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_CwiseBinaryOp.cpp | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 eigen/doc/examples/class_CwiseBinaryOp.cpp

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

diff --git a/eigen/doc/examples/class_CwiseBinaryOp.cpp b/eigen/doc/examples/class_CwiseBinaryOp.cpp
new file mode 100644
index 0000000..682af46
--- /dev/null
+++ b/eigen/doc/examples/class_CwiseBinaryOp.cpp
@@ -0,0 +1,18 @@
+#include <Eigen/Core>
+#include <iostream>
+using namespace Eigen;
+using namespace std;
+
+// define a custom template binary functor
+template<typename Scalar> struct MakeComplexOp {
+  EIGEN_EMPTY_STRUCT_CTOR(MakeComplexOp)
+  typedef complex<Scalar> result_type;
+  complex<Scalar> operator()(const Scalar& a, const Scalar& b) const { return complex<Scalar>(a,b); }
+};
+
+int main(int, char**)
+{
+  Matrix4d m1 = Matrix4d::Random(), m2 = Matrix4d::Random();
+  cout << m1.binaryExpr(m2, MakeComplexOp<double>()) << endl;
+  return 0;
+}
-- 
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