chromium/third_party/eigen3/src/Eigen/src/Core/StlIterators.h

// This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Copyright (C) 2018 Gael Guennebaud <[email protected]>
//
// 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_STLITERATORS_H
#define EIGEN_STLITERATORS_H

// IWYU pragma: private
#include "./InternalHeaderCheck.h"

namespace Eigen {

namespace internal {

template <typename IteratorType>
struct indexed_based_stl_iterator_traits;

template <typename Derived>
class indexed_based_stl_iterator_base { … };

template <typename Derived>
class indexed_based_stl_reverse_iterator_base { … };

template <typename XprType>
class pointer_based_stl_iterator { … };

indexed_based_stl_iterator_traits<generic_randaccess_stl_iterator<XprType_>>;

template <typename XprType>
class generic_randaccess_stl_iterator
    : public indexed_based_stl_iterator_base<generic_randaccess_stl_iterator<XprType>> { … };

indexed_based_stl_iterator_traits<subvector_stl_iterator<XprType_, Direction>>;

template <typename XprType, DirectionType Direction>
class subvector_stl_iterator : public indexed_based_stl_iterator_base<subvector_stl_iterator<XprType, Direction>> { … };

indexed_based_stl_iterator_traits<subvector_stl_reverse_iterator<XprType_, Direction>>;

template <typename XprType, DirectionType Direction>
class subvector_stl_reverse_iterator
    : public indexed_based_stl_reverse_iterator_base<subvector_stl_reverse_iterator<XprType, Direction>> { … };

}  // namespace internal

/** returns an iterator to the first element of the 1D vector or array
 * \only_for_vectors
 * \sa end(), cbegin()
 */
template <typename Derived>
inline typename DenseBase<Derived>::iterator DenseBase<Derived>::begin() { … }

/** const version of begin() */
template <typename Derived>
inline typename DenseBase<Derived>::const_iterator DenseBase<Derived>::begin() const { … }

/** returns a read-only const_iterator to the first element of the 1D vector or array
 * \only_for_vectors
 * \sa cend(), begin()
 */
template <typename Derived>
inline typename DenseBase<Derived>::const_iterator DenseBase<Derived>::cbegin() const { … }

/** returns an iterator to the element following the last element of the 1D vector or array
 * \only_for_vectors
 * \sa begin(), cend()
 */
template <typename Derived>
inline typename DenseBase<Derived>::iterator DenseBase<Derived>::end() { … }

/** const version of end() */
template <typename Derived>
inline typename DenseBase<Derived>::const_iterator DenseBase<Derived>::end() const { … }

/** returns a read-only const_iterator to the element following the last element of the 1D vector or array
 * \only_for_vectors
 * \sa begin(), cend()
 */
template <typename Derived>
inline typename DenseBase<Derived>::const_iterator DenseBase<Derived>::cend() const { … }

}  // namespace Eigen

#endif  // EIGEN_STLITERATORS_H