/*
 * sum.h
 *
 *  Created on: 14/03/2017

 *      Author: Pedro

 */

#ifndef SRC_CONSTRAINTS_SUM_H_
#define SRC_CONSTRAINTS_SUM_H_

#include <stdbool.h>
#include <sys/types.h>

#include "../config.h"
#include "../constraints.h"
#include "../kernels/cl_aux_functions.h"
#include "../kernels/cl_constraints.h"
#include "../kernels/cl_ttl.h"

unsigned int c_sum(unsigned int *X_ids, unsigned int n_vs, unsigned int k);
unsigned int c_sum_reif(unsigned int *X_ids, unsigned int n_vs, unsigned int k, int reif_v_id);
bool sum_check(constr *c, bool explored);

#if CS_SUM == 1

void sum_prop(CL_INTS_MEM int *vs_per_c_idx, CL_MEMORY VARS_PROP *vs_prop_, CL_CS_MEM cl_constr *current_cs, CL_MEMORY unsigned short *vs_id_to_prop_,
		bool *prop_ok, __global int *terms_mem CS_IGNORE_FUNC TTL_CTR);

#if CS_R_SUM == 1

void sum_reif( CL_INTS_MEM int *vs_per_c_idx, CL_MEMORY VARS_PROP *vs_prop_, CL_CS_MEM cl_constr *current_cs, CL_MEMORY unsigned short *vs_id_to_prop_

		CS_IGNORE_FUNC TTL_CTR);

void sum_prop_opposite(CL_INTS_MEM int *vs_per_c_idx, CL_MEMORY VARS_PROP *vs_prop_, CL_CS_MEM cl_constr *current_cs, CL_MEMORY unsigned short *vs_id_to_prop_,
		bool *prop_ok CS_IGNORE_FUNC TTL_CTR);

#endif

void sum_propagate(CL_INTS_MEM int *vs_per_c_idx, CL_MEMORY VARS_PROP *vs_prop_, CL_CS_MEM cl_constr *current_cs, CL_MEMORY unsigned short *vs_id_to_prop_,
		bool *prop_ok, __global int *terms_mem PROPAGATED_FUNC CS_IGNORE_FUNC TTL_CTR);

#endif

#endif /* SRC_CONSTRAINTS_SUM_H_ */