incorporate-qhull

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 {

			#//!\name Defined here

			//! Sum of absolute values of the elements in a container
			class AbsoluteSumOf;
			//! Sum of the elements in a container
			class SumOf;
			//! Sum of squares of the elements in a container
			class SumSquaresOf;

			#//!\name Class

			//! Absolute sum of the elements in a container
			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

			//! Sum of the elements in a container
			class SumOf
			{
			private:
			double sum;
			public:
			inline SumOf() : sum(0.0) {}
			inline void operator()(double v) { sum += v; }
			inline operator double() { return sum; }
			};//SumOf


			//! Sum of squares of the elements in a container
			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