29bde011dc
git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@275 331e1502-861f-0410-8da2-ba01fb791d7f
55 lines
1.3 KiB
C++
55 lines
1.3 KiB
C++
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
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// "moExponentialCoolingSchedule.h"
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// (c) OPAC Team, LIFL, 2003-2007
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/* LICENCE TEXT
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Contact: paradiseo-help@lists.gforge.inria.fr
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*/
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#ifndef __moExponentialCoolingSchedule_h
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#define __moExponentialCoolingSchedule_h
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#include "moCoolingSchedule.h"
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//! One of the possible moCoolingSchedule
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/*!
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An other very simple cooling schedule, the temperature decrease according to a ratio while
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the temperature is greater than a given threshold.
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*/
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class moExponentialCoolingSchedule: public moCoolingSchedule
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{
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public:
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//! Simple constructor
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/*!
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\param __threshold the threshold.
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\param __ratio the ratio used to descrease the temperature.
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*/
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moExponentialCoolingSchedule (double __threshold, double __ratio):threshold (__threshold), ratio (__ratio)
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{}
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//! Function which proceeds to the cooling.
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/*!
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It decreases the temperature and indicates if it is greater than the threshold.
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\param __temp the current temperature.
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\return if the new temperature (current temperature * ratio) is greater than the threshold.
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*/
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bool operator() (double &__temp)
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{
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return (__temp *= ratio) > threshold;
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}
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private:
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//! The temperature threhold.
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double threshold;
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//! The decreasing factor of the temperature.
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double ratio;
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};
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#endif
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