git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@85 331e1502-861f-0410-8da2-ba01fb791d7f

This commit is contained in:
legrand 2006-12-19 08:37:42 +00:00
commit 8af73b559a
58 changed files with 0 additions and 25620 deletions

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SUBDIRS=tsp

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AM_CXXFLAGS =\
-Wall
SUBDIRS=share
INCLUDES = -I${EO_DIR}/src/ -I../../src/
bin_PROGRAMS = hill_climb simul_anneal tabu_search gen_algo mimetic
# Simple Hill Climbing
hill_climb_SOURCES = \
hill_climb.cpp
hill_climb_LDFLAGS =
hill_climb_LDADD = share/libtsp_share.a ${EO_DIR}/src/libeo.a ${EO_DIR}/src/utils/libeoutils.a
# Simple Simulated Annealing
simul_anneal_SOURCES = \
simul_anneal.cpp
simul_anneal_LDFLAGS =
simul_anneal_LDADD = share/libtsp_share.a ${EO_DIR}/src/libeo.a ${EO_DIR}/src/utils/libeoutils.a
# Simple Tabu Search
tabu_search_SOURCES = \
tabu_search.cpp
tabu_search_LDFLAGS =
tabu_search_LDADD = share/libtsp_share.a ${EO_DIR}/src/libeo.a ${EO_DIR}/src/utils/libeoutils.a
# Simple Genetic Algorithm
gen_algo_SOURCES = \
gen_algo.cpp
gen_algo_LDFLAGS =
gen_algo_LDADD = share/libtsp_share.a ${EO_DIR}/src/libeo.a ${EO_DIR}/src/utils/libeoutils.a
# Simple Mimetic Algorithm
mimetic_SOURCES = \
mimetic.cpp
mimetic_LDFLAGS =
mimetic_LDADD = share/libtsp_share.a ${EO_DIR}/src/libeo.a ${EO_DIR}/src/utils/libeoutils.a

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@ -1,536 +0,0 @@
535
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57.06 9.51
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34.59 -106.37
57.12 -2.12
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28.56 -13.36
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12.5 45.02
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30.23 -9.33
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36.4 -4.3
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51.33 0.14
24.58 91.53

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35 17
55 45
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15 30
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20 50
10 43
55 60
30 60
20 65
50 35
30 25
15 10
30 5
10 20
5 30
20 40
15 60
45 65
45 20
45 10
55 5
65 35
65 20
45 30
35 40
41 37
64 42
40 60
31 52
35 69
53 52
65 55
63 65
2 60
20 20
5 5
60 12
40 25
42 7
24 12
23 3
11 14
6 38
2 48
8 56
13 52
6 68
47 47
49 58
27 43
37 31
57 29
63 23
53 12
32 12
36 26
21 24
17 34
12 24
24 58
27 69
15 77
62 77
49 73
67 5
56 39
37 47
37 56
57 68
47 16
44 17
46 13
49 11
49 42
53 43
61 52
57 48
56 37
55 54
15 47
14 37
11 31
16 22
4 18
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26 52
26 35
31 67
15 19
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18 24
26 27
25 24
22 27
25 21
19 21
20 26
18 18
35 35

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NAME : eil101
COMMENT : 101-city problem (Christofides/Eilon)
TYPE : TSP
DIMENSION : 101
EDGE_WEIGHT_TYPE : EUC_2D
NAME: ali535
TYPE: TSP
COMMENT: 535 Airports around the globe (Padberg/Rinaldi)
DIMENSION: 535
EDGE_WEIGHT_TYPE: GEO
DISPLAY_DATA_TYPE: COORD_DISPLAY
NAME : pr2392
COMMENT : 2392-city problem (Padberg/Rinaldi)
TYPE : TSP
DIMENSION : 2392
EDGE_WEIGHT_TYPE : EUC_2D
NAME : rl5915
COMMENT : 5915-city TSP (Reinelt)
TYPE : TSP
DIMENSION : 5915
EDGE_WEIGHT_TYPE : EUC_2D
NAME : usa13509
COMMENT : Cities with population at least 500 in the continental US.
COMMENT : Contributed by David Applegate and Andre Rohe, based on the
COMMENT : data set "US.lat-long" from the ftp site ftp.cs.toronto.edu.
COMMENT : The file US.lat-long.Z can be found in the directory /doc/geography.
TYPE : TSP
DIMENSION : 13509
EDGE_WEIGHT_TYPE : EUC_2D

