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/*=========================================================================
Program: Visualization Toolkit
Module: TestSortDataArray.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
/*
* Copyright 2004 Sandia Corporation.
* Under the terms of Contract DE-AC04-94AL85000, there is a non-exclusive
* license for use of this work by or on behalf of the
* U.S. Government. Redistribution and use in source and binary forms, with
* or without modification, are permitted provided that this Notice and any
* statement of authorship are reproduced on all copies.
*/
// -*- c++ -*- *******************************************************
#include "vtkSortDataArray.h"
#include "vtkIntArray.h"
#include "vtkMath.h"
#include "vtkTimerLog.h"
#define ARRAY_SIZE (2*1024*1024)
// #define ARRAY_SIZE 128
int TestSortDataArray(int, char *[])
{
vtkIdType i;
vtkTimerLog *timer = vtkTimerLog::New();
cout << "Building array" << endl;
vtkIntArray *keys = vtkIntArray::New();
keys->SetNumberOfComponents(1);
keys->SetNumberOfTuples(ARRAY_SIZE);
for (i = 0; i < ARRAY_SIZE; i++)
{
keys->SetComponent(i, 0, (int)vtkMath::Random(0, ARRAY_SIZE*4));
}
cout << "Sorting array" << endl;
timer->StartTimer();
vtkSortDataArray::Sort(keys);
timer->StopTimer();
cout << "Time to sort array: " << timer->GetElapsedTime() << " sec" << endl;
for (i = 0; i < ARRAY_SIZE-1; i++)
{
if (keys->GetComponent(i, 0) > keys->GetComponent(i+1, 0))
{
cout << "Array not properly sorted!" << endl;
break;
}
}
cout << "Array consistency check finished\n" << endl;
cout << "Sorting sorted array" << endl;
timer->StartTimer();
vtkSortDataArray::Sort(keys);
timer->StopTimer();
cout << "Time to sort array: " << timer->GetElapsedTime() << " sec" << endl;
for (i = 0; i < ARRAY_SIZE-1; i++)
{
if (keys->GetComponent(i, 0) > keys->GetComponent(i+1, 0))
{
cout << "Array not properly sorted!" << endl;
break;
}
}
cout << "Array consistency check finished\n" << endl;
cout << "Building key/value arrays\n" << endl;
vtkIntArray *values = vtkIntArray::New();
values->SetNumberOfComponents(2);
values->SetNumberOfTuples(ARRAY_SIZE);
for (i = 0; i < ARRAY_SIZE; i++)
{
keys->SetComponent(i, 0, (int)vtkMath::Random(0, ARRAY_SIZE*4));
values->SetComponent(i, 0, i);
values->SetComponent(i, 1, (int)vtkMath::Random(0, ARRAY_SIZE*4));
}
vtkIntArray *saveKeys = vtkIntArray::New();
saveKeys->DeepCopy(keys);
vtkIntArray *saveValues = vtkIntArray::New();
saveValues->DeepCopy(values);
cout << "Sorting arrays" << endl;
timer->StartTimer();
vtkSortDataArray::Sort(keys, values);
timer->StopTimer();
cout << "Time to sort array: " << timer->GetElapsedTime() << " sec" << endl;
for (i = 0; i < ARRAY_SIZE-1; i++)
{
int lookup = (int)values->GetComponent(i, 0);
if (keys->GetComponent(i, 0) > keys->GetComponent(i+1, 0))
{
cout << "Array not properly sorted!" << endl;
break;
}
if (keys->GetComponent(i, 0) != saveKeys->GetComponent(lookup, 0))
{
cout << "Values array not consistent with keys array!" << endl;
break;
}
if (values->GetComponent(i, 1) != saveValues->GetComponent(lookup, 1))
{
cout << "Values array not consistent with keys array!" << endl;
break;
}
}
cout << "Array consistency check finished\n" << endl;
cout << "Sorting sorted arrays" << endl;
timer->StartTimer();
vtkSortDataArray::Sort(keys, values);
timer->StopTimer();
cout << "Time to sort array: " << timer->GetElapsedTime() << " sec" << endl;
for (i = 0; i < ARRAY_SIZE-1; i++)
{
int lookup = (int)values->GetComponent(i, 0);
if (keys->GetComponent(i, 0) > keys->GetComponent(i+1, 0))
{
cout << "Array not properly sorted!" << endl;
break;
}
if (keys->GetComponent(i, 0) != saveKeys->GetComponent(lookup, 0))
{
cout << "Values array not consistent with keys array!" << endl;
break;
}
if (values->GetComponent(i, 1) != saveValues->GetComponent(lookup, 1))
{
cout << "Values array not consistent with keys array!" << endl;
break;
}
}
cout << "Array consistency check finished\n" << endl;
timer->Delete();
keys->Delete();
values->Delete();
saveKeys->Delete();
saveValues->Delete();
return 0;
}
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