from_long()

ring_elem GF::from_long ( long n ) const

virtual

Implements Ring.

Definition at line 208 of file GF.cpp.

{
  long m1 = n % characteristic();
  if (m1 < 0) m1 += characteristic();
  int m = static_cast<int>(m1);
  m = _from_int_table[m];
  return ring_elem(m);
}

References _from_int_table, and Ring::characteristic().

Referenced by from_rational(), initialize_GF(), promote(), and syzygy().