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// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "gen_algo.cpp"
// (c) OPAC Team, LIFL, 2003
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#include <eoEasyEA.h>
#include <eoGenContinue.h>
#include <eoStochTournamentSelect.h>
#include <eoSGATransform.h>
#include <eoSelectNumber.h>
#include "share/graph.h"
#include "share/route.h"
#include "share/route_init.h"
#include "share/route_eval.h"
#include "share/order_xover.h"
#include "share/partial_mapped_xover.h"
#include "share/city_swap.h"
int main (int __argc, char * __argv []) {
if (__argc != 2) {
std :: cerr << "Usage : ./gen_algo [instance]" << std :: endl ;
return 1 ;
}
Graph :: load (__argv [1]) ; // Instance
RouteInit init ; // Sol. Random Init.
RouteEval full_eval ; // Full Evaluator
eoPop <Route> pop (100, init) ; // Population
apply <Route> (full_eval, pop) ;
std :: cout << "[From] " << pop.best_element () << std :: endl ;
eoGenContinue <Route> cont (1000) ; /* Continuator (A fixed number of
1000 iterations */
eoStochTournamentSelect <Route> select_one ; // Selector
eoSelectNumber <Route> select (select_one, 100) ;
// OrderXover cross ; // Order Crossover
PartialMappedXover cross ;
CitySwap mut ; // City Swap Mutator
eoSGATransform <Route> transform (cross, 1, mut, 0.01) ;
eoElitism <Route> merge (1) ; // Use of Elistism
eoStochTournamentTruncate <Route> reduce (0.7) ; // Stoch. Replacement
eoEasyEA <Route> ea (cont, full_eval, select, transform, merge, reduce) ;
ea (pop) ;
std :: cout << "[To] " << pop.best_element () << std :: endl ;
return 0 ;
}

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// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "hill_climb.cpp"
// (c) OPAC Team, LIFL, 2003
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#include <moHC.h>
#include <moFirstImprSelect.h>
#include <moBestImprSelect.h>
#include <moRandImprSelect.h>
#include "share/graph.h"
#include "share/route.h"
#include "share/route_eval.h"
#include "share/route_init.h"
#include "share/two_opt.h"
#include "share/two_opt_init.h"
#include "share/two_opt_next.h"
#include "share/two_opt_incr_eval.h"
int main (int __argc, char * __argv []) {
if (__argc != 2) {
std :: cerr << "Usage : ./hill_climb [instance]" << std :: endl ;
return 1 ;
}
srand (1000) ;
Graph :: load (__argv [1]) ; // Instance
Route route ; // Solution
RouteInit init ; // Sol. Random Init.
init (route) ;
RouteEval full_eval ; // Full. Eval.
full_eval (route) ;
std :: cout << "[From] " << route << std :: endl ;
/* Tools for an efficient (? :-))
local search ! */
TwoOptInit two_opt_init ; // Init.
TwoOptNext two_opt_next ; // Explorer.
TwoOptIncrEval two_opt_incr_eval ; // Eff. eval.
//moFirstImprSelect <TwoOpt> two_opt_select ;
moBestImprSelect <TwoOpt> two_opt_select ;
//moRandImprSelect <TwoOpt> two_opt_select ;
moHC <TwoOpt> hill_climb (two_opt_init, two_opt_next, two_opt_incr_eval, two_opt_select, full_eval) ;
hill_climb (route) ;
std :: cout << "[To] " << route << std :: endl ;
return 0 ;
}

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// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "mimetic.cpp"
// (c) OPAC Team, LIFL, 2003
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#include <eoEasyEA.h>
#include <eoGenContinue.h>
#include <eoStochTournamentSelect.h>
#include <eoSGATransform.h>
#include <eoSelectNumber.h>
#include <moHC.h>
#include <moFirstImprSelect.h>
#include <moBestImprSelect.h>
#include <moRandImprSelect.h>
#include "share/graph.h"
#include "share/route.h"
#include "share/route_init.h"
#include "share/route_eval.h"
#include "share/order_xover.h"
#include "share/two_opt.h"
#include "share/two_opt_init.h"
#include "share/two_opt_next.h"
#include "share/two_opt_incr_eval.h"
int main (int __argc, char * __argv []) {
if (__argc != 2) {
std :: cerr << "Usage : ./mimetic [instance]" << std :: endl ;
return 1 ;
}
Graph :: load (__argv [1]) ; // Instance
RouteInit init ; // Sol. Random Init.
RouteEval full_eval ; // Full Evaluator
eoPop <Route> pop (100, init) ; // Population
apply <Route> (full_eval, pop) ;
std :: cout << "[From] " << pop.best_element () << std :: endl ;
eoGenContinue <Route> cont (1000) ; /* Continuator (A fixed number of
1000 iterations */
eoStochTournamentSelect <Route> select_one ; // Selector
eoSelectNumber <Route> select (select_one, 100) ;
OrderXover cross ; // Order Crossover
TwoOptInit two_opt_init ; // Init.
TwoOptNext two_opt_next ; // Explorer.
TwoOptIncrEval two_opt_incr_eval ; // Eff. eval.
moRandImprSelect <TwoOpt> two_opt_select ; // Stochastic Neigh. Selector
moHC <TwoOpt> hill_climb (two_opt_init, two_opt_next, two_opt_incr_eval, two_opt_select, full_eval) ;
eoSGATransform <Route> transform (cross, 1, hill_climb, 0.01) ;
eoElitism <Route> merge (1) ; // Use of Elistism
eoStochTournamentTruncate <Route> reduce (0.7) ; // Stoch. Replacement
eoEasyEA <Route> ea (cont, full_eval, select, transform, merge, reduce) ;
ea (pop) ;
std :: cout << "[To] " << pop.best_element () << std :: endl ;
return 0 ;
}

