ca-engine-utils.H

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/*
                          Aleph_w
 
  Data structures & Algorithms
  version 2.0.0b
  https://github.com/lrleon/Aleph-w
 
  This file is part of Aleph-w library
 
  Copyright (c) 2002-2026 Leandro Rabindranath Leon
 
  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
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  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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*/
 
#ifndef CA_ENGINE_UTILS_H
#define CA_ENGINE_UTILS_H
 
#include <cstdint>
#include <utility>
 
#include <ca-traits.H>
#include <tpl_ca_storage.H>
#include <tpl_ca_lattice.H>
#include <tpl_ca_neighborhood.H>
#include <tpl_ca_rule.H>
#include <tpl_ca_engine.H>
 
namespace Aleph {
namespace CA {
 
using Game_Of_Life_Engine
  = Synchronous_Engine<Lattice<Dense_Cell_Storage<int, 2>, ToroidalBoundary>, Game_Of_Life_Rule, Moore<2, 1>>;
 
[[nodiscard]] inline Game_Of_Life_Engine make_gol_engine(ca_size_t rows, ca_size_t cols)
{
  using L = Lattice<Dense_Cell_Storage<int, 2>, ToroidalBoundary>;
  return Game_Of_Life_Engine(L({rows, cols}, 0), make_game_of_life_rule(), Moore<2, 1>{});
}
 
[[nodiscard]] inline Game_Of_Life_Engine make_gol_engine(
  Lattice<Dense_Cell_Storage<int, 2>, ToroidalBoundary> initial)
{
  return Game_Of_Life_Engine(std::move(initial), make_game_of_life_rule(), Moore<2, 1>{});
}
 
using Wolfram_1D_Engine = Synchronous_Engine<Lattice<Dense_Cell_Storage<int, 1>, OpenBoundary>,
                                             Lookup_Rule<2, 2>,
                                             Custom_Neighborhood<1, 2>>;
 
[[nodiscard]] inline Wolfram_1D_Engine make_wolfram_engine(std::uint8_t rule_no, ca_size_t width)
{
  using L = Lattice<Dense_Cell_Storage<int, 1>, OpenBoundary>;
  Custom_Neighborhood<1, 2> nh(std::array<Offset_Vec<1>, 2>{Offset_Vec<1>{-1}, Offset_Vec<1>{1}});
  return Wolfram_1D_Engine(L({width}, 0), make_wolfram_elementary_rule(rule_no), std::move(nh));
}
 
[[nodiscard]] inline Wolfram_1D_Engine make_wolfram_engine(
  std::uint8_t rule_no, Lattice<Dense_Cell_Storage<int, 1>, OpenBoundary> initial)
{
  Custom_Neighborhood<1, 2> nh(std::array<Offset_Vec<1>, 2>{Offset_Vec<1>{-1}, Offset_Vec<1>{1}});
  return Wolfram_1D_Engine(std::move(initial), make_wolfram_elementary_rule(rule_no), std::move(nh));
}
 
}  // namespace CA
}  // namespace Aleph
 
#endif  // CA_ENGINE_UTILS_H