From b0082164d1918ced6dea6689c627037b13ebcd58 Mon Sep 17 00:00:00 2001
From: Justin Carpentier <justin.carpentier@inria.fr>
Date: Fri, 21 Feb 2020 09:27:56 +0100
Subject: [PATCH] test: start implementing test for return by reference context
---
unittest/CMakeLists.txt | 1 +
unittest/return_by_ref.cpp | 44 ++++++++++++++++++++++++++++++++++++++
2 files changed, 45 insertions(+)
create mode 100644 unittest/return_by_ref.cpp
diff --git a/unittest/CMakeLists.txt b/unittest/CMakeLists.txt
index 03d0997..747401e 100644
--- a/unittest/CMakeLists.txt
+++ b/unittest/CMakeLists.txt
@@ -32,6 +32,7 @@ ENDMACRO(ADD_LIB_UNIT_TEST)
ADD_LIB_UNIT_TEST(matrix "eigen3")
ADD_LIB_UNIT_TEST(geometry "eigen3")
ADD_LIB_UNIT_TEST(complex "eigen3")
+ADD_LIB_UNIT_TEST(return_by_ref "eigen3")
IF(NOT ${EIGEN3_VERSION} VERSION_LESS "3.2.0")
ADD_LIB_UNIT_TEST(ref "eigen3")
ENDIF()
diff --git a/unittest/return_by_ref.cpp b/unittest/return_by_ref.cpp
new file mode 100644
index 0000000..ae88b32
--- /dev/null
+++ b/unittest/return_by_ref.cpp
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2014-2019, CNRS
+ * Copyright 2018-2020, INRIA
+ */
+
+#include "eigenpy/eigenpy.hpp"
+#include <iostream>
+
+template<typename Matrix>
+struct Base
+{
+ Base(const Eigen::DenseIndex rows,
+ const Eigen::DenseIndex cols)
+ : mat(rows,cols)
+ {}
+
+ void show()
+ {
+ std::cout << mat << std::endl;
+ }
+
+ Matrix & ref() { return mat; }
+ Matrix copy() { return mat; }
+
+protected:
+
+ Matrix mat;
+};
+
+
+BOOST_PYTHON_MODULE(return_by_ref)
+{
+ using namespace Eigen;
+ namespace bp = boost::python;
+ eigenpy::enableEigenPy();
+
+
+ typedef Eigen::Matrix<double,Eigen::Dynamic,Eigen::Dynamic,Eigen::RowMajor> RowMatrixType;
+ bp::class_<Base<RowMatrixType> >("Matrix",bp::init<DenseIndex,DenseIndex>())
+ .def("show",&Base<RowMatrixType>::show)
+ .def("ref",&Base<RowMatrixType>::ref, bp::return_internal_reference<>())
+ .def("copy",&Base<RowMatrixType>::copy);
+}
+
--
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