View file

@ -1,455 +0,0 @@
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@ -1,26 +0,0 @@
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@ -1,455 +0,0 @@
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@ -1,36 +0,0 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "city_swap.cpp"
// (c) OPAC Team, LIFL, 2002
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#include <utils/eoRNG.h>
#include "city_swap.h"
bool CitySwap :: operator () (Route & __route) {
std :: swap (__route [rng.random (__route.size ())],
__route [rng.random (__route.size ())]) ;
__route.invalidate () ;
return true ;
}

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@ -1,41 +0,0 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "city_swap.h"
// (c) OPAC Team, LIFL, 2002
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#ifndef city_swap_h
#define city_swap_h
#include <eoOp.h>
#include "route.h"
/** Its swaps two vertices
randomly choosen */
class CitySwap : public eoMonOp <Route> {
public :
bool operator () (Route & __route) ;
} ;
#endif

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@ -1,138 +0,0 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "edge_xover.cpp"
// (c) OPAC Team, LIFL, 2003
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#include <assert.h>
#include <utils/eoRNG.h>
#include "edge_xover.h"
#include "route_valid.h"
#define MAXINT 1000000
void EdgeXover :: build_map (const Route & __par1, const Route & __par2) {
unsigned len = __par1.size () ;
/* Initialization */
_map.clear () ;
_map.resize (len) ;
for (unsigned i = 0 ; i < len ; i ++) {
_map [__par1 [i]].insert (__par1 [(i + 1) % len]) ;
_map [__par2 [i]].insert (__par2 [(i + 1) % len]) ;
_map [__par1 [i]].insert (__par1 [(i - 1 + len) % len]) ;
_map [__par2 [i]].insert (__par2 [(i - 1 + len) % len]) ;
}
visited.clear () ;
visited.resize (len, false) ;
}
void EdgeXover :: remove_entry (unsigned __vertex, std :: vector <std :: set <unsigned> > & __map) {
std :: set <unsigned> & neigh = __map [__vertex] ;
for (std :: set <unsigned> :: iterator it = neigh.begin () ;
it != neigh.end () ;
it ++)
__map [* it].erase (__vertex) ;
}
void EdgeXover :: add_vertex (unsigned __vertex, Route & __child) {
visited [__vertex] = true ;
__child.push_back (__vertex) ;
remove_entry (__vertex, _map) ; /* Removing entries */
}
void EdgeXover :: cross (const Route & __par1, const Route & __par2, Route & __child) {
build_map (__par1, __par2) ;
unsigned len = __par1.size () ;
/* Go ! */
__child.clear () ;
unsigned cur_vertex = rng.random (len) ;
add_vertex (cur_vertex, __child) ;
for (unsigned i = 1 ; i < len ; i ++) {
unsigned len_min_entry = MAXINT ;
std :: set <unsigned> & neigh = _map [cur_vertex] ;
for (std :: set <unsigned> :: iterator it = neigh.begin () ;
it != neigh.end () ;
it ++) {
unsigned l = _map [* it].size () ;
if (len_min_entry > l)
len_min_entry = l ;
}
std :: vector <unsigned> cand ; /* Candidates */
for (std :: set <unsigned> :: iterator it = neigh.begin () ;
it != neigh.end () ;
it ++) {
unsigned l = _map [* it].size () ;
if (len_min_entry == l)
cand.push_back (* it) ;
}
if (! cand.size ()) {
/* Oh no ! Implicit mutation */
for (unsigned j = 0 ; j < len ; j ++)
if (! visited [j])
cand.push_back (j) ;
}
cur_vertex = cand [rng.random (cand.size ())] ;
add_vertex (cur_vertex, __child) ;
}
}
bool EdgeXover :: operator () (Route & __route1, Route & __route2) {
// Init. copy
Route par [2] ;
par [0] = __route1 ;
par [1] = __route2 ;
cross (par [0], par [1], __route1) ;
cross (par [1], par [0], __route2) ;
assert (valid (__route1)) ;
assert (valid (__route2)) ;
__route1.invalidate () ;
__route2.invalidate () ;
return true ;
}

