diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0292960..1259282 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,14 +6,14 @@ set(CMAKE_USER_MAKE_RULES_OVERRIDE
set(CMAKE_USER_MAKE_RULES_OVERRIDE_CXX
${CMAKE_CURRENT_SOURCE_DIR}/cmake/cxx_flag_overrides.cmake)
-project(MMST)
+project(OPW)
-#set(MMST_VERSION_MAJOR 0)
-#set(MMST_VERSION_MINOR 1)
-#set(PACKAGE_VERSION ${MMST_VERSION_MAJOR}.${MMST_VERSION_MINOR})
+#set(OPW_VERSION_MAJOR 0)
+#set(OPW_VERSION_MINOR 1)
+#set(PACKAGE_VERSION ${OPW_VERSION_MAJOR}.${OPW_VERSION_MINOR})
-#set(MMST_COMPILED ssd${MMST_VERSION_MAJOR}${MMST_VERSION_MINOR})
-set(MMST_COMPILED mmst)
+#set(OPW_COMPILED ssd${OPW_VERSION_MAJOR}${OPW_VERSION_MINOR})
+set(OPW_COMPILED opw)
# Static so I can copy the executable to another version
# Check link for other possible options:
diff --git a/LICENSE.md b/LICENSE.md
new file mode 100644
index 0000000..f288702
--- /dev/null
+++ b/LICENSE.md
@@ -0,0 +1,674 @@
+ GNU GENERAL PUBLIC LICENSE
+ Version 3, 29 June 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc.
+ Everyone is permitted to copy and distribute verbatim copies
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+
+ Preamble
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+ The licenses for most software and other practical works are designed
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+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+ 16. Limitation of Liability.
+
+ IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+ 17. Interpretation of Sections 15 and 16.
+
+ If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+ END OF TERMS AND CONDITIONS
+
+ How to Apply These Terms to Your New Programs
+
+ If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+ To do so, attach the following notices to the program. It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+
+ Copyright (C)
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see .
+
+Also add information on how to contact you by electronic and paper mail.
+
+ If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+ Copyright (C)
+ This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+ This is free software, and you are welcome to redistribute it
+ under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License. Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+ You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+.
+
+ The GNU General Public License does not permit incorporating your program
+into proprietary programs. If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library. If this is what you want to do, use the GNU Lesser General
+Public License instead of this License. But first, please read
+.
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..a5822cf
--- /dev/null
+++ b/README.md
@@ -0,0 +1,28 @@
+# opw
+
+`opw` is a wrapper library in C++ for commercial and open source solvers
+
+## Setup
+
+(1) Install at least one of the currently supported solvers: IBM CPLEX and GNU Linear Programming Kit (GLPK)
+
+(2) Install Boost
+
+## Building
+```
+$ opw/build$ cmake ..
+
+$ opw/build$ make
+```
+
+## Running
+```
+Usage:
+opw input [options]
+```
+
+To solve the Generalized Assigment Problem using GLPK with default options for the solver, simply run from inside the `build/` directory:
+
+```
+$ ./opw --input=../tests/GeneralizedAssignmentProblem/gap_test.txt --debug=2 --model=gap --solver=glpk
+```
diff --git a/TODO.txt b/TODO.txt
index 2eee636..7977019 100644
--- a/TODO.txt
+++ b/TODO.txt
@@ -3,7 +3,5 @@
CPLEX Error 3003: Not a mixed-integer problem.
- - Add LP printing option? used in Tesco no reversal
- Add user and lazy cuts before optimisation?
- To incumbent callback add Check(CPXsetintparam(env, CPX_PARAM_MIPCBREDLP, CPX_OFF), env);
-
diff --git a/cmake/FindGLPK.cmake b/cmake/FindGLPK.cmake
new file mode 100644
index 0000000..786d567
--- /dev/null
+++ b/cmake/FindGLPK.cmake
@@ -0,0 +1,79 @@
+# Find GLPK header and library.
+#
+
+# This module defines the following uncached variables:
+# GLPK_FOUND, if false, do not try to use GLPK.
