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Diffstat (limited to 'third_party/eigen3/Eigen/src/Core/Select.h')
| -rw-r--r-- | third_party/eigen3/Eigen/src/Core/Select.h | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/third_party/eigen3/Eigen/src/Core/Select.h b/third_party/eigen3/Eigen/src/Core/Select.h deleted file mode 100644 index 87993bbb55..0000000000 --- a/third_party/eigen3/Eigen/src/Core/Select.h +++ /dev/null @@ -1,162 +0,0 @@ -// This file is part of Eigen, a lightweight C++ template library -// for linear algebra. -// -// Copyright (C) 2008-2010 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_SELECT_H -#define EIGEN_SELECT_H - -namespace Eigen { - -/** \class Select - * \ingroup Core_Module - * - * \brief Expression of a coefficient wise version of the C++ ternary operator ?: - * - * \param ConditionMatrixType the type of the \em condition expression which must be a boolean matrix - * \param ThenMatrixType the type of the \em then expression - * \param ElseMatrixType the type of the \em else expression - * - * This class represents an expression of a coefficient wise version of the C++ ternary operator ?:. - * It is the return type of DenseBase::select() and most of the time this is the only way it is used. - * - * \sa DenseBase::select(const DenseBase<ThenDerived>&, const DenseBase<ElseDerived>&) const - */ - -namespace internal { -template<typename ConditionMatrixType, typename ThenMatrixType, typename ElseMatrixType> -struct traits<Select<ConditionMatrixType, ThenMatrixType, ElseMatrixType> > - : traits<ThenMatrixType> -{ - typedef typename traits<ThenMatrixType>::Scalar Scalar; - typedef Dense StorageKind; - typedef typename traits<ThenMatrixType>::XprKind XprKind; - typedef typename ConditionMatrixType::Nested ConditionMatrixNested; - typedef typename ThenMatrixType::Nested ThenMatrixNested; - typedef typename ElseMatrixType::Nested ElseMatrixNested; - enum { - RowsAtCompileTime = ConditionMatrixType::RowsAtCompileTime, - ColsAtCompileTime = ConditionMatrixType::ColsAtCompileTime, - MaxRowsAtCompileTime = ConditionMatrixType::MaxRowsAtCompileTime, - MaxColsAtCompileTime = ConditionMatrixType::MaxColsAtCompileTime, - Flags = (unsigned int)ThenMatrixType::Flags & ElseMatrixType::Flags & HereditaryBits, - CoeffReadCost = traits<typename remove_all<ConditionMatrixNested>::type>::CoeffReadCost - + EIGEN_SIZE_MAX(traits<typename remove_all<ThenMatrixNested>::type>::CoeffReadCost, - traits<typename remove_all<ElseMatrixNested>::type>::CoeffReadCost) - }; -}; -} - -template<typename ConditionMatrixType, typename ThenMatrixType, typename ElseMatrixType> -class Select : internal::no_assignment_operator, - public internal::dense_xpr_base< Select<ConditionMatrixType, ThenMatrixType, ElseMatrixType> >::type -{ - public: - - typedef typename internal::dense_xpr_base<Select>::type Base; - EIGEN_DENSE_PUBLIC_INTERFACE(Select) - - Select(const ConditionMatrixType& a_conditionMatrix, - const ThenMatrixType& a_thenMatrix, - const ElseMatrixType& a_elseMatrix) - : m_condition(a_conditionMatrix), m_then(a_thenMatrix), m_else(a_elseMatrix) - { - eigen_assert(m_condition.rows() == m_then.rows() && m_condition.rows() == m_else.rows()); - eigen_assert(m_condition.cols() == m_then.cols() && m_condition.cols() == m_else.cols()); - } - - Index rows() const { return m_condition.rows(); } - Index cols() const { return m_condition.cols(); } - - const Scalar coeff(Index i, Index j) const - { - if (m_condition.coeff(i,j)) - return m_then.coeff(i,j); - else - return m_else.coeff(i,j); - } - - const Scalar coeff(Index i) const - { - if (m_condition.coeff(i)) - return m_then.coeff(i); - else - return m_else.coeff(i); - } - - const ConditionMatrixType& conditionMatrix() const - { - return m_condition; - } - - const ThenMatrixType& thenMatrix() const - { - return m_then; - } - - const ElseMatrixType& elseMatrix() const - { - return m_else; - } - - protected: - typename ConditionMatrixType::Nested m_condition; - typename ThenMatrixType::Nested m_then; - typename ElseMatrixType::Nested m_else; -}; - - -/** \returns a matrix where each coefficient (i,j) is equal to \a thenMatrix(i,j) - * if \c *this(i,j), and \a elseMatrix(i,j) otherwise. - * - * Example: \include MatrixBase_select.cpp - * Output: \verbinclude MatrixBase_select.out - * - * \sa class Select - */ -template<typename Derived> -template<typename ThenDerived,typename ElseDerived> -inline const Select<Derived,ThenDerived,ElseDerived> -DenseBase<Derived>::select(const DenseBase<ThenDerived>& thenMatrix, - const DenseBase<ElseDerived>& elseMatrix) const -{ - return Select<Derived,ThenDerived,ElseDerived>(derived(), thenMatrix.derived(), elseMatrix.derived()); -} - -/** Version of DenseBase::select(const DenseBase&, const DenseBase&) with - * the \em else expression being a scalar value. - * - * \sa DenseBase::select(const DenseBase<ThenDerived>&, const DenseBase<ElseDerived>&) const, class Select - */ -template<typename Derived> -template<typename ThenDerived> -inline const Select<Derived,ThenDerived, typename ThenDerived::ConstantReturnType> -DenseBase<Derived>::select(const DenseBase<ThenDerived>& thenMatrix, - const typename ThenDerived::Scalar& elseScalar) const -{ - return Select<Derived,ThenDerived,typename ThenDerived::ConstantReturnType>( - derived(), thenMatrix.derived(), ThenDerived::Constant(rows(),cols(),elseScalar)); -} - -/** Version of DenseBase::select(const DenseBase&, const DenseBase&) with - * the \em then expression being a scalar value. - * - * \sa DenseBase::select(const DenseBase<ThenDerived>&, const DenseBase<ElseDerived>&) const, class Select - */ -template<typename Derived> -template<typename ElseDerived> -inline const Select<Derived, typename ElseDerived::ConstantReturnType, ElseDerived > -DenseBase<Derived>::select(const typename ElseDerived::Scalar& thenScalar, - const DenseBase<ElseDerived>& elseMatrix) const -{ - return Select<Derived,typename ElseDerived::ConstantReturnType,ElseDerived>( - derived(), ElseDerived::Constant(rows(),cols(),thenScalar), elseMatrix.derived()); -} - -} // end namespace Eigen - -#endif // EIGEN_SELECT_H |