1 #pragma once 2 3 #include <petscvec.h> 4 5 typedef struct { 6 /* --------------- Parameters used by line search method ----------------- */ 7 PetscReal maxstep; /* maximum step size */ 8 PetscInt bracket; 9 PetscInt infoc; 10 11 Vec x; 12 Vec W1; 13 Vec W2; 14 Vec Gold; 15 16 } TaoLineSearch_GPCG; 17