+# GLPK_INCLUDE_DIRS, where to find glpk.h.
+# GLPK_LIBRARIES, the libraries to link against to use the GLPK library
+# GLPK_LIBRARY_DIRS, the directory where the GLPK library is found.
+
+if(MSVC)
+ find_path(
+ GLPK_INCLUDE_DIR
+ glpk.h
+ PATHS "C:/glpk-4.65/src/"
+ )
+
+ if( GLPK_INCLUDE_DIR )
+ find_library(
+ GLPK_LIBRARY
+ glpk_4_65.lib glpk_4_65.dll
+ PATHS "C:/glpk-4.65/w64/"
+ )
+ if( GLPK_LIBRARY )
+ set(GLPK_LIBRARY_DIR "")
+ get_filename_component(GLPK_LIBRARY_DIRS ${GLPK_LIBRARY} PATH)
+ # Set uncached variables as per standard.
+ set(GLPK_FOUND ON)
+ set(GLPK_INCLUDE_DIRS ${GLPK_INCLUDE_DIR})
+ set(GLPK_LIBRARIES ${GLPK_LIBRARY})
+ endif(GLPK_LIBRARY)
+ else(GLPK_INCLUDE_DIR)
+ message(FATAL_ERROR "FindGLPK: Could not find glpk.h")
+ endif(GLPK_INCLUDE_DIR)
+
+ if(GLPK_FOUND)
+ if(NOT GLPK_FIND_QUIETLY)
+ message(STATUS "FindGLPK: Found both glpk.h and glpk_4_65.lib")
+ endif(NOT GLPK_FIND_QUIETLY)
+ else(GLPK_FOUND)
+ if(GLPK_FIND_REQUIRED)
+ message(FATAL_ERROR "FindGLPK: Could not find glpk.h and/or glpk_4_65.lib")
+ endif(GLPK_FIND_REQUIRED)
+ endif(GLPK_FOUND)
+
+else(MSVC)
+ find_path(
+ GLPK_INCLUDE_DIR
+ glpk.h
+ PATHS /usr/local/include /usr/include
+ )
+
+ if( GLPK_INCLUDE_DIR )
+ find_library(
+ GLPK_LIBRARY
+ NAMES libglpk.so libglpk.a
+ PATHS /usr/lib64 /usr/local/lib /usr/lib
+ )
+ if( GLPK_LIBRARY )
+ set(GLPK_LIBRARY_DIR "")
+ get_filename_component(GLPK_LIBRARY_DIRS ${GLPK_LIBRARY} PATH)
+ # Set uncached variables as per standard.
+ set(GLPK_FOUND ON)
+ set(GLPK_INCLUDE_DIRS ${GLPK_INCLUDE_DIR})
+ set(GLPK_LIBRARIES ${GLPK_LIBRARY})
+ endif(GLPK_LIBRARY)
+ else(GLPK_INCLUDE_DIR)
+ message(FATAL_ERROR "FindGLPK: Could not find glpk.h")
+ endif(GLPK_INCLUDE_DIR)
+
+ if(GLPK_FOUND)
+ if(NOT GLPK_FIND_QUIETLY)
+ message(STATUS "FindGLPK: Found both glpk.h and libglpk.a")
+ endif(NOT GLPK_FIND_QUIETLY)
+ else(GLPK_FOUND)
+ if(GLPK_FIND_REQUIRED)
+ message(FATAL_ERROR "FindGLPK: Could not find glpk.h and/or libglpk.a")
+ endif(GLPK_FIND_REQUIRED)
+ endif(GLPK_FOUND)
+endif()
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 31ac228..eebf1d5 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,22 +1,16 @@
-include_directories(${MMST_SOURCE_DIR}/src)
-link_directories(${MMST_BINARY_DIR}/src)
-
+include_directories(${OPW_SOURCE_DIR}/src)
+link_directories(${OPW_BINARY_DIR}/src)
SET (Boost_USE_STATIC_LIBS ON)
SET (Boost_USE_STATIC_RUNTIME ON)
find_package(Boost COMPONENTS)
-#find_package(Boost COMPONENTS regex REQUIRED)
-
-#find_library(SQLITE_LIBRARY_RELEASE sqlite3 VARIANT static)
find_package(CPLEX)
-if (CPLEX_FOUND)
-else ()
-endif ()
+find_package(GLPK)
-add_executable(${MMST_COMPILED}
+add_executable(${OPW_COMPILED}
main.cc
Util.h Util.cc
Option.h Option.cc
@@ -25,20 +19,25 @@ add_executable(${MMST_COMPILED}
Execute.h Execute.cc