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@ -1,58 +0,0 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "edge_xover.h"
// (c) OPAC Team, LIFL, 2003
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#ifndef edge_xover_h
#define edge_xover_h
#include <vector>
#include <set>
#include <eoOp.h>
#include "route.h"
/** Edge Crossover */
class EdgeXover : public eoQuadOp <Route> {
public :
bool operator () (Route & __route1, Route & __route2) ;
private :
void cross (const Route & __par1, const Route & __par2, Route & __child) ; /* Binary */
void remove_entry (unsigned __vertex, std :: vector <std :: set <unsigned> > & __map) ;
/* Updating the map of entries */
void build_map (const Route & __par1, const Route & __par2) ;
void add_vertex (unsigned __vertex, Route & __child) ;
std :: vector <std :: set <unsigned> > _map ; /* The handled map */
std :: vector <bool> visited ; /* Vertices that are already visited */
} ;
#endif

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@ -1,92 +0,0 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "graph.cpp"
// (c) OPAC Team, LIFL, 2003
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#include <fstream>
#include <iostream>
#include <math.h>
#include "graph.h"
namespace Graph {
static std :: vector <std :: pair <double, double> > vectCoord ; // Coordinates
static std :: vector <std :: vector <unsigned> > dist ; // Distances Mat.
unsigned size () {
return dist.size () ;
}
void computeDistances () {
// Dim.
unsigned numCities = vectCoord.size () ;
dist.resize (numCities) ;
for (unsigned i = 0 ; i < dist.size () ; i ++)
dist [i].resize (numCities) ;
// Computations.
for (unsigned i = 0 ; i < dist.size () ; i ++)
for (unsigned j = i + 1 ; j < dist.size () ; j ++) {
double distX = vectCoord [i].first - vectCoord [j].first ;
double distY = vectCoord [i].second - vectCoord [j].second ;
dist [i] [j] = dist [j] [i] = (unsigned) (sqrt ((float) (distX * distX + distY * distY)) + 0.5) ;
}
}
void load (const char * __fileName) {
std :: ifstream f (__fileName) ;
std :: cout << ">> Loading [" << __fileName << "]" << std :: endl ;
if (f) {
unsigned num_vert ;
f >> num_vert ;
vectCoord.resize (num_vert) ;
for (unsigned i = 0 ; i < num_vert ; i ++)
f >> vectCoord [i].first >> vectCoord [i].second ;
f.close () ;
computeDistances () ;
}
else {
std :: cout << __fileName << " doesn't exist !!!" << std :: endl ;
// Bye !!!
exit (1) ;
}
}
float distance (unsigned __from, unsigned __to) {
return dist [__from] [__to] ;
}
}

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@ -1,42 +0,0 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "graph.h"
// (c) OPAC Team, LIFL, 2003
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#ifndef graph_h
#define graph_h
#include <vector>
#include <utility>
namespace Graph {
void load (const char * __file_name) ;
/* Loading cities
(expressed by their coordinates)
from the given file name */
float distance (unsigned __from, unsigned __to) ;
unsigned size () ; // How many cities ?
}
#endif

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// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "mix.h"
// (c) OPAC Team, LIFL, 2003
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#ifndef mix_h
#define mix_h
#include <utils/eoRNG.h>
template <class T> void mix (std :: vector <T> & __vect) {
for (unsigned i = 0 ; i < __vect.size () ; i ++)
std :: swap (__vect [i], __vect [rng.random (__vect.size ())]) ;
}
#endif

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@ -1,92 +0,0 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "order_xover.cpp"
// (c) OPAC Team, LIFL, 2002
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#include <assert.h>
#include <utils/eoRNG.h>
#include "order_xover.h"
#include "route_valid.h"
void OrderXover :: cross (const Route & __par1, const Route & __par2, Route & __child) {
unsigned cut = rng.random (__par1.size ()) ;
/* To store vertices that have
already been crossed */
bool v [__par1.size ()] ;
for (unsigned i = 0 ; i < __par1.size () ; i ++)
v [i] = false ;
/* Copy of the left partial
route of the first parent */
for (unsigned i = 0 ; i < cut ; i ++) {
__child [i] = __par1 [i] ;
v [__par1 [i]] = true ;
}
/* Searching the vertex of the second path, that ended
the previous first one */
unsigned from = 0 ;
for (unsigned i = 0 ; i < __par2.size () ; i ++)
if (__par2 [i] == __child [cut - 1]) {
from = i ;
break ;
}
/* Selecting a direction
Left or Right */
char direct = rng.flip () ? 1 : -1 ;
/* Copy of the left vertices from
the second parent path */
unsigned l = cut ;
for (unsigned i = 0 ; i < __par2.size () ; i ++) {
unsigned bidule /* :-) */ = (direct * i + from + __par2.size ()) % __par2.size () ;
if (! v [__par2 [bidule]]) {
__child [l ++] = __par2 [bidule] ;
v [__par2 [bidule]] = true ;
}
}
}
bool OrderXover :: operator () (Route & __route1, Route & __route2) {
// Init. copy
Route par [2] ;
par [0] = __route1 ;
par [1] = __route2 ;
cross (par [0], par [1], __route1) ;
cross (par [1], par [0], __route2) ;
assert (valid (__route1)) ;
assert (valid (__route2)) ;
__route1.invalidate () ;
__route2.invalidate () ;
return true ;
}

