/*
 * variables.h
 *
 *  Created on: 21/08/2014
 *      Author: pedro
 */

#ifndef SRC_VARIABLES_H_
#define SRC_VARIABLES_H_

#include "constraints.h"

extern var* VS;		// Vector with all the CSP variables
extern var* VS_LOCK;		// Vector with temporary CSP variables when optimizing
extern var* VS_LOCK_BEST;	// Vector with the current best solution when optimizing
extern var* VS_AUX;		// Vector with all the CSP variables for increasing size and sorting
extern var* VS_AUX2;		// Vector with all the CSP variables for sorting

unsigned int v_new_val(unsigned int val);
unsigned int v_new_vals(unsigned int* vals, unsigned int n_vals, bool to_label);
unsigned int v_new_range(unsigned int min, unsigned int max, bool to_label);
bool v_contains_val(var* v, unsigned int val);
void vs_copy(var* v_dest, var* v_src, unsigned int n_vs);
void vs_clear();
bool v_intersect_v(var *v1, var *v2);
bool v_union_v(var *v1, var *v2);
bool v_del_val(var* v, int val);
bool v_del_singl_val(var *v_to_chg, var *singl_v);
bool v_del_lt(var *v, int val);
bool v_del_le(var *v, int val);
bool v_del_gt(var *v, int val);
bool v_del_ge(var *v, int val);
bool v_del_all_except_val(var *v, int val);

void vs_copy_host_to_dev(void** dev_bs, var* host_vs, unsigned int n_bs);
void vs_copy_dev_to_host(var* host_vs, void** dev_bs, unsigned int n_bs);

int vs_cnt_vs_to_label(var* vs, unsigned int n_vs);
void v_add_constr(var* v, constr* cs);
void v_rem_constr(var* v, constr* cs);;
unsigned int vs_cnt_cs(var* vs, unsigned int n_vs);
void vs_sort_label_first();
void vs_sort_label_more_vals_first();
void vs_sort_label_less_vals_first();
void vs_sort_constr(var* vs, unsigned int n_vs);

int v_get_value(unsigned int v_id);
int v_get_min(unsigned int v_id);
int v_get_max(unsigned int v_id);
void v_print_single_val(unsigned int v_id, unsigned int offset);
void vs_print_single_val(unsigned int* vs_id, unsigned int n_vs_id, unsigned int offset);
void vs_print_vals(unsigned int* vs_id, unsigned int n_vs_id, unsigned int offset);
void vs_print_min(unsigned int* vs_id, unsigned int n_vs_id, unsigned int offset);
void vs_print_max(unsigned int* vs_id, unsigned int n_vs_id, unsigned int offset);
void v_print_cost(unsigned int offset);
void vs_print_domain(unsigned int* vs_id, unsigned int n_vs_id);

#endif /* SRC_VARIABLES_H_ */