173 lines
6.5 KiB
C
173 lines
6.5 KiB
C
|
// This file is part of Eigen, a lightweight C++ template library
|
||
|
|
// for linear algebra.
|
||
|
|
//
|
||
|
|
// Copyright (C) 2008 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_SPARSEUTIL_H
|
||
|
|
#define EIGEN_SPARSEUTIL_H
|
||
|
|
|
||
|
|
namespace Eigen {
|
||
|
|
|
||
|
|
#ifdef NDEBUG
|
||
|
|
#define EIGEN_DBG_SPARSE(X)
|
||
|
|
#else
|
||
|
|
#define EIGEN_DBG_SPARSE(X) X
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define EIGEN_SPARSE_INHERIT_ASSIGNMENT_OPERATOR(Derived, Op) \
|
||
|
|
template<typename OtherDerived> \
|
||
|
|
EIGEN_STRONG_INLINE Derived& operator Op(const Eigen::SparseMatrixBase<OtherDerived>& other) \
|
||
|
|
{ \
|
||
|
|
return Base::operator Op(other.derived()); \
|
||
|
|
} \
|
||
|
|
EIGEN_STRONG_INLINE Derived& operator Op(const Derived& other) \
|
||
|
|
{ \
|
||
|
|
return Base::operator Op(other); \
|
||
|
|
}
|
||
|
|
|
||
|
|
#define EIGEN_SPARSE_INHERIT_SCALAR_ASSIGNMENT_OPERATOR(Derived, Op) \
|
||
|
|
template<typename Other> \
|
||
|
|
EIGEN_STRONG_INLINE Derived& operator Op(const Other& scalar) \
|
||
|
|
{ \
|
||
|
|
return Base::operator Op(scalar); \
|
||
|
|
}
|
||
|
|
|
||
|
|
#define EIGEN_SPARSE_INHERIT_ASSIGNMENT_OPERATORS(Derived) \
|
||
|
|
EIGEN_SPARSE_INHERIT_ASSIGNMENT_OPERATOR(Derived, =) \
|
||
|
|
EIGEN_SPARSE_INHERIT_ASSIGNMENT_OPERATOR(Derived, +=) \
|
||
|
|
EIGEN_SPARSE_INHERIT_ASSIGNMENT_OPERATOR(Derived, -=) \
|
||
|
|
EIGEN_SPARSE_INHERIT_SCALAR_ASSIGNMENT_OPERATOR(Derived, *=) \
|
||
|
|
EIGEN_SPARSE_INHERIT_SCALAR_ASSIGNMENT_OPERATOR(Derived, /=)
|
||
|
|
|
||
|
|
#define _EIGEN_SPARSE_PUBLIC_INTERFACE(Derived, BaseClass) \
|
||
|
|
typedef BaseClass Base; \
|
||
|
|
typedef typename Eigen::internal::traits<Derived >::Scalar Scalar; \
|
||
|
|
typedef typename Eigen::NumTraits<Scalar>::Real RealScalar; \
|
||
|
|
typedef typename Eigen::internal::nested<Derived >::type Nested; \
|
||
|
|
typedef typename Eigen::internal::traits<Derived >::StorageKind StorageKind; \
|
||
|
|
typedef typename Eigen::internal::traits<Derived >::Index Index; \
|
||
|
|
enum { RowsAtCompileTime = Eigen::internal::traits<Derived >::RowsAtCompileTime, \
|
||
|
|
ColsAtCompileTime = Eigen::internal::traits<Derived >::ColsAtCompileTime, \
|
||
|
|
Flags = Eigen::internal::traits<Derived >::Flags, \
|
||
|
|
CoeffReadCost = Eigen::internal::traits<Derived >::CoeffReadCost, \
|
||
|
|
SizeAtCompileTime = Base::SizeAtCompileTime, \
|
||
|
|
IsVectorAtCompileTime = Base::IsVectorAtCompileTime }; \
|
||
|
|
using Base::derived; \
|
||
|
|
using Base::const_cast_derived;
|
||
|
|
|
||
|
|
#define EIGEN_SPARSE_PUBLIC_INTERFACE(Derived) \
|
||
|
|
_EIGEN_SPARSE_PUBLIC_INTERFACE(Derived, Eigen::SparseMatrixBase<Derived >)
|
||
|
|
|
||
|
|
const int CoherentAccessPattern = 0x1;
|
||
|
|
const int InnerRandomAccessPattern = 0x2 | CoherentAccessPattern;
|
||
|
|
const int OuterRandomAccessPattern = 0x4 | CoherentAccessPattern;
|
||
|
|
const int RandomAccessPattern = 0x8 | OuterRandomAccessPattern | InnerRandomAccessPattern;
|
||
|
|
|
||
|
|
template<typename _Scalar, int _Flags = 0, typename _Index = int> class SparseMatrix;
|
||
|
|
template<typename _Scalar, int _Flags = 0, typename _Index = int> class DynamicSparseMatrix;
|
||
|
|
template<typename _Scalar, int _Flags = 0, typename _Index = int> class SparseVector;
|
||
|
|
template<typename _Scalar, int _Flags = 0, typename _Index = int> class MappedSparseMatrix;
|
||
|
|
|
||
|
|
template<typename MatrixType, int Mode> class SparseTriangularView;
|
||
|
|
template<typename MatrixType, unsigned int UpLo> class SparseSelfAdjointView;
|
||
|
|
template<typename Lhs, typename Rhs> class SparseDiagonalProduct;
|
||
|
|
template<typename MatrixType> class SparseView;
|
||
|
|
|
||
|
|
template<typename Lhs, typename Rhs> class SparseSparseProduct;
