HLIBpro
2.6
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Implements squared conjugate gradient iteration.
#include <TTFQMR.hh>
Inherits TSolver.
Public Member Functions | |
TTFQMR (const TStopCriterion &stop_crit=TStopCriterion()) | |
construct TFQMR solver object with corresponding stop criteria | |
virtual void | solve (const TLinearOperator *A, TVector *x, const TVector *b, const TLinearOperator *W=nullptr, TSolverInfo *info=nullptr) const |
solve A·x = b with optional preconditioner W | |