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Diffstat (limited to 'test/rvalue_types.cpp')
-rw-r--r-- | test/rvalue_types.cpp | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/test/rvalue_types.cpp b/test/rvalue_types.cpp new file mode 100644 index 000000000..5a581d0df --- /dev/null +++ b/test/rvalue_types.cpp @@ -0,0 +1,73 @@ +// This file is part of Eigen, a lightweight C++ template library +// for linear algebra. +// +// Copyright (C) 2010 Hauke Heibel <hauke.heibel@gmail.com> +// +// Eigen is free software; you can redistribute it and/or +// modify it under the terms of the GNU Lesser General Public +// License as published by the Free Software Foundation; either +// version 3 of the License, or (at your option) any later version. +// +// Alternatively, you can redistribute it and/or +// modify it under the terms of the GNU General Public License as +// published by the Free Software Foundation; either version 2 of +// the License, or (at your option) any later version. +// +// Eigen is distributed in the hope that it will be useful, but WITHOUT ANY +// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +// FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License or the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public +// License and a copy of the GNU General Public License along with +// Eigen. If not, see <http://www.gnu.org/licenses/>. + +#include "main.h" + +#include <Eigen/Core> + +template <typename MatrixType> +void rvalue_copyassign(const MatrixType& m) +{ +#ifdef EIGEN_HAVE_RVALUE_REFERENCES + 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)); +#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() )); +} |