Model.h Model.cc
Solver.h Solver.cc
+
+ # solvers
CPLEX.h CPLEX.cc
+ GLPK.h GLPK.cc
+
Solution.h Solution.cc
+ # models
DataCapitalBudgeting.h DataCapitalBudgeting.cc
ModelCapitalBudgeting.h ModelCapitalBudgeting.cc
+ DataGAP.h DataGAP.cc
+ ModelGAP.h ModelGAP.cc
)
-target_link_libraries(${MMST_COMPILED} m)
-#target_link_libraries(${MMST_COMPILED} ${SQLITE_LIBRARY_RELEASE})
-#target_link_libraries(${MMST_COMPILED} sqlite3)
-target_link_libraries(${MMST_COMPILED} pthread)
-#target_link_libraries(${MMST_COMPILED} boost_regex)
-target_link_libraries(${MMST_COMPILED} ${Boost_LIBRARIES})
-target_link_libraries(${MMST_COMPILED} cplex-library)
-target_link_libraries(${MMST_COMPILED} cplex-concert)
-target_link_libraries(${MMST_COMPILED} ilocplex)
-target_link_libraries(${MMST_COMPILED} dl)
+target_link_libraries(${OPW_COMPILED} m)
+target_link_libraries(${OPW_COMPILED} pthread)
+target_link_libraries(${OPW_COMPILED} ${Boost_LIBRARIES})
+target_link_libraries(${OPW_COMPILED} cplex-library)
+target_link_libraries(${OPW_COMPILED} cplex-concert)
+target_link_libraries(${OPW_COMPILED} glpk)
+target_link_libraries(${OPW_COMPILED} ilocplex)
+target_link_libraries(${OPW_COMPILED} dl)
diff --git a/src/CPLEX.cc b/src/CPLEX.cc
index ea8605d..f8a7855 100644
--- a/src/CPLEX.cc
+++ b/src/CPLEX.cc
@@ -1,9 +1,19 @@
-/**
- * CPLEX.cc
+/*
+ * Copyright 2018
+ * Cristiano Arbex Valle
+ *
+ * This is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * opw 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 General Public License for more details.
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
*
- * Copyright(c) 2018
- * Cristiano Arbex Valle
- * All rights reserved.
*/
#include "CPLEX.h"
diff --git a/src/CPLEX.h b/src/CPLEX.h
index 17a1053..2f11f3a 100644
--- a/src/CPLEX.h
+++ b/src/CPLEX.h
@@ -1,9 +1,19 @@
-/**
- * CPLEX.h
+/*
+ * Copyright 2018
+ * Cristiano Arbex Valle
+ *
+ * This is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * opw 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 General Public License for more details.
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
*
- * Copyright(c) 2018
- * Cristiano Arbex Valle
- * All rights reserved.
*/
#ifndef CPLEX_H
diff --git a/src/Data.cc b/src/Data.cc
index 7153c55..f889565 100644
--- a/src/Data.cc
+++ b/src/Data.cc
@@ -11,7 +11,7 @@
Data::Data() {
- debug = Options::getInstance()->getIntOption("debug");
+ debug = Options::getInstance()->getIntOption("debug");
}
Data::~Data() {
diff --git a/src/DataGAP.cc b/src/DataGAP.cc
new file mode 100644
index 0000000..da571ca
--- /dev/null
+++ b/src/DataGAP.cc
@@ -0,0 +1,105 @@
+/*
+ * Copyright 2020 Arthur Moreira
+ *
+ * This is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * opw 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 General Public License for more details.
