AATIsolineSegment::AATIsolineSegment(const AATPoint &ap,
const TaskProjection &projection)
:AATIsoline(ap, projection)
{
IsolineCrossingFinder icf_up(ap, ell, fixed_zero, fixed_half);
IsolineCrossingFinder icf_down(ap, ell, -fixed_half, fixed_zero);
t_up = icf_up.solve();
t_down = icf_down.solve();
if ((t_up < -fixed_half) || (t_down < -fixed_half)) {
t_up = fixed_zero;
t_down = fixed_zero;
// single solution only
}
}
AATIsolineSegment::AATIsolineSegment(const AATPoint& ap):
AATIsoline(ap)
{
const fixed t_target = FindTargetInSector(ap);
const fixed t_a = t_target + - fixed_half;
const fixed t_c = t_target + fixed_half;
IsolineCrossingFinder icf_up(ap, ell, t_target , t_c);
IsolineCrossingFinder icf_down(ap, ell, t_a, t_target);
t_up = icf_up.solve();
t_down = icf_down.solve();
if ((t_down <= t_a) || (t_down >= t_target) || (t_up <= t_target) || (t_up >= t_c)) {
t_up = fixed_zero;
t_down = fixed_zero;
// single solution only
}
}