| // This file is part of Eigen, a lightweight C++ template library |
| // for linear algebra. |
| // |
| // Copyright (C) 2017 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_RESHAPED_HELPER_H |
| #define EIGEN_RESHAPED_HELPER_H |
| |
| namespace Eigen { |
| |
| enum AutoSize_t { AutoSize }; |
| const int AutoOrder = 2; |
| |
| namespace internal { |
| |
| template<typename SizeType,typename OtherSize, int TotalSize> |
| struct get_compiletime_reshape_size { |
| enum { value = get_fixed_value<SizeType>::value }; |
| }; |
| |
| template<typename SizeType> |
| Index get_runtime_reshape_size(SizeType size, Index /*other*/, Index /*total*/) { |
| return internal::get_runtime_value(size); |
| } |
| |
| template<typename OtherSize, int TotalSize> |
| struct get_compiletime_reshape_size<AutoSize_t,OtherSize,TotalSize> { |
| enum { |
| other_size = get_fixed_value<OtherSize>::value, |
| value = (TotalSize==Dynamic || other_size==Dynamic) ? Dynamic : TotalSize / other_size }; |
| }; |
| |
| inline Index get_runtime_reshape_size(AutoSize_t /*size*/, Index other, Index total) { |
| return total/other; |
| } |
| |
| template<int Flags, int Order> |
| struct get_compiletime_reshape_order { |
| enum { value = Order == AutoOrder ? Flags & RowMajorBit : Order }; |
| }; |
| |
| } |
| |
| } // end namespace Eigen |
| |
| #endif // EIGEN_RESHAPED_HELPER_H |