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@ -1,43 +0,0 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "order_xover.h"
// (c) OPAC Team, LIFL, 2003
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#ifndef order_xover_h
#define order_xover_h
#include <eoOp.h>
#include "route.h"
/** Order Crossover */
class OrderXover : public eoQuadOp <Route> {
public :
bool operator () (Route & __route1, Route & __route2) ;
private :
void cross (const Route & __par1, const Route & __par2, Route & __child) ;
} ;
#endif

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@ -1,45 +0,0 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "part_route_eval.cpp"
// (c) OPAC Team, LIFL, 2003
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#include "part_route_eval.h"
#include "graph.h"
PartRouteEval :: PartRouteEval (float __from,
float __to
) : from (__from),
to (__to) {
}
void PartRouteEval :: operator () (Route & __route) {
float len = 0 ;
for (unsigned i = (unsigned) (__route.size () * from) ;
i < (unsigned) (__route.size () * to) ;
i ++)
len -= Graph :: distance (__route [i], __route [(i + 1) % Graph :: size ()]) ;
__route.fitness (len) ;
}

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@ -1,48 +0,0 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "part_route_eval.h"
// (c) OPAC Team, LIFL, 2003
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#ifndef part_route_eval_h
#define part_route_eval_h
#include <eoEvalFunc.h>
#include "route.h"
/** Route Evaluator */
class PartRouteEval : public eoEvalFunc <Route> {
public :
/** Constructor */
PartRouteEval (float __from, float __to) ;
void operator () (Route & __route) ;
private :
float from, to ;
} ;
#endif

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@ -1,32 +0,0 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "part_two_opt_init.cpp"
// (c) OPAC Team, LIFL, 2003
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#include <utils/eoRNG.h>
#include "part_two_opt_init.h"
void PartTwoOptInit :: operator () (TwoOpt & __move, const Route & __route) {
__move.first = rng.random (__route.size () - 6) ;
__move.second = __move.first + 2 ;
}

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@ -1,40 +0,0 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "part_two_opt_init.h"
// (c) OPAC Team, LIFL, 2003
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#ifndef part_two_opt_init_h
#define part_two_opt_init_h
#include <eoMoveInit.h>
#include "two_opt.h"
/** It sets the first couple of edges */
class PartTwoOptInit : public eoMoveInit <TwoOpt> {
public :
void operator () (TwoOpt & __move, const Route & __route) ;
} ;
#endif

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@ -1,42 +0,0 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "part_two_opt_next.cpp"
// (c) OPAC Team, LIFL, 2003
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#include "part_two_opt_next.h"
#include "graph.h"
bool TwoOptNext :: operator () (TwoOpt & __move, const Route & __route) {
if (__move.first == Graph :: size () - 4 && __move.second == __move.first + 2)
return false ;
else {
__move.second ++ ;
if (__move.second == Graph :: size () - 1) {
__move.first ++ ;
__move.second = __move.first + 2 ;
}
return true ;
}
}

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@ -1,39 +0,0 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "part_two_opt_next.h"
// (c) OPAC Team, LIFL, 2003
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#ifndef part_two_opt_next_h
#define part_two_opt_next_h
#include <eoNextMove.h>
#include "two_opt.h"
/** It updates a couple of edges */
class PartTwoOptNext : public eoNextMove <TwoOpt> {
public :
bool operator () (TwoOpt & __move, const Route & __route) ;
} ;
#endif

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@ -1,81 +0,0 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "partial_mapped_xover.cpp"
// (c) OPAC Team, LIFL, 2003
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#include <assert.h>
#include <utils/eoRNG.h>
#include "partial_mapped_xover.h"
#include "route_valid.h"
#include "mix.h"
void PartialMappedXover :: repair (Route & __route, unsigned __cut1, unsigned __cut2) {
unsigned v [__route.size ()] ; // Number of times a cities are visited ...
for (unsigned i = 0 ; i < __route.size () ; i ++)
v [i] = 0 ;
for (unsigned i = 0 ; i < __route.size () ; i ++)
v [__route [i]] ++ ;
std :: vector <unsigned> vert ;
for (unsigned i = 0 ; i < __route.size () ; i ++)
if (! v [i])
vert.push_back (i) ;
mix (vert) ;
for (unsigned i = 0 ; i < __route.size () ; i ++)
if (i < __cut1 || i >= __cut2)
if (v [__route [i]] > 1) {
__route [i] = vert.back () ;
vert.pop_back () ;
}
}
bool PartialMappedXover :: operator () (Route & __route1, Route & __route2) {
unsigned cut1 = rng.random (__route1.size ()), cut2 = rng.random (__route2.size ()) ;
if (cut2 < cut1)
std :: swap (cut1, cut2) ;
// Between the cuts
for (unsigned i = cut1 ; i < cut2 ; i ++)
std :: swap (__route1 [i], __route2 [i]) ;
// Outside the cuts
repair (__route1, cut1, cut2) ;
repair (__route2, cut1, cut2) ;
// Debug
assert (valid (__route1)) ;
assert (valid (__route2)) ;
__route1.invalidate () ;
__route2.invalidate () ;
return true ;
}

