1 #if !defined(TAOALMM_H) 2 #define TAOALMM_H 3 #include <petsc/private/taoimpl.h> 4 5 typedef struct { 6 Tao subsolver, parent; /* subsolver for aug-lag subproblem */ 7 PetscErrorCode (*sub_obj)(Tao); /* subsolver objective function */ 8 TaoALMMType type; /* subsolver objective type */ 9 10 IS *Pis, *Yis; /* index sets to separate primal and dual vector spaces */ 11 VecScatter *Pscatter, *Yscatter; /* scatter objects to write into combined vector spaces */ 12 13 Mat Ae, Ai; /* aliased constraint Jacobians (do not destroy!) */ 14 Vec Px, LgradX, Ce, Ci, G; /* aliased vectors (do not destroy!) */ 15 Vec Ps, LgradS, Yi, Ye; /* sub-vectors for primal variables */ 16 Vec *Parr, P, PL, PU, *Yarr, Y, C; /* arrays and vectors for combined vector spaces */ 17 Vec Xwork, Cework, Ciwork, Cizero; /* work vectors */ 18 19 PetscReal Lval, fval, gnorm, cnorm, cenorm, cinorm, cnorm_old; /* scalar variables */ 20 PetscReal mu0, mu, mu_fac, mu_pow_good, mu_pow_bad; /* penalty parameters */ 21 PetscReal ytol0, ytol, gtol0, gtol; /* convergence parameters */ 22 PetscReal mu_max, ye_min, yi_min, ye_max, yi_max; /* parameter safeguards */ 23 24 PetscBool info; 25 } TAO_ALMM; 26 27 PETSC_INTERN PetscErrorCode TaoALMMGetType_Private(Tao, TaoALMMType*); 28 PETSC_INTERN PetscErrorCode TaoALMMSetType_Private(Tao, TaoALMMType); 29 PETSC_INTERN PetscErrorCode TaoALMMGetSubsolver_Private(Tao, Tao*); 30 PETSC_INTERN PetscErrorCode TaoALMMSetSubsolver_Private(Tao, Tao); 31 PETSC_INTERN PetscErrorCode TaoALMMGetMultipliers_Private(Tao, Vec*); 32 PETSC_INTERN PetscErrorCode TaoALMMSetMultipliers_Private(Tao, Vec); 33 PETSC_INTERN PetscErrorCode TaoALMMGetPrimalIS_Private(Tao, IS*, IS*); 34 PETSC_INTERN PetscErrorCode TaoALMMGetDualIS_Private(Tao, IS*, IS*); 35 PETSC_INTERN PetscErrorCode TaoALMMSubsolverObjectiveAndGradient_Private(Tao, Vec, PetscReal*, Vec, void*); 36 37 #endif 38