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// Copyright (c) 2009-2011, Tor M. Aamodt, Wilson W.L. Fung, Ali Bakhoda
// The University of British Columbia
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
// Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution. Neither the name of
// The University of British Columbia nor the names of its contributors may be
// used to endorse or promote products derived from this software without
// specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
#ifndef HISTOGRAM_H
#define HISTOGRAM_H
#ifdef __cplusplus
#include <stdio.h>
#include <string>
class binned_histogram {
public:
// creators
binned_histogram(std::string name = "", int nbins = 32, int* bins = NULL);
binned_histogram(const binned_histogram& other);
virtual ~binned_histogram();
// modifiers:
void reset_bins();
void add2bin(int sample);
// accessors:
void fprint(FILE* fout) const;
protected:
std::string m_name;
int m_nbins;
int* m_bins; // bin boundaries
int* m_bin_cnts; // counters
int m_maximum; // the maximum sample
signed long long int m_sum; // for calculating the average
};
class pow2_histogram : public binned_histogram {
public:
pow2_histogram(std::string name = "", int nbins = 32, int* bins = NULL);
~pow2_histogram() {}
void add2bin(int sample);
};
class linear_histogram : public binned_histogram {
public:
linear_histogram(int stride = 1, const char* name = NULL, int nbins = 32,
int* bins = NULL);
~linear_histogram() {}
void add2bin(int sample);
private:
int m_stride;
};
#endif
#endif /* HISTOGRAM_H */
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