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ *
+ */
+
+#include "DataGAP.h"
+#include "Options.h"
+#include
+#include
+#include
+
+DataGAP::DataGAP() : Data() {
+ numVariables = 0;
+ numTasks = 0;
+}
+
+DataGAP::~DataGAP() {
+}
+
+
+void DataGAP::readData() {
+
+ if (debug) printf("Initialising data for the Generalised Assignment Problem\n\n");
+
+ std::ifstream inputFile;
+
+ // string file_path = Options::getInstance()->getInputFile();
+ string file_path = Options::getInstance()->getStringOption("input");
+
+ inputFile.open(file_path);
+ if (inputFile.is_open()) {
+
+ inputFile >> numVariables;
+ inputFile >> numTasks;
+
+ agentBudget.resize(numVariables);
+ profitMatrix.resize(numTasks);
+ weightMatrix.resize(numTasks);
+ for (int i = 0; i < numTasks; i++) {
+ profitMatrix[i].resize(numVariables);
+ weightMatrix[i].resize(numVariables);
+ }
+
+ for (int j = 0; j < numVariables; j++) {
+ for (int i = 0; i < numTasks; i++) {
+ inputFile >> profitMatrix[i][j];
+ }
+ }
+ for (int j = 0; j < numVariables; j++) {
+ for (int i = 0; i < numTasks; i++) {
+ inputFile >> weightMatrix[i][j];
+ }
+ }
+ for (int j = 0; j < numVariables; j++) {
+ inputFile >> agentBudget[j];
+ }
+ }
+ else std::cout << "Unable to open file\n";
+
+ inputFile.close();
+
+}
+
+void DataGAP::print() {
+ if (debug) {
+ printf("Num agents: %2d\n", numVariables);
+ printf("Num tasks: %2d\n", numTasks);
+ }
+}
+
+
+double DataGAP::getAgentBudget(int i) const {
+ if (i >= numVariables) Util::throwInvalidArgument("Error: Out of range parameter i in getAgentBudget");
+ return agentBudget[i];
+}
+
+double DataGAP::getProfitMatrix(int i, int j) const {
+ if (i >= numTasks) {Util::throwInvalidArgument("Error: Out of range parameter i in getProfitMatrix");}
+ else if (j >= numVariables) {Util::throwInvalidArgument("Error: Out of range parameter j in getProfitMatrix");}
+ return profitMatrix[i][j];
+}
+
+double DataGAP::getWeightMatrix(int i, int j) const {
+ if (i >= numTasks) {Util::throwInvalidArgument("Error: Out of range parameter i in getWeightMatrix");}
+ else if (j >= numVariables) {Util::throwInvalidArgument("Error: Out of range parameter j in getWeightMatrix");}
+ return weightMatrix[i][j];
+}
+
+
+
+
+
+
diff --git a/src/DataGAP.h b/src/DataGAP.h
new file mode 100644
index 0000000..c29f03e
--- /dev/null
+++ b/src/DataGAP.h
@@ -0,0 +1,48 @@
+/*
+ * Copyright 2020 Arthur Moreira
+ *
+ * This is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * opw 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 General Public License for more details.
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ *
+ */
+
+#ifndef DATAGAP_H
+#define DATAGAP_H
+
+#include "Util.h"
+#include "Data.h"
+
+class DataGAP : public Data {
+
+ private:
+ int numVariables;
+ int numTasks;
+ vector > profitMatrix;
+ vector > weightMatrix;
+ vector agentBudget ;
+
+ public:
+
+ DataGAP();
+ virtual ~DataGAP();
+
+ virtual void readData();
+ virtual void print();
+
+ int getNumVariables() const {return numVariables;}
+ int getNumTasks() const {return numTasks;}
+ double getAgentBudget(int i) const ;
+ double getProfitMatrix(int i, int j) const ;
+ double getWeightMatrix(int i, int j) const ;
+};
+
+#endif
diff --git a/src/Execute.cc b/src/Execute.cc
index 0773336..5516de0 100644
--- a/src/Execute.cc
+++ b/src/Execute.cc
@@ -2,14 +2,30 @@
* Execute.cc
*
* Copyright(c) 2018
- * Cristiano Arbex Valle
- * All rights reserved.
