declare_field()

bool Ring::declare_field

(

)

Definition at line 69 of file ring.cpp.

{
  if (_isfield >= 0)
    {
      _isfield = 1;
      return true;
    }
  else
    {
      ERROR("attempting to declare a ring with known non-units to be a field");
      return false;
    }
}

References _isfield, and ERROR.

Referenced by Tower::initialize(), FractionField::initialize_frac(), GF::initialize_GF(), and Z_mod::initialize_Z_mod().