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Tue, Jul 30, 12:24

QhullPoints_test.cpp
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/****************************************************************************
**
** Copyright (p) 2009-2015 C.B. Barber. All rights reserved.
** $Id: //main/2015/qhull/src/qhulltest/QhullPoints_test.cpp#3 $$Change: 2062 $
** $DateTime: 2016/01/17 13:13:18 $$Author: bbarber $
**
****************************************************************************/
//pre-compiled header
#include <iostream>
#include "qhulltest/RoadTest.h" // QT_VERSION
#include "libqhullcpp/QhullPoints.h"
#include "libqhullcpp/RboxPoints.h"
#include "libqhullcpp/Qhull.h"
using std::cout;
using std::endl;
using std::ostringstream;
namespace orgQhull {
class QhullPoints_test : public RoadTest
{
Q_OBJECT
#//!\name Test slots
private slots:
void cleanup();
void t_construct_q();
void t_construct_qh();
void t_convert();
void t_getset();
void t_element();
void t_iterator();
void t_const_iterator();
void t_search();
void t_points_iterator();
void t_io();
};//QhullPoints_test
void
add_QhullPoints_test()
{
new QhullPoints_test(); // RoadTest::s_testcases
}
//Executed after each testcase
void QhullPoints_test::
cleanup()
{
RoadTest::cleanup();
}
void QhullPoints_test::
t_construct_q()
{
Qhull q;
QhullPoints ps(q);
QCOMPARE(ps.dimension(), 0);
QVERIFY(ps.isEmpty());
QCOMPARE(ps.count(), 0);
QCOMPARE(ps.size(), 0u);
QCOMPARE(ps.coordinateCount(), 0);
coordT c[]= {0.0, 1.0, 2.0, 3.0, 4.0, 5.0};
QhullPoints ps2(q);
ps2.defineAs(2, 6, c);
QCOMPARE(ps2.dimension(), 2);
QVERIFY(!ps2.isEmpty());
QCOMPARE(ps2.count(), 3);
QCOMPARE(ps2.size(), 3u);
QCOMPARE(ps2.coordinates(), c);
QhullPoints ps3(q, 2, 6, c);
QCOMPARE(ps3.dimension(), 2);
QVERIFY(!ps3.isEmpty());
QCOMPARE(ps3.coordinates(), ps2.coordinates());
QVERIFY(ps3==ps2);
QVERIFY(ps3!=ps);
QhullPoints ps4= ps3;
QVERIFY(ps4==ps3);
// ps4= ps3; //compiler error
QhullPoints ps5(ps4);
QVERIFY(ps5==ps4);
QVERIFY(!(ps5!=ps4));
coordT c2[]= {0.0, 1.0, 2.0, 3.0, 4.0, 5.0};
QhullPoints ps6(q, 2, 6, c2);
QVERIFY(ps6==ps2);
RboxPoints rbox("c D2");
Qhull q2(rbox, "");
QhullPoints ps8(q2);
QCOMPARE(ps8.dimension(), 2);
QCOMPARE(ps8.count(), 0);
QCOMPARE(ps8.size(), 0u);
QCOMPARE(ps8.coordinateCount(), 0);
coordT c3[]= {0.0, 1.0, 2.0, 3.0, 4.0, 5.0};
QhullPoints ps9(q2, 6, c3);
QCOMPARE(ps9.dimension(), 2);
QCOMPARE(ps9.coordinateCount(), 6);
QCOMPARE(ps9.count(), 3);
QCOMPARE(ps9.coordinates(), c3);
QCOMPARE(ps9, ps2); // DISTround
c3[1]= 1.0+1e-17;
QCOMPARE(ps9, ps2); // DISTround
c3[1]= 1.0+1e-15;
QVERIFY(ps9!=ps2); // DISTround
ps9.defineAs(6, c2);
QCOMPARE(ps9.dimension(), 2);
QCOMPARE(ps9.coordinateCount(), 6);
QCOMPARE(ps9.count(), 3);
