9 #ifndef __IPSPARSESYMLINEARSOLVERINTERFACE_HPP__
10 #define __IPSPARSESYMLINEARSOLVERINTERFACE_HPP__
129 const std::string& prefix) = 0;
141 const Index* ja) = 0;
189 Index numberOfNegEVals)=0;
234 std::list<Index>& c_deps)
This is the base class for all algorithm strategy objects.
This class stores a list of user set options.
Base class for interfaces to symmetric indefinite linear solvers for sparse matrices.
virtual Index NumberOfNegEVals() const =0
Number of negative eigenvalues detected during last factorization.
SparseSymLinearSolverInterface()
virtual ~SparseSymLinearSolverInterface()
virtual bool ProvidesInertia() const =0
Query whether inertia is computed by linear solver.
virtual ESymSolverStatus InitializeStructure(Index dim, Index nonzeros, const Index *ia, const Index *ja)=0
Method for initializing internal stuctures.
virtual bool ProvidesDegeneracyDetection() const
Query whether the indices of linearly dependent rows/columns can be determined by this linear solver.
virtual double * GetValuesArrayPtr()=0
Method returing an internal array into which the nonzero elements (in the same order as ja) will be s...
virtual bool InitializeImpl(const OptionsList &options, const std::string &prefix)=0
overloaded from AlgorithmStrategyObject
virtual ESymSolverStatus MultiSolve(bool new_matrix, const Index *ia, const Index *ja, Index nrhs, double *rhs_vals, bool check_NegEVals, Index numberOfNegEVals)=0
Solve operation for multiple right hand sides.
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.
EMatrixFormat
Enum to specify sparse matrix format.
@ CSR_Full_Format_1_Offset
Compressed sparse row format for both lwr and upr parts, with 1 offset.
@ CSR_Format_1_Offset
Compressed sparse row format for lower triangular part, with 1 offset.
@ CSR_Format_0_Offset
Compressed sparse row format for lower triangular part, with 0 offset.
@ Triplet_Format
Triplet (MA27) format.
@ CSR_Full_Format_0_Offset
Compressed sparse row format for both lwr and upr parts, with 0 offset.
virtual EMatrixFormat MatrixFormat() const =0
Query of requested matrix type that the linear solver understands.
virtual bool IncreaseQuality()=0
Request to increase quality of solution for next solve.
ESymSolverStatus
Enum to report outcome of a linear solve.
@ SYMSOLVER_FATAL_ERROR
Unrecoverable error in linear solver occurred.
int Index
Type of all indices of vectors, matrices etc.