C++ (Cpp) set_print_variables Beispiele

Beispiel #1

Datei: main.cpp Projekt: WilliamAufort/primecount

maxint_t P2(maxint_t x, int threads)
{
  if (x < 1)
    return 0;

  if (print_status())
    set_print_variables(true);

  double alpha = get_alpha(x, 0.0017154, -0.0508992, 0.483613, 0.0672202);
  int64_t y = (int64_t) (iroot<3>(x) * alpha);

  if (x <= numeric_limits<int64_t>::max())
    return P2((int64_t) x, y, threads);
  else
    return P2(x, y, threads);
}

Beispiel #2

Datei: main.cpp Projekt: kimwalisch/primesum

int256_t P2(int128_t x, int threads)
{
  if (x < 1)
    return 0;

  double alpha = get_alpha_deleglise_rivat(x);
  string limit = get_max_x(alpha);

  if (x > to_int128(limit))
    throw primesum_error("P2(x): x must be <= " + limit);

  if (is_print())
    set_print_variables(true);

  int64_t y = (int64_t) (iroot<3>(x) * alpha);
  return P2(x, y, threads);
}

Beispiel #3

Datei: main.cpp Projekt: WilliamAufort/primecount

maxint_t S2_easy(maxint_t x, int threads)
{
  if (x < 1)
    return 0;

  if (print_status())
    set_print_variables(true);

  double alpha = get_alpha(x, 0.0017154, -0.0508992, 0.483613, 0.0672202);
  int64_t y = (int64_t) (iroot<3>(x) * alpha);
  int64_t z = (int64_t) (x / y);
  int64_t c = PhiTiny::get_c(y);

  if (x <= numeric_limits<int64_t>::max())
    return S2_easy((int64_t) x, y, z, c, threads);
  else
    return S2_easy(x, y, z, c, threads);
}

Beispiel #4

Datei: main.cpp Projekt: kimwalisch/primesum

int256_t S2_hard(int128_t x, int threads)
{
  if (x < 1)
    return 0;

  double alpha = get_alpha_deleglise_rivat(x);
  string limit = get_max_x(alpha);

  if (x > to_int128(limit))
    throw primesum_error("S2_hard(x): x must be <= " + limit);

  if (is_print())
    set_print_variables(true);

  int64_t y = (int64_t) (iroot<3>(x) * alpha);
  int64_t z = (int64_t) (x / y);
  int64_t c = PhiTiny::get_c(y);

  return S2_hard(x, y, z, c, threads);
}

Beispiel #5

Datei: main.cpp Projekt: WilliamAufort/primecount

maxint_t S2_hard(maxint_t x, int threads)
{
  if (x < 1)
    return 0;

  if (print_status())
    set_print_variables(true);

  double alpha = get_alpha(x, 0.0017154, -0.0508992, 0.483613, 0.0672202);
  int64_t y = (int64_t) (iroot<3>(x) * alpha);
  int64_t z = (int64_t) (x / y);
  int64_t c = PhiTiny::get_c(y);

  // TODO: find better S2_hard approximation formula
  maxint_t s2_hard_approx = Li(x);

  if (x <= numeric_limits<int64_t>::max())
    return S2_hard((int64_t) x, y, z, c, (int64_t) s2_hard_approx, threads);
  else
    return S2_hard(x, y, z, c, s2_hard_approx, threads);
}

Beispiel #6

Datei: main.cpp Projekt: kimwalisch/primecount

maxint_t P2(maxint_t x, int threads)
{
  if (x < 1)
    return 0;

  double alpha = get_alpha_deleglise_rivat(x);
  string limit = get_max_x(alpha);

  if (x > to_maxint(limit))
    throw primecount_error("P2(x): x must be <= " + limit);

  if (is_print())
    set_print_variables(true);

  int64_t y = (int64_t) (iroot<3>(x) * alpha);

  if (x <= numeric_limits<int64_t>::max())
    return P2((int64_t) x, y, threads);
  else
    return P2(x, y, threads);
}

Beispiel #7

Datei: main.cpp Projekt: kimwalisch/primecount

maxint_t S2_hard(maxint_t x, int threads)
{
  if (x < 1)
    return 0;

  double alpha = get_alpha_deleglise_rivat(x);
  string limit = get_max_x(alpha);

  if (x > to_maxint(limit))
    throw primecount_error("S2_hard(x): x must be <= " + limit);

  if (is_print())
    set_print_variables(true);

  int64_t y = (int64_t) (iroot<3>(x) * alpha);
  int64_t z = (int64_t) (x / y);
  int64_t c = PhiTiny::get_c(y);

  if (x <= numeric_limits<int64_t>::max())
    return S2_hard((int64_t) x, y, z, c, (int64_t) Ri(x), threads);
  else
    return S2_hard(x, y, z, c, Ri(x), threads);
}