QCOMPARE(ps9.coordinates(), c2);
}//t_construct_q
void QhullPoints_test::
t_construct_qh()
{
Qhull q;
QhullQh *qh= q.qh();
QhullPoints ps(qh);
QCOMPARE(ps.dimension(), 0);
QVERIFY(ps.isEmpty());
QCOMPARE(ps.count(), 0);
QCOMPARE(ps.size(), 0u);
QCOMPARE(ps.coordinateCount(), 0);
coordT c[]= {0.0, 1.0, 2.0, 3.0, 4.0, 5.0};
QhullPoints ps2(qh);
ps2.defineAs(2, 6, c);
QCOMPARE(ps2.dimension(), 2);
QVERIFY(!ps2.isEmpty());
QCOMPARE(ps2.count(), 3);
QCOMPARE(ps2.size(), 3u);
QCOMPARE(ps2.coordinates(), c);
QhullPoints ps3(qh, 2, 6, c);
QCOMPARE(ps3.dimension(), 2);
QVERIFY(!ps3.isEmpty());
QCOMPARE(ps3.coordinates(), ps2.coordinates());
QVERIFY(ps3==ps2);
QVERIFY(ps3!=ps);
QhullPoints ps4= ps3;
QVERIFY(ps4==ps3);
// ps4= ps3; //compiler error
QhullPoints ps5(ps4);
QVERIFY(ps5==ps4);
QVERIFY(!(ps5!=ps4));
coordT c2[]= {0.0, 1.0, 2.0, 3.0, 4.0, 5.0};
QhullPoints ps6(qh, 2, 6, c2);
QVERIFY(ps6==ps2);
RboxPoints rbox("c D2");
Qhull q2(rbox, "");
QhullPoints ps8(q2.qh());
QCOMPARE(ps8.dimension(), 2);
QCOMPARE(ps8.count(), 0);
QCOMPARE(ps8.size(), 0u);
QCOMPARE(ps8.coordinateCount(), 0);
coordT c3[]= {10.0, 11.0, 12.0, 13.0, 14.0, 15.0};
QhullPoints ps9(q2.qh(), 6, c3);
QCOMPARE(ps9.dimension(), 2);
QCOMPARE(ps9.coordinateCount(), 6);
QCOMPARE(ps9.count(), 3);
QCOMPARE(ps9.coordinates(), c3);
ps9.defineAs(6, c2);
QCOMPARE(ps9.dimension(), 2);
QCOMPARE(ps9.coordinateCount(), 6);
QCOMPARE(ps9.count(), 3);
QCOMPARE(ps9.coordinates(), c2);
}//t_construct_qh
void QhullPoints_test::
t_convert()
{
Qhull q;
//defineAs tested above
coordT c[]= {0.0, 1.0, 2.0, 3.0, 4.0, 5.0};
QhullPoints ps(q, 3, 6, c);
QCOMPARE(ps.dimension(), 3);
QCOMPARE(ps.size(), 2u);
const coordT *c2= ps.constData();
QCOMPARE(c, c2);
const coordT *c3= ps.data();
QCOMPARE(c, c3);
coordT *c4= ps.data();
QCOMPARE(c, c4);
std::vector<QhullPoint> vs= ps.toStdVector();
QCOMPARE(vs.size(), 2u);
QhullPoint p= vs[1];
QCOMPARE(p[2], 5.0);
QList<QhullPoint> qs= ps.toQList();
QCOMPARE(qs.size(), 2);
QhullPoint p2= qs[1];
QCOMPARE(p2[2], 5.0);
}//t_convert
void QhullPoints_test::
t_getset()
{
Qhull q;
//See t_construct for coordinates, count, defineAs, dimension, isempty, ==, !=, size
coordT c[]= {0.0, 1.0, 2.0, 3.0, 4.0, 5.0};
QhullPoints ps(q, 3, 6, c);
QhullPoints ps2(q, 3, 6, c);
QCOMPARE(ps2.dimension(), 3);
QCOMPARE(ps2.coordinates(), c);
QCOMPARE(ps2.count(), 2);
QCOMPARE(ps2.coordinateCount(), 6);
coordT c2[]= {-1.0, -2.0, -3.0, -4.0, -5.0, -6.0};
ps2.defineAs(6, c2);
QCOMPARE(ps2.coordinates(), c2);
QCOMPARE(ps2.count(), 2);
QCOMPARE(ps2.size(), 2u);
QCOMPARE(ps2.dimension(), 3);
QVERIFY(!ps2.isEmpty());
QVERIFY(ps!=ps2);
// ps2= ps; // assignment not available, compiler error
ps2.defineAs(ps);
QVERIFY(ps==ps2);
