13 PetscErrorCode f(PetscReal t, Vec U, Vec V, Vec F)  in f()  argument
16   PetscCall(VecWAXPY(F, 1.0, U, V));  in f()
23 PetscErrorCode F(PetscReal t, Vec U, Vec V, Vec F)  in F()  argument
26   PetscCall(VecWAXPY(F, -1.0, V, U));  in F()
33   Vec       U, V;  member
64   PetscCall(VecCreateMPI(PETSC_COMM_WORLD, PETSC_DECIDE, 1, &ctx.V));  in main()
69   PetscCall(VecDestroy(&ctx.V));  in main()
90   PetscCall(SNESSolve(ctx->snes, NULL, ctx->V));  in TSFunction()
91   PetscCall((*ctx->f)(t, U, ctx->V, F));  in TSFunction()
98 PetscErrorCode SNESFunction(SNES snes, Vec V, Vec F, void *actx)  in SNESFunction()  argument
103   PetscCall((*ctx->F)(ctx->t, ctx->U, V, F));  in SNESFunction()