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comment added to help the reader

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Monique Teillaud
2008-08-13 09:39:54 +00:00
parent 2cb2f69afd
commit 2fa9033fc7
1 changed files with 4 additions and 0 deletions
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Circular_kernel_2/examples/Circular_kernel_2/intersecting_arcs.cpp
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@@ -18,12 +18,16 @@ double prob_2() {
Point_2 p1, p2, p3, p4, p5, p6;
p1 = *g++; p2 = *g++; p3 = *g++;
p4 = *g++; p5 = *g++; p6 = *g++;
// the pi's are points inherited from the Cartesian kernel Point_2, so,
// the orientation prdicate can be called on them
if(CGAL::orientation(p1, p2, p3) != CGAL::COUNTERCLOCKWISE) std::swap(p1, p3);
T o1 = T(p1, p2, p3);
if(CGAL::orientation(p4, p5, p6) != CGAL::COUNTERCLOCKWISE) std::swap(p4, p6);
T o2 = T(p4, p5, p6);
std::vector< CGAL::Object > res;
CGAL::intersection(o1, o2, std::back_inserter(res));
prob += (res.size() != 0) ? 1.0 : 0.0;
}
return prob/10000.0;