paradiseo/trunk/paradiseo-mo/src/moEasyCoolSched.h

60 lines
1.2 KiB
C++
Executable file

// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "moEasyCoolSched.h"
// (c) OPAC Team, LIFL, 2003-2006
/* LICENCE TEXT
Contact: paradiseo-help@lists.gforge.inria.fr
*/
#ifndef __moEasyCoolSched_h
#define __moEasyCoolSched_h
#include "moCoolSched.h"
//! One of the possible moCoolSched
/*!
The simpliest, the temperature decrease according to a ratio until
it greater than a threshold.
*/
class moEasyCoolSched:public moCoolSched
{
public:
//! Simple constructor
/*!
\param __threshold the threshold.
\param __ratio the ratio used to descrease the temperature.
*/
moEasyCoolSched (double __threshold,
double __ratio):threshold (__threshold), ratio (__ratio)
{
}
//! Function which proceeds to the cooling.
/*!
Decrease the temperature and indicates if it is greater than the threshold.
\param __temp the current temperature.
\return if the new temperature (current temperature * ratio) is greater than the threshold.
*/
bool operator () (double &__temp)
{
return (__temp *= ratio) > threshold;
}
private:
//! The temperature threhold.
double threshold;
//! The decreasing factor of the temperature.
double ratio;
};
#endif