global.mpi_grmhd_grray_liaison.h

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#define USEMPINONLIAISON (USEMPIGRMHD&&DOINGGRMHDTYPECODE || USEMPIGRRAY&&DOINGGRRAYTYPECODE) // no choice
#define USEMPILIAISON (DOINGLIAISON) // can turn off USEMPILIAISON if DOINGLIAISON==1 but want no MPI code for liaison.  However, if DOINGLIAISON==0 then USEMPILIAISON must be 0

#define USEMPIANY (USEMPINONLIAISON || USEMPILIAISON) // no choice



#define BINARYNOTYPE 0
#define BINARYGRMHDTYPE 1
#define BINARYGRRAYTYPE 2
#define BINARYLIAISONTYPE 3

#if(USEMPIANY==0)
#define MPI_Group int
#define MPI_Comm int
#endif

extern void liaison_init_mpi_liaisonmode_globalset(void);
extern void grmhd_init_mpi_liaisonmode_globalset(void);
extern void grray_init_mpi_liaisonmode_globalset(void);