148 lines
6.2 KiB
C++
148 lines
6.2 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) 2015 Gael Guennebaud <gael.guennebaud@inria.fr>
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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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// This unit test cannot be easily written to work with EIGEN_DEFAULT_TO_ROW_MAJOR
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#ifdef EIGEN_DEFAULT_TO_ROW_MAJOR
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#undef EIGEN_DEFAULT_TO_ROW_MAJOR
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#endif
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static long int nb_temporaries;
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inline void on_temporary_creation() {
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// here's a great place to set a breakpoint when debugging failures in this test!
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nb_temporaries++;
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}
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#define EIGEN_SPARSE_CREATE_TEMPORARY_PLUGIN \
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{ on_temporary_creation(); }
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#include "main.h"
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#include <Eigen/SparseCore>
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#define VERIFY_EVALUATION_COUNT(XPR, N) \
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{ \
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nb_temporaries = 0; \
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CALL_SUBTEST(XPR); \
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if (nb_temporaries != N) std::cerr << "nb_temporaries == " << nb_temporaries << "\n"; \
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VERIFY((#XPR) && nb_temporaries == N); \
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}
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template <typename PlainObjectType>
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void check_const_correctness(const PlainObjectType &) {
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// verify that ref-to-const don't have LvalueBit
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typedef std::add_const_t<PlainObjectType> ConstPlainObjectType;
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VERIFY(!(internal::traits<Ref<ConstPlainObjectType> >::Flags & LvalueBit));
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VERIFY(!(internal::traits<Ref<ConstPlainObjectType, Aligned> >::Flags & LvalueBit));
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VERIFY(!(Ref<ConstPlainObjectType>::Flags & LvalueBit));
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VERIFY(!(Ref<ConstPlainObjectType, Aligned>::Flags & LvalueBit));
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}
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template <typename B>
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EIGEN_DONT_INLINE void call_ref_1(Ref<SparseMatrix<float> > a, const B &b) {
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VERIFY_IS_EQUAL(a.toDense(), b.toDense());
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}
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template <typename B>
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EIGEN_DONT_INLINE void call_ref_2(const Ref<const SparseMatrix<float> > &a, const B &b) {
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VERIFY_IS_EQUAL(a.toDense(), b.toDense());
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}
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template <typename B>
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EIGEN_DONT_INLINE void call_ref_3(const Ref<const SparseMatrix<float>, StandardCompressedFormat> &a, const B &b) {
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VERIFY(a.isCompressed());
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VERIFY_IS_EQUAL(a.toDense(), b.toDense());
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}
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template <typename B>
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EIGEN_DONT_INLINE void call_ref_4(Ref<SparseVector<float> > a, const B &b) {
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VERIFY_IS_EQUAL(a.toDense(), b.toDense());
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}
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template <typename B>
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EIGEN_DONT_INLINE void call_ref_5(const Ref<const SparseVector<float> > &a, const B &b) {
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VERIFY_IS_EQUAL(a.toDense(), b.toDense());
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}
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void call_ref() {
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SparseMatrix<float> A = MatrixXf::Random(10, 10).sparseView(0.5, 1);
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SparseMatrix<float, RowMajor> B = MatrixXf::Random(10, 10).sparseView(0.5, 1);
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SparseMatrix<float> C = MatrixXf::Random(10, 10).sparseView(0.5, 1);
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C.reserve(VectorXi::Constant(C.outerSize(), 2));
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const SparseMatrix<float> &Ac(A);
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Block<SparseMatrix<float> > Ab(A, 0, 1, 3, 3);
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const Block<SparseMatrix<float> > Abc(A, 0, 1, 3, 3);
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SparseVector<float> vc = VectorXf::Random(10).sparseView(0.5, 1);
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SparseVector<float, RowMajor> vr = VectorXf::Random(10).sparseView(0.5, 1);
