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Diffstat (limited to 'runtimes/nn/depend/external/eigen/Eigen/src/SparseCore/SparseBlock.h')
-rw-r--r-- | runtimes/nn/depend/external/eigen/Eigen/src/SparseCore/SparseBlock.h | 603 |
1 files changed, 0 insertions, 603 deletions
diff --git a/runtimes/nn/depend/external/eigen/Eigen/src/SparseCore/SparseBlock.h b/runtimes/nn/depend/external/eigen/Eigen/src/SparseCore/SparseBlock.h deleted file mode 100644 index 511e92b2f..000000000 --- a/runtimes/nn/depend/external/eigen/Eigen/src/SparseCore/SparseBlock.h +++ /dev/null @@ -1,603 +0,0 @@ -// 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_SPARSE_BLOCK_H -#define EIGEN_SPARSE_BLOCK_H - -namespace Eigen { - -// Subset of columns or rows -template<typename XprType, int BlockRows, int BlockCols> -class BlockImpl<XprType,BlockRows,BlockCols,true,Sparse> - : public SparseMatrixBase<Block<XprType,BlockRows,BlockCols,true> > -{ - typedef typename internal::remove_all<typename XprType::Nested>::type _MatrixTypeNested; - typedef Block<XprType, BlockRows, BlockCols, true> BlockType; -public: - enum { IsRowMajor = internal::traits<BlockType>::IsRowMajor }; -protected: - enum { OuterSize = IsRowMajor ? BlockRows : BlockCols }; - typedef SparseMatrixBase<BlockType> Base; - using Base::convert_index; -public: - EIGEN_SPARSE_PUBLIC_INTERFACE(BlockType) - - inline BlockImpl(XprType& xpr, Index i) - : m_matrix(xpr), m_outerStart(convert_index(i)), m_outerSize(OuterSize) - {} - - inline BlockImpl(XprType& xpr, Index startRow, Index startCol, Index blockRows, Index blockCols) - : m_matrix(xpr), m_outerStart(convert_index(IsRowMajor ? startRow : startCol)), m_outerSize(convert_index(IsRowMajor ? blockRows : blockCols)) - {} - - EIGEN_STRONG_INLINE Index rows() const { return IsRowMajor ? m_outerSize.value() : m_matrix.rows(); } - EIGEN_STRONG_INLINE Index cols() const { return IsRowMajor ? m_matrix.cols() : m_outerSize.value(); } - - Index nonZeros() const - { - typedef internal::evaluator<XprType> EvaluatorType; - EvaluatorType matEval(m_matrix); - Index nnz = 0; - Index end = m_outerStart + m_outerSize.value(); - for(Index j=m_outerStart; j<end; ++j) - for(typename EvaluatorType::InnerIterator it(matEval, j); it; ++it) - ++nnz; - return nnz; - } - - inline const Scalar coeff(Index row, Index col) const - { - return m_matrix.coeff(row + (IsRowMajor ? m_outerStart : 0), col + (IsRowMajor ? 0 : m_outerStart)); - } - - inline const Scalar coeff(Index index) const - { - return m_matrix.coeff(IsRowMajor ? m_outerStart : index, IsRowMajor ? index : m_outerStart); - } - - inline const XprType& nestedExpression() const { return m_matrix; } - inline XprType& nestedExpression() { return m_matrix; } - Index startRow() const { return IsRowMajor ? m_outerStart : 0; } - Index startCol() const { return IsRowMajor ? 0 : m_outerStart; } - Index blockRows() const { return IsRowMajor ? m_outerSize.value() : m_matrix.rows(); } - Index blockCols() const { return IsRowMajor ? m_matrix.cols() : m_outerSize.value(); } - - protected: - - typename internal::ref_selector<XprType>::non_const_type m_matrix; - Index m_outerStart; - const internal::variable_if_dynamic<Index, OuterSize> m_outerSize; - - protected: - // Disable assignment with clear error message. - // Note that simply removing operator= yields compilation errors with ICC+MSVC - template<typename T> - BlockImpl& operator=(const T&) - { - EIGEN_STATIC_ASSERT(sizeof(T)==0, THIS_SPARSE_BLOCK_SUBEXPRESSION_IS_READ_ONLY); - return *this; - } -}; - - -/*************************************************************************** -* specialization for SparseMatrix -***************************************************************************/ - -namespace internal { - -template<typename SparseMatrixType, int BlockRows, int BlockCols> -class sparse_matrix_block_impl - : public SparseCompressedBase<Block<SparseMatrixType,BlockRows,BlockCols,true> > -{ - typedef typename internal::remove_all<typename SparseMatrixType::Nested>::type _MatrixTypeNested; - typedef Block<SparseMatrixType, BlockRows, BlockCols, true> BlockType; - typedef SparseCompressedBase<Block<SparseMatrixType,BlockRows,BlockCols,true> > Base; - using Base::convert_index; -public: - enum { IsRowMajor = internal::traits<BlockType>::IsRowMajor }; - EIGEN_SPARSE_PUBLIC_INTERFACE(BlockType) -protected: - typedef typename Base::IndexVector IndexVector; - enum { OuterSize = IsRowMajor ? BlockRows : BlockCols }; -public: - - inline sparse_matrix_block_impl(SparseMatrixType& xpr, Index i) - : m_matrix(xpr), m_outerStart(convert_index(i)), m_outerSize(OuterSize) - {} - - inline sparse_matrix_block_impl(SparseMatrixType& xpr, Index startRow, Index startCol, Index blockRows, Index blockCols) - : m_matrix(xpr), m_outerStart(convert_index(IsRowMajor ? startRow : startCol)), m_outerSize(convert_index(IsRowMajor ? blockRows : blockCols)) - {} - - template<typename OtherDerived> - inline BlockType& operator=(const SparseMatrixBase<OtherDerived>& other) - { - typedef typename internal::remove_all<typename SparseMatrixType::Nested>::type _NestedMatrixType; - _NestedMatrixType& matrix = m_matrix; - // This assignment is slow if this vector set is not empty - // and/or it is not at the end of the nonzeros of the underlying matrix. - - // 1 - eval to a temporary to avoid transposition and/or aliasing issues - Ref<const SparseMatrix<Scalar, IsRowMajor ? RowMajor : ColMajor, StorageIndex> > tmp(other.derived()); - eigen_internal_assert(tmp.outerSize()==m_outerSize.value()); - - // 2 - let's check whether there is enough allocated memory - Index nnz = tmp.nonZeros(); - Index start = m_outerStart==0 ? 0 : m_matrix.outerIndexPtr()[m_outerStart]; // starting position of the current block - Index end = m_matrix.outerIndexPtr()[m_outerStart+m_outerSize.value()]; // ending position of the current block - Index block_size = end - start; // available room in the current block - Index tail_size = m_matrix.outerIndexPtr()[m_matrix.outerSize()] - end; - - Index free_size = m_matrix.isCompressed() - ? Index(matrix.data().allocatedSize()) + block_size - : block_size; - - Index tmp_start = tmp.outerIndexPtr()[0]; - - bool update_trailing_pointers = false; - if(nnz>free_size) - { - // realloc manually to reduce copies - typename SparseMatrixType::Storage newdata(m_matrix.data().allocatedSize() - block_size + nnz); - - internal::smart_copy(m_matrix.valuePtr(), m_matrix.valuePtr() + start, newdata.valuePtr()); - internal::smart_copy(m_matrix.innerIndexPtr(), m_matrix.innerIndexPtr() + start, newdata.indexPtr()); - - internal::smart_copy(tmp.valuePtr() + tmp_start, tmp.valuePtr() + tmp_start + nnz, newdata.valuePtr() + start); - internal::smart_copy(tmp.innerIndexPtr() + tmp_start, tmp.innerIndexPtr() + tmp_start + nnz, newdata.indexPtr() + start); - - internal::smart_copy(matrix.valuePtr()+end, matrix.valuePtr()+end + tail_size, newdata.valuePtr()+start+nnz); - internal::smart_copy(matrix.innerIndexPtr()+end, matrix.innerIndexPtr()+end + tail_size, newdata.indexPtr()+start+nnz); - - newdata.resize(m_matrix.outerIndexPtr()[m_matrix.outerSize()] - block_size + nnz); - - matrix.data().swap(newdata); - - update_trailing_pointers = true; - } - else - { - if(m_matrix.isCompressed()) - { - // no need to realloc, simply copy the tail at its respective position and insert tmp - matrix.data().resize(start + nnz + tail_size); - - internal::smart_memmove(matrix.valuePtr()+end, matrix.valuePtr() + end+tail_size, matrix.valuePtr() + start+nnz); - internal::smart_memmove(matrix.innerIndexPtr()+end, matrix.innerIndexPtr() + end+tail_size, matrix.innerIndexPtr() + start+nnz); - - update_trailing_pointers = true; - } - - internal::smart_copy(tmp.valuePtr() + tmp_start, tmp.valuePtr() + tmp_start + nnz, matrix.valuePtr() + start); - internal::smart_copy(tmp.innerIndexPtr() + tmp_start, tmp.innerIndexPtr() + tmp_start + nnz, matrix.innerIndexPtr() + start); - } - - // update outer index pointers and innerNonZeros - if(IsVectorAtCompileTime) - { - if(!m_matrix.isCompressed()) - matrix.innerNonZeroPtr()[m_outerStart] = StorageIndex(nnz); - matrix.outerIndexPtr()[m_outerStart] = StorageIndex(start); - } - else - { - StorageIndex p = StorageIndex(start); - for(Index k=0; k<m_outerSize.value(); ++k) - { - StorageIndex nnz_k = internal::convert_index<StorageIndex>(tmp.innerVector(k).nonZeros()); - if(!m_matrix.isCompressed()) - matrix.innerNonZeroPtr()[m_outerStart+k] = nnz_k; - matrix.outerIndexPtr()[m_outerStart+k] = p; - p += nnz_k; - } - } - - if(update_trailing_pointers) - { - StorageIndex offset = internal::convert_index<StorageIndex>(nnz - block_size); - for(Index k = m_outerStart + m_outerSize.value(); k<=matrix.outerSize(); ++k) - { - matrix.outerIndexPtr()[k] += offset; - } - } - - return derived(); - } - - inline BlockType& operator=(const BlockType& other) - { - return operator=<BlockType>(other); - } - - inline const Scalar* valuePtr() const - { return m_matrix.valuePtr(); } - inline Scalar* valuePtr() - { return m_matrix.valuePtr(); } - - inline const StorageIndex* innerIndexPtr() const - { return m_matrix.innerIndexPtr(); } - inline StorageIndex* innerIndexPtr() - { return m_matrix.innerIndexPtr(); } - - inline const StorageIndex* outerIndexPtr() const - { return m_matrix.outerIndexPtr() + m_outerStart; } - inline StorageIndex* outerIndexPtr() - { return m_matrix.outerIndexPtr() + m_outerStart; } - - inline const StorageIndex* innerNonZeroPtr() const - { return isCompressed() ? 0 : (m_matrix.innerNonZeroPtr()+m_outerStart); } - inline StorageIndex* innerNonZeroPtr() - { return isCompressed() ? 0 : (m_matrix.innerNonZeroPtr()+m_outerStart); } - - bool isCompressed() const { return m_matrix.innerNonZeroPtr()==0; } - - inline Scalar& coeffRef(Index row, Index col) - { - return m_matrix.coeffRef(row + (IsRowMajor ? m_outerStart : 0), col + (IsRowMajor ? 0 : m_outerStart)); - } - - inline const Scalar coeff(Index row, Index col) const - { - return m_matrix.coeff(row + (IsRowMajor ? m_outerStart : 0), col + (IsRowMajor ? 