TaoLineSearchConvergedReason#
reason a TaoLineSearch completed
Synopsis#
typedef enum {
  TAOLINESEARCH_FAILED_INFORNAN     = -1,
  TAOLINESEARCH_FAILED_BADPARAMETER = -2,
  TAOLINESEARCH_FAILED_ASCENT       = -3,
  TAOLINESEARCH_CONTINUE_ITERATING  = 0,
  TAOLINESEARCH_SUCCESS             = 1,
  TAOLINESEARCH_SUCCESS_USER        = 2,
  TAOLINESEARCH_HALTED_OTHER        = 3,
  TAOLINESEARCH_HALTED_MAXFCN       = 4,
  TAOLINESEARCH_HALTED_UPPERBOUND   = 5,
  TAOLINESEARCH_HALTED_LOWERBOUND   = 6,
  TAOLINESEARCH_HALTED_RTOL         = 7,
  TAOLINESEARCH_HALTED_USER         = 8
} TaoLineSearchConvergedReason;
Values#
- TAOLINESEARCH_FAILED_ASCENT- initial line search step * g is not descent direction
- TAOLINESEARCH_FAILED_INFORNAN- function evaluation gives- Infor- Nanvalue
- TAOLINESEARCH_FAILED_BADPARAMETER- negative value set as parameter
- TAOLINESEARCH_HALTED_MAXFCN- maximum number of function evaluation reached
- TAOLINESEARCH_HALTED_UPPERBOUND- step is at upper bound
- TAOLINESEARCH_HALTED_LOWERBOUND- step is at lower bound
- TAOLINESEARCH_HALTED_RTOL- range of uncertainty is smaller than given tolerance
- TAOLINESEARCH_HALTED_USER- user can set this reason to stop line search
- TAOLINESEARCH_HALTED_OTHER- any other reason
- TAOLINESEARCH_SUCCESS- successful line search
See Also#
TAO: Optimization Solvers, Tao, TaoLineSearch, TaoSolve(), TaoGetConvergedReason(), KSPConvergedReason, SNESConvergedReason
Level#
beginner
Location#
Index of all Tao routines
Table of Contents for all manual pages
Index of all manual pages