gs.h

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#ifndef GS_H
#define GS_H

#if !defined(COMM_H) || !defined(GS_DEFS_H) || !defined(MEM_H)
#warning "gs.h" requires "comm.h", "gs_defs.h", and "mem.h"
#endif

#define gs         PREFIXED_NAME(gs       )
#define gs_vec     PREFIXED_NAME(gs_vec   )
#define gs_many    PREFIXED_NAME(gs_many  )
#define gs_setup   PREFIXED_NAME(gs_setup )
#define gs_free    PREFIXED_NAME(gs_free  )
#define gs_unique  PREFIXED_NAME(gs_unique)

struct gs_data;
typedef enum {gs_auto, gs_pairwise, gs_crystal_router, gs_all_reduce} gs_method;

void gs(void *u, gs_dom dom, gs_op op, unsigned transpose,
        struct gs_data *gsh, buffer *buf);
void gs_vec(void *u, unsigned vn, gs_dom dom, gs_op op,
            unsigned transpose, struct gs_data *gsh, buffer *buf);
void gs_many(void *const*u, unsigned vn, gs_dom dom, gs_op op,
             unsigned transpose, struct gs_data *gsh, buffer *buf);
struct gs_data *gs_setup(const slong *id, uint n, const struct comm *comm,
                         int unique, gs_method method, int verbose);
void gs_free(struct gs_data *gsh);
void gs_unique(slong *id, uint n, const struct comm *comm);

#endif