view base/HitCount.h @ 1394:9ef1cc26024c

Add Range01 normalisation method to ColumnOp. This is the normalisation that is actually used in the Colour 3D Plot layer historically when column normalisation is enabled (not Max1 after all).

/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */

/*
    Sonic Visualiser
    An audio file viewer and annotation editor.
    Centre for Digital Music, Queen Mary, University of London.
    
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
    published by the Free Software Foundation; either version 2 of the
    License, or (at your option) any later version.  See the file
    COPYING included with this distribution for more information.
*/

#ifndef HIT_COUNT_H
#define HIT_COUNT_H

#include <string>
#include <iostream>

/**
 * Profile class for counting cache hits and the like.
 */
class HitCount
{
public:
    HitCount(std::string name) :
	m_name(name),
	m_hit(0),
	m_partial(0),
	m_miss(0)
    { }
    
    ~HitCount() {
#ifndef NO_HIT_COUNTS
	using namespace std;
	int total = m_hit + m_partial + m_miss;
	cerr << "Hit count: " << m_name << ": ";
	if (m_partial > 0) {
	    cerr << m_hit << " hits, " << m_partial << " partial, "
		 << m_miss << " misses";
	} else {
	    cerr << m_hit << " hits, " << m_miss << " misses";
	}
	if (total > 0) {
	    if (m_partial > 0) {
		cerr << " (" << ((m_hit * 100.0) / total) << "%, "
		     << ((m_partial * 100.0) / total) << "%, "
		     << ((m_miss * 100.0) / total) << "%)";
	    } else {
		cerr << " (" << ((m_hit * 100.0) / total) << "%, "
		     << ((m_miss * 100.0) / total) << "%)";
	    }
	}
	cerr << endl;
#endif
    }

    void hit() { ++m_hit; }
    void partial() { ++m_partial; }
    void miss() { ++m_miss; }

private:
    std::string m_name;
    int m_hit;
    int m_partial;
    int m_miss;
};

#endif