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@ -1,43 +0,0 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "partial_mapped_xover.h"
// (c) OPAC Team, LIFL, 2003
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#ifndef partial_mapped_xover_h
#define partial_mapped_xover_h
#include <eoOp.h>
#include "route.h"
/** Partial Mapped Crossover */
class PartialMappedXover : public eoQuadOp <Route> {
public :
bool operator () (Route & __route1, Route & __route2) ;
private :
void repair (Route & __route, unsigned __cut1, unsigned __cut2) ;
} ;
#endif

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@ -1,31 +0,0 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "route.h"
// (c) OPAC Team, LIFL, 2003
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#ifndef route_h
#define route_h
#include <eoVector.h>
typedef eoVector <float, unsigned> Route ; // [Fitness (- length), Gene (city)]
#endif

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@ -1,35 +0,0 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "route_eval.cpp"
// (c) OPAC Team, LIFL, 2003
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#include "route_eval.h"
#include "graph.h"
void RouteEval :: operator () (Route & __route) {
float len = 0 ;
for (unsigned i = 0 ; i < Graph :: size () ; i ++)
len -= Graph :: distance (__route [i], __route [(i + 1) % Graph :: size ()]) ;
__route.fitness (len) ;
}

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@ -1,41 +0,0 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "route_eval.h"
// (c) OPAC Team, LIFL, 2003
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#ifndef route_eval_h
#define route_eval_h
#include <eoEvalFunc.h>
#include "route.h"
/** Route Evaluator */
class RouteEval : public eoEvalFunc <Route> {
public :
void operator () (Route & __route) ;
} ;
#endif

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@ -1,46 +0,0 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "route_init.cpp"
// (c) OPAC Team, LIFL, 2003
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#include <utils/eoRNG.h>
#include "route_init.h"
#include "graph.h"
void RouteInit :: operator () (Route & __route) {
// Init.
__route.clear () ;
for (unsigned i = 0 ; i < Graph :: size () ; i ++)
__route.push_back (i) ;
// Swap. cities
for (unsigned i = 0 ; i < Graph :: size () ; i ++) {
//unsigned j = rng.random (Graph :: size ()) ;
unsigned j = (unsigned) (Graph :: size () * (rand () / (RAND_MAX + 1.0))) ;
unsigned city = __route [i] ;
__route [i] = __route [j] ;
__route [j] = city ;
}
}

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@ -1,39 +0,0 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "route_init.h"
// (c) OPAC Team, LIFL, 2002
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#ifndef route_init_h
#define route_init_h
#include <eoInit.h>
#include "route.h"
class RouteInit : public eoInit <Route> {
public :
void operator () (Route & __route) ;
} ;
#endif

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@ -1,41 +0,0 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "route_valid.cpp"
// (c) OPAC Team, LIFL, 2003
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#include "route_valid.h"
bool valid (Route & __route) {
unsigned t [__route.size ()] ;
for (unsigned i = 0 ; i < __route.size () ; i ++)
t [i] = 0 ;
for (unsigned i = 0 ; i < __route.size () ; i ++)
t [__route [i]] ++ ;
for (unsigned i = 0 ; i < __route.size () ; i ++)
if (t [i] != 1)
return false ;
return true ; // OK.
}

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@ -1,31 +0,0 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "route_valid.h"
// (c) OPAC Team, LIFL, 2003
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#ifndef route_valid_h
#define route_valid_h
#include "route.h"
bool valid (Route & __route) ;
#endif

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@ -1,54 +0,0 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "two_opt.cpp"
// (c) OPAC Team, LIFL, 2003
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#include "two_opt.h"
TwoOpt TwoOpt :: operator ! () const {
TwoOpt move = * this ;
std :: swap (move.first, move.second) ;
return move ;
}
void TwoOpt :: operator () (Route & __route) {
std :: vector <unsigned> seq_cities ;
for (unsigned i = second ; i > first ; i --)
seq_cities.push_back (__route [i]) ;
unsigned j = 0 ;
for (unsigned i = first + 1 ; i < second + 1 ; i ++)
__route [i] = seq_cities [j ++] ;
}
void TwoOpt :: readFrom (std :: istream & __is) {
__is >> first >> second ;
}
void TwoOpt :: printOn (std :: ostream & __os) const {
__os << first << ' ' << second ;
}

