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// This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Copyright (C) 2013 Hauke Heibel <hauke.heibel@gmail.com>
//
// This Source Code Form is subject to the terms of the Mozilla
// Public License v. 2.0. If a copy of the MPL was not distributed
// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
#include "main.h"
#include <Eigen/Core>
using internal::UIntPtr;
#if EIGEN_HAS_RVALUE_REFERENCES
template <typename MatrixType>
void rvalue_copyassign(const MatrixType& m)
{
typedef typename internal::traits<MatrixType>::Scalar Scalar;
// create a temporary which we are about to destroy by moving
MatrixType tmp = m;
UIntPtr src_address = reinterpret_cast<UIntPtr>(tmp.data());
// move the temporary to n
MatrixType n = std::move(tmp);
UIntPtr dst_address = reinterpret_cast<UIntPtr>(n.data());
if (MatrixType::RowsAtCompileTime==Dynamic|| MatrixType::ColsAtCompileTime==Dynamic)
{
// verify that we actually moved the guts
VERIFY_IS_EQUAL(src_address, dst_address);
}
// verify that the content did not change
Scalar abs_diff = (m-n).array().abs().sum();
VERIFY_IS_EQUAL(abs_diff, Scalar(0));
}
#else
template <typename MatrixType>
void rvalue_copyassign(const MatrixType&) {}
#endif
void test_rvalue_types()
{
CALL_SUBTEST_1(rvalue_copyassign( MatrixXf::Random(50,50).eval() ));
CALL_SUBTEST_1(rvalue_copyassign( ArrayXXf::Random(50,50).eval() ));
CALL_SUBTEST_1(rvalue_copyassign( Matrix<float,1,Dynamic>::Random(50).eval() ));
CALL_SUBTEST_1(rvalue_copyassign( Array<float,1,Dynamic>::Random(50).eval() ));
CALL_SUBTEST_1(rvalue_copyassign( Matrix<float,Dynamic,1>::Random(50).eval() ));
CALL_SUBTEST_1(rvalue_copyassign( Array<float,Dynamic,1>::Random(50).eval() ));
CALL_SUBTEST_2(rvalue_copyassign( Array<float,2,1>::Random().eval() ));
CALL_SUBTEST_2(rvalue_copyassign( Array<float,3,1>::Random().eval() ));
CALL_SUBTEST_2(rvalue_copyassign( Array<float,4,1>::Random().eval() ));
CALL_SUBTEST_2(rvalue_copyassign( Array<float,2,2>::Random().eval() ));
CALL_SUBTEST_2(rvalue_copyassign( Array<float,3,3>::Random().eval() ));
CALL_SUBTEST_2(rvalue_copyassign( Array<float,4,4>::Random().eval() ));
}
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