halfspaceD3test Class Reference

Test the 3D half space class. More...

#include <halfspaceD3test.h>

List of all members.

Static Public Member Functions
static void	test01 ()
	Basic 3D half space test.
static void	test02 ()
	Test distancefromhalfspace.
static void	test03 (int argc, char **argv)
	Look at halfspaceD3 and halfspaceD3indexed.

---

Detailed Description

Test the 3D half space class.

Definition at line 7 of file halfspaceD3test.h.

---

Member Function Documentation

void halfspaceD3test::test01

(

)

[static]

Basic 3D half space test.

Definition at line 16 of file halfspaceD3test.cpp.

References halfspaceD3< PT, PD >::isInside(), halfspaceD3< PT, PD >::isInsideOrOnBoundary(), halfspaceD3< PT, PD >::normal, and SHOW.

Referenced by main().

{
  typedef point3<double> pt3;

  pt3 p0(0.0,0.0,0.0);
  pt3 p1(0.0,0.0,1.0);
  pt3 p2(1.0,0.0,0.0);


  halfspaceD3<pt3,double> h1(p0,p1,p2);

  cout << endl;
  cout << "Half space (plane) from the ordered points." << endl;
  cout << SHOW(p0) << endl;
  cout << SHOW(p1) << endl;
  cout << SHOW(p2) << endl;
  cout << SHOW(h1.normal) << endl;

  cout << "Enter a point: ";
  
  pt3 p;
  cin >> p;

  cout << SHOW(h1.isInside(p)) << endl;
  cout << SHOW(h1.isInsideOrOnBoundary(p)) << endl;

}

void halfspaceD3test::test02

(

)

[static]

Test distancefromhalfspace.

Definition at line 44 of file halfspaceD3test.cpp.

References halfspaceD3< PT, PD >::distancefromhalfspace(), halfspaceD3< PT, PD >::normal, and SHOW.

Referenced by main().

{
  typedef point3<double> pt3;

  pt3 p0(0.0,0.0,0.0);
  pt3 p1(0.0,0.0,1.0);
  pt3 p2(1.0,0.0,0.0);
  halfspaceD3<pt3,double> h1(p0,p1,p2);

  cout << endl;
  cout << "Half space (plane) from the ordered points." << endl;
  cout << SHOW(p0) << endl;
  cout << SHOW(p1) << endl;
  cout << SHOW(p2) << endl;

  cout << SHOW(h1.normal) << endl;

  cout << "Enter a point: ";
  
  pt3 p;
  cin >> p;

  cout << SHOW(h1.distancefromhalfspace(p)) << endl;


}

void halfspaceD3test::test03	(	int	argc,
		char **	argv
	)			[static]

Look at halfspaceD3 and halfspaceD3indexed.

Definition at line 71 of file halfspaceD3test.cpp.

References aclock::diff_ms(), commandline::mapvar(), aclock::measure(), pts, r, and SHOW.

Referenced by main().

{
  typedef point3<double> pt3;

  random11<> r;

  pt3 pts0[3] = 
  { 
    pt3(r(),r(),r()),
    pt3(r(),r(),r()),
    pt3(r(),r(),r())
//    pt3(0.0,0.0,0.0), 
//    pt3(0.0,0.0,1.0),
//    pt3(1.0,0.0,0.0)
  };

  halfspaceD3<pt3,double> h1(pts0,0,1,2);
  cout << SHOW(sizeof(h1)) << endl;

  halfspaceD3indexed<pt3,double,uint> h2(pts0,0,1,2);
  cout << SHOW(sizeof(h2)) << endl;

  halfspaceD3indexedfull<pt3,double,uint> h3(pts0,0,1,2);
  cout << SHOW(sizeof(h3)) << endl;


  commandline cmd(argc,argv);

  uint N(1000);
  cmd.mapvar(N,"N");

  vector< pt3 > pts(N);
  for (uint i=0; i<N; ++i)
    pts[i] = pt3(r(),r(),r());

  uint count[3];

  partitionspace<pt3>* part[3];
  part[0] = & h1;
  part[1] = & h2;
  part[2] = & h3;

  for (uint k=0; k<3; ++k)
  {
    count[k]=0;

    aclock ac;
    ac.measure();

    for (uint i=0; i<N; ++i)
    {
      if ( part[k]->isInside( pts[i] ) )
        ++count[k];
    }

    ac.measure();
    cout << "The event took " << ac.diff_ms() << "ms" << endl;
  }

  cout << SHOW(count[0]) << endl;

  assert(count[0]==count[1]);
}

---

The documentation for this class was generated from the following files:

• mathlib/halfspaceD3test.h
• mathlib/halfspaceD3test.cpp