1: #ifndef __TAO_TRON_H
4: #include <petsc/private/taoimpl.h>
5: #include <petscis.h>
7: typedef struct {
8: /* Parameters */
9: PetscReal pg_ftol;
10: PetscReal actred;
11: PetscReal f_new;
13: PetscReal eta1, eta2, eta3, eta4;
14: PetscReal sigma1, sigma2, sigma3;
16: PetscInt maxgpits;
18: /* Problem variables, vectors and index sets */
19: PetscReal stepsize;
20: PetscReal pgstepsize;
22: /* Problem statistics */
24: PetscInt n; /* Dimension of the Problem */
25: PetscReal delta; /* Trust region size */
26: PetscReal gnorm;
27: PetscReal f;
29: PetscInt total_gp_its;
30: PetscInt gp_iterates;
32: Vec X_New;
33: Vec G_New;
34: Vec Work;
36: /* Subvectors and submatrices */
37: Vec DXFree;
38: Vec R;
39: Vec rmask;
40: Vec diag;
41: Mat H_sub;
42: Mat Hpre_sub;
44: IS Free_Local; /* Indices of local variables equal to lower bound */
45: VecScatter scatter;
47: PetscInt n_free; /* Number of free variables */
48: PetscInt n_free_last;
50: } TAO_TRON;
52: #endif