from_int()

ring_elem GF::from_int ( mpz_srcptr n ) const

virtual

Implements Ring.

Definition at line 217 of file GF.cpp.

{
  mpz_t result;
  mpz_init(result);
  mpz_mod_ui(result, n, characteristic());
  long m1 = mpz_get_si(result);
  mpz_clear(result);
  if (m1 < 0) m1 += characteristic();
  int m = static_cast<int>(m1);
  m = _from_int_table[m];
  return ring_elem(m);
}

References _from_int_table, Ring::characteristic(), and result().