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@ -1,47 +0,0 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "two_opt.h"
// (c) OPAC Team, LIFL, 2003
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#ifndef two_opt_h
#define two_opt_h
#include <eoPersistent.h>
#include <utility>
#include <moMove.h>
#include "route.h"
class TwoOpt : public moMove <Route>, public std :: pair <unsigned, unsigned>, public eoPersistent {
public :
TwoOpt operator ! () const ;
void operator () (Route & __route) ;
void readFrom (std :: istream & __is) ;
void printOn (std :: ostream & __os) const ;
} ;
#endif

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@ -1,36 +0,0 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "TwoOptIncrEval.cpp"
// (c) OPAC Team, LIFL, 2003
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#include "two_opt_incr_eval.h"
#include "graph.h"
float TwoOptIncrEval :: operator () (const TwoOpt & __move, const Route & __route) {
// From
unsigned v1 = __route [__move.first], v1_next = __route [__move.first + 1] ;
// To
unsigned v2 = __route [__move.second], v2_next = __route [__move.second + 1] ;
return __route.fitness () - Graph :: distance (v1, v2) - Graph :: distance (v1_next, v2_next) + Graph :: distance (v1, v1_next) + Graph :: distance (v2, v2_next) ;
}

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@ -1,38 +0,0 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "TwoOptIncrEval.h"
// (c) OPAC Team, LIFL, 2003
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#ifndef two_optincr_eval_h
#define two_optincr_eval_h
#include <moMoveIncrEval.h>
#include "two_opt.h"
class TwoOptIncrEval : public moMoveIncrEval <TwoOpt> {
public :
float operator () (const TwoOpt & __move, const Route & __route) ;
} ;
#endif

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@ -1,30 +0,0 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "two_opt_init.cpp"
// (c) OPAC Team, LIFL, 2003
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#include "two_opt_init.h"
void TwoOptInit :: operator () (TwoOpt & __move, const Route & __route) {
__move.first = 0 ;
__move.second = 2 ;
}

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@ -1,40 +0,0 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "two_opt_init.h"
// (c) OPAC Team, LIFL, 2003
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#ifndef two_opt_init_h
#define two_opt_init_h
#include <moMoveInit.h>
#include "two_opt.h"
/** It sets the first couple of edges */
class TwoOptInit : public moMoveInit <TwoOpt> {
public :
void operator () (TwoOpt & __move, const Route & __route) ;
} ;
#endif

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@ -1,42 +0,0 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "two_opt_next.cpp"
// (c) OPAC Team, LIFL, 2003
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#include "two_opt_next.h"
#include "graph.h"
bool TwoOptNext :: operator () (TwoOpt & __move, const Route & __route) {
if (__move.first == Graph :: size () - 4 && __move.second == __move.first + 2)
return false ;
else {
__move.second ++ ;
if (__move.second == Graph :: size () - 1) {
__move.first ++ ;
__move.second = __move.first + 2 ;
}
return true ;
}
}

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@ -1,39 +0,0 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "two_opt_next.h"
// (c) OPAC Team, LIFL, 2003
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#ifndef two_opt_next_h
#define two_opt_next_h
#include <moNextMove.h>
#include "two_opt.h"
/** It updates a couple of edges */
class TwoOptNext : public moNextMove <TwoOpt> {
public :
bool operator () (TwoOpt & __move, const Route & __route) ;
} ;
#endif

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@ -1,32 +0,0 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "two_opt_rand.cpp"
// (c) OPAC Team, LIFL, 2003
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#include "two_opt_rand.h"
#include "graph.h"
#include <utils/eoRNG.h>
void TwoOptRand :: operator () (TwoOpt & __move) {
__move.first = rng.random (Graph :: size () - 3) ;
__move.second = __move.first + 2 + rng.random (Graph :: size () - __move.first - 3) ;
}

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@ -1,39 +0,0 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "two_opt_rand.h"
// (c) OPAC Team, LIFL, 2003
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#ifndef two_opt_rand_h
#define two_opt_rand_h
#include <moRandMove.h>
#include "two_opt.h"
class TwoOptRand : public moRandMove <TwoOpt> {
public :
void operator () (TwoOpt & __move) ;
} ;
#endif