0 : m_outerStart)); - } - - inline const Scalar coeff(Index index) const - { - return m_matrix.coeff(IsRowMajor ? m_outerStart : index, IsRowMajor ? index : m_outerStart); - } - - const Scalar& lastCoeff() const - { - EIGEN_STATIC_ASSERT_VECTOR_ONLY(sparse_matrix_block_impl); - eigen_assert(Base::nonZeros()>0); - if(m_matrix.isCompressed()) - return m_matrix.valuePtr()[m_matrix.outerIndexPtr()[m_outerStart+1]-1]; - else - return m_matrix.valuePtr()[m_matrix.outerIndexPtr()[m_outerStart]+m_matrix.innerNonZeroPtr()[m_outerStart]-1]; - } - - EIGEN_STRONG_INLINE Index rows() const { return IsRowMajor ? m_outerSize.value() : m_matrix.rows(); } - EIGEN_STRONG_INLINE Index cols() const { return IsRowMajor ? m_matrix.cols() : m_outerSize.value(); } - - inline const SparseMatrixType& nestedExpression() const { return m_matrix; } - inline SparseMatrixType& nestedExpression() { return m_matrix; } - Index startRow() const { return IsRowMajor ? m_outerStart : 0; } - Index startCol() const { return IsRowMajor ? 0 : m_outerStart; } - Index blockRows() const { return IsRowMajor ? m_outerSize.value() : m_matrix.rows(); } - Index blockCols() const { return IsRowMajor ? m_matrix.cols() : m_outerSize.value(); } - - protected: - - typename internal::ref_selector<SparseMatrixType>::non_const_type m_matrix; - Index m_outerStart; - const internal::variable_if_dynamic<Index, OuterSize> m_outerSize; - -}; - -} // namespace internal - -template<typename _Scalar, int _Options, typename _StorageIndex, int BlockRows, int BlockCols> -class BlockImpl<SparseMatrix<_Scalar, _Options, _StorageIndex>,BlockRows,BlockCols,true,Sparse> - : public internal::sparse_matrix_block_impl<SparseMatrix<_Scalar, _Options, _StorageIndex>,BlockRows,BlockCols> -{ -public: - typedef _StorageIndex StorageIndex; - typedef SparseMatrix<_Scalar, _Options, _StorageIndex> SparseMatrixType; - typedef internal::sparse_matrix_block_impl<SparseMatrixType,BlockRows,BlockCols> Base; - inline BlockImpl(SparseMatrixType& xpr, Index i) - : Base(xpr, i) - {} - - inline BlockImpl(SparseMatrixType& xpr, Index startRow, Index startCol, Index blockRows, Index blockCols) - : Base(xpr, startRow, startCol, blockRows, blockCols) - {} - - using Base::operator=; -}; - -template<typename _Scalar, int _Options, typename _StorageIndex, int BlockRows, int BlockCols> -class BlockImpl<const SparseMatrix<_Scalar, _Options, _StorageIndex>,BlockRows,BlockCols,true,Sparse> - : public internal::sparse_matrix_block_impl<const SparseMatrix<_Scalar, _Options, _StorageIndex>,BlockRows,BlockCols> -{ -public: - typedef _StorageIndex StorageIndex; - typedef const SparseMatrix<_Scalar, _Options, _StorageIndex> SparseMatrixType; - typedef internal::sparse_matrix_block_impl<SparseMatrixType,BlockRows,BlockCols> Base; - inline BlockImpl(SparseMatrixType& xpr, Index i) - : Base(xpr, i) - {} - - inline BlockImpl(SparseMatrixType& xpr, Index startRow, Index startCol, Index blockRows, Index blockCols) - : Base(xpr, startRow, startCol, blockRows, blockCols) - {} - - using Base::operator=; -private: - template<typename Derived> BlockImpl(const SparseMatrixBase<Derived>& xpr, Index i); - template<typename Derived> BlockImpl(const SparseMatrixBase<Derived>& xpr); -}; - -//---------- - -/** \returns the \a outer -th column (resp. row) of the matrix \c *this if \c *this - * is col-major (resp. row-major). - */ -template<typename Derived> -typename SparseMatrixBase<Derived>::InnerVectorReturnType SparseMatrixBase<Derived>::innerVector(Index outer) -{ return InnerVectorReturnType(derived(), outer); } - -/** \returns the \a outer -th column (resp. row) of the matrix \c *this if \c *this - * is col-major (resp. row-major). Read-only. - */ -template<typename Derived> -const typename SparseMatrixBase<Derived>::ConstInnerVectorReturnType SparseMatrixBase<Derived>::innerVector(Index outer) const -{ return ConstInnerVectorReturnType(derived(), outer); } - -/** \returns the \a outer -th column (resp. row) of the matrix \c *this if \c *this - * is col-major (resp. row-major). - */ -template<typename Derived> -typename SparseMatrixBase<Derived>::InnerVectorsReturnType -SparseMatrixBase<Derived>::innerVectors(Index outerStart, Index outerSize) -{ - return Block<Derived,Dynamic,Dynamic,true>(derived(), - IsRowMajor ? outerStart : 0, IsRowMajor ? 