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/**
* $Id$
*
* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
*
* 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. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
*/
#include "KX_TimeLogger.h"
KX_TimeLogger::KX_TimeLogger(unsigned int maxNumMeasurements)
: m_maxNumMeasurements(maxNumMeasurements), m_logging(false), m_logStart(0)
{
}
KX_TimeLogger::~KX_TimeLogger(void)
{
}
void KX_TimeLogger::SetMaxNumMeasurements(unsigned int maxNumMeasurements)
{
if ((m_maxNumMeasurements != maxNumMeasurements) && maxNumMeasurements) {
// Actual removing is done in NextMeasurement()
m_maxNumMeasurements = maxNumMeasurements;
}
}
unsigned int KX_TimeLogger::GetMaxNumMeasurements(void) const
{
return m_maxNumMeasurements;
}
void KX_TimeLogger::StartLog(double now)
{
if (!m_logging) {
m_logging = true;
m_logStart = now;
}
}
void KX_TimeLogger::EndLog(double now)
{
if (m_logging) {
m_logging = false;
double time = now - m_logStart;
if (m_measurements.size() > 0) {
m_measurements[0] += time;
}
}
}
void KX_TimeLogger::NextMeasurement(double now)
{
// End logging to current measurement
EndLog(now);
// Add a new measurement at the front
double m = 0.;
m_measurements.push_front(m);
// Remove measurement if we grow beyond the maximum size
if ((m_measurements.size()) > m_maxNumMeasurements) {
while (m_measurements.size() > m_maxNumMeasurements) {
m_measurements.pop_back();
}
}
}
double KX_TimeLogger::GetAverage(void) const
{
double avg = 0.;
unsigned int numMeasurements = m_measurements.size();
if (numMeasurements > 1) {
for (int i = 1; i < numMeasurements; i++) {
avg += m_measurements[i];
}
avg /= (float)numMeasurements - 1;
}
return avg;
}
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