Program Listing for File primes_interface.hpp

↰ Return to documentation for file (include/primes/primes_interface.hpp)

#pragma once

#include <algorithm>
#include <concepts>
#include <type_traits>

using std::integral;
using std::signed_integral;
using std::unsigned_integral;

// For some reason, g++ 12 has constexpr std::forward_list but nothing else
// does.  This is to allow for greater compatability with everything.
#if __cplusplus > 202002L
#define PRIMES_CONSTEXPR constexpr
#else
#define PRIMES_CONSTEXPR
#endif

namespace madlib {

using prime_type = size_t;

// Member declarations

template <class PRIMES_IMPLEMENTATION> class primes_interface {

public:
  using value_type = prime_type;

  using reference = prime_type &;

  using const_reference = const prime_type &;

  using size_type = size_t;

protected:
  PRIMES_CONSTEXPR primes_interface &_interface_calculate_primes_through(
      const unsigned_integral auto &through_value);

  PRIMES_CONSTEXPR bool
  _interface_is_prime(const unsigned_integral auto &number);

  PRIMES_CONSTEXPR prime_type
  _interface_get_nth_prime(const unsigned_integral auto &n);

  PRIMES_CONSTEXPR void _interface_auto_expand_mapped_primes();

  PRIMES_CONSTEXPR void _interface_map_next_prime();

  PRIMES_CONSTEXPR size_t _interface_number_of_mapped_primes();

  PRIMES_CONSTEXPR prime_type _interface_highest_odd_number_mapped();
};

template <class PRIMES_IMPLEMENTATION>
inline PRIMES_CONSTEXPR primes_interface<PRIMES_IMPLEMENTATION> &
primes_interface<PRIMES_IMPLEMENTATION>::_interface_calculate_primes_through(
    const unsigned_integral auto &through_value) {
  return static_cast<PRIMES_IMPLEMENTATION *>(this)
      ->calculate_primes_through_impl(through_value);
}

template <class PRIMES_IMPLEMENTATION>
inline PRIMES_CONSTEXPR bool
primes_interface<PRIMES_IMPLEMENTATION>::_interface_is_prime(
    const unsigned_integral auto &number) {
  return static_cast<PRIMES_IMPLEMENTATION *>(this)->is_prime_impl(number);
}

template <class PRIMES_IMPLEMENTATION>
inline PRIMES_CONSTEXPR prime_type
primes_interface<PRIMES_IMPLEMENTATION>::_interface_get_nth_prime(
    const unsigned_integral auto &n) {
  return static_cast<PRIMES_IMPLEMENTATION *>(this)->get_nth_prime_impl(n);
}

template <class PRIMES_IMPLEMENTATION>
inline PRIMES_CONSTEXPR void primes_interface<
    PRIMES_IMPLEMENTATION>::_interface_auto_expand_mapped_primes() {
  static_cast<PRIMES_IMPLEMENTATION *>(this)->auto_expand_mapped_primes_impl();
}

template <class PRIMES_IMPLEMENTATION>
inline PRIMES_CONSTEXPR void
primes_interface<PRIMES_IMPLEMENTATION>::_interface_map_next_prime() {
  static_cast<PRIMES_IMPLEMENTATION *>(this)->auto_expand_mapped_primes_impl();
}

template <class PRIMES_IMPLEMENTATION>
inline PRIMES_CONSTEXPR size_t
primes_interface<PRIMES_IMPLEMENTATION>::_interface_number_of_mapped_primes() {
  return static_cast<PRIMES_IMPLEMENTATION *>(this)
      ->number_of_mapped_primes_impl();
}

template <class PRIMES_IMPLEMENTATION>
inline PRIMES_CONSTEXPR prime_type primes_interface<
    PRIMES_IMPLEMENTATION>::_interface_highest_odd_number_mapped() {
  return static_cast<PRIMES_IMPLEMENTATION *>(this)
      ->highest_odd_number_mapped_impl();
}

} // namespace madlib