Ipopt  3.11.9
IpWsmpSolverInterface.hpp
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1 // Copyright (C) 2005, 2010 International Business Machines and others.
2 // All Rights Reserved.
3 // This code is published under the Eclipse Public License.
4 //
5 // $Id: IpWsmpSolverInterface.hpp 1861 2010-12-21 21:34:47Z andreasw $
6 //
7 // Authors: Carl Laird, Andreas Waechter IBM 2005-03-17
8 
9 
10 #ifndef __IPWSMPSOLVERINTERFACE_HPP__
11 #define __IPWSMPSOLVERINTERFACE_HPP__
12 
14 
15 //#define PARDISO_MATCHING_PREPROCESS
16 
17 namespace Ipopt
18 {
19 
25  {
26  public:
31 
35 
37  bool InitializeImpl(const OptionsList& options,
38  const std::string& prefix);
39 
40 
45  const Index *ia,
46  const Index *ja);
47 
50  virtual double* GetValuesArrayPtr();
51 
53  virtual ESymSolverStatus MultiSolve(bool new_matrix,
54  const Index* ia,
55  const Index* ja,
56  Index nrhs,
57  double* rhs_vals,
58  bool check_NegEVals,
59  Index numberOfNegEVals);
60 
64  virtual Index NumberOfNegEVals() const;
66 
67  //* @name Options of Linear solver */
69 
71  virtual bool IncreaseQuality();
72 
76  virtual bool ProvidesInertia() const
77  {
78  return true;
79  }
84  {
85  return CSR_Format_1_Offset;
86  }
88 
93 
96  virtual bool ProvidesDegeneracyDetection() const;
97 
101  const Index* ja,
102  std::list<Index>& c_deps);
103 
104  private:
115 
119 
124 
127 
129  double* a_;
130 
131 #ifdef PARDISO_MATCHING_PREPROCESS
135  ipfint* ia2;
136  ipfint* ja2;
137  double* a2_;
138  ipfint* perm2;
139  double* scale2;
141 
142 #endif
143 
145 
168 
171 
177 
197 
203  double* DPARM_;
211 
217 
220  Index numberOfNegEVals);
221 
225  const Index* ja,
226  bool check_NegEVals,
227  Index numberOfNegEVals);
228 
232  const Index* ja,
233  Index nrhs,
234  double *rhs_vals);
236  };
237 
238 } // namespace Ipopt
239 #endif
FORTRAN_INTEGER_TYPE ipfint
Definition: IpTypes.hpp:26
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.
Interface to the linear solver Wsmp, derived from SparseSymLinearSolverInterface.
Index matrix_file_number_
Counter for matrix file numbers.
void operator=(const WsmpSolverInterface &)
Overloaded Equals Operator.
WsmpSolverInterface(const WsmpSolverInterface &)
Copy Constructor.
bool have_symbolic_factorization_
Flag indicating whether symbolic factorization and order has already been performed.
ipfint * IPARM_
Integer parameter array for WSSMP.
virtual ESymSolverStatus InitializeStructure(Index dim, Index nonzeros, const Index *ia, const Index *ja)
Method for initializing internal stuctures.
ESymSolverStatus SymbolicFactorization(const Index *ia, const Index *ja)
Call Wsmp to do the analysis phase.
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 bool ProvidesDegeneracyDetection() const
Query whether the indices of linearly dependent rows/columns can be determined by this linear solver.
ipfint * MRP_
WSSMP's internal MRP array.
ipfint * INVP_
WSSMP's inverse permutation vector.
virtual ~WsmpSolverInterface()
Destructor.
virtual bool ProvidesInertia() const
Query whether inertia is computed by linear solver.
virtual ESymSolverStatus DetermineDependentRows(const Index *ia, const Index *ja, std::list< Index > &c_deps)
This method determines the list of row indices of the linearly dependent rows.
Index dim_
Number of rows and columns of the matrix.
ipfint * PERM_
WSSMP's permutation vector.
Index wsmp_num_threads_
Option that controls the matching strategy.
bool wsmp_no_pivoting_
Flag indicating whether the positive definite version of WSMP should be used.
bool initialized_
Flag indicating if internal data is initialized.
ESymSolverStatus Factorization(const Index *ia, const Index *ja, bool check_NegEVals, Index numberOfNegEVals)
Call Wsmp to factorize the Matrix.
ESymSolverStatus Solve(const Index *ia, const Index *ja, Index nrhs, double *rhs_vals)
Call Wsmpx to do the Solve.
Index factorizations_since_recomputed_ordering_
Counter indicating how many factorizations have been done sine the last recomputation of the ordering...
Index nonzeros_
Number of nonzeros of the matrix in triplet representation.
virtual Index NumberOfNegEVals() const
Number of negative eigenvalues detected during last factorization.
Index wsmp_write_matrix_iteration_
iteration number in which matrices are to be written out
bool skip_inertia_check_
Flag indicating if the interia is always assumed to be correct.
bool pivtol_changed_
Flag indicating if the matrix has to be refactorized because the pivot tolerance has been changed,...
bool InitializeImpl(const OptionsList &options, const std::string &prefix)
overloaded from AlgorithmStrategyObject
Number wsmp_singularity_threshold_
WSMP's singularity threshold.
EMatrixFormat MatrixFormat() const
Query of requested matrix type that the linear solver understands.
bool printed_num_threads_
Flag indicating if we already printed how many threads are used by WSMP.
double * a_
Array for storing the values of the matrix.
virtual double * GetValuesArrayPtr()
Method returing an internal array into which the nonzero elements are to be stored.
Index negevals_
Number of negative eigenvalues.
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.
WsmpSolverInterface()
Constructor.
Number wsmp_pivtolmax_
Maximal pivot tolerance.
double * DPARM_
Double precision parameter array for WSSMP.
Number wsmp_pivtol_
Pivol tolerance.
static void RegisterOptions(SmartPtr< RegisteredOptions > roptions)
Methods for IpoptType.
ESymSolverStatus InternalSymFact(const Index *ia, const Index *ja, Index numberOfNegEVals)
Call Wsmp to really do the analysis phase.
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