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_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
