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#include <gmsh.h>
#include <set>
int main(int argc, char **argv)
{
gmsh::initialize();
int s1 = gmsh::model::occ::addRectangle(0, 0, 0, 1, 1);
int s2 = gmsh::model::occ::addRectangle(-0.5, 0, 0, 1, 1);
gmsh::model::occ::rotate({{2, s2}}, 0, 0.5, 0, 1, 0, 0, M_PI/2);
std::vector<std::pair<int, int> > out;
std::vector<std::vector<std::pair<int, int> > > outmap;
gmsh::model::occ::fragment({{2, s1}}, {{2, s2}}, out, outmap);
gmsh::model::occ::synchronize();
std::set<std::string> args(argv, argv + argc);
if(!args.count("-nopopup")) gmsh::fltk::run();
}
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