9 #ifndef __IPTSYMLINEARSOLVER_HPP__
10 #define __IPTSYMLINEARSOLVER_HPP__
51 const std::string& prefix);
62 Index numberOfNegEVals);
101 std::list<Index>& c_deps);
This class stores a list of user set options.
Template class for Smart Pointers.
EMatrixFormat
Enum to specify sparse matrix format.
Base class for all derived symmetric linear solvers.
This is the base class for all derived symmetric matrix types.
General driver for linear solvers for sparse indefinite symmetric matrices.
bool warm_start_same_structure_
Flag indicating whether the TNLP with identical structure has already been solved before.
void GiveMatrixToSolver(bool new_matrix, const SymMatrix &sym_A)
Copy the elements of the matrix in the required format into the array that is provided by the solver ...
virtual bool ProvidesInertia() const
Query whether inertia is computed by linear solver.
Index nonzeros_compressed_
Number of nonzeros in compressed format.
SmartPtr< TSymScalingMethod > scaling_method_
Strategy Object for a method that computes scaling factors for the matrices.
bool use_scaling_
Flag indicating whether scaling should be performed.
void operator=(const TSymLinearSolver &)
Overloaded Equals Operator.
bool linear_scaling_on_demand_
Flag indicating whether the scaling objected is to be switched on when increased quality is requested...
TSymLinearSolver()
Default Constructor.
Index * ajcn_
column indices of matrix in triplet (MA27) format.
SmartPtr< SparseSymLinearSolverInterface > solver_interface_
Strategy Object for an interface to a linear solver.
Index * airn_
row indices of matrix in triplet (MA27) format.
virtual bool IncreaseQuality()
Request to increase quality of solution for next solve.
Index dim_
Number of rows and columns of the matrix.
ESymSolverStatus DetermineDependentRows(Index n_rows, Index n_cols, Index n_jac_nz, Number *jac_c_vals, Index *jac_c_iRow, Index *jac_c_jCol, std::list< Index > &c_deps)
Given the entries of a matrix in Triplet format, this method determines the list of row indices of th...
bool InitializeImpl(const OptionsList &options, const std::string &prefix)
overloaded from AlgorithmStrategyObject
virtual ESymSolverStatus MultiSolve(const SymMatrix &A, std::vector< SmartPtr< const Vector > > &rhsV, std::vector< SmartPtr< Vector > > &solV, bool check_NegEVals, Index numberOfNegEVals)
Solve operation for multiple right hand sides.
SmartPtr< TripletToCSRConverter > triplet_to_csr_converter_
Pointer to object for conversion from triplet to compressed format.
bool ProvidesDegeneracyDetection() const
Returns true if the underlying linear solver can detect the linearly dependent rows in a matrix.
Index nonzeros_triplet_
Number of nonzeros of the matrix in triplet format.
TSymLinearSolver(SmartPtr< SparseSymLinearSolverInterface > solver_interface, SmartPtr< TSymScalingMethod > scaling_method)
Constructor.
bool have_structure_
Flag indicating if the internal structures are initialized.
TaggedObject::Tag atag_
Tag for the incoming matrix.
static void RegisterOptions(SmartPtr< RegisteredOptions > roptions)
Methods for OptionsList.
SparseSymLinearSolverInterface::EMatrixFormat matrix_format_
Flag indicating what matrix data format the solver requires.
double * scaling_factors_
Array storing the scaling factors.
ESymSolverStatus InitializeStructure(const SymMatrix &symT_A)
Initialize nonzero structure.
virtual ~TSymLinearSolver()
Destructor.
virtual Index NumberOfNegEVals() const
Number of negative eigenvalues detected during last factorization.
bool just_switched_on_scaling_
Flag indicating whether we just switched on the scaling.
bool initialized_
Flag indicating if the InitializeStructure method has been called for the linear solver.
TSymLinearSolver(const TSymLinearSolver &)
Copy Constructor.
unsigned int Tag
Type for the Tag values.
ESymSolverStatus
Enum to report outcome of a linear solve.
int Index
Type of all indices of vectors, matrices etc.
double Number
Type of all numbers.