KSPConvergedReason

reason a Krylov method was said to have converged or diverged

Synopsis

typedef enum {/* converged */
              KSP_CONVERGED_RTOL               =  2,
              KSP_CONVERGED_ATOL               =  3,
              KSP_CONVERGED_ITS                =  4,
              KSP_CONVERGED_QCG_NEG_CURVE      =  5,
              KSP_CONVERGED_QCG_CONSTRAINED    =  6,
              KSP_CONVERGED_STEP_LENGTH        =  7,
              /* diverged */
              KSP_DIVERGED_ITS                 = -3,
              KSP_DIVERGED_DTOL                = -4,
              KSP_DIVERGED_BREAKDOWN           = -5,
              KSP_DIVERGED_BREAKDOWN_BICG      = -6,
              KSP_DIVERGED_NONSYMMETRIC        = -7,
              KSP_DIVERGED_INDEFINITE_PC       = -8,
 
              KSP_CONVERGED_ITERATING          =  0} KSPConvergedReason;

Notes: this must match finclude/petscksp.h

KSPConvergedReason

Synopsis

See Also