ps2.setDimension(2);
QCOMPARE(ps2.dimension(), 2);
QCOMPARE(ps2.coordinates(), c);
QVERIFY(!ps2.isEmpty());
QCOMPARE(ps2.count(), 3);
QCOMPARE(ps2.size(), 3u);
QVERIFY(ps!=ps2);
QhullPoints ps3(ps2);
ps3.setDimension(3);
ps3.defineAs(5, c2);
QCOMPARE(ps3.count(), 1);
QCOMPARE(ps3.extraCoordinatesCount(), 2);
QCOMPARE(ps3.extraCoordinates()[0], -4.0);
QVERIFY(ps3.includesCoordinates(ps3.data()));
QVERIFY(ps3.includesCoordinates(ps3.data()+ps3.count()-1));
QVERIFY(!ps3.includesCoordinates(ps3.data()-1));
QVERIFY(!ps3.includesCoordinates(ps3.data()+ps3.coordinateCount()));
}//t_getset
void QhullPoints_test::
t_element()
{
Qhull q;
coordT c[]= {0.0, 1.0, 2.0, 3.0, 4.0, 5.0};
QhullPoints ps(q, 2, 6, c);
QCOMPARE(ps.count(), 3);
QhullPoint p(q, 2, c);
QCOMPARE(ps[0], p);
QCOMPARE(ps.at(1), ps[1]);
QCOMPARE(ps.first(), p);
QCOMPARE(ps.front(), ps.first());
QCOMPARE(ps.last(), ps.at(2));
QCOMPARE(ps.back(), ps.last());
QhullPoints ps2= ps.mid(2);
QCOMPARE(ps2.count(), 1);
QhullPoints ps3= ps.mid(3);
QVERIFY(ps3.isEmpty());
QhullPoints ps4= ps.mid(10);
QVERIFY(ps4.isEmpty());
QhullPoints ps5= ps.mid(-1);
QVERIFY(ps5.isEmpty());
QhullPoints ps6= ps.mid(1, 1);
QCOMPARE(ps6.count(), 1);
QCOMPARE(ps6[0], ps[1]);
QhullPoints ps7= ps.mid(1, 10);
QCOMPARE(ps7.count(), 2);
QCOMPARE(ps7[1], ps[2]);
QhullPoint p8(q);
QCOMPARE(ps.value(2), ps[2]);
QCOMPARE(ps.value(-1), p8);
QCOMPARE(ps.value(3), p8);
QCOMPARE(ps.value(3, p), p);
QVERIFY(ps.value(1, p)!=p);
foreach(QhullPoint p9, ps){ // Qt only
QCOMPARE(p9.dimension(), 2);
QVERIFY(p9[0]==0.0 || p9[0]==2.0 || p9[0]==4.0);
}
}//t_element
void QhullPoints_test::
t_iterator()
{
Qhull q;
coordT c[]= {0.0, 1.0, 2.0};
QhullPoints ps(q, 1, 3, c);
QCOMPARE(ps.dimension(), 1);
QhullPoints::Iterator i(ps);
QhullPoints::iterator i2= ps.begin();
QVERIFY(i==i2);
QVERIFY(i>=i2);
QVERIFY(i<=i2);
i= ps.begin();
QVERIFY(i==i2);
i2= ps.end();
QVERIFY(i!=i2);
QhullPoint p(i); // QhullPoint is the base class for QhullPoints::iterator
QCOMPARE(p.dimension(), ps.dimension());
QCOMPARE(p.coordinates(), ps.coordinates());
i2--;
QhullPoint p2= *i2;
QCOMPARE(p[0], 0.0);
QCOMPARE(p2[0], 2.0);
QhullPoints::Iterator i5(i2);
QCOMPARE(*i2, *i5);
coordT c3[]= {0.0, -1.0, -2.0};
QhullPoints::Iterator i3(q, 1, c3);
QVERIFY(i!=i3);
QCOMPARE(*i, *i3);
(i3= i)++;
QCOMPARE((*i3)[0], 1.0);
QCOMPARE(i3->dimension(), 1);
QCOMPARE(i3[0][0], 1.0);
QCOMPARE(i3[0], ps[1]);
QVERIFY(i==i);
QVERIFY(i!=i2);
QVERIFY(i<i2);
QVERIFY(i<=i2);
QVERIFY(i2>i);
QVERIFY(i2>=i);
QhullPoints::ConstIterator i4(q, 1, c);
QVERIFY(i==i4); // iterator COMP const_iterator
QVERIFY(i<=i4);
QVERIFY(i>=i4);
QVERIFY(i4==i); // const_iterator COMP iterator
QVERIFY(i4<=i);
QVERIFY(i4>=i);
QVERIFY(i>=i4);