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SparseMatrix<float> AA = A * A;
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VERIFY_EVALUATION_COUNT(call_ref_1(A, A), 0);
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// VERIFY_EVALUATION_COUNT( call_ref_1(Ac, Ac), 0); // does not compile on purpose
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VERIFY_EVALUATION_COUNT(call_ref_2(A, A), 0);
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VERIFY_EVALUATION_COUNT(call_ref_3(A, A), 0);
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VERIFY_EVALUATION_COUNT(call_ref_2(A.transpose(), A.transpose()), 1);
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VERIFY_EVALUATION_COUNT(call_ref_3(A.transpose(), A.transpose()), 1);
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VERIFY_EVALUATION_COUNT(call_ref_2(Ac, Ac), 0);
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VERIFY_EVALUATION_COUNT(call_ref_3(Ac, Ac), 0);
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VERIFY_EVALUATION_COUNT(call_ref_2(A + A, 2 * Ac), 1);
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VERIFY_EVALUATION_COUNT(call_ref_3(A + A, 2 * Ac), 1);
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VERIFY_EVALUATION_COUNT(call_ref_2(B, B), 1);
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VERIFY_EVALUATION_COUNT(call_ref_3(B, B), 1);
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VERIFY_EVALUATION_COUNT(call_ref_2(B.transpose(), B.transpose()), 0);
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VERIFY_EVALUATION_COUNT(call_ref_3(B.transpose(), B.transpose()), 0);
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VERIFY_EVALUATION_COUNT(call_ref_2(A * A, AA), 3);
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VERIFY_EVALUATION_COUNT(call_ref_3(A * A, AA), 3);
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VERIFY(!C.isCompressed());
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VERIFY_EVALUATION_COUNT(call_ref_3(C, C), 1);
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Ref<SparseMatrix<float> > Ar(A);
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VERIFY_IS_APPROX(Ar + Ar, A + A);
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VERIFY_EVALUATION_COUNT(call_ref_1(Ar, A), 0);
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VERIFY_EVALUATION_COUNT(call_ref_2(Ar, A), 0);
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Ref<SparseMatrix<float, RowMajor> > Br(B);
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VERIFY_EVALUATION_COUNT(call_ref_1(Br.transpose(), Br.transpose()), 0);
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VERIFY_EVALUATION_COUNT(call_ref_2(Br, Br), 1);
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VERIFY_EVALUATION_COUNT(call_ref_2(Br.transpose(), Br.transpose()), 0);
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Ref<const SparseMatrix<float> > Arc(A);
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// VERIFY_EVALUATION_COUNT( call_ref_1(Arc, Arc), 0); // does not compile on purpose
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VERIFY_EVALUATION_COUNT(call_ref_2(Arc, Arc), 0);
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VERIFY_EVALUATION_COUNT(call_ref_2(A.middleCols(1, 3), A.middleCols(1, 3)), 0);
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VERIFY_EVALUATION_COUNT(call_ref_2(A.col(2), A.col(2)), 0);
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VERIFY_EVALUATION_COUNT(call_ref_2(vc, vc), 0);
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VERIFY_EVALUATION_COUNT(call_ref_2(vr.transpose(), vr.transpose()), 0);
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VERIFY_EVALUATION_COUNT(call_ref_2(vr, vr.transpose()), 0);
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VERIFY_EVALUATION_COUNT(call_ref_2(A.block(1, 1, 3, 3), A.block(1, 1, 3, 3)),
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1); // should be 0 (allocate starts/nnz only)
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VERIFY_EVALUATION_COUNT(call_ref_4(vc, vc), 0);
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VERIFY_EVALUATION_COUNT(call_ref_4(vr, vr.transpose()), 0);
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VERIFY_EVALUATION_COUNT(call_ref_5(vc, vc), 0);
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VERIFY_EVALUATION_COUNT(call_ref_5(vr, vr.transpose()), 0);
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VERIFY_EVALUATION_COUNT(call_ref_4(A.col(2), A.col(2)), 0);
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VERIFY_EVALUATION_COUNT(call_ref_5(A.col(2), A.col(2)), 0);
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// VERIFY_EVALUATION_COUNT( call_ref_4(A.row(2), A.row(2).transpose()), 1); // does not compile on purpose
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VERIFY_EVALUATION_COUNT(call_ref_5(A.row(2), A.row(2).transpose()), 1);
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}
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EIGEN_DECLARE_TEST(sparse_ref) {
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for (int i = 0; i < g_repeat; i++) {
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CALL_SUBTEST_1(check_const_correctness(SparseMatrix<float>()));
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CALL_SUBTEST_1(check_const_correctness(SparseMatrix<double, RowMajor>()));
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CALL_SUBTEST_2(call_ref());
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CALL_SUBTEST_3(check_const_correctness(SparseVector<float>()));
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CALL_SUBTEST_3(check_const_correctness(SparseVector<double, RowMajor>()));
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}
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}
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