+ * Cristiano Arbex Valle
+ * Arthur Moreira
+ *
+ * This is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * opw 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 General Public License for more details.
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ *
*/
+
#include "Execute.h"
#include "Options.h"
#include "DataCapitalBudgeting.h"
#include "ModelCapitalBudgeting.h"
+#include "DataGAP.h"
+#include "ModelGAP.h"
Execute::Execute() {
@@ -27,9 +43,12 @@ Execute::~Execute() {
void Execute::execute() {
float startTime = Util::getTime();
- if (Options::getInstance()->getStringOption("model").compare("toy") == 0) {
+ if (Options::getInstance()->getStringOption("model").compare("cbp") == 0) {
data = new DataCapitalBudgeting();
model = new ModelCapitalBudgeting();
+ } else if (Options::getInstance()->getStringOption("model").compare("gap") == 0) {
+ data = new DataGAP();
+ model = new ModelGAP();
} else {
data = new Data();
model = new Model();
diff --git a/src/GAPinstances.txt b/src/GAPinstances.txt
new file mode 100644
index 0000000..fbca762
--- /dev/null
+++ b/src/GAPinstances.txt
@@ -0,0 +1,62 @@
+ 10 60
+ 25 18 23 22 24 16 17 21 22 23 23 25 20 17 25 24 23 23 15 25 20
+ 24 18 21 19 15 20 17 20 17 22 24 15 17 16 20 19 24 20 20 25 17
+ 23 19 18 16 16 20 19 20 16 19 20 22 16 24 19 22 15 21
+ 16 17 22 15 18 22 17 15 23 18 25 21 21 23 17 21 17 25 21 21 15
+ 18 24 25 19 21 19 22 21 18 16 21 21 25 15 25 18 18 19 17 22 15
+ 19 16 17 18 20 16 16 16 17 24 18 22 18 16 23 21 18 15
+ 21 16 21 17 15 19 25 22 25 18 18 23 24 22 19 20 21 25 16 17 24
+ 16 19 17 17 16 16 24 16 17 23 24 20 23 17 17 25 22 19 24 24 18
+ 21 20 16 20 25 23 21 18 17 23 24 23 15 21 25 24 22 16
+ 22 15 25 24 25 20 16 17 15 20 19 23 17 20 24 25 24 23 22 20 23
+ 24 23 24 25 19 15 25 19 15 19 18 19 18 25 17 22 15 25 17 15 20
+ 22 23 17 21 16 22 21 20 23 23 23 23 22 18 22 18 18 24
+ 21 20 25 23 23 23 18 22 24 20 23 15 20 19 21 18 24 17 15 17 21
+ 21 19 24 24 15 24 21 24 23 25 17 23 17 18 19 20 25 25 21 20 23
+ 16 25 24 24 22 24 22 23 20 19 19 16 17 15 19 23 22 25
+ 15 16 15 15 24 25 19 22 15 23 21 19 16 21 16 15 21 17 23 20 25
+ 23 25 16 15 20 15 18 25 19 20 18 16 22 21 23 22 21 25 19 18 19
+ 16 22 15 15 22 21 16 21 23 19 20 24 18 17 18 17 19 16
+ 15 17 15 21 21 17 15 21 25 25 17 16 15 19 18 25 18 16 21 21 21
+ 20 24 21 15 15 21 25 24 22 20 15 21 25 22 18 15 21 15 22 15 23
+ 23 17 16 16 18 21 17 25 19 20 25 25 25 17 23 25 16 23
