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/*-
* Copyright 2011-2012 Diomidis Spinellis
*
* 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.
*/

#ifndef ENTROPY_H
#define ENTROPY_H

#include "Partition.h"

// Return the Shannon entropy of a probability vector P
// See http://www.scholarpedia.org/article/Entropy#Shannon_entropy
template <typename T> double H(const T &p);

// Return the Shannon entropy of the specified partition of a set of npoints
double H(const Partition &part);

#endif /* ENTROPY_H */
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