std::string get_op_string()

in src/c_interface.cpp [147:152]


std::string get_op_string(bool a_t, bool b_t) {
  if      (!a_t && !b_t) return "NN";
  else if (a_t && !b_t)  return "TN";
  else if (!a_t && b_t)  return "NT";
  else                   return "TT";
}