aType = THE_ANGLE_SUPPLEMENTARY;
else if (aBackwardDiff < aDirectDiff && aBackwardDiff < aComplementaryDiff)
aType = THE_ANGLE_BACKWARD;
aType = THE_ANGLE_SUPPLEMENTARY;
else if (aBackwardDiff < aDirectDiff && aBackwardDiff < aComplementaryDiff)
aType = THE_ANGLE_BACKWARD;