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