1: #ifndef __TAO_TRON_H 4: #include <petsc/private/taoimpl.h> 5: #include <petscis.h> 7: typedef struct { 9: /* Parameters */ 10: PetscReal pg_ftol; 11: PetscReal actred; 12: PetscReal f_new; 14: PetscReal eta1,eta2,eta3,eta4; 15: PetscReal sigma1,sigma2,sigma3; 17: PetscInt maxgpits; 19: /* Problem variables, vectors and index sets */ 20: PetscReal stepsize; 21: PetscReal pgstepsize; 23: /* Problem statistics */ 25: PetscInt n; /* Dimension of the Problem */ 26: PetscReal delta; /* Trust region size */ 27: PetscReal gnorm; 28: PetscReal f; 30: PetscInt total_gp_its; 31: PetscInt gp_iterates; 33: Vec X_New; 34: Vec G_New; 35: Vec Work; 37: /* Subvectors and submatrices */ 38: Vec DXFree; 39: Vec R; 40: Vec rmask; 41: Vec diag; 42: Mat H_sub; 43: Mat Hpre_sub; 45: IS Free_Local; /* Indices of local variables equal to lower bound */ 46: VecScatter scatter; 48: PetscInt n_free; /* Number of free variables */ 49: PetscInt n_free_last; 51: } TAO_TRON; 53: #endif