| // This file is part of Eigen, a lightweight C++ template library | |
| // for linear algebra. | |
| // | |
| // Copyright (C) 2008-2014 Gael Guennebaud <gael.guennebaud@inria.fr> | |
| // | |
| // 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/. | |
| #ifndef EIGEN_SPARSEREDUX_H | |
| #define EIGEN_SPARSEREDUX_H | |
| // IWYU pragma: private | |
| #include "./InternalHeaderCheck.h" | |
| namespace Eigen { | |
| template <typename Derived> | |
| typename internal::traits<Derived>::Scalar SparseMatrixBase<Derived>::sum() const { | |
| eigen_assert(rows() > 0 && cols() > 0 && "you are using a non initialized matrix"); | |
| Scalar res(0); | |
| internal::evaluator<Derived> thisEval(derived()); | |
| for (Index j = 0; j < outerSize(); ++j) | |
| for (typename internal::evaluator<Derived>::InnerIterator iter(thisEval, j); iter; ++iter) res += iter.value(); | |
| return res; | |
| } | |
| template <typename Scalar_, int Options_, typename Index_> | |
| typename internal::traits<SparseMatrix<Scalar_, Options_, Index_> >::Scalar | |
| SparseMatrix<Scalar_, Options_, Index_>::sum() const { | |
| eigen_assert(rows() > 0 && cols() > 0 && "you are using a non initialized matrix"); | |
| if (this->isCompressed()) | |
| return Matrix<Scalar, 1, Dynamic>::Map(m_data.valuePtr(), m_data.size()).sum(); | |
| else | |
| return Base::sum(); | |
| } | |
| template <typename Scalar_, int Options_, typename Index_> | |
| typename internal::traits<SparseVector<Scalar_, Options_, Index_> >::Scalar | |
| SparseVector<Scalar_, Options_, Index_>::sum() const { | |
| eigen_assert(rows() > 0 && cols() > 0 && "you are using a non initialized matrix"); | |
| return Matrix<Scalar, 1, Dynamic>::Map(m_data.valuePtr(), m_data.size()).sum(); | |
| } | |
| } // end namespace Eigen | |
| #endif // EIGEN_SPARSEREDUX_H |