gene.h

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#if !defined(VITA_GENE_H)
#define      VITA_GENE_H
 
#include "kernel/random.h"
#include "kernel/gp/function.h"
#include "kernel/gp/locus.h"
#include "kernel/gp/terminal.h"
#include "utility/small_vector.h"
#include "utility/utility.h"
 
namespace vita
{
template<unsigned K>
class basic_gene
{
public:
  basic_gene() {}
  explicit basic_gene(const terminal &);
  basic_gene(const std::pair<symbol *, std::vector<index_t>> &);
  basic_gene(const symbol &, index_t, index_t);
 
  [[nodiscard]] locus locus_of_argument(std::size_t) const;
  small_vector<locus, K> arguments() const;
 
  // Types and constants.
  using packed_index_t = std::uint16_t;
  using arg_pack = small_vector<packed_index_t, K>;
 
  enum : decltype(K) {k_args = K};
 
  // Public data members.
  const symbol    *sym;
  terminal_param_t par;
  arg_pack        args;
 
private:
  void init_if_parametric();
};
 
template<unsigned K>
std::ostream &operator<<(std::ostream &, const basic_gene<K> &);
 
template<unsigned K>
bool operator==(const basic_gene<K> &, const basic_gene<K> &);
template<unsigned K>
bool operator!=(const basic_gene<K> &, const basic_gene<K> &);
 
using gene = basic_gene<4>;
 
#include "kernel/gp/gene.tcc"
}  // namespace vita
 
#endif  // include guard