Actual source code: vissimpl.h
1: /*
2: Private context for semismooth newton method with line search for solving
3: system of mixed complementarity equations
4: */
6: #ifndef __SNES_VISS_H
9: #include <petsc/private/snesimpl.h>
11: #define PetscScalarNorm(a, b) (PetscSqrtScalar((a) * (a) + (b) * (b)))
13: typedef struct {
14: Vec phi; /* pointer to semismooth function */
15: PetscReal phinorm; /* 2-norm of the semismooth function */
16: PetscReal merit; /* Merit function */
17: Vec dpsi; /* Merit function gradient */
18: Vec Da; /* B sub-differential work vector (diag perturbation) */
19: Vec Db; /* B sub-differential work vector (row scaling) */
20: Vec z; /* B subdifferential work vector */
21: Vec t; /* B subdifferential work vector */
22: PetscScalar norm_d; /* two norm of the descent direction */
24: /* Copy of user supplied function evaluation routine */
25: PetscErrorCode (*computeuserfunction)(SNES, Vec, Vec, void *);
26: /* user supplied function for checking redundant equations for SNESSolveVI_RS2 */
27: PetscErrorCode (*checkredundancy)(SNES, IS, IS *, void *);
28: } SNES_VINEWTONSSLS;
30: #endif