1: #if !defined(TAOALMM_H)
  2: #define TAOALMM_H
  3: #include <petsc/private/taoimpl.h>

  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 */

 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 */

 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 */

 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 */

 24:   PetscBool        info;
 25: } TAO_ALMM;

 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*);

 37: #endif