/usr/include/votca/tools/histogram.h is in libvotca-tools-dev 1.4.1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright 2009-2011 The VOTCA Development Team (http://www.votca.org)
*
* 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 _histogram_H
#define _histogram_H
#include <iostream>
#include <vector>
#include "datacollection.h"
#include <limits>
#include <cmath>
namespace votca { namespace tools {
using namespace std;
/**
\brief class to generate histograms
This class produces a histogram out of a vector of values. This class
is obsolate and only used in csg_boltzman. Use HistogramNew instead!
*/
class Histogram
{
public:
struct options_t;
/// constructor
Histogram(options_t op);
Histogram();
/// destructor
~Histogram();
/**
process data and generate histogram
*/
void ProcessData(DataCollection<double>::selection *data);
/// returns the minimum value
double getMin() const {return _min; }
/// return the maximum value
double getMax() const {return _max; }
/// return the number of grid points
double getN() const {return _options._n; }
vector<double> &getPdf() {return _pdf; }
double getInterval() const { return _interval; }
void Normalize(void);
struct options_t {
int _n;
bool _auto_interval;
bool _extend_interval;
double _min, _max;
bool _periodic;
bool _normalize;
string _scale;
options_t() {
_n=101;
_auto_interval = true;
_extend_interval = false;
_min = 0.; _max = 1.;
_periodic = false;
_normalize = true;
_scale = "no";
}
};
private:
vector<double> _pdf;
double _min, _max;
double _interval;
options_t _options;
};
inline ostream& operator<<(ostream& out, Histogram &h)
{
for(int i=0; i<h.getN(); i++) {
out << h.getMin() + h.getInterval()*((double)i+0.0) << " " << h.getPdf()[i] << endl;
}
return out;
}
}}
#endif /* _histogram_H */
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