwiseUnaryOp.cpp b/eigen/doc/examples/class_CwiseUnaryOp.cpp
new file mode 100644
index 0000000..a5fcc15
--- /dev/null
+++ b/eigen/doc/examples/class_CwiseUnaryOp.cpp
@@ -0,0 +1,19 @@
+#include <Eigen/Core>
+#include <iostream>
+using namespace Eigen;
+using namespace std;
+
+// define a custom template unary functor
+template<typename Scalar>
+struct CwiseClampOp {
+  CwiseClampOp(const Scalar& inf, const Scalar& sup) : m_inf(inf), m_sup(sup) {}
+  const Scalar operator()(const Scalar& x) const { return x<m_inf ? m_inf : (x>m_sup ? m_sup : x); }
+  Scalar m_inf, m_sup;
+};
+
+int main(int, char**)
+{
+  Matrix4d m1 = Matrix4d::Random();
+  cout << m1 << endl << "becomes: " << endl << m1.unaryExpr(CwiseClampOp<double>(-0.5,0.5)) << endl;
+  return 0;
+}
-- 
cgit v1.2.3