Mak: Added the eoQuadratic Op and more ... (and I hate VI)
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13 changed files with 1247 additions and 1124 deletions
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@ -1,78 +1,68 @@
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// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
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//-----------------------------------------------------------------------------
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// eoStochTournament.h
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// (c) GeNeura Team, 1998 - EEAAX 1999
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/*
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Contact: todos@geneura.ugr.es, http://geneura.ugr.es
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Marc.Schoenauer@polytechnique.fr
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*/
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//-----------------------------------------------------------------------------
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#ifndef eoStochTournament_h
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#define eoStochTournament_h
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//-----------------------------------------------------------------------------
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#include <functional> //
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#include <numeric> // accumulate
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#include <eoPopOps.h> // eoPop eoSelect MINFLOAT
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#include <eoRNG.h>
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//-----------------------------------------------------------------------------
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/** eoStochTournament: a selection method that selects ONE individual by
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binary stochastic tournament
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-MS- 24/10/99 */
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//-----------------------------------------------------------------------------
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template <class EOT> class eoStochTournament: public eoSelectOne<EOT>
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{
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public:
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///
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eoStochTournament(float _Trate = 1.0 ):eoSelectOne(), Trate(_Trate) {
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// consistency check
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if (Trate < 0.5) {
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cerr << "Warning, Tournament rate should be > 0.5\nAdjusted to 0.55\n";
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Trate = 0.55;
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}
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}
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/** DANGER: if you want to be able to minimize as well as maximizem
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DON'T cast the fitness to a float, use the EOT comparator! */
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virtual const EOT& operator()(const eoPop<EOT>& pop) {
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unsigned i1 = rng.random(pop.size()),
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i2 = rng.random(pop.size());
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bool ok = ( rng.flip(Trate) );
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if (pop[i1] < pop[ i2 ] ) {
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if (ok) return pop[ i2 ];
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else return pop[ i1 ];
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}
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else {
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if (ok) return pop[ i1 ];
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else return pop[ i2 ];
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}
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}
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private:
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float Trate;
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};
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//-----------------------------------------------------------------------------
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#endif eoDetTournament_h
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// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
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//-----------------------------------------------------------------------------
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// eoStochTournament.h
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// (c) GeNeura Team, 1998 - EEAAX 1999
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/*
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Contact: todos@geneura.ugr.es, http://geneura.ugr.es
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Marc.Schoenauer@polytechnique.fr
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*/
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//-----------------------------------------------------------------------------
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#ifndef eoStochTournament_h
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#define eoStochTournament_h
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//-----------------------------------------------------------------------------
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#include <functional> //
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#include <numeric> // accumulate
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#include <eoPopOps.h> // eoPop eoSelect MINFLOAT
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#include <eoRNG.h>
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//-----------------------------------------------------------------------------
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/** eoStochTournament: a selection method that selects ONE individual by
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binary stochastic tournament
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-MS- 24/10/99 */
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//-----------------------------------------------------------------------------
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template <class EOT> class eoStochTournament: public eoSelectOne<EOT>
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{
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public:
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///
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eoStochTournament(float _Trate = 1.0 ):eoSelectOne<EOT>(), Trate(_Trate) {
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// consistency check
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if (Trate < 0.5) {
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cerr << "Warning, Tournament rate should be > 0.5\nAdjusted to 0.55\n";
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Trate = 0.55;
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}
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}
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/** DANGER: if you want to be able to minimize as well as maximizem
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DON'T cast the fitness to a float, use the EOT comparator! */
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virtual const EOT& operator()(const eoPop<EOT>& pop)
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{
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return stochastic_tournament(pop, Trate)();
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}
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private:
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float Trate;
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};
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//-----------------------------------------------------------------------------
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#endif eoDetTournament_h
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