QVERIFY(i4<=i);
QVERIFY(i2!=i4);
QVERIFY(i2>i4);
QVERIFY(i2>=i4);
QVERIFY(i4!=i2);
QVERIFY(i4<i2);
QVERIFY(i4<=i2);
++i4;
QVERIFY(i<i4);
QVERIFY(i<=i4);
QVERIFY(i4>i);
QVERIFY(i4>=i);
i= ps.begin();
i2= ps.begin();
QCOMPARE(i, i2++);
QCOMPARE(*i2, ps[1]);
QCOMPARE(++i, i2);
QCOMPARE(i, i2--);
QCOMPARE(i2, ps.begin());
QCOMPARE(--i, i2);
QCOMPARE(i2+=3, ps.end());
QCOMPARE(i2-=3, ps.begin());
QCOMPARE(i2+0, ps.begin());
QCOMPARE(i2+3, ps.end());
i2 += 3;
i= i2-0;
QCOMPARE(i, i2);
i= i2-3;
QCOMPARE(i, ps.begin());
QCOMPARE(i2-i, 3);
//ps.begin end tested above
// QhullPoints is const-only
}//t_iterator
void QhullPoints_test::
t_const_iterator()
{
Qhull q;
coordT c[]= {0.0, 1.0, 2.0};
const QhullPoints ps(q, 1, 3, c);
QhullPoints::ConstIterator i(ps);
QhullPoints::const_iterator i2= ps.begin();
QVERIFY(i==i2);
QVERIFY(i>=i2);
QVERIFY(i<=i2);
i= ps.begin();
QVERIFY(i==i2);
i2= ps.end();
QVERIFY(i!=i2);
QhullPoint p(i);
QCOMPARE(p.dimension(), ps.dimension());
QCOMPARE(p.coordinates(), ps.coordinates());
i2--;
QhullPoint p2= *i2;
QCOMPARE(p[0], 0.0);
QCOMPARE(p2[0], 2.0);
QhullPoints::ConstIterator i5(i2);
QCOMPARE(*i2, *i5);
coordT c3[]= {0.0, -1.0, -2.0};
QhullPoints::ConstIterator i3(q, 1, c3);
QVERIFY(i!=i3);
QCOMPARE(*i, *i3);
(i3= i)++;
QCOMPARE((*i3)[0], 1.0);
QCOMPARE(i3->dimension(), 1);
QCOMPARE(i3[0][0], 1.0);
QCOMPARE(i3[0][0], 1.0);
QCOMPARE(i3[0], ps[1]);
QVERIFY(i==i);
QVERIFY(i!=i2);
QVERIFY(i<i2);
QVERIFY(i<=i2);
QVERIFY(i2>i);
QVERIFY(i2>=i);
// See t_iterator for const_iterator COMP iterator
i= ps.begin();
i2= ps.constBegin();
QCOMPARE(i, i2++);
QCOMPARE(*i2, ps[1]);
QCOMPARE(++i, i2);
QCOMPARE(i, i2--);
QCOMPARE(i2, ps.constBegin());
QCOMPARE(--i, i2);
QCOMPARE(i2+=3, ps.constEnd());
QCOMPARE(i2-=3, ps.constBegin());
QCOMPARE(i2+0, ps.constBegin());
QCOMPARE(i2+3, ps.constEnd());
i2 += 3;
i= i2-0;
QCOMPARE(i, i2);
i= i2-3;
QCOMPARE(i, ps.constBegin());
QCOMPARE(i2-i, 3);
// QhullPoints is const-only
}//t_const_iterator
void QhullPoints_test::
t_search()
{
Qhull q;
coordT c[]= {0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 0, 1};
QhullPoints ps(q, 2, 8, c); //2-d array of 4 points
QhullPoint p= ps.first();
QhullPoint p2= ps.last();
QVERIFY(ps.contains(p));
QVERIFY(ps.contains(p2));
QVERIFY(p==p2);
QhullPoint p5= ps[2];
QVERIFY(p!=p5);
QVERIFY(ps.contains(p5));
coordT c2[]= {0.0, 1.0, 2.0, 3.0};
QhullPoint p3(q, 2, c2); //2-d point
QVERIFY(ps.contains(p3));
QhullPoint p4(q, 3, c2); //3-d point
QVERIFY(!ps.contains(p4));
p4.defineAs(2, c); //2-d point
QVERIFY(ps.contains(p4));
p4.defineAs(2, c+1); //2-d point
QVERIFY(!ps.contains(p4));
QhullPoint p6(q, 2, c2+2); //2-d point
QCOMPARE(ps.count(p), 2);
QCOMPARE(ps.count(p2), 2);
QCOMPARE(ps.count(p3), 2);
