void QhullHyperplane_test::
t_value()
{
RboxPoints rcube("c G1");
Qhull q(rcube,"Qt QR0"); // triangulation of rotated unit cube
const QhullHyperplane h= q.firstFacet().hyperplane();
double dist= h.distance(q.origin());
QCOMPARE(dist, -1.0);
double norm= h.norm();
QCOMPARE(norm, 1.0);
}//t_value
void QhullHyperplane_test::
t_operator()
{
RboxPoints rcube("c");
Qhull q(rcube,"Qt QR0"); // triangulation of rotated unit cube
const QhullHyperplane h= q.firstFacet().hyperplane();
//operator== and operator!= tested elsewhere
const coordT *c= h.coordinates();
for(int k=h.dimension(); k--; ){
QCOMPARE(c[k], h[k]);
}
//h[0]= 10.0; // compiler error, const
QhullHyperplane h2= q.firstFacet().hyperplane();
h2[0]= 10.0; // Overwrites Hyperplane coordinate!
QCOMPARE(h2[0], 10.0);
}//t_operator
void QhullHyperplane_test::
t_qhullHyperplane_iterator()
{
QhullHyperplane h2;
QhullHyperplaneIterator i= h2;
QCOMPARE(h2.dimension(), 0);
QVERIFY(!i.hasNext());
QVERIFY(!i.hasPrevious());
i.toBack();
QVERIFY(!i.hasNext());
QVERIFY(!i.hasPrevious());
RboxPoints rcube("c");
Qhull q(rcube,"QR0"); // rotated unit cube
QhullHyperplane h = q.firstFacet().hyperplane();
QhullHyperplaneIterator i2(h);
QCOMPARE(h.dimension(), 3);
i= h;
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());
// i at front, i2 at end/back, 3 coordinates
QCOMPARE(i.peekNext(), h[0]);
QCOMPARE(i2.peekPrevious(), h[2]);
QCOMPARE(i2.previous(), h[2]);
QCOMPARE(i2.previous(), h[1]);
QCOMPARE(i2.previous(), h[0]);
QVERIFY(!i2.hasPrevious());
QCOMPARE(i.peekNext(), h[0]);
// i.peekNext()= 1.0; // compiler error, i is const
QCOMPARE(i.next(), h[0]);
QCOMPARE(i.peekNext(), h[1]);
QCOMPARE(i.next(), h[1]);
QCOMPARE(i.next(), h[2]);
QVERIFY(!i.hasNext());
i.toFront();
QCOMPARE(i.next(), h[0]);
}//t_qhullHyperplane_iterator
void QhullHyperplane_test::
t_value()
{
RboxPoints rcube("c G1");
Qhull q(rcube,"Qt QR0"); // triangulation of rotated unit cube
QhullFacet f= q.firstFacet();
QhullFacet f2= f.neighborFacets().at(0);
const QhullHyperplane h= f.hyperplane();
const QhullHyperplane h2= f2.hyperplane(); // At right angles
double dist= h.distance(q.origin());
QCOMPARE(dist, -1.0);
double norm= h.norm();
QCOMPARE(norm, 1.0);
double angle= h.hyperplaneAngle(h2);
cout << "angle " << angle << endl;
QCOMPARE(angle+1.0, 1.0); // qFuzzyCompare does not work for 0.0
QVERIFY(h==h);
QVERIFY(h!=h2);
}//t_value
void QhullHyperplane_test::
t_construct()
{
// Qhull.runQhull() constructs QhullFacets as facetT
QhullHyperplane h;
QVERIFY(!h.isDefined());
QCOMPARE(h.dimension(),0);
QCOMPARE(h.coordinates(),static_cast<double *>(0));
RboxPoints rcube("c");
Qhull q(rcube,"Qt QR0"); // triangulation of rotated unit cube
QhullFacet f= q.firstFacet();
QhullHyperplane h2(f.hyperplane());
QVERIFY(h2.isDefined());
QCOMPARE(h2.dimension(),3);
// h= h2; // copy assignment disabled, ambiguous
QhullHyperplane h3(h2.dimension(), h2.coordinates(), h2.offset());
QCOMPARE(h2, h3);
QhullHyperplane h5= h2; // copy constructor
QVERIFY(h5==h2);
}//t_construct