Function CorrectGoStraight

libs/routing/car_directions.cpp:360–372

! * \brief Corrects |turn.m_turn| if |turn.m_turn == CarDirection::GoStraight|. * If the other way is not sharp enough, turn.m_turn is set to |turnToSet|. */

 * If the other way is not sharp enough, turn.m_turn is set to |turnToSet|.
 */
void CorrectGoStraight(TurnCandidate const & notRouteCandidate, double const routeAngle, CarDirection const & turnToSet,
                       TurnItem & turn)
{
  if (turn.m_turn != CarDirection::GoStraight)
    return;

  // Correct turn if alternative cadidate's angle is not sharp enough compared to the route.
  if (abs(notRouteCandidate.m_angle) < abs(routeAngle) + kMinAbsAngleDiffForStraightRoute)
  {
    LOG(LDEBUG, ("Turn: ", turn.m_index, " GoStraight correction."));
    turn.m_turn = turnToSet;
  }
}

// If the route goes along the rightmost or the leftmost way among available ones:
// 1. RightmostDirection or LeftmostDirection is selected