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/*=========================================================================
Program: Visualization Toolkit
Module: otherArrays.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.
=========================================================================*/
#include "vtkSMPThreadLocal.h"
#include "vtkNew.h"
#include "vtkObject.h"
#include "vtkObjectFactory.h"
#include "vtkSMPTools.h"
#include "vtkSMPThreadLocalObject.h"
#include <functional>
#include <vector>
static const int Target = 10000;
class ARangeFunctor
{
public:
vtkSMPThreadLocal<int> Counter;
ARangeFunctor(): Counter(0)
{
}
void operator()(vtkIdType begin, vtkIdType end)
{
for (int i=begin; i<end; i++)
this->Counter.Local()++;
}
};
class MyVTKClass : public vtkObject
{
int Value;
MyVTKClass() : Value(0)
{
}
public:
vtkTypeMacro(MyVTKClass, vtkObject);
static MyVTKClass* New();
void SetInitialValue(int value)
{
this->Value = value;
}
int GetValue()
{
return this->Value;
}
void Increment()
{
this->Value++;
}
};
vtkStandardNewMacro(MyVTKClass);
class InitializableFunctor
{
public:
vtkSMPThreadLocalObject<MyVTKClass> CounterObject;
void Initialize()
{
CounterObject.Local()->SetInitialValue(5);
}
void operator()(vtkIdType begin, vtkIdType end)
{
for (int i=begin; i<end; i++)
this->CounterObject.Local()->Increment();
}
void Reduce()
{
}
};
// For sorting comparison
bool myComp (double a, double b) { return (a<b); }
int TestSMP(int, char*[])
{
//vtkSMPTools::Initialize(8);
ARangeFunctor functor1;
vtkSMPTools::For(0, Target, functor1);
vtkSMPThreadLocal<int>::iterator itr1 = functor1.Counter.begin();
vtkSMPThreadLocal<int>::iterator end1 = functor1.Counter.end();
int total = 0;
while(itr1 != end1)
{
total += *itr1;
++itr1;
}
if (total != Target)
{
cerr << "Error: ARangeFunctor did not generate " << Target << endl;
return 1;
}
InitializableFunctor functor2;
vtkSMPTools::For(0, Target, functor2);
vtkSMPThreadLocalObject<MyVTKClass>::iterator itr2 = functor2.CounterObject.begin();
vtkSMPThreadLocalObject<MyVTKClass>::iterator end2 = functor2.CounterObject.end();
int newTarget = Target;
total = 0;
while(itr2 != end2)
{
newTarget += 5; // This is the initial value of each object
total += (*itr2)->GetValue();
++itr2;
}
if (total != newTarget)
{
cerr << "Error: InitializableRangeFunctor did not generate " << newTarget << endl;
return 1;
}
// Test sorting
double data0[] = {2,1,0,3,9,6,7,3,8,4,5};
std::vector<double> myvector (data0, data0+11);
double data1[] = {2,1,0,3,9,6,7,3,8,4,5};
double sdata[] = {0,1,2,3,3,4,5,6,7,8,9};
// using default comparison (operator <):
vtkSMPTools::Sort(myvector.begin(), myvector.begin()+11);
for (int i=0; i<11; ++i)
{
if ( myvector[i] != sdata[i] )
{
cerr << "Error: Bad vector sort!" << endl;
return 1;
}
}
vtkSMPTools::Sort(data1,data1+11,myComp);
for (int i=0; i<11; ++i)
{
if ( data1[i] != sdata[i] )
{
cerr << "Error: Bad comparison sort!" << endl;
return 1;
}
}
return 0;
}
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