moCoolSched and moEasyCoolSched are deleted, moExponentialCoolingSchedule and moLinearCoolingSchedule are added

git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@275 331e1502-861f-0410-8da2-ba01fb791d7f

trunk/paradiseo-mo/src/moExponentialCoolingSchedule.h

@@ -0,0 +1,55 @@
+// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
+
+// "moExponentialCoolingSchedule.h"
+
+// (c) OPAC Team, LIFL, 2003-2007
+
+/* LICENCE TEXT
+   
+   Contact: paradiseo-help@lists.gforge.inria.fr
+*/
+
+#ifndef __moExponentialCoolingSchedule_h
+#define __moExponentialCoolingSchedule_h
+
+#include "moCoolingSchedule.h"
+
+//! One of the possible moCoolingSchedule
+/*!
+  An other very simple cooling schedule, the temperature decrease according to a ratio while
+  the temperature is greater than a given threshold.
+ */
+class moExponentialCoolingSchedule: public moCoolingSchedule
+{
+
+public:
+  //! Simple constructor
+  /*!
+     \param __threshold the threshold.
+     \param __ratio the ratio used to descrease the temperature.
+   */
+  moExponentialCoolingSchedule (double __threshold, double __ratio):threshold (__threshold), ratio (__ratio)
+  {}
+
+  //! Function which proceeds to the cooling.
+  /*!
+     It decreases 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