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111 lines
4.2 KiB
C++
111 lines
4.2 KiB
C++
// This file is part of Eigen, a lightweight C++ template library
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// for linear algebra.
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//
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// Copyright (C) 2013 Hauke Heibel <hauke.heibel@gmail.com>
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//
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// This Source Code Form is subject to the terms of the Mozilla
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// Public License v. 2.0. If a copy of the MPL was not distributed
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// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
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#define EIGEN_RUNTIME_NO_MALLOC
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#include "main.h"
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#include <Eigen/Core>
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using internal::UIntPtr;
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#if EIGEN_HAS_RVALUE_REFERENCES
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template <typename MatrixType>
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void rvalue_copyassign(const MatrixType& m)
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{
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typedef typename internal::traits<MatrixType>::Scalar Scalar;
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// create a temporary which we are about to destroy by moving
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MatrixType tmp = m;
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UIntPtr src_address = reinterpret_cast<UIntPtr>(tmp.data());
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Eigen::internal::set_is_malloc_allowed(false); // moving from an rvalue reference shall never allocate
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// move the temporary to n
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MatrixType n = std::move(tmp);
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UIntPtr dst_address = reinterpret_cast<UIntPtr>(n.data());
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if (MatrixType::RowsAtCompileTime==Dynamic|| MatrixType::ColsAtCompileTime==Dynamic)
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{
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// verify that we actually moved the guts
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VERIFY_IS_EQUAL(src_address, dst_address);
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VERIFY_IS_EQUAL(tmp.size(), 0);
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VERIFY_IS_EQUAL(reinterpret_cast<UIntPtr>(tmp.data()), UIntPtr(0));
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}
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// verify that the content did not change
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Scalar abs_diff = (m-n).array().abs().sum();
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VERIFY_IS_EQUAL(abs_diff, Scalar(0));
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Eigen::internal::set_is_malloc_allowed(true);
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}
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template<typename TranspositionsType>
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void rvalue_transpositions(Index rows)
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{
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typedef typename TranspositionsType::IndicesType PermutationVectorType;
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PermutationVectorType vec;
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randomPermutationVector(vec, rows);
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TranspositionsType t0(vec);
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Eigen::internal::set_is_malloc_allowed(false); // moving from an rvalue reference shall never allocate
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UIntPtr t0_address = reinterpret_cast<UIntPtr>(t0.indices().data());
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// Move constructors:
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TranspositionsType t1 = std::move(t0);
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UIntPtr t1_address = reinterpret_cast<UIntPtr>(t1.indices().data());
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VERIFY_IS_EQUAL(t0_address, t1_address);
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// t0 must be de-allocated:
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VERIFY_IS_EQUAL(t0.size(), 0);
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VERIFY_IS_EQUAL(reinterpret_cast<UIntPtr>(t0.indices().data()), UIntPtr(0));
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// Move assignment:
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t0 = std::move(t1);
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t0_address = reinterpret_cast<UIntPtr>(t0.indices().data());
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VERIFY_IS_EQUAL(t0_address, t1_address);
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// t1 must be de-allocated:
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VERIFY_IS_EQUAL(t1.size(), 0);
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VERIFY_IS_EQUAL(reinterpret_cast<UIntPtr>(t1.indices().data()), UIntPtr(0));
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Eigen::internal::set_is_malloc_allowed(true);
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}
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#else
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template <typename MatrixType>
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void rvalue_copyassign(const MatrixType&) {}
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template<typename TranspositionsType>
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void rvalue_transpositions(Index) {}
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#endif
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EIGEN_DECLARE_TEST(rvalue_types)
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{
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for(int i = 0; i < g_repeat; i++) {
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CALL_SUBTEST_1(rvalue_copyassign( MatrixXf::Random(50,50).eval() ));
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CALL_SUBTEST_1(rvalue_copyassign( ArrayXXf::Random(50,50).eval() ));
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CALL_SUBTEST_1(rvalue_copyassign( Matrix<float,1,Dynamic>::Random(50).eval() ));
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CALL_SUBTEST_1(rvalue_copyassign( Array<float,1,Dynamic>::Random(50).eval() ));
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CALL_SUBTEST_1(rvalue_copyassign( Matrix<float,Dynamic,1>::Random(50).eval() ));
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CALL_SUBTEST_1(rvalue_copyassign( Array<float,Dynamic,1>::Random(50).eval() ));
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CALL_SUBTEST_2(rvalue_copyassign( Array<float,2,1>::Random().eval() ));
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CALL_SUBTEST_2(rvalue_copyassign( Array<float,3,1>::Random().eval() ));
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CALL_SUBTEST_2(rvalue_copyassign( Array<float,4,1>::Random().eval() ));
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CALL_SUBTEST_2(rvalue_copyassign( Array<float,2,2>::Random().eval() ));
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CALL_SUBTEST_2(rvalue_copyassign( Array<float,3,3>::Random().eval() ));
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CALL_SUBTEST_2(rvalue_copyassign( Array<float,4,4>::Random().eval() ));
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CALL_SUBTEST_3((rvalue_transpositions<PermutationMatrix<Dynamic, Dynamic, int> >(internal::random<int>(1,EIGEN_TEST_MAX_SIZE))));
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CALL_SUBTEST_3((rvalue_transpositions<PermutationMatrix<Dynamic, Dynamic, Index> >(internal::random<int>(1,EIGEN_TEST_MAX_SIZE))));
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CALL_SUBTEST_4((rvalue_transpositions<Transpositions<Dynamic, Dynamic, int> >(internal::random<int>(1,EIGEN_TEST_MAX_SIZE))));
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CALL_SUBTEST_4((rvalue_transpositions<Transpositions<Dynamic, Dynamic, Index> >(internal::random<int>(1,EIGEN_TEST_MAX_SIZE))));
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}
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}
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