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[Anders Johansson <>]

Hi,

I get a segmentation fault when compiling and running the attached file main.cpp as follows:

> g++ -g -I$CGAL_PATH/include -fPIC -frounding-math -L$CGAL_PATH/lib -Wl,-rpath,$CGAL_PATH/lib -lCGAL -lmpfr -lgmp -lCGAL_Core -o bug main.cpp
> ./bug
Before call to minkowski_sum_2()
Segmentation fault

I run CGAL-3.8-beta1 on Ubuntu Lucid.

Thanks in advance!

Anders 
/* 
   > g++ -g -I$CGAL_PATH/include -fPIC -frounding-math -L$CGAL_PATH/lib -Wl,-rpath,$CGAL_PATH/lib -lCGAL -lmpfr -lgmp -lCGAL_Core -o bug main.cpp 
   > ./bug 
   Before call to minkowski_sum_2()
   Segmentation fault
*/

#include <iostream>

#include <CGAL/Exact_predicates_exact_constructions_kernel.h>

typedef CGAL::Exact_predicates_exact_constructions_kernel Kernel;

#include <CGAL/Polygon_2.h>
#include <CGAL/Polygon_with_holes_2.h>
#include <CGAL/minkowski_sum_2.h>

typedef CGAL::Polygon_2<Kernel> Polygon;
typedef Kernel::Point_2 Point;
typedef CGAL::Polygon_with_holes_2<Kernel>            PolygonWithHoles;          


int main()
{
  Polygon fixed;
  Polygon orbiting;
  PolygonWithHoles sum;
 
  fixed.push_back(Point(0.0, 0.0));
  fixed.push_back(Point(50.0, 0.0));
  fixed.push_back(Point(50.0, 50.0));
  fixed.push_back(Point(125.0, 50.0));
  fixed.push_back(Point(125.0, 0.0));
  fixed.push_back(Point(175.0, 0.0));
  fixed.push_back(Point(175.0, 175.0));
  fixed.push_back(Point(125.0, 175.0));
  fixed.push_back(Point(125.0, 125.0));
  fixed.push_back(Point(0.0, 125.0));
 

  orbiting.push_back(Point(175.0, -0.0));
  orbiting.push_back(Point(175.0, 50.0));
  orbiting.push_back(Point(125.0, 50.0));
  orbiting.push_back(Point(125.0, 125.0));
  orbiting.push_back(Point(175.0, 125.0));
  orbiting.push_back(Point(175.0, 175.0));
  orbiting.push_back(Point(-0.0, 175.0));
  orbiting.push_back(Point(-0.0, 125.00000000000001));
  orbiting.push_back(Point(50.000000000000014, 125.00000000000001));
  orbiting.push_back(Point(50.0, 7.654042494670958E-15));
 
  std::cout << "Before call to minkowski_sum_2()" << std::endl;
 
  sum = minkowski_sum_2(fixed, orbiting);		
 
  std::cout << "After call to minkowski_sum_2()" << std::endl;

  return 0;
}