1// This file is part of Eigen, a lightweight C++ template library 2// for linear algebra. 3// 4// Copyright (C) 2010 Hauke Heibel <hauke.heibel@gmail.com> 5// 6// This Source Code Form is subject to the terms of the Mozilla 7// Public License v. 2.0. If a copy of the MPL was not distributed 8// with this file, You can obtain one at http://mozilla.org/MPL/2.0/. 9 10#include "main.h" 11 12template <typename MatrixType> void run_nesting_ops(const MatrixType& _m) 13{ 14 typename MatrixType::Nested m(_m); 15 16 // Make really sure that we are in debug mode! 17 VERIFY_RAISES_ASSERT(eigen_assert(false)); 18 19 // The only intention of these tests is to ensure that this code does 20 // not trigger any asserts or segmentation faults... more to come. 21 VERIFY_IS_APPROX( (m.transpose() * m).diagonal().sum(), (m.transpose() * m).diagonal().sum() ); 22 VERIFY_IS_APPROX( (m.transpose() * m).diagonal().array().abs().sum(), (m.transpose() * m).diagonal().array().abs().sum() ); 23 24 VERIFY_IS_APPROX( (m.transpose() * m).array().abs().sum(), (m.transpose() * m).array().abs().sum() ); 25} 26 27void test_nesting_ops() 28{ 29 CALL_SUBTEST_1(run_nesting_ops(MatrixXf::Random(25,25))); 30 CALL_SUBTEST_2(run_nesting_ops(MatrixXd::Random(25,25))); 31 CALL_SUBTEST_3(run_nesting_ops(Matrix4f::Random())); 32 CALL_SUBTEST_4(run_nesting_ops(Matrix4d::Random())); 33} 34