29   Vec       Dir;                  /* direction vector */  member
245   PetscCall(VecGetArray(user_ptr->Dir, &x_ptr));  in FormHessian()
248   PetscCall(VecRestoreArray(user_ptr->Dir, &x_ptr));  in FormHessian()
254   PetscCall(VecGetArray(user_ptr->Dir, &x_ptr));  in FormHessian()
257   PetscCall(VecRestoreArray(user_ptr->Dir, &x_ptr));  in FormHessian()
298   PetscCall(TSSetCostHessianProducts(ts, 1, ctx->Lambda2, NULL, ctx->Dir));  in Adjoint2()
387   PetscCall(VecCopy(svec, user_ptr->Dir));  in HessianProductMat()
434   PetscCall(MatCreateVecs(user.A, &user.Dir, NULL));  in main()
490     PetscCall(VecGetArray(user.Dir, &x_ptr));  in main()
493     PetscCall(VecRestoreArray(user.Dir, &x_ptr));  in main()
498     PetscCall(VecGetArray(user.Dir, &x_ptr));  in main()
501     PetscCall(VecRestoreArray(user.Dir, &x_ptr));  in main()
548   PetscCall(VecDestroy(&user.Dir));  in main()