1 #ifndef __TAO_BMRM_H 2 #define __TAO_BMRM_H 3 4 #include <petsc/private/taoimpl.h> 5 #include <petscmath.h> 6 7 #define BMRM_INFTY 1e30 /* single precision: ~\pm 10^{38.53}; PetscReal precision: ~\pm 10^{308.25} */ 8 #define ALPHA_MIN 1e-10 9 #define ALPHA_MAX 1e10 10 #define EPS_SV 1e-15 11 #define EPS 1e-20 12 #define TOL_LAM 1e-15 13 #define TOL_R 1e-10 14 #define INCRE_DIM 1000 15 16 /* Context for BMRM solver */ 17 typedef struct { 18 VecScatter scatter; /* Scatter context */ 19 Vec local_w; 20 PetscReal lambda; 21 } TAO_BMRM; 22 23 typedef struct Vec_Chain { 24 Vec V; 25 struct Vec_Chain *next; 26 } Vec_Chain; 27 28 /* Context for Dai-Fletcher solver */ 29 typedef struct { 30 PetscInt maxProjIter; 31 PetscInt maxPGMIter; 32 PetscInt *ipt, *ipt2, *uv; 33 PetscReal *g, *y, *tempv, *d, *Qd, *t, *xplus, *tplus, *sk, *yk; 34 35 PetscInt dim; 36 37 PetscInt cur_num_cp; 38 39 /* Variables (i.e. Lagrangian multipliers) */ 40 PetscReal *x; 41 42 /* Linear part of the objective function */ 43 PetscReal *f; 44 45 /* Hessian of the QP */ 46 PetscReal **Q; 47 48 /* Constraint matrix */ 49 PetscReal *a; 50 51 /* RHS of the equality constraint */ 52 PetscReal b; 53 54 /* Lower bound vector for the variables */ 55 PetscReal *l; 56 57 /* Upper bound vector for the variables */ 58 PetscReal *u; 59 60 /* Tolerance for optimization error */ 61 PetscReal tol; 62 } TAO_DF; 63 64 #endif 65