0 : outerStart, - IsRowMajor ? outerSize : rows(), IsRowMajor ? cols() : outerSize); - -} - -/** \returns the \a outer -th column (resp. row) of the matrix \c *this if \c *this - * is col-major (resp. row-major). Read-only. - */ -template<typename Derived> -const typename SparseMatrixBase<Derived>::ConstInnerVectorsReturnType -SparseMatrixBase<Derived>::innerVectors(Index outerStart, Index outerSize) const -{ - return Block<const Derived,Dynamic,Dynamic,true>(derived(), - IsRowMajor ? outerStart : 0, IsRowMajor ? 0 : outerStart, - IsRowMajor ? outerSize : rows(), IsRowMajor ? cols() : outerSize); - -} - -/** Generic implementation of sparse Block expression. - * Real-only. - */ -template<typename XprType, int BlockRows, int BlockCols, bool InnerPanel> -class BlockImpl<XprType,BlockRows,BlockCols,InnerPanel,Sparse> - : public SparseMatrixBase<Block<XprType,BlockRows,BlockCols,InnerPanel> >, internal::no_assignment_operator -{ - typedef Block<XprType, BlockRows, BlockCols, InnerPanel> BlockType; - typedef SparseMatrixBase<BlockType> Base; - using Base::convert_index; -public: - enum { IsRowMajor = internal::traits<BlockType>::IsRowMajor }; - EIGEN_SPARSE_PUBLIC_INTERFACE(BlockType) - - typedef typename internal::remove_all<typename XprType::Nested>::type _MatrixTypeNested; - - /** Column or Row constructor - */ - inline BlockImpl(XprType& xpr, Index i) - : m_matrix(xpr), - m_startRow( (BlockRows==1) && (BlockCols==XprType::ColsAtCompileTime) ? convert_index(i) : 0), - m_startCol( (BlockRows==XprType::RowsAtCompileTime) && (BlockCols==1) ? convert_index(i) : 0), - m_blockRows(BlockRows==1 ? 1 : xpr.rows()), - m_blockCols(BlockCols==1 ? 1 : xpr.cols()) - {} - - /** Dynamic-size constructor - */ - inline BlockImpl(XprType& xpr, Index startRow, Index startCol, Index blockRows, Index blockCols) - : m_matrix(xpr), m_startRow(convert_index(startRow)), m_startCol(convert_index(startCol)), m_blockRows(convert_index(blockRows)), m_blockCols(convert_index(blockCols)) - {} - - inline Index rows() const { return m_blockRows.value(); } - inline Index cols() const { return m_blockCols.value(); } - - inline Scalar& coeffRef(Index row, Index col) - { - return m_matrix.coeffRef(row + m_startRow.value(), col + m_startCol.value()); - } - - inline const Scalar coeff(Index row, Index col) const - { - return m_matrix.coeff(row + m_startRow.value(), col + m_startCol.value()); - } - - inline Scalar& coeffRef(Index index) - { - return m_matrix.coeffRef(m_startRow.value() + (RowsAtCompileTime == 1 ? 0 : index), - m_startCol.value() + (RowsAtCompileTime == 1 ? index : 0)); - } - - inline const Scalar coeff(Index index) const - { - return m_matrix.coeff(m_startRow.value() + (RowsAtCompileTime == 1 ? 0 : index), - m_startCol.value() + (RowsAtCompileTime == 1 ? index : 0)); - } - - inline const XprType& nestedExpression() const { return m_matrix; } - inline XprType& nestedExpression() { return m_matrix; } - Index startRow() const { return m_startRow.value(); } - Index startCol() const { return m_startCol.value(); } - Index blockRows() const { return m_blockRows.value(); } - Index blockCols() const { return m_blockCols.value(); } - - protected: -// friend class internal::GenericSparseBlockInnerIteratorImpl<XprType,BlockRows,BlockCols,InnerPanel>; - friend struct internal::unary_evaluator<Block<XprType,BlockRows,BlockCols,InnerPanel>, internal::IteratorBased, Scalar >; - - Index nonZeros() const { return Dynamic; } - - typename internal::ref_selector<XprType>::non_const_type m_matrix; - const internal::variable_if_dynamic<Index, XprType::RowsAtCompileTime == 1 ? 