#ifndef __GLOBAL_H__
#define __GLOBAL_H__
#include <petscksp.h>
/**@file
 * This file contains all global variables and is used for the function
 * spaces.
 */

 /* define the function space pointers as global variables so they can be accessed */
 /* from anywhere. In order to be able to use them, they need to be initialized */
 /* as well. This is done with the function fe_initialize*/
 extern PetscScalar (*P1[6])(PetscScalar, PetscScalar);
 extern PetscScalar (*P2[6])(PetscScalar, PetscScalar);
 extern PetscScalar (*D1_P1[6])(PetscScalar, PetscScalar);
 extern PetscScalar (*D2_P1[6])(PetscScalar, PetscScalar);
 extern PetscScalar (*D1_P2[6])(PetscScalar, PetscScalar);
 extern PetscScalar (*D2_P2[6])(PetscScalar, PetscScalar);
 extern PetscScalar (*LAP_P2[6])(PetscScalar, PetscScalar);

 #endif