QCOMPARE(ps.count(p4), 0);
QCOMPARE(ps.count(p6), 1);
QCOMPARE(ps.indexOf(&ps[0][0]), 0);
//QCOMPARE(ps.indexOf(ps.end()), -1); //ps.end() is a QhullPoint which may match
QCOMPARE(ps.indexOf(0), -1);
QCOMPARE(ps.indexOf(&ps[3][0]), 3);
QCOMPARE(ps.indexOf(&ps[3][1], QhullError::NOthrow), 3);
QCOMPARE(ps.indexOf(ps.data()+ps.coordinateCount(), QhullError::NOthrow), -1);
QCOMPARE(ps.indexOf(p), 0);
QCOMPARE(ps.indexOf(p2), 0);
QCOMPARE(ps.indexOf(p3), 0);
QCOMPARE(ps.indexOf(p4), -1);
QCOMPARE(ps.indexOf(p5), 2);
QCOMPARE(ps.indexOf(p6), 1);
QCOMPARE(ps.lastIndexOf(p), 3);
QCOMPARE(ps.lastIndexOf(p4), -1);
QCOMPARE(ps.lastIndexOf(p6), 1);
QhullPoints ps3(q);
QCOMPARE(ps3.indexOf(ps3.data()), -1);
QCOMPARE(ps3.indexOf(ps3.data()+1, QhullError::NOthrow), -1);
QCOMPARE(ps3.indexOf(p), -1);
QCOMPARE(ps3.lastIndexOf(p), -1);
QhullPoints ps4(q, 2, 0, c);
QCOMPARE(ps4.indexOf(p), -1);
QCOMPARE(ps4.lastIndexOf(p), -1);
}//t_search
void QhullPoints_test::
t_points_iterator()
{
Qhull q;
coordT c2[]= {0.0};
QhullPoints ps2(q, 0, 0, c2); // 0-dimensional
QhullPointsIterator i2= ps2;
QVERIFY(!i2.hasNext());
QVERIFY(!i2.hasPrevious());
i2.toBack();
QVERIFY(!i2.hasNext());
QVERIFY(!i2.hasPrevious());
coordT c[]= {0.0, 1.0, 2.0, 3.0, 4.0, 5.0};
QhullPoints ps(q, 3, 6, c); // 3-dimensional
QhullPointsIterator i(ps);
i2= ps;
QVERIFY(i2.hasNext());
QVERIFY(!i2.hasPrevious());
QVERIFY(i.hasNext());
QVERIFY(!i.hasPrevious());
i2.toBack();
i.toFront();
QVERIFY(!i2.hasNext());
QVERIFY(i2.hasPrevious());
QVERIFY(i.hasNext());
QVERIFY(!i.hasPrevious());
QhullPoint p= ps[0];
QhullPoint p2(ps[0]);
QCOMPARE(p, p2);
QVERIFY(p==p2);
QhullPoint p3(ps[1]);
// p2[0]= 0.0;
QVERIFY(p==p2);
QCOMPARE(i2.peekPrevious(), p3);
QCOMPARE(i2.previous(), p3);
QCOMPARE(i2.previous(), p);
QVERIFY(!i2.hasPrevious());
QCOMPARE(i.peekNext(), p);
// i.peekNext()= 1.0; // compiler error
QCOMPARE(i.next(), p);
QCOMPARE(i.peekNext(), p3);
QCOMPARE(i.next(), p3);
QVERIFY(!i.hasNext());
i.toFront();
QCOMPARE(i.next(), p);
}//t_points_iterator
void QhullPoints_test::
t_io()
{
Qhull q;
QhullPoints ps(q);
ostringstream os;
os << "Empty QhullPoints\n" << ps << endl;
coordT c[]= {0.0, 1.0, 2.0, 3.0, 4.0, 5.0};
QhullPoints ps2(q, 3, 6, c); // 3-dimensional explicit
os << "QhullPoints from c[]\n" << ps2 << endl;
RboxPoints rcube("c");
Qhull q2(rcube,"Qt QR0"); // triangulation of rotated unit cube
QhullPoints ps3= q2.points();
os << "QhullPoints\n" << ps3;
os << ps3.print("message\n");
os << ps3.printWithIdentifier("w/ identifiers\n");
cout << os.str();
QString s= QString::fromStdString(os.str());
QCOMPARE(s.count("p"), 8+1);
}//t_io
}//orgQhull
#include "moc/QhullPoints_test.moc"

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