Find file
Fetching contributors…
Cannot retrieve contributors at this time
34 lines (30 sloc) 1.02 KB
/* The following code example is taken from the book
* "C++ Templates - The Complete Guide"
* by David Vandevoorde and Nicolai M. Josuttis, Addison-Wesley, 2002
*
* (C) Copyright David Vandevoorde and Nicolai M. Josuttis 2002.
* Permission to copy, use, modify, sell and distribute this software
* is granted provided this copyright notice appears in all copies.
* This software is provided "as is" without express or implied
* warranty, and with no claim as to its suitability for any purpose.
*/
#ifndef ACCUM_HPP
#define ACCUM_HPP
#include "accumtraits4.hpp"
#include "sumpolicy3.hpp"
template <typename T,
typename Policy = SumPolicy<>,
typename Traits = AccumulationTraits<T> >
class Accum {
public:
typedef typename Traits::AccT AccT;
static AccT accum (T const* beg, T const* end) {
AccT total = Traits::zero();
while (beg != end) {
Policy::accumulate(total, *beg);
++beg;
}
return total;
}
};
#endif // ACCUM_HPP