scored_individual.tcc

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#if !defined(ULTRA_SCORED_INDIVIDUAL_H)
#  error "Don't include this file directly, include the specific .h instead"
#endif
 
#if !defined(ULTRA_SCORED_INDIVIDUAL_TCC)
#define      ULTRA_SCORED_INDIVIDUAL_TCC

template<Individual I, Fitness F>
scored_individual<I, F>::scored_individual(I i, F f)
  : ind(std::move(i)), fit(std::move(f))
{
  Expects(!ind.empty());
}

template<Individual I, Fitness F>
bool scored_individual<I, F>::empty() const noexcept
{
  return ind.empty();
}

template<Individual I, Fitness F>
auto operator<=>(const scored_individual<I, F> &lhs,
                 const scored_individual<I, F> &rhs) noexcept
{
  return lhs.fit <=> rhs.fit;
}

template<Individual I, Fitness F>
bool scored_individual<I, F>::load(std::istream &in, const problem &p)
{
  unsigned known_best(false);
  if (!(in >> known_best))
    return false;
 
  scored_individual tmp;
  if (known_best)
  {
    if (!tmp.ind.load(in, p.sset))
      return false;
 
    if (!ultra::load(in, &tmp.fit))
      return false;
  }
 
  *this = tmp;
  return true;
}

template<Individual I, Fitness F>
bool scored_individual<I, F>::save(std::ostream &out) const
{
  if (empty())
    out << "0\n";
  else
  {
    out << "1\n";
    if (!ind.save(out))
      return false;
    if (!ultra::save(out, fit))
      return false;
  }
 
  return out.good();
}
 
#endif  // include guard