1: #pragma once 3: #include <petsc/private/pcgamgimpl.h> 4: #include <../src/mat/impls/aij/seq/aij.h> 5: #include <../src/mat/impls/aij/mpi/mpiaij.h> 7: PETSC_INTERN PetscErrorCode PCGAMGSquareGraph_GAMG(PC, Mat, Mat *);