1 #ifndef __TAOLINESEARCH_H 2 #define __TAOLINESEARCH_H 3 #include <petscvec.h> 4 5 typedef struct _p_TaoLineSearch* TaoLineSearch; 6 typedef enum { 7 TAOLINESEARCH_FAILED_INFORNAN = -1, 8 TAOLINESEARCH_FAILED_BADPARAMETER = -2, 9 TAOLINESEARCH_FAILED_ASCENT = -3, 10 TAOLINESEARCH_CONTINUE_ITERATING = 0, 11 TAOLINESEARCH_SUCCESS = 1, 12 TAOLINESEARCH_SUCCESS_USER = 2, 13 TAOLINESEARCH_HALTED_OTHER = 3, 14 TAOLINESEARCH_HALTED_MAXFCN = 4, 15 TAOLINESEARCH_HALTED_UPPERBOUND = 5, 16 TAOLINESEARCH_HALTED_LOWERBOUND = 6, 17 TAOLINESEARCH_HALTED_RTOL = 7, 18 TAOLINESEARCH_HALTED_USER = 8 19 } TaoLineSearchConvergedReason; 20 21 #define TaoLineSearchType char* 22 #define TAOLINESEARCH_UNIT "unit" 23 #define TAOLINESEARCH_MT "more-thuente" 24 #define TAOLINESEARCH_GPCG "gpcg" 25 #define TAOLINESEARCH_ARMIJO "armijo" 26 #define TAOLINESEARCH_OWARMIJO "owarmijo" 27 #define TAOLINESEARCH_IPM "ipm" 28 29 PETSC_EXTERN PetscClassId TAOLINESEARCH_CLASSID; 30 PETSC_EXTERN PetscFunctionList TaoLineSearchList; 31 32 #include <petsctao.h> 33 34 PETSC_EXTERN PetscErrorCode TaoLineSearchCreate(MPI_Comm,TaoLineSearch*); 35 PETSC_EXTERN PetscErrorCode TaoLineSearchSetFromOptions(TaoLineSearch); 36 PETSC_EXTERN PetscErrorCode TaoLineSearchSetUp(TaoLineSearch); 37 PETSC_EXTERN PetscErrorCode TaoLineSearchDestroy(TaoLineSearch*); 38 PETSC_EXTERN PetscErrorCode TaoLineSearchView(TaoLineSearch,PetscViewer); 39 PETSC_EXTERN PetscErrorCode TaoLineSearchSetOptionsPrefix(TaoLineSearch,const char prefix[]); 40 PETSC_EXTERN PetscErrorCode TaoLineSearchReset(TaoLineSearch); 41 PETSC_EXTERN PetscErrorCode TaoLineSearchAppendOptionsPrefix(TaoLineSearch,const char prefix[]); 42 PETSC_EXTERN PetscErrorCode TaoLineSearchGetOptionsPrefix(TaoLineSearch,const char *prefix[]); 43 PETSC_EXTERN PetscErrorCode TaoLineSearchApply(TaoLineSearch,Vec,PetscReal *,Vec,Vec, PetscReal *, TaoLineSearchConvergedReason *); 44 PETSC_EXTERN PetscErrorCode TaoLineSearchGetStepLength(TaoLineSearch, PetscReal*); 45 PETSC_EXTERN PetscErrorCode TaoLineSearchGetStartingVector(TaoLineSearch,Vec*); 46 PETSC_EXTERN PetscErrorCode TaoLineSearchGetStepDirection(TaoLineSearch,Vec*); 47 PETSC_EXTERN PetscErrorCode TaoLineSearchSetInitialStepLength(TaoLineSearch, PetscReal); 48 PETSC_EXTERN PetscErrorCode TaoLineSearchGetSolution(TaoLineSearch, Vec, PetscReal*, Vec, PetscReal*, TaoLineSearchConvergedReason*); 49 PETSC_EXTERN PetscErrorCode TaoLineSearchGetFullStepObjective(TaoLineSearch, PetscReal*); 50 PETSC_EXTERN PetscErrorCode TaoLineSearchGetNumberFunctionEvaluations(TaoLineSearch, PetscInt*, PetscInt*, PetscInt*); 51 52 PETSC_EXTERN PetscErrorCode TaoLineSearchGetType(TaoLineSearch, const TaoLineSearchType *); 53 PETSC_EXTERN PetscErrorCode TaoLineSearchSetType(TaoLineSearch, const TaoLineSearchType); 54 55 PETSC_EXTERN PetscErrorCode TaoLineSearchUseTaoRoutines(TaoLineSearch, Tao); 56 PETSC_EXTERN PetscErrorCode TaoLineSearchIsUsingTaoRoutines(TaoLineSearch, PetscBool *); 57 PETSC_EXTERN PetscErrorCode TaoLineSearchSetObjectiveAndGTSRoutine(TaoLineSearch, PetscErrorCode(*)(TaoLineSearch, Vec, Vec, PetscReal*, PetscReal*, void*), void*); 58 PETSC_EXTERN PetscErrorCode TaoLineSearchSetObjectiveRoutine(TaoLineSearch, PetscErrorCode(*)(TaoLineSearch, Vec, PetscReal*,void*), void*); 59 PETSC_EXTERN PetscErrorCode TaoLineSearchSetGradientRoutine(TaoLineSearch, PetscErrorCode(*)(TaoLineSearch, Vec, Vec, void*), void*); 60 PETSC_EXTERN PetscErrorCode TaoLineSearchSetObjectiveAndGradientRoutine(TaoLineSearch, PetscErrorCode(*)(TaoLineSearch, Vec, PetscReal*, Vec, void*), void*); 61 62 PETSC_EXTERN PetscErrorCode TaoLineSearchComputeObjective(TaoLineSearch, Vec, PetscReal*); 63 PETSC_EXTERN PetscErrorCode TaoLineSearchComputeGradient(TaoLineSearch, Vec, Vec); 64 PETSC_EXTERN PetscErrorCode TaoLineSearchComputeObjectiveAndGradient(TaoLineSearch, Vec, PetscReal*, Vec); 65 PETSC_EXTERN PetscErrorCode TaoLineSearchComputeObjectiveAndGTS(TaoLineSearch, Vec, PetscReal*, PetscReal*); 66 PETSC_EXTERN PetscErrorCode TaoLineSearchSetVariableBounds(TaoLineSearch, Vec, Vec); 67 68 PETSC_EXTERN PetscErrorCode TaoLineSearchInitializePackage(void); 69 PETSC_EXTERN PetscErrorCode TaoLineSearchFinalizePackage(void); 70 71 PETSC_EXTERN PetscErrorCode TaoLineSearchRegister(const char[], PetscErrorCode (*)(TaoLineSearch)); 72 73 #endif 74