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IpSumSymMatrix.hpp
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1 // Copyright (C) 2004, 2008 International Business Machines and others.
2 // All Rights Reserved.
3 // This code is published under the Eclipse Public License.
4 //
5 // $Id: IpSumSymMatrix.hpp 1861 2010-12-21 21:34:47Z andreasw $
6 //
7 // Authors: Carl Laird, Andreas Waechter IBM 2004-08-13
8 
9 #ifndef __IPSUMSYMMATRIX_HPP__
10 #define __IPSUMSYMMATRIX_HPP__
11 
12 #include "IpUtils.hpp"
13 #include "IpSymMatrix.hpp"
14 
15 namespace Ipopt
16 {
17 
18  /* forward declarations */
19  class SumSymMatrixSpace;
20 
24  class SumSymMatrix : public SymMatrix
25  {
26  public:
27 
30 
34  SumSymMatrix(const SumSymMatrixSpace* owner_space);
35 
37  ~SumSymMatrix();
39 
42  void SetTerm(Index iterm, Number factor, const SymMatrix& matrix);
43 
46  void GetTerm(Index iterm, Number& factor, SmartPtr<const SymMatrix>& matrix) const;
47 
49  Index NTerms() const;
50 
51  protected:
54  virtual void MultVectorImpl(Number alpha, const Vector& x,
55  Number beta, Vector& y) const;
56 
59  virtual bool HasValidNumbersImpl() const;
60 
61  virtual void ComputeRowAMaxImpl(Vector& rows_norms, bool init) const;
62 
63  virtual void ComputeColAMaxImpl(Vector& cols_norms, bool init) const;
64 
65  virtual void PrintImpl(const Journalist& jnlst,
66  EJournalLevel level,
67  EJournalCategory category,
68  const std::string& name,
69  Index indent,
70  const std::string& prefix) const;
72 
73  private:
83  SumSymMatrix();
84 
86  SumSymMatrix(const SumSymMatrix&);
87 
89  void operator=(const SumSymMatrix&);
91 
93  std::vector<Number> factors_;
94 
96  std::vector<SmartPtr<const SymMatrix> > matrices_;
97 
100  };
101 
104  {
105  public:
111  :
112  SymMatrixSpace(ndim),
113  nterms_(nterms)
114  {}
115 
118  {}
120 
124  Index NTerms() const
125  {
126  return nterms_;
127  }
129 
133  void SetTermSpace(Index term_idx, const SymMatrixSpace& space);
134 
137 
140 
143  virtual SymMatrix* MakeNewSymMatrix() const;
144 
145  private:
147 
148  std::vector< SmartPtr<const SymMatrixSpace> > term_spaces_;
149  };
150 
151 } // namespace Ipopt
152 #endif