52 lines
1.2 KiB
C++
52 lines
1.2 KiB
C++
/*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*
|
|
* Copyright 2010 Danny Robson <danny@nerdcruft.net>
|
|
*/
|
|
|
|
#ifndef __UTIL_STATS_HPP
|
|
#define __UTIL_STATS_HPP
|
|
|
|
#include <iosfwd>
|
|
|
|
|
|
namespace util {
|
|
namespace stats {
|
|
// Undefined until at least one value has been added.
|
|
|
|
template <typename T>
|
|
struct accumulator {
|
|
accumulator ();
|
|
|
|
void reset (void);
|
|
|
|
void add (T);
|
|
void add (const accumulator<T> &);
|
|
|
|
size_t count;
|
|
|
|
T min;
|
|
T max;
|
|
T sum;
|
|
|
|
T range (void) const;
|
|
T mean (void) const;
|
|
};
|
|
|
|
template <typename T>
|
|
std::ostream& operator<< (std::ostream&, const accumulator<T>&);
|
|
}
|
|
}
|
|
|
|
#endif
|