Ipopt  3.11.9
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 // $Id: IpIterativeWsmpSolverInterface.hpp 1861 2010-12-21 21:34:47Z andreasw $
6 //
7 // Authors: Andreas Waechter IBM 2009-09-18
8 // based on IpWsmpSolverInterface.hpp (rev 1483)
9 
10 
11 #ifndef __IPITERATIVEWSMPSOLVERINTERFACE_HPP__
12 #define __IPITERATIVEWSMPSOLVERINTERFACE_HPP__
13 
15 
16 namespace Ipopt
17 {
18 
24  {
25  public:
30 
34 
36  bool InitializeImpl(const OptionsList& options,
37  const std::string& prefix);
38 
39 
44  const Index *ia,
45  const Index *ja);
46 
49  virtual double* GetValuesArrayPtr();
50 
52  virtual ESymSolverStatus MultiSolve(bool new_matrix,
53  const Index* ia,
54  const Index* ja,
55  Index nrhs,
56  double* rhs_vals,
57  bool check_NegEVals,
58  Index numberOfNegEVals);
59 
63  virtual Index NumberOfNegEVals() const;
65 
66  //* @name Options of Linear solver */
68 
70  virtual bool IncreaseQuality();
71 
75  virtual bool ProvidesInertia() const
76  {
77  return false;
78  }
83  {
84  return CSR_Format_1_Offset;
85  }
87 
92 
93  private:
104 
108 
113 
115  double* a_;
117 
133 
136 
139 #if 0
141  Index negevals_;
142 #endif
144 
157 
163  double* DPARM_;
165 
171 
174 
178  const Index* ja,
179  bool check_NegEVals,
180  Index numberOfNegEVals);
181 
185  const Index* ja,
186  Index nrhs,
187  double *rhs_vals);
189  };
190 
191 } // namespace Ipopt
192 #endif
FORTRAN_INTEGER_TYPE ipfint
Definition: IpTypes.hpp:26
Interface to the linear solver WISMP, derived from SparseSymLinearSolverInterface.
double * a_
Array for storing the values of the matrix.
ESymSolverStatus SymbolicFactorization(const Index *ia, const Index *ja)
Call Wsmp to do the analysis phase.
ESymSolverStatus InternalSymFact(const Index *ia, const Index *ja)
Call Wsmp to really do the analysis phase.
virtual ~IterativeWsmpSolverInterface()
Destructor.
virtual double * GetValuesArrayPtr()
Method returing an internal array into which the nonzero elements are to be stored.
bool initialized_
Flag indicating if internal data is initialized.
Index matrix_file_number_
Counter for matrix file numbers.
ESymSolverStatus Solve(const Index *ia, const Index *ja, Index nrhs, double *rhs_vals)
Call Wsmpx to do the Solve.
bool pivtol_changed_
Flag indicating if the matrix has to be refactorized because the pivot tolerance has been changed.
Index wsmp_write_matrix_iteration_
iteration number in which matrices are to be written out
IterativeWsmpSolverInterface(const IterativeWsmpSolverInterface &)
Copy Constructor.
bool have_symbolic_factorization_
Flag indicating whether symbolic factorization and order has already been performed.
virtual bool IncreaseQuality()
Request to increase quality of solution for next solve.
Index wsmp_num_threads_
Option that controls the matching strategy.
virtual bool ProvidesInertia() const
Query whether inertia is computed by linear solver.
EMatrixFormat MatrixFormat() const
Query of requested matrix type that the linear solver understands.
Index wsmp_scaling_
Indicating which of WSMP's scaling methods should be used.
ipfint * IPARM_
Integer parameter array for WISMP.
double * DPARM_
Double precision 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 stuctures.
ESymSolverStatus Factorization(const Index *ia, const Index *ja, bool check_NegEVals, Index numberOfNegEVals)
Call Wsmp to factorize the Matrix.
virtual Index NumberOfNegEVals() const
Number of negative eigenvalues detected during last factorization.
bool InitializeImpl(const OptionsList &options, const std::string &prefix)
overloaded from AlgorithmStrategyObject
void operator=(const IterativeWsmpSolverInterface &)
Overloaded Equals Operator.
static void RegisterOptions(SmartPtr< RegisteredOptions > roptions)
Methods for IpoptType.
Index dim_
Number of rows and columns of the matrix.
This class stores a list of user set options.
Template class for Smart Pointers.
Definition: IpSmartPtr.hpp:183
Base class for interfaces to symmetric indefinite linear solvers for sparse matrices.
EMatrixFormat
Enum to specify sparse matrix format.
@ CSR_Format_1_Offset
Compressed sparse row format for lower triangular part, with 1 offset.
ESymSolverStatus
Enum to report outcome of a linear solve.
int Index
Type of all indices of vectors, matrices etc.
Definition: IpTypes.hpp:19
double Number
Type of all numbers.
Definition: IpTypes.hpp:17