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https://github.com/worldforge/worldforge
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111 lines
3 KiB
C++
111 lines
3 KiB
C++
// point_test.cpp (Point<> test functions)
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//
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// The WorldForge Project
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// Copyright (C) 2001 The WorldForge Project
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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//
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// For information about WorldForge and its authors, please contact
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// the Worldforge Web Site at http://www.worldforge.org.
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// Author: Ron Steinke
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// Created: 2001-12-12
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#ifdef NDEBUG
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#undef NDEBUG
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#endif
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#ifndef DEBUG
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#define DEBUG
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#endif
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#include "wfmath/const.h"
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#include "wfmath/vector.h"
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#include "wfmath/point.h"
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#include "wfmath/axisbox.h"
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#include "wfmath/ball.h"
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#include "wfmath/stream.h"
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#include "general_test.h"
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#include "shape_test.h"
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#include <vector>
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#include <list>
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using namespace WFMath;
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template<int dim>
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void test_point(const Point<dim>& p)
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{
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std::cout << "Testing point: " << p << std::endl;
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test_general(p);
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test_shape(p);
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std::vector<Point<dim> > pvec;
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std::list<CoordType> clist;
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assert(!Barycenter(pvec).isValid());
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assert(!Barycenter(pvec, clist).isValid());
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pvec.push_back(p);
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assert(p == Barycenter(pvec));
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clist.push_back(5);
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assert(p == Barycenter(pvec, clist));
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// Barycenter fails if sum of weights is 0
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pvec.push_back(p);
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assert(Barycenter(pvec).isValid());
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clist.push_back(-5);
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assert(!Barycenter(pvec, clist).isValid());
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assert(p == p + (p - p));
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//Check that an invalid point isn't equal to a valid point, even if the values are equal
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Point<dim> invalid_point_1;
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Point<dim> invalid_point_2;
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for (size_t i = 0; i < dim; ++i) {
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invalid_point_1[i] = 0.0;
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invalid_point_2[i] = 0.0;
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}
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assert(invalid_point_1 != Point<dim>::ZERO());
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//Two invalid points are never equal
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assert(invalid_point_1 != invalid_point_2);
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// FIXME more tests
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}
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int main()
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{
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Point<2> p{};
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assert(!p.isValid());
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test_point(Point<2>(1, -1));
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test_point(Point<3>(1, -1, numeric_constants<CoordType>::sqrt2()));
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Point<2> zero2 = Point<2>::ZERO();
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assert(zero2.x() == 0 && zero2.y() == 0);
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Point<3> zero3 = Point<3>::ZERO();
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assert(zero3.x() == 0 && zero3.y() == 0 && zero3.z() == 0);
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assert(Point<3>(1,2,3).isEqualTo(Point<3>(1,2,3)));
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assert(!Point<3>(1,2,3).isEqualTo(Point<3>(3,2,1)));
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assert(!Point<3>(1,2,3).isEqualTo(Point<3>()));
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assert(!Point<3>().isEqualTo(Point<3>(3,2,1)));
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assert(!Point<3>().isEqualTo(Point<3>())); //invalid points are never equal
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return 0;
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}
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