/*
 * Copyright 2023 CAS—Atlantic (University of New Brunswick, CASA)
 * 
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following
 * conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */

#ifndef SUBS_H
#define SUBS_H

#include "read_xml_arch_file.h"
#include "adders.h"

extern vtr::t_linked_vptr* sub_list;
extern vtr::t_linked_vptr* sub_chain_list;

extern void report_sub_distribution();
extern void declare_hard_adder_for_sub(nnode_t* node);
extern void instantiate_hard_adder_subtraction(nnode_t* node, short mark, netlist_t* netlist);
extern void split_adder_for_sub(nnode_t* node, int a, int b, int sizea, int sizeb, int cin, int cout, int count, netlist_t* netlist);
extern void iterate_adders_for_sub(netlist_t* netlist);
extern void instantiate_sub_w_borrow_block(nnode_t* node, short traverse_mark_number, netlist_t* netlist);
extern void clean_adders_for_sub();

#endif // SUBS_H
