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Diffstat (limited to 'third_party/eigen3/Eigen/src/Core/CommaInitializer.h')
| -rw-r--r-- | third_party/eigen3/Eigen/src/Core/CommaInitializer.h | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/third_party/eigen3/Eigen/src/Core/CommaInitializer.h b/third_party/eigen3/Eigen/src/Core/CommaInitializer.h deleted file mode 100644 index 70cbfeff55..0000000000 --- a/third_party/eigen3/Eigen/src/Core/CommaInitializer.h +++ /dev/null @@ -1,161 +0,0 @@ -// This file is part of Eigen, a lightweight C++ template library -// for linear algebra. -// -// Copyright (C) 2008 Gael Guennebaud <gael.guennebaud@inria.fr> -// Copyright (C) 2006-2008 Benoit Jacob <jacob.benoit.1@gmail.com> -// -// 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_COMMAINITIALIZER_H -#define EIGEN_COMMAINITIALIZER_H - -namespace Eigen { - -/** \class CommaInitializer - * \ingroup Core_Module - * - * \brief Helper class used by the comma initializer operator - * - * This class is internally used to implement the comma initializer feature. It is - * the return type of MatrixBase::operator<<, and most of the time this is the only - * way it is used. - * - * \sa \ref MatrixBaseCommaInitRef "MatrixBase::operator<<", CommaInitializer::finished() - */ -template<typename XprType> -struct CommaInitializer -{ - typedef typename XprType::Scalar Scalar; - typedef typename XprType::Index Index; - - EIGEN_DEVICE_FUNC - inline CommaInitializer(XprType& xpr, const Scalar& s) - : m_xpr(xpr), m_row(0), m_col(1), m_currentBlockRows(1) - { - m_xpr.coeffRef(0,0) = s; - } - - template<typename OtherDerived> - EIGEN_DEVICE_FUNC - inline CommaInitializer(XprType& xpr, const DenseBase<OtherDerived>& other) - : m_xpr(xpr), m_row(0), m_col(other.cols()), m_currentBlockRows(other.rows()) - { - m_xpr.block(0, 0, other.rows(), other.cols()) = other; - } - - /* Copy/Move constructor which transfers ownership. This is crucial in - * absence of return value optimization to avoid assertions during destruction. */ - // FIXME in C++11 mode this could be replaced by a proper RValue constructor - EIGEN_DEVICE_FUNC - inline CommaInitializer(const CommaInitializer& o) - : m_xpr(o.m_xpr), m_row(o.m_row), m_col(o.m_col), m_currentBlockRows(o.m_currentBlockRows) { - // Mark original object as finished. In absence of R-value references we need to const_cast: - const_cast<CommaInitializer&>(o).m_row = m_xpr.rows(); - const_cast<CommaInitializer&>(o).m_col = m_xpr.cols(); - const_cast<CommaInitializer&>(o).m_currentBlockRows = 0; - } - - /* inserts a scalar value in the target matrix */ - EIGEN_DEVICE_FUNC - CommaInitializer& operator,(const Scalar& s) - { - if (m_col==m_xpr.cols()) - { - m_row+=m_currentBlockRows; - m_col = 0; - m_currentBlockRows = 1; - eigen_assert(m_row<m_xpr.rows() - && "Too many rows passed to comma initializer (operator<<)"); - } - eigen_assert(m_col<m_xpr.cols() - && "Too many coefficients passed to comma initializer (operator<<)"); - eigen_assert(m_currentBlockRows==1); - m_xpr.coeffRef(m_row, m_col++) = s; - return *this; - } - - /* inserts a matrix expression in the target matrix */ - template<typename OtherDerived> - EIGEN_DEVICE_FUNC - CommaInitializer& operator,(const DenseBase<OtherDerived>& other) - { - if(other.cols()==0 || other.rows()==0) - return *this; - if (m_col==m_xpr.cols()) - { - m_row+=m_currentBlockRows; - m_col = 0; - m_currentBlockRows = other.rows(); - eigen_assert(m_row+m_currentBlockRows<=m_xpr.rows() - && "Too many rows passed to comma initializer (operator<<)"); - } - eigen_assert(m_col<m_xpr.cols() - && "Too many coefficients passed to comma initializer (operator<<)"); - eigen_assert(m_currentBlockRows==other.rows()); - if (OtherDerived::SizeAtCompileTime != Dynamic) - m_xpr.template block<OtherDerived::RowsAtCompileTime != Dynamic ? OtherDerived::RowsAtCompileTime : 1, - OtherDerived::ColsAtCompileTime != Dynamic ? OtherDerived::ColsAtCompileTime : 1> - (m_row, m_col) = other; - else - m_xpr.block(m_row, m_col, other.rows(), other.cols()) = other; - m_col += other.cols(); - return *this; - } - - EIGEN_DEVICE_FUNC - inline ~CommaInitializer() - { - eigen_assert((m_row+m_currentBlockRows) == m_xpr.rows() - && m_col == m_xpr.cols() - && "Too few coefficients passed to comma initializer (operator<<)"); - } - - /** \returns the built matrix once all its coefficients have been set. - * Calling finished is 100% optional. Its purpose is to write expressions - * like this: - * \code - * quaternion.fromRotationMatrix((Matrix3f() << axis0, axis1, axis2).finished()); - * \endcode - */ - EIGEN_DEVICE_FUNC - inline XprType& finished() { return m_xpr; } - - XprType& m_xpr; // target expression - Index m_row; // current row id - Index m_col; // current col id - Index m_currentBlockRows; // current block height -}; - -/** \anchor MatrixBaseCommaInitRef - * Convenient operator to set the coefficients of a matrix. - * - * The coefficients must be provided in a row major order and exactly match - * the size of the matrix. Otherwise an assertion is raised. - * - * Example: \include MatrixBase_set.cpp - * Output: \verbinclude MatrixBase_set.out - * - * \note According the c++ standard, the argument expressions of this comma initializer are evaluated in arbitrary order. - * - * \sa CommaInitializer::finished(), class CommaInitializer - */ -template<typename Derived> -inline CommaInitializer<Derived> DenseBase<Derived>::operator<< (const Scalar& s) -{ - return CommaInitializer<Derived>(*static_cast<Derived*>(this), s); -} - -/** \sa operator<<(const Scalar&) */ -template<typename Derived> -template<typename OtherDerived> -inline CommaInitializer<Derived> -DenseBase<Derived>::operator<<(const DenseBase<OtherDerived>& other) -{ - return CommaInitializer<Derived>(*static_cast<Derived *>(this), other); -} - -} // end namespace Eigen - -#endif // EIGEN_COMMAINITIALIZER_H |