#ifndef ISL_FLOW_H

#define ISL_FLOW_H

#include <isl/set_type.h>

#include <isl/map_type.h>

#include <isl/union_set_type.h>

#include <isl/union_map_type.h>

#include <isl/schedule.h>

#include <isl/printer.h>

#if defined(__cplusplus)

extern "C" {

#endif

/* Let n (>= 0) be the number of iterators shared by first and second.

 * If first precedes second textually return 2 * n + 1,

 * otherwise return 2 * n.

 */

typedef int (*isl_access_level_before)(void *first, void *second);

struct isl_restriction;

typedef struct isl_restriction isl_restriction;

__isl_null isl_restriction *isl_restriction_free(

	__isl_take isl_restriction *restr);

__isl_give isl_restriction *isl_restriction_empty(

	__isl_take isl_map *source_map);

__isl_give isl_restriction *isl_restriction_none(

	__isl_take isl_map *source_map);

__isl_give isl_restriction *isl_restriction_input(

	__isl_take isl_set *source_restr, __isl_take isl_set *sink_restr);

__isl_give isl_restriction *isl_restriction_output(

	__isl_take isl_set *source_restr);

isl_ctx *isl_restriction_get_ctx(__isl_keep isl_restriction *restr);

typedef __isl_give isl_restriction *(*isl_access_restrict)(

	__isl_keep isl_map *source_map, __isl_keep isl_set *sink,

	void *source_user, void *user);

struct isl_access_info;

typedef struct isl_access_info isl_access_info;

struct isl_flow;

typedef struct isl_flow isl_flow;

__isl_give isl_access_info *isl_access_info_alloc(__isl_take isl_map *sink,

	void *sink_user, isl_access_level_before fn, int max_source);

__isl_give isl_access_info *isl_access_info_set_restrict(

	__isl_take isl_access_info *acc, isl_access_restrict fn, void *user);

__isl_give isl_access_info *isl_access_info_add_source(

	__isl_take isl_access_info *acc, __isl_take isl_map *source,

	int must, void *source_user);

__isl_null isl_access_info *isl_access_info_free(

	__isl_take isl_access_info *acc);

isl_ctx *isl_access_info_get_ctx(__isl_keep isl_access_info *acc);

__isl_give isl_flow *isl_access_info_compute_flow(__isl_take isl_access_info *acc);

isl_stat isl_flow_foreach(__isl_keep isl_flow *deps,

	isl_stat (*fn)(__isl_take isl_map *dep, int must, void *dep_user,

		void *user),

	void *user);

__isl_give isl_map *isl_flow_get_no_source(__isl_keep isl_flow *deps, int must);

void isl_flow_free(__isl_take isl_flow *deps);

isl_ctx *isl_flow_get_ctx(__isl_keep isl_flow *deps);

struct __isl_export isl_union_access_info;

typedef struct isl_union_access_info isl_union_access_info;

struct __isl_export isl_union_flow;

typedef struct isl_union_flow isl_union_flow;

__isl_constructor

__isl_give isl_union_access_info *isl_union_access_info_from_sink(

	__isl_take isl_union_map *sink);

__isl_export

__isl_give isl_union_access_info *isl_union_access_info_set_must_source(

	__isl_take isl_union_access_info *access,

	__isl_take isl_union_map *must_source);

__isl_export

__isl_give isl_union_access_info *isl_union_access_info_set_may_source(

	__isl_take isl_union_access_info *access,

	__isl_take isl_union_map *may_source);

__isl_export

__isl_give isl_union_access_info *isl_union_access_info_set_schedule(

	__isl_take isl_union_access_info *access,

	__isl_take isl_schedule *schedule);

__isl_export

__isl_give isl_union_access_info *isl_union_access_info_set_schedule_map(

	__isl_take isl_union_access_info *access,

	__isl_take isl_union_map *schedule_map);

__isl_give isl_union_access_info *isl_union_access_info_copy(

	__isl_keep isl_union_access_info *access);

__isl_null isl_union_access_info *isl_union_access_info_free(

	__isl_take isl_union_access_info *access);

isl_ctx *isl_union_access_info_get_ctx(

	__isl_keep isl_union_access_info *access);

__isl_give isl_printer *isl_printer_print_union_access_info(

	__isl_take isl_printer *p, __isl_keep isl_union_access_info *access);

__isl_give char *isl_union_access_info_to_str(

	__isl_keep isl_union_access_info *access);

__isl_export

__isl_give isl_union_flow *isl_union_access_info_compute_flow(

	__isl_take isl_union_access_info *access);

isl_ctx *isl_union_flow_get_ctx(__isl_keep isl_union_flow *flow);

__isl_export

__isl_give isl_union_map *isl_union_flow_get_must_dependence(

	__isl_keep isl_union_flow *flow);

__isl_export

__isl_give isl_union_map *isl_union_flow_get_may_dependence(

	__isl_keep isl_union_flow *flow);

__isl_export

__isl_give isl_union_map *isl_union_flow_get_full_must_dependence(

	__isl_keep isl_union_flow *flow);

__isl_export

__isl_give isl_union_map *isl_union_flow_get_full_may_dependence(

	__isl_keep isl_union_flow *flow);

__isl_export

__isl_give isl_union_map *isl_union_flow_get_must_no_source(

	__isl_keep isl_union_flow *flow);

__isl_export

__isl_give isl_union_map *isl_union_flow_get_may_no_source(

	__isl_keep isl_union_flow *flow);

__isl_null isl_union_flow *isl_union_flow_free(__isl_take isl_union_flow *flow);

__isl_give isl_printer *isl_printer_print_union_flow(

	__isl_take isl_printer *p, __isl_keep isl_union_flow *flow);

__isl_give char *isl_union_flow_to_str(__isl_keep isl_union_flow *flow);

int isl_union_map_compute_flow(__isl_take isl_union_map *sink,

	__isl_take isl_union_map *must_source,

	__isl_take isl_union_map *may_source,

	__isl_take isl_union_map *schedule,

	__isl_give isl_union_map **must_dep, __isl_give isl_union_map **may_dep,

	__isl_give isl_union_map **must_no_source,

	__isl_give isl_union_map **may_no_source);

#if defined(__cplusplus)

}

#endif

#endif