source: tol/tol_pkg/MatQuery/test/test_0001/test.tol @ aa1e2cc

/* -*- mode: C++ -*- */
//////////////////////////////////////////////////////////////////////////////
// FILE   : test.tol
// PURPOSE: Package MatQuery test
//////////////////////////////////////////////////////////////////////////////

Text email_ = "vdebuen@tol-project.org"; 
Text link_ = ""; 
Text summary_ = "checking matrix row selection";

  #Require MatQuery;
//#Embed "../../../_embed_all.tol";

//Write here the initial test TOL code if needed
Real numErr0 = Copy(NError);
Real numWar0 = Copy(NWarning);

//Random seed setting
Real PutRandomSeed(0);
Real rndSeed = GetRandomSeed(0);
WriteLn("Current Random Seed = "<<rndSeed);


//The order of magnitude required for number of geographic points
Real point.num.approx = 20000;
//Number of cities
Real city.num = 500;
//Distance around targets
Real distance = 2000;
//Factor of Country size respect dtarget distance
Real coordFactor = 400;
//Distance of points inside a city
Real cityInsideDistance = distance / 4;

//Country dimensions
Real coord.min = -distance*coordFactor;
Real coord.max = +distance*coordFactor;

//Log-Normal random generation of number of point by city
Matrix city.points.num = 
{ 
  Real sigma = 0.9995;
  Real ratio = point.num.approx/city.num;
  Real nu = Log(ratio)-0.5*sigma^2;
  Round(Exp(Gaussian(city.num,1,nu,0.99995))) 
};
Matrix city.points.freq = Frequency(city.points.num,100);

//Exact number of geographic points
Real point.num = MatSum(city.points.num);

//Locations of cities
Matrix city.center = BinGroup("<<",For(1,city.num, Matrix(Real city)
{
  Rand(1, 2, coord.min, coord.max)
}));

//Locations of points inside each city as gaussian around the center
Set city.points = For(1,city.num, Matrix(Real city)
{
  Real n = MatDat(city.points.num,city,1); 
  Real x = MatDat(city.center,city,1);
  Real y = MatDat(city.center,city,2);
  Matrix X = Rand(n,1,x,x);
  Matrix Y = Rand(n,1,y,y);
  (X|Y)+Gaussian(n, 2, 0, cityInsideDistance)
});

//All points
VMatrix points = Mat2VMat(BinGroup("<<",city.points));


//Target point
VMatrix p0 = SubRow(points,[[IntRand(1,point.num)]])+
           Gaussian(1, 2, 0, cityInsideDistance);

Real t0 = Copy(Time);
//Selecting neighbors of target in an hipercube
WriteLn("SelectRowsInHyperCube full ...");
Set p0.select.idx.HC = MatQuery::SelectRowsInHyperCube(
  points, p0, distance);
VMatrix p0.select.HC = SubRow(points,p0.select.idx.HC);

Real t1 = Copy(Time);
WriteLn("SelectRowsInHyperCube full "<<VRows(p0.select.HC)+" items "
  "Time:"<<(t1-t0));

//Selecting neighbors of target in an hipersphere
WriteLn("SelectRowsInHyperSphere full ...");
Set p0.select.idx.HE.1 = MatQuery::SelectRowsInHyperSphere(
  points, p0, distance);
VMatrix p0.select.HE.1 = SubRow(points,p0.select.idx.HE.1);

Real t2 = Copy(Time);
WriteLn("SelectRowsInHyperSphere full "<<VRows(p0.select.HE.1)+" items "
  "Time:"<<(t2-t1));

//Selecting neighbors of target in an hipersphere from the hipercube
WriteLn("SelectRowsInHyperSphere over SelectRowsInHyperCube ...");
Set p0.select.idx.HE.2 = MatQuery::SelectRowsInHyperSphere(
  p0.select.HC, p0, distance);
VMatrix p0.select.HE.2 = SubRow(p0.select.HC,p0.select.idx.HE.2);
Real t3 = Copy(Time);
WriteLn("SelectRowsInHyperSphere over SelectRowsInHyperCube "<<
  VRows(p0.select.HE.2)+" items Time:"<<(t3-t2));
WriteLn("SelectRowsInHyperSphere+SelectRowsInHyperCube Time:"<<(t3-t2+t1-t0));

Real ok.1 = And(
  Card(p0.select.idx.HE.1) <= Card(p0.select.idx.HC),
  Card(p0.select.idx.HE.1   *      p0.select.idx.HC) == 
  Card(p0.select.idx.HE.1));

Real ok.2 = VMatMax(Abs(p0.select.HE.2-p0.select.HE.1))==0;

Real numErr1 = Copy(NError);
Real numWar1 = Copy(NWarning);

Set partialResults_ = [[numErr0, numErr1, 
                        ok.1, ok.2]];

//This is a messure of the success of the test 
Real quality_ = And(numErr1 == numErr0, 
                    numWar1 == numWar0, 
                    ok.1, ok.2);

//Return the results 
Set resultStr_ = @strTestStatus(summary_, link_, quality_,
                  "Partial results = "<<partialResults_,
                  "NO DBServerType", "NO DBServerHost", "NO DBAlias",
                  email_);
WriteLn(""<<resultStr_);
resultStr_;

/* */