/*
 * eq.h
 *
 *  Created on: 22/01/2017
 *      Author: pedro
 */

#ifndef SRC_CONSTRAINTS_EQ_VAR_H_
#define SRC_CONSTRAINTS_EQ_VAR_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_eq_var(unsigned int x_id, unsigned int y_id);
unsigned int c_eq_var_reif(unsigned int x_id, unsigned int y_id, int reif_v_id);
bool eq_var_check(constr* c, bool explored);

#if CS_EQ_VAR == 1
void eq_var_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
		CS_IGNORE_FUNC TTL_CTR);
#if CS_R_EQ_VAR == 1
void eq_var_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 eq_var_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 eq_var_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 PROPAGATED_FUNC CS_IGNORE_FUNC TTL_CTR);
#endif

#endif /* SRC_CONSTRAINTS_EQ_VAR_H_ */