Geometry Boost List: [ggl] (spatial_)index::is_overlapping

Subject: [ggl] (spatial_)index::is_overlapping
From: Barend Gehrels (Barend.Gehrels)
Date: 2009-06-18 06:13:21

Hi Chris,

> I've simplified the function to this:
>
>     template <typename Box>
>     inline bool is_overlapping(Box const& b1, Box const& b2)
>     {
>         if (ggl::get<min_corner, 0>(b1) > ggl::get<max_corner, 0>(b2))
>             return false
>
>         if (ggl::get<max_corner, 0>(b1) < ggl::get<min_corner, 0>(b2))
>             return false;
>
>         if (ggl::get<min_corner, 1>(b1) > ggl::get<max_corner, 1>(b2))
>             return false;
>
>         if (ggl::get<max_corner, 1>(b1) < ggl::get<min_corner, 1>(b2))
>             return false;
>
>         return true;
>     }
>
>
> This should dramatically reduce the numbers of "get". Do you see an 
> obvious flaw?
>
OK and much better than what I just checked in, and somewhat faster. OK 
to commit (if you add the semicolon :-)
Thanks again, Barend

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