Geometry Boost List: [geometry] boost::geometry::intersection bug?

Subject: [geometry] boost::geometry::intersection bug?
From: shalabuda (shalabuda_at_[hidden])
Date: 2014-02-23 07:04:31

Hi,

I ran into an issue with boost::geometry::intersection when trying to
intersect the following polygons:

    bg::model::ring<bg::model::d2::point_xy&lt;double> > r1;
    bg::model::ring<bg::model::d2::point_xy&lt;double> > r2;
    SimplePolygon r1;
    SimplePolygon r2;
    bg::read_wkt("POLYGON((-7.1621621621621605058294335322
43.228378378378366164724866394, -4.52438675915238786018335304107
30.5670564439314631499655661173, -4.16280147451538873326626344351
27.5407467090450168711868172977, -6.19047619047618891130468909978
36.7666666666666515084216371179, -7.1621621621621605058294335322
43.228378378378366164724866394))", r1);
    bg::read_wkt("POLYGON((-8.16216216216216139400785323232
49.8783783783783789544941100758, -3.16280147451538873326626344351
44.228378378378366164724866394, 1 -10.5499999999999971578290569596, -1 2.25,
-8.16216216216216139400785323232 49.8783783783783789544941100758))", r2);
    
    vector<bg::model::ring&lt;bg::model::d2::point_xy&lt;double> > > out;
    bg::intersection(r1, r2, out);

The intersection calculated is not correct for me. I tried this on the
latest version of the library from the trunk. Can you help me with that,
please?

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