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[Sylvain Pion <>]

Exact_predicates_exact_constructions_kernel::FT

Marco Aurelio Sterpa wrote:
> And what type should I use instead of double?
>
> 2009/10/13 Sylvain Pion < 
> <mailto:>>
>
>     I am not sure exactly where you want to go, but if you want
>     exact intersections between lines, you need to have a kernel
>     with exact constructions.
>
>     Try Exact_predicates_exact_constructions_kernel ?
>
>
>     Marco Aurelio Sterpa wrote:
>
>         They're different using this approach, so what is the better
>         type I have to use to get exact computing of intersection
>         between lines? I've made "typedef double NT", do I just need to
>         change "double" with another type to get the project compile
>         yet? Thanks in advance.
>
>         2009/10/13 Sylvain Pion 
> <
>         
> <mailto:>
>         
> <mailto:
>         
> <mailto:>>>
>
>            Sterpa a écrit :
>
>                I have this two points
>                1.1 -2.08 - 1.1 -2.08
>
>                and this is the output of CGAL::compare_y(point1, point2);
>
>                -1 (SMALLER)
>
>                how can this happen?
>                I've tried other approach such as a simple point1.y() !=
>                point2.y() or just
>                point1 != point2, but I never got the wrong output (which is
>                "EQUAL"). Do I
>                need to use another function?
>
>
>            Does it still print the same .y() values if you do the
>         following ?
>
>             std::cout.precision(20);
>
>            --    Sylvain Pion
>            INRIA Sophia-Antipolis
>            Geometrica Project-Team
>            CGAL, http://cgal.org/
>
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>
>
>     -- 
>     Sylvain Pion
>     INRIA Sophia-Antipolis
>     Geometrica Project-Team
>     CGAL, http://cgal.org/
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--
Sylvain Pion
INRIA Sophia-Antipolis
Geometrica Project-Team
CGAL, http://cgal.org/