|
||
|
|
template<typename Lhs, typename Rhs> class SparseTimeDenseProduct;
|
||
|
|
template<typename Lhs, typename Rhs> class DenseTimeSparseProduct;
|
||
|
|
template<typename Lhs, typename Rhs, bool Transpose> class SparseDenseOuterProduct;
|
||
|
|
|
||
|
|
template<typename Lhs, typename Rhs> struct SparseSparseProductReturnType;
|
||
|
|
template<typename Lhs, typename Rhs,
|
||
|
|
int InnerSize = EIGEN_SIZE_MIN_PREFER_FIXED(internal::traits<Lhs>::ColsAtCompileTime,internal::traits<Rhs>::RowsAtCompileTime)> struct DenseSparseProductReturnType;
|
||
|
|
template<typename Lhs, typename Rhs,
|
||
|
|
int InnerSize = EIGEN_SIZE_MIN_PREFER_FIXED(internal::traits<Lhs>::ColsAtCompileTime,internal::traits<Rhs>::RowsAtCompileTime)> struct SparseDenseProductReturnType;
|
||
|
|
template<typename MatrixType,int UpLo> class SparseSymmetricPermutationProduct;
|
||
|
|
|
||
|
|
namespace internal {
|
||
|
|
|
||
|
|
template<typename T,int Rows,int Cols> struct sparse_eval;
|
||
|
|
|
||
|
|
template<typename T> struct eval<T,Sparse>
|
||
|
|
: public sparse_eval<T, traits<T>::RowsAtCompileTime,traits<T>::ColsAtCompileTime>
|
||
|
|
{};
|
||
|
|
|
||
|
|
template<typename T,int Cols> struct sparse_eval<T,1,Cols> {
|
||
|
|
typedef typename traits<T>::Scalar _Scalar;
|
||
|
|
typedef typename traits<T>::Index _Index;
|
||
|
|
public:
|
||
|
|
typedef SparseVector<_Scalar, RowMajor, _Index> type;
|
||
|
|
};
|
||
|
|
|
||
|
|
template<typename T,int Rows> struct sparse_eval<T,Rows,1> {
|
||
|
|
typedef typename traits<T>::Scalar _Scalar;
|
||
|
|
typedef typename traits<T>::Index _Index;
|
||
|
|
public:
|
||
|
|
typedef SparseVector<_Scalar, ColMajor, _Index> type;
|
||
|
|
};
|
||
|
|
|
||
|
|
template<typename T,int Rows,int Cols> struct sparse_eval {
|
||
|
|
typedef typename traits<T>::Scalar _Scalar;
|
||
|
|
typedef typename traits<T>::Index _Index;
|
||
|
|
enum { _Options = ((traits<T>::Flags&RowMajorBit)==RowMajorBit) ? RowMajor : ColMajor };
|
||
|
|
public:
|
||
|
|
typedef SparseMatrix<_Scalar, _Options, _Index> type;
|
||
|
|
};
|
||
|
|
|
||
|
|
template<typename T> struct sparse_eval<T,1,1> {
|
||
|
|
typedef typename traits<T>::Scalar _Scalar;
|
||
|
|
public:
|
||
|
|
typedef Matrix<_Scalar, 1, 1> type;
|
||
|
|
};
|
||
|
|
|
||
|
|
template<typename T> struct plain_matrix_type<T,Sparse>
|
||
|
|
{
|
||
|
|
typedef typename traits<T>::Scalar _Scalar;
|
||
|
|
typedef typename traits<T>::Index _Index;
|
||
|
|
enum { _Options = ((traits<T>::Flags&RowMajorBit)==RowMajorBit) ? RowMajor : ColMajor };
|
||
|
|
public:
|
||
|
|
typedef SparseMatrix<_Scalar, _Options, _Index> type;
|
||
|
|
};
|
||
|
|
|
||
|
|
} // end namespace internal
|
||
|
|
|
||
|
|
/** \ingroup SparseCore_Module
|
||
|
|
*
|
||
|
|
* \class Triplet
|
||
|
|
*
|
||
|
|
* \brief A small structure to hold a non zero as a triplet (i,j,value).
|
||
|
|
*
|
||
|
|
* \sa SparseMatrix::setFromTriplets()
|
||
|
|
*/
|
||
|
|
template<typename Scalar, typename Index=typename SparseMatrix<Scalar>::Index >
|
||
|
|
class Triplet
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
Triplet() : m_row(0), m_col(0), m_value(0) {}
|
||
|
|
|
||
|
|
Triplet(const Index& i, const Index& j, const Scalar& v = Scalar(0))
|
||
|
|
: m_row(i), m_col(j), m_value(v)
|
||
|
|
{}
|
||
|
|
|
||
|
|
/** \returns the row index of the element */
|
||
|
|
const Index& row() const { return m_row; }
|
||
|
|
|
||
|
|
/** \returns the column index of the element */
|
||
|
|
const Index& col() const { return m_col; }
|
||
|
|
|
||
|
|
/** \returns the value of the element */
|
||
|
|
const Scalar& value() const { return m_value; }
|
||
|
|
protected:
|
||
|
|
Index m_row, m_col;
|
||
|
|
Scalar m_value;
|
||
|
|
};
|
||
|
|
|
||
|
|
} // end namespace Eigen
|
||
|
|
|
||
|
|
#endif // EIGEN_SPARSEUTIL_H
|