mirror of https://github.com/CGAL/cgal
94 lines
3.3 KiB
C++
94 lines
3.3 KiB
C++
#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
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#include <CGAL/Regular_triangulation_sphere_traits_2.h>
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#include <CGAL/enum.h>
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#include <fstream>
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typedef CGAL::Exact_predicates_inexact_constructions_kernel K;
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typedef CGAL::Regular_triangulation_sphere_traits_2<K> Gt;
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typedef Gt::Point_2 Point;
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typedef Gt::Orientation_2 Orientation_2;
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typedef Gt::Power_test_2 Power_test_2;
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int main()
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{
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Point P0=Point(0,0,0);
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Point P1=Point(1,0,0);
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Point P2=Point(0,1,0);
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Point P3=Point(0,0,1);
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Point P4=Point(1,1,1);
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Point P5=Point(-1,-1,-1);
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Point P6=Point(0.5,0.5,0);
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Point P7=Point(2,0,0);
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Point P8=Point(0.5,0,0);
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Point P9=Point(1,1,0);
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Point P10=Point(0.25,0.25,0);
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Point P11=Point(0.5,0,0.5);
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Point P12=Point(0.5,0,-0.5);
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Point P13=Point(0,0,0.5);
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Point P14=Point(-1,0,0);
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CGAL::Oriented_side result;
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//default constructor with sphere (0,0,0)
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Gt traits=Gt();
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std::cout<<"Test power_test_2"<<std::endl;
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//Power_test_2(p,q,r,s)
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result=traits.power_test_2_object()(P1,P2,P3,P4);
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assert(result==CGAL::ON_POSITIVE_SIDE);
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result=traits.power_test_2_object()(P1,P2,P3,P5);
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assert(result==CGAL::ON_NEGATIVE_SIDE);
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result=traits.power_test_2_object()(P1,P2,P3,P6);
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assert(result==CGAL::ON_ORIENTED_BOUNDARY);
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//Power_test_2(p,q,r) where p,q and r are coplanar points with _sphere
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result=traits.power_test_2_object()(P1,P2,P9);
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assert(result==CGAL::ON_POSITIVE_SIDE);
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result=traits.power_test_2_object()(P2,P1,P9);
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assert(result==CGAL::ON_POSITIVE_SIDE);
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result=traits.power_test_2_object()(P1,P2,P6);
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assert(result==CGAL::ON_ORIENTED_BOUNDARY);
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result=traits.power_test_2_object()(P1,P2,P10);
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assert(result==CGAL::ON_NEGATIVE_SIDE);
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result=traits.power_test_2_object()(P2,P1,P10);
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assert(result==CGAL::ON_NEGATIVE_SIDE);
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//power_test_2(p,q) where p, q and sphere are colinear
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result=traits.power_test_2_object()(P1,P7);
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assert(result==CGAL::ON_POSITIVE_SIDE);
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result=traits.power_test_2_object()(P1,P1);
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assert(result==CGAL::ON_ORIENTED_BOUNDARY);
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result=traits.power_test_2_object()(P1,P8);
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assert(result==CGAL::ON_NEGATIVE_SIDE);
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//with other sphere than (0,0,0)
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Gt traits2=Gt(Point(0,0,1));
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//Power_test_2(p,q,r,s)
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result=traits2.power_test_2_object()(P0,P2,P1,P5);
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assert(result==CGAL::ON_POSITIVE_SIDE);
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result=traits2.power_test_2_object()(P0,P2,P1,P4);
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assert(result==CGAL::ON_NEGATIVE_SIDE);
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result=traits2.power_test_2_object()(P0,P1,P1,P10);
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assert(result==CGAL::ON_ORIENTED_BOUNDARY);
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//Power_test_2(p,q,r) where p,q and r are coplanar points
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result=traits2.power_test_2_object()(P14,P1,P12);
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assert(result==CGAL::ON_POSITIVE_SIDE);
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result=traits2.power_test_2_object()(P1,P2,P6);
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assert(result==CGAL::ON_ORIENTED_BOUNDARY);
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result=traits2.power_test_2_object()(P14,P1,P11);
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assert(result==CGAL::ON_NEGATIVE_SIDE);
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//power_test_2(p,q) where p, q and sphere are colinear
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result=traits2.power_test_2_object()(P13,P0);
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assert(result==CGAL::ON_POSITIVE_SIDE);
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result=traits2.power_test_2_object()(P13,P13);
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assert(result==CGAL::ON_ORIENTED_BOUNDARY);
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result=traits2.power_test_2_object()(P0,P13);
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assert(result==CGAL::ON_NEGATIVE_SIDE);
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}
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