CGAL users discussion list

[Efraim Fogel <>]

Jannis Warnat wrote:
> Hi,
>  
> following code segment is from Arr_vertical_decomposition_visitor.h 
> (CGAL-3.3.1):
>  
> bool after_handle_event(Event* event, SL_iterator above, bool /* 
> above_on_event */)
> {
> if (! event->is_finite())
> {
> // We only need to consider events with a finite x-cooridinates.
> if (event->infinity_at_x() != NO_BOUNDARY)
> return (true);
> Boundary_type y_inf = event->infinity_at_y();
> if (y_inf == PLUS_INFINITY)
> {
> // Update the fictitious top halfedge.
> m_top_he = m_top_he->twin()->next()->twin();
> }
> else
> {
> CGAL_assertion (y_inf == PLUS_INFINITY);
> // Update the fictitious bottom halfedge.
> m_bottom_he = m_bottom_he->prev();
> }
> return (true);
> }
>  
> The CGAL_assertion should check for y_inf == MINUS_INFINITY, shouldn´t it?
>  
> Kind regards,
>  
> Jannis Warnat
It looks like you are right.

The entire arrangement package was revamped. The coming release will 
contain the new stuff including new code for vertical decomposition.

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