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IpIterativeWsmpSolverInterface.hpp
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1 // Copyright (C) 2009 International Business Machines and others.
2 // All Rights Reserved.
3 // This code is published under the Eclipse Public License.
4 //
5 // Authors: Andreas Waechter IBM 2009-09-18
6 // based on IpWsmpSolverInterface.hpp (rev 1483)
7 
8 #ifndef __IPITERATIVEWSMPSOLVERINTERFACE_HPP__
9 #define __IPITERATIVEWSMPSOLVERINTERFACE_HPP__
10 
12 
13 namespace Ipopt
14 {
15 
20 {
21 public:
23 
26 
30 
31  bool InitializeImpl(
32  const OptionsList& options,
33  const std::string& prefix
34  );
35 
39  Index dim,
40  Index nonzeros,
41  const Index* ia,
42  const Index* ja
43  );
44 
45  virtual double* GetValuesArrayPtr();
46 
48  bool new_matrix,
49  const Index* ia,
50  const Index* ja,
51  Index nrhs,
52  double* rhs_vals,
53  bool check_NegEVals,
54  Index numberOfNegEVals
55  );
56 
57  virtual Index NumberOfNegEVals() const;
59 
60  //* @name Options of Linear solver */
62  virtual bool IncreaseQuality();
63 
64  virtual bool ProvidesInertia() const
65  {
66  return false;
67  }
68 
70  {
71  return CSR_Format_1_Offset;
72  }
74 
75  static void RegisterOptions(
77  );
78 
79 private:
88 
92  );
93 
95  void operator=(
97  );
99 
101 
104 
106  double* a_;
108 
110 
124 
127 
129 #if 0
131 
132  Index negevals_;
133 #endif
134 
137 
151 
153 
157  double* DPARM_;
159 
161 
165  const Index* ia,
166  const Index* ja
167  );
168 
171  const Index* ia,
172  const Index* ja
173  );
174 
177  const Index* ia,
178  const Index* ja,
179  bool check_NegEVals,
180  Index numberOfNegEVals
181  );
182 
185  const Index* ia,
186  const Index* ja,
187  Index nrhs,
188  double* rhs_vals
189  );
191 };
192 
193 } // namespace Ipopt
194 #endif
IPOPT_FORTRAN_INTEGER_TYPE ipfint
Definition: IpTypes.hpp:24
double * DPARM_
Double precision parameter array for WISMP.
ESymSolverStatus
Enum to report outcome of a linear solve.
ipfint * IPARM_
Integer parameter array for WISMP.
virtual ESymSolverStatus MultiSolve(bool new_matrix, const Index *ia, const Index *ja, Index nrhs, double *rhs_vals, bool check_NegEVals, Index numberOfNegEVals)
Solve operation for multiple right hand sides.
virtual ESymSolverStatus InitializeStructure(Index dim, Index nonzeros, const Index *ia, const Index *ja)
Method for initializing internal structures.
bool pivtol_changed_
Flag indicating if the matrix has to be refactorized because the pivot tolerance has been changed...
Base class for interfaces to symmetric indefinite linear solvers for sparse matrices.
ESymSolverStatus Factorization(const Index *ia, const Index *ja, bool check_NegEVals, Index numberOfNegEVals)
Call Wsmp to factorize the Matrix.
double Number
Type of all numbers.
Definition: IpTypes.hpp:15
Index wsmp_write_matrix_iteration_
iteration number in which matrices are to be written out
virtual double * GetValuesArrayPtr()
Method returning an internal array into which the nonzero elements (in the same order as ja) will be ...
ESymSolverStatus SymbolicFactorization(const Index *ia, const Index *ja)
Call Wsmp to do the analysis phase.
Index wsmp_scaling_
Indicating which of WSMP's scaling methods should be used.
virtual bool IncreaseQuality()
Request to increase quality of solution for next solve.
Compressed sparse row format for lower triangular part, with 1 offset.
double * a_
Array for storing the values of the matrix.
Template class for Smart Pointers.
Definition: IpSmartPtr.hpp:171
This class stores a list of user set options.
bool have_symbolic_factorization_
Flag indicating whether symbolic factorization and order has already been performed.
Interface to the linear solver WISMP, derived from SparseSymLinearSolverInterface.
Index matrix_file_number_
Counter for matrix file numbers.
virtual bool ProvidesInertia() const
Query whether inertia is computed by linear solver.
virtual Index NumberOfNegEVals() const
Number of negative eigenvalues detected during last factorization.
static void RegisterOptions(SmartPtr< RegisteredOptions > roptions)
void operator=(const IterativeWsmpSolverInterface &)
Default Assignment Operator.
bool InitializeImpl(const OptionsList &options, const std::string &prefix)
Implementation of the initialization method that has to be overloaded by for each derived class...
int Index
Type of all indices of vectors, matrices etc.
Definition: IpTypes.hpp:17
ESymSolverStatus InternalSymFact(const Index *ia, const Index *ja)
Call Wsmp to really do the analysis phase.
Index dim_
Number of rows and columns of the matrix.
EMatrixFormat
Enum to specify sparse matrix format.
ESymSolverStatus Solve(const Index *ia, const Index *ja, Index nrhs, double *rhs_vals)
Call Wsmpx to do the Solve.
virtual ~IterativeWsmpSolverInterface()
Destructor.
Index wsmp_num_threads_
Option that controls the matching strategy.
bool initialized_
Flag indicating if internal data is initialized.
EMatrixFormat MatrixFormat() const
Query of requested matrix type that the linear solver understands.