// 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> #ifdef EIGEN_HAVE_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; long src_address = reinterpret_cast<long>(tmp.data()); // move the temporary to n MatrixType n = std::move(tmp); long dst_address = reinterpret_cast<long>(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() )); }