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@ -1,58 +0,0 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "two_opt_tabu_list.cpp"
// (c) OPAC Team, LIFL, 2003
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#include "two_opt_tabu_list.h"
#include "graph.h"
#define TABU_LENGTH 10
void TwoOptTabuList :: init () {
// Size (eventually)
tabu_span.resize (Graph :: size ()) ;
for (unsigned i = 0 ; i < tabu_span.size () ; i ++)
tabu_span [i].resize (Graph :: size ()) ;
// Clear
for (unsigned i = 0 ; i < tabu_span.size () ; i ++)
for (unsigned j = 0 ; j < tabu_span [i].size () ; j ++)
tabu_span [i] [j] = 0 ;
}
bool TwoOptTabuList :: operator () (const TwoOpt & __move, const Route & __sol) {
return tabu_span [__move.first] [__move.second] > 0 ;
}
void TwoOptTabuList :: add (const TwoOpt & __move, const Route & __sol) {
tabu_span [__move.first] [__move.second] = tabu_span [__move.second] [__move.first] = TABU_LENGTH ;
}
void TwoOptTabuList :: update () {
for (unsigned i = 0 ; i < tabu_span.size () ; i ++)
for (unsigned j = 0 ; j < tabu_span [i].size () ; j ++)
if (tabu_span [i] [j] > 0)
tabu_span [i] [j] -- ;
}

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@ -1,50 +0,0 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "two_opt_tabu_list.h"
// (c) OPAC Team, LIFL, 2003
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#ifndef two_opt_tabu_list_h
#define two_opt_tabu_list_h
#include <moTabuList.h>
#include "two_opt.h"
#include "route.h"
/** The table of tabu movements, i.e. forbidden edges */
class TwoOptTabuList : public moTabuList <TwoOpt> {
public :
bool operator () (const TwoOpt & __move, const Route & __sol) ;
void add (const TwoOpt & __move, const Route & __sol) ;
void update () ;
void init () ;
private :
std :: vector <std :: vector <unsigned> > tabu_span ;
} ;
#endif

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@ -1,79 +0,0 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "simul_anneal.cpp"
// (c) OPAC Team, LIFL, 2003
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#include <moSA.h>
#include <moEasyCoolSched.h>
#include <moGenSolContinue.h>
#include "share/graph.h"
#include "share/route.h"
#include "share/route_eval.h"
#include "share/route_init.h"
#include "share/two_opt.h"
#include "share/two_opt_rand.h"
#include "share/two_opt_incr_eval.h"
int main (int __argc, char * __argv []) {
if (__argc != 2) {
std :: cerr << "Usage : ./simul_anneal [instance]" << std :: endl ;
return 1 ;
}
Graph :: load (__argv [1]) ; // Instance
Route route ; // Solution
RouteInit init ; // Sol. Random Init.
init (route) ;
RouteEval full_eval ; // Full. Eval.
full_eval (route) ;
std :: cout << "[From] " << route << std :: endl ;
/* Tools for an efficient (? :-))
local search ! */
TwoOptRand two_opt_rand ; // Route Random. Gen.
TwoOptIncrEval two_opt_incr_eval ; // Eff. eval.
TwoOpt move ;
moEasyCoolSched cool_sched (0.1, 0.98) ; // Cooling Schedule
moGenSolContinue <Route> cont (1000) ; /* Temperature Descreasing
will occur each 100
iterations */
moSA <TwoOpt> simul_anneal (two_opt_rand, two_opt_incr_eval, cont, 1000, cool_sched, full_eval) ;
simul_anneal (route) ;
std :: cout << "[To] " << route << std :: endl ;
return 0 ;
}

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@ -1,85 +0,0 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "tabu_search.cpp"
// (c) OPAC Team, LIFL, 2003
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#include <moTS.h>
#include <moNoAspirCrit.h>
#include <moImprBestFitAspirCrit.h>
#include <moGenSolContinue.h>
#include <moFirstImprSelect.h>
#include <moBestImprSelect.h>
#include <moRandImprSelect.h>
#include "share/graph.h"
#include "share/route.h"
#include "share/route_eval.h"
#include "share/route_init.h"
#include "share/two_opt.h"
#include "share/two_opt_init.h"
#include "share/two_opt_next.h"
#include "share/two_opt_incr_eval.h"
#include "share/two_opt_tabu_list.h"
int main (int __argc, char * __argv []) {
if (__argc != 2) {
std :: cerr << "Usage : ./tabu_search [instance]" << std :: endl ;
return 1 ;
}
Graph :: load (__argv [1]) ; // Instance
Route route ; // Solution
RouteInit init ; // Sol. Random Init.
init (route) ;
RouteEval full_eval ; // Full. Eval.
full_eval (route) ;
std :: cout << "[From] " << route << std :: endl ;
/* Tools for an efficient (? :-))
local search ! */
TwoOptInit two_opt_init ; // Init.
TwoOptNext two_opt_next ; // Explorer.
TwoOptIncrEval two_opt_incr_eval ; // Eff. eval.
TwoOptTabuList tabu_list ; // Tabu List
moNoAspirCrit <TwoOpt> aspir_crit ; // Aspiration Criterion
moGenSolContinue <Route> cont (50000) ; // Continuator
moTS <TwoOpt> tabu_search (two_opt_init, two_opt_next, two_opt_incr_eval, tabu_list, aspir_crit, cont, full_eval) ;
tabu_search (route) ;
std :: cout << "[To] " << route << std :: endl ;
return 0 ;
}