functionObjects.h

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/****************************************************************************
**
** Copyright (c) 2008-2015 C.B. Barber. All rights reserved.
** $Id: //main/2015/qhull/src/libqhullcpp/functionObjects.h#1 $$Change: 1981 $
** $DateTime: 2015/09/28 20:26:32 $$Author: bbarber $
**
****************************************************************************/
 
#ifndef QHFUNCTIONOBJECTS_H
#define QHFUNCTIONOBJECTS_H
 
#include <stdlib.h>
#include <math.h>
 
namespace orgQhull {
 
#
 
    class AbsoluteSumOf;
    class SumOf;
    class SumSquaresOf;
 
#
 
class AbsoluteSumOf
{
private:
    double sum;
public:
    inline AbsoluteSumOf() : sum(0.0) {}
    inline void operator()(double v) { sum += fabs(v); }
    inline operator double() { return sum; }
};//AbsoluteSumOf
 
class SumOf
{
private:
    double sum;
public:
    inline SumOf() : sum(0.0) {}
    inline void operator()(double v) { sum += v; }
    inline operator double() { return sum; }
};//SumOf
 
 
class SumSquaresOf
{
private:
    double sum;
public:
    inline SumSquaresOf() : sum(0.0) {}
    inline void operator()(double v) { sum += v*v; }
    inline operator double() { return sum; }
};//SumSquaresOf
 
 
}//orgQhull
 
 
#endif //QHFUNCTIONOBJECTS_H