Actual source code: gpcg.h
petsc-3.7.1 2016-05-15
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      1: #ifndef __TAO_GPCG_H
      3: #include <petsc/private/taoimpl.h>
      4: #include <petsctaolinesearch.h>

      6: typedef struct{

      8:   /* Parameters */
      9:   PetscReal pg_ftol;
     10:   PetscReal actred;
     11:   PetscReal f_new;
     12:   PetscReal minstep;
     13:   PetscReal stepsize;
     14:   PetscReal gnorm;

     16:   PetscReal sigma1,sigma2,sigma3;

     18:   PetscInt maxgpits;

     20:   /* Problem variables, vectors and index sets */

     22:   /* Problem statistics */

     24:   PetscInt n;   /* Dimension of the Problem */

     26:   PetscInt total_cgits;
     27:   PetscInt cg_iterates;
     28:   PetscInt total_gp_its;
     29:   PetscInt gp_iterates;
     30:   PetscInt cgits;

     32:   Vec G_New;
     33:   Vec DXFree;
     34:   Vec R;
     35:   Vec DX;
     36:   Vec X;
     37:   Vec X_New;
     38:   Vec G, PG;
     39:   Vec Work;

     41:   Mat H;
     42:   Vec B;
     43:   PetscReal c;

     45:   PetscReal f;
     46:   PetscReal step;
     47:   Mat Hsub;
     48:   Mat Hsub_pre;

     50:   IS Free_Local;  /* Indices of local variables equal to lower bound */
     51:   IS TT;  /* Indices of local variables equal to upper bound */

     53:   PetscInt n_free;       /* Number of free variables */
     54:   PetscInt n_upper;
     55:   PetscInt n_lower;
     56:   PetscInt n_bind;       /* Number of binding varibles */
     57:   PetscInt ksp_type;
     58:   PetscInt subset_type;
     59: }TAO_GPCG;

     63: #endif