diff options
Diffstat (limited to 'thirdparty/linux/include/coin/coin/IpCompoundSymMatrix.hpp')
| -rw-r--r-- | thirdparty/linux/include/coin/coin/IpCompoundSymMatrix.hpp | 283 |
1 files changed, 283 insertions, 0 deletions
diff --git a/thirdparty/linux/include/coin/coin/IpCompoundSymMatrix.hpp b/thirdparty/linux/include/coin/coin/IpCompoundSymMatrix.hpp new file mode 100644 index 0000000..4ca18fe --- /dev/null +++ b/thirdparty/linux/include/coin/coin/IpCompoundSymMatrix.hpp @@ -0,0 +1,283 @@ +// Copyright (C) 2004, 2008 International Business Machines and others. +// All Rights Reserved. +// This code is published under the Eclipse Public License. +// +// $Id: IpCompoundSymMatrix.hpp 2269 2013-05-05 11:32:40Z stefan $ +// +// Authors: Carl Laird, Andreas Waechter IBM 2004-08-13 + +#ifndef __IPCOMPOUNDSYMMATRIX_HPP__ +#define __IPCOMPOUNDSYMMATRIX_HPP__ + +#include "IpUtils.hpp" +#include "IpSymMatrix.hpp" + +namespace Ipopt +{ + + /* forward declarations */ + class CompoundSymMatrixSpace; + + /** Class for symmetric matrices consisting of other matrices. + * Here, the lower left block of the matrix is stored. + */ + class CompoundSymMatrix : public SymMatrix + { + public: + + /**@name Constructors / Destructors */ + //@{ + + /** Constructor, taking only the number for block components into the + * row and column direction. The owner_space has to be defined, so + * that at each block row and column contain at least one non-NULL + * component. + */ + CompoundSymMatrix(const CompoundSymMatrixSpace* owner_space); + + /** Destructor */ + ~CompoundSymMatrix(); + //@} + + /** Method for setting an individual component at position (irow, + * icol) in the compound matrix. The counting of indices starts + * at 0. Since this only the lower left components are stored, we need + * to have jcol<=irow, and if irow==jcol, the matrix must be a SymMatrix */ + void SetComp(Index irow, Index jcol, const Matrix& matrix); + + /** Non const version of the same method */ + void SetCompNonConst(Index irow, Index jcol, Matrix& matrix); + + /** Method for retrieving one block from the compound matrix. + * Since this only the lower left components are stored, we need + * to have jcol<=irow */ + SmartPtr<const Matrix> GetComp(Index irow, Index jcol) const + { + return ConstComp(irow,jcol); + } + + /** Non const version of GetComp. You should only use this method + * if you are intending to change the matrix you receive, since + * this CompoundSymMatrix will be marked as changed. */ + SmartPtr<Matrix> GetCompNonConst(Index irow, Index jcol) + { + ObjectChanged(); + return Comp(irow,jcol); + } + + /** Method for creating a new matrix of this specific type. */ + SmartPtr<CompoundSymMatrix> MakeNewCompoundSymMatrix() const; + + // The following don't seem to be necessary + /* Number of block rows of this compound matrix. */ + // Index NComps_NRows() const { return NComps_Dim(); } + + /* Number of block colmuns of this compound matrix. */ + // Index NComps_NCols() const { return NComps_Dim(); } + + /** Number of block rows and columns */ + Index NComps_Dim() const; + + protected: + /**@name Methods overloaded from matrix */ + //@{ + virtual void MultVectorImpl(Number alpha, const Vector& x, + Number beta, Vector& y) const; + + /** Method for determining if all stored numbers are valid (i.e., + * no Inf or Nan). */ + virtual bool HasValidNumbersImpl() const; + + virtual void ComputeRowAMaxImpl(Vector& rows_norms, bool init) const; + + virtual void PrintImpl(const Journalist& jnlst, + EJournalLevel level, + EJournalCategory category, + const std::string& name, + Index indent, + const std::string& prefix) const; + //@} + + private: + /**@name Default Compiler Generated Methods + * (Hidden to avoid implicit creation/calling). + * These methods are not implemented and + * we do not want the compiler to implement + * them for us, so we declare them private + * and do not define them. This ensures that + * they will not be implicitly created/called. */ + //@{ + /** Default Constructor */ + CompoundSymMatrix(); + + /** Copy Constructor */ + CompoundSymMatrix(const CompoundSymMatrix&); + + /** Overloaded Equals Operator */ + void operator=(const CompoundSymMatrix&); + //@} + + /** Vector of vectors containing the components */ + std::vector<std::vector<SmartPtr<Matrix> > > comps_; + + /** Vector of vectors containing the const components */ + std::vector<std::vector<SmartPtr<const Matrix> > > const_comps_; + + /** Copy of the owner_space ptr as a CompoundSymMatrixSpace */ + const CompoundSymMatrixSpace* owner_space_; + + /** boolean indicating if the compound matrix is in a "valid" state */ + mutable bool matrices_valid_; + + /** method to check wether or not the matrices are valid */ + bool MatricesValid() const; + + /** Internal method to return a const pointer to one of the comps */ + const Matrix* ConstComp(Index irow, Index jcol) const + { + DBG_ASSERT(irow < NComps_Dim()); + DBG_ASSERT(jcol <= irow); + if (IsValid(comps_[irow][jcol])) { + return GetRawPtr(comps_[irow][jcol]); + } + else if (IsValid(const_comps_[irow][jcol])) { + return GetRawPtr(const_comps_[irow][jcol]); + } + + return NULL; + } + + /** Internal method to return a non-const pointer to one of the comps */ + Matrix* Comp(Index irow, Index jcol) + { + DBG_ASSERT(irow < NComps_Dim()); + DBG_ASSERT(jcol <= irow); + // We shouldn't be asking for a non-const if this entry holds a + // const one... + DBG_ASSERT(IsNull(const_comps_[irow][jcol])); + if (IsValid(comps_[irow][jcol])) { + return GetRawPtr(comps_[irow][jcol]); + } + + return NULL; + } + }; + + /** This is the matrix space for CompoundSymMatrix. Before a + * CompoundSymMatrix can be created, at least one SymMatrixSpace has + * to be set per block row and column. Individual component + * SymMatrixSpace's can be set with the SetComp method. + */ + class CompoundSymMatrixSpace : public SymMatrixSpace + { + public: + /** @name Constructors / Destructors */ + //@{ + /** Constructor, given the number of blocks (same for rows and + * columns), as well as the total dimension of the matrix. + */ + CompoundSymMatrixSpace(Index ncomp_spaces, Index total_dim); + + /** Destructor */ + ~CompoundSymMatrixSpace() + {} + //@} + + /** @name Methods for setting information about the components. */ + //@{ + /** Set the dimension dim for block row (or column) irow_jcol */ + void SetBlockDim(Index irow_jcol, Index dim); + + /** Get the dimension dim for block row (or column) irow_jcol */ + Index GetBlockDim(Index irow_jcol) const; + + /** Set the component SymMatrixSpace. If auto_allocate is true, then + * a new CompoundSymMatrix created later with MakeNew will have this + * component automatically created with the SymMatrix's MakeNew. + * Otherwise, the corresponding component will be NULL and has to + * be set with the SetComp methods of the CompoundSymMatrix. + */ + void SetCompSpace(Index irow, Index jcol, + const MatrixSpace& mat_space, + bool auto_allocate = false); + //@} + + /** Obtain the component MatrixSpace in block row irow and block + * column jcol. + */ + SmartPtr<const MatrixSpace> GetCompSpace(Index irow, Index jcol) const + { + DBG_ASSERT(irow<ncomp_spaces_); + DBG_ASSERT(jcol<=irow); + return comp_spaces_[irow][jcol]; + } + + /** @name Accessor methods */ + //@{ + Index NComps_Dim() const + { + return ncomp_spaces_; + } + //@} + + /** Method for creating a new matrix of this specific type. */ + CompoundSymMatrix* MakeNewCompoundSymMatrix() const; + + /** Overloaded MakeNew method for the SymMatrixSpace base class. + */ + virtual SymMatrix* MakeNewSymMatrix() const + { + return MakeNewCompoundSymMatrix(); + } + + private: + /**@name Default Compiler Generated Methods + * (Hidden to avoid implicit creation/calling). + * These methods are not implemented and + * we do not want the compiler to implement + * them for us, so we declare them private + * and do not define them. This ensures that + * they will not be implicitly created/called. */ + //@{ + /** Default constructor */ + CompoundSymMatrixSpace(); + + /** Copy Constructor */ + CompoundSymMatrixSpace(const CompoundSymMatrix&); + + /** Overloaded Equals Operator */ + CompoundSymMatrixSpace& operator=(const CompoundSymMatrixSpace&); + //@} + + /** Number of components per row and column */ + Index ncomp_spaces_; + + /** Vector of the number of rows in each comp column, + * Since this is symmetric, this is also the number + * of columns in each row, hence, it is the dimension + * each of the diagonals */ + std::vector<Index> block_dim_; + + /** 2-dim std::vector of matrix spaces for the components. Only + * the lower right part is stored. */ + std::vector<std::vector<SmartPtr<const MatrixSpace> > > comp_spaces_; + + /** 2-dim std::vector of booleans deciding whether to + * allocate a new matrix for the blocks automagically */ + std::vector<std::vector< bool > > allocate_block_; + + /** boolean indicating if the compound matrix space is in a "valid" state */ + mutable bool dimensions_set_; + + /** Method to check whether or not the spaces are valid */ + bool DimensionsSet() const; + }; + + inline + SmartPtr<CompoundSymMatrix> CompoundSymMatrix::MakeNewCompoundSymMatrix() const + { + return owner_space_->MakeNewCompoundSymMatrix(); + } + +} // namespace Ipopt +#endif |