0 : Dynamic> m_startRow; - const internal::variable_if_dynamic<Index, XprType::ColsAtCompileTime == 1 ? 0 : Dynamic> m_startCol; - const internal::variable_if_dynamic<Index, RowsAtCompileTime> m_blockRows; - const internal::variable_if_dynamic<Index, ColsAtCompileTime> m_blockCols; - - protected: - // Disable assignment with clear error message. - // Note that simply removing operator= yields compilation errors with ICC+MSVC - template<typename T> - BlockImpl& operator=(const T&) - { - EIGEN_STATIC_ASSERT(sizeof(T)==0, THIS_SPARSE_BLOCK_SUBEXPRESSION_IS_READ_ONLY); - return *this; - } - -}; - -namespace internal { - -template<typename ArgType, int BlockRows, int BlockCols, bool InnerPanel> -struct unary_evaluator<Block<ArgType,BlockRows,BlockCols,InnerPanel>, IteratorBased > - : public evaluator_base<Block<ArgType,BlockRows,BlockCols,InnerPanel> > -{ - class InnerVectorInnerIterator; - class OuterVectorInnerIterator; - public: - typedef Block<ArgType,BlockRows,BlockCols,InnerPanel> XprType; - typedef typename XprType::StorageIndex StorageIndex; - typedef typename XprType::Scalar Scalar; - - enum { - IsRowMajor = XprType::IsRowMajor, - - OuterVector = (BlockCols==1 && ArgType::IsRowMajor) - | // FIXME | instead of || to please GCC 4.4.0 stupid warning "suggest parentheses around &&". - // revert to || as soon as not needed anymore. - (BlockRows==1 && !ArgType::IsRowMajor), - - CoeffReadCost = evaluator<ArgType>::CoeffReadCost, - Flags = XprType::Flags - }; - - typedef typename internal::conditional<OuterVector,OuterVectorInnerIterator,InnerVectorInnerIterator>::type InnerIterator; - - explicit unary_evaluator(const XprType& op) - : m_argImpl(op.nestedExpression()), m_block(op) - {} - - inline Index nonZerosEstimate() const { - Index nnz = m_block.nonZeros(); - if(nnz<0) - return m_argImpl.nonZerosEstimate() * m_block.size() / m_block.nestedExpression().size(); - return nnz; - } - - protected: - typedef typename evaluator<ArgType>::InnerIterator EvalIterator; - - evaluator<ArgType> m_argImpl; - const XprType &m_block; -}; - -template<typename ArgType, int BlockRows, int BlockCols, bool InnerPanel> -class unary_evaluator<Block<ArgType,BlockRows,BlockCols,InnerPanel>, IteratorBased>::InnerVectorInnerIterator - : public EvalIterator -{ - enum { IsRowMajor = unary_evaluator::IsRowMajor }; - const XprType& m_block; - Index m_end; -public: - - EIGEN_STRONG_INLINE InnerVectorInnerIterator(const unary_evaluator& aEval, Index outer) - : EvalIterator(aEval.m_argImpl, outer + (IsRowMajor ? aEval.m_block.startRow() : aEval.m_block.startCol())), - m_block(aEval.m_block), - m_end(IsRowMajor ? aEval.m_block.startCol()+aEval.m_block.blockCols() : aEval.m_block.startRow()+aEval.m_block.blockRows()) - { - while( (EvalIterator::operator bool()) && (EvalIterator::index() < (IsRowMajor ? m_block.startCol() : m_block.startRow())) ) - EvalIterator::operator++(); - } - - inline StorageIndex index() const { return EvalIterator::index() - convert_index<StorageIndex>(IsRowMajor ? m_block.startCol() : m_block.startRow()); } - inline Index outer() const { return EvalIterator::outer() - (IsRowMajor ? m_block.startRow() : m_block.startCol()); } - inline Index row() const { return EvalIterator::row() - m_block.startRow(); } - inline Index col() const { return EvalIterator::col() - m_block.startCol(); } - - inline operator bool() const { return EvalIterator::operator bool() && EvalIterator::index() < m_end; } -}; - -template<typename ArgType, int BlockRows, int BlockCols, bool InnerPanel> -class unary_evaluator<Block<ArgType,BlockRows,BlockCols,InnerPanel>, IteratorBased>::OuterVectorInnerIterator -{ - enum { IsRowMajor = unary_evaluator::IsRowMajor }; - const unary_evaluator& m_eval; - Index m_outerPos; - const Index m_innerIndex; - Index m_end; - EvalIterator m_it; -public: - - EIGEN_STRONG_INLINE OuterVectorInnerIterator(const unary_evaluator& aEval, Index outer) - : m_eval(aEval), - m_outerPos( (IsRowMajor ? aEval.m_block.startCol() : aEval.m_block.startRow()) ), - m_innerIndex(IsRowMajor ? aEval.m_block.startRow() : aEval.m_block.startCol()), - m_end(IsRowMajor ? aEval.m_block.startCol()+aEval.m_block.blockCols() : aEval.m_block.startRow()+aEval.m_block.blockRows()), - m_it(m_eval.m_argImpl, m_outerPos) - { - EIGEN_UNUSED_VARIABLE(outer); - eigen_assert(outer==0); - - while(m_it && m_it.index() < m_innerIndex) ++m_it; - if((!m_it) || (m_it.index()!=m_innerIndex)) - ++(*this); - } - - inline StorageIndex index() const { return convert_index<StorageIndex>(m_outerPos - (IsRowMajor ? m_eval.m_block.startCol() : m_eval.m_block.startRow())); } - inline Index outer() const { return 0; } - inline Index row() const { return IsRowMajor ? 0 : index(); } - inline Index col() const { return IsRowMajor ? index() : 0; } - - inline Scalar value() const { return m_it.value(); } - inline Scalar& valueRef() { return m_it.valueRef(); } - - inline OuterVectorInnerIterator& operator++() - { - // search next non-zero entry - while(++m_outerPos<m_end) - { - // Restart iterator at the next inner-vector: - m_it.~EvalIterator(); - ::new (&m_it) EvalIterator(m_eval.m_argImpl, m_outerPos); - // search for the key m_innerIndex in the current outer-vector - while(m_it && m_it.index() < m_innerIndex) ++m_it; - if(m_it && m_it.index()==m_innerIndex) break; - } - return *this; - } - - inline operator bool() const { return m_outerPos < m_end; } -}; - -template<typename _Scalar, int _Options, typename _StorageIndex, int BlockRows, int BlockCols> -struct unary_evaluator<Block<SparseMatrix<_Scalar, _Options, _StorageIndex>,BlockRows,BlockCols,true>, IteratorBased> - : evaluator<SparseCompressedBase<Block<SparseMatrix<_Scalar, _Options, _StorageIndex>,BlockRows,BlockCols,true> > > -{ - typedef Block<SparseMatrix<_Scalar, _Options, _StorageIndex>,BlockRows,BlockCols,true> XprType; - typedef evaluator<SparseCompressedBase<XprType> > Base; - explicit unary_evaluator(const XprType &xpr) : Base(xpr) {} -}; - -template<typename _Scalar, int _Options, typename _StorageIndex, int BlockRows, int BlockCols> -struct unary_evaluator<Block<const SparseMatrix<_Scalar, _Options, _StorageIndex>,BlockRows,BlockCols,true>, IteratorBased> - : evaluator<SparseCompressedBase<Block<const SparseMatrix<_Scalar, _Options, _StorageIndex>,BlockRows,BlockCols,true> > > -{ - typedef Block<const SparseMatrix<_Scalar, _Options, _StorageIndex>,BlockRows,BlockCols,true> XprType; - typedef evaluator<SparseCompressedBase<XprType> > Base; - explicit unary_evaluator(const XprType &xpr) : Base(xpr) {} -}; - -} // end namespace internal - - -} // end namespace Eigen - -#endif // EIGEN_SPARSE_BLOCK_H |