+ 22 16 25 22 20 18 23 18 22 25 17 15 15 23 20 22 19 15 20 23 16
+ 21 21 25 17 18 18 15 24 17 21 22 23 15 16 23 20 17 16 15 21 16
+ 21 23 16 24 15 21 22 18 20 19 18 22 20 20 19 16 18 22
+ 18 16 16 24 21 19 25 19 23 22 16 22 20 17 23 23 15 19 23 15 21
+ 17 22 20 21 15 23 15 21 15 22 25 18 19 21 25 15 15 15 24 22 19
+ 17 22 25 16 25 19 24 24 16 15 21 24 18 18 25 18 20 25
+ 21 15 19 24 21 16 23 19 22 24 20 19 20 20 21 23 19 15 23 15 17
+ 22 20 16 23 17 20 24 21 16 17 19 16 24 17 21 16 20 23 22 20 20
+ 20 18 15 19 25 22 21 19 18 23 15 16 24 20 19 25 15 17
+ 16 25 23 24 19 17 17 16 18 17 12 10 24 25 6 18 17 6 10 10 6
+ 11 8 25 22 18 18 12 17 5 16 8 17 15 22 13 13 15 10 25 15 18
+ 20 25 6 18 15 24 9 16 7 15 24 9 18 12 9 19 22 16
+ 10 7 20 18 19 7 8 8 18 7 8 16 14 11 20 17 5 6 17 19 21
+ 20 10 5 25 15 5 16 19 11 14 13 12 22 18 13 6 8 17 5 5 23
+ 23 11 12 17 17 19 21 24 15 11 23 11 18 6 21 8 24 14
+ 5 5 13 22 5 25 9 9 14 8 11 8 13 10 16 12 5 20 19 16 13
+ 19 18 8 18 6 23 9 12 12 21 11 13 8 17 16 12 14 22 13 12 16
+ 24 7 18 17 8 17 17 25 22 16 20 13 12 22 12 14 8 18
+ 25 19 15 7 21 16 23 10 24 14 19 17 10 14 25 21 13 6 8 8 15
+ 13 20 19 11 7 18 6 13 9 13 7 16 23 9 7 6 7 13 7 16 8
+ 21 14 16 25 22 7 10 13 17 23 6 19 22 15 14 10 23 25
+ 25 20 25 13 7 6 11 7 12 17 18 23 16 25 21 9 19 20 13 24 24
+ 9 17 20 19 13 6 18 11 8 5 6 17 11 9 8 16 16 24 12 5 12
+ 15 14 10 8 21 13 17 16 18 7 15 22 5 9 22 12 25 11
+ 23 8 15 7 15 7 12 10 17 13 13 11 21 23 21 8 10 17 15 25 10
+ 13 10 18 18 9 11 22 18 24 24 18 21 22 19 17 23 25 16 5 11 7
+ 10 18 5 7 19 12 9 23 25 17 13 11 10 6 5 19 22 24
+ 25 19 24 20 18 6 8 16 22 14 22 8 15 13 15 12 21 20 13 16 12
+ 20 7 18 19 24 9 7 10 11 17 17 11 21 25 5 18 9 22 22 11 9
+ 14 7 13 13 22 20 15 17 20 8 21 8 5 25 21 19 10 8
+ 18 24 20 8 19 21 23 6 20 23 23 9 7 23 20 7 6 11 23 16 17
+ 24 23 19 14 13 15 22 13 16 6 14 20 11 13 19 17 12 6 23 13 25
+ 23 12 17 5 24 25 11 10 25 25 22 12 12 10 8 8 18 14
+ 18 10 9 23 17 13 15 13 8 5 15 6 15 12 8 23 7 22 10 9 14
+ 24 8 11 7 20 24 6 22 20 6 18 8 10 6 22 18 18 5 7 13 25
+ 7 15 18 15 19 7 23 11 7 6 9 15 7 12 9 20 11 23
+ 22 20 10 16 24 22 15 5 25 24 11 8 7 20 24 6 19 13 14 8 18
+ 6 16 21 6 16 14 21 18 5 15 21 7 10 20 18 22 14 12 18 17 9
+ 14 12 17 22 8 16 13 12 6 20 20 6 9 22 13 20 24 19
+ 75 68 67 70 70 72 73 77 64 72
\ No newline at end of file
diff --git a/src/GLPK.cc b/src/GLPK.cc
new file mode 100644
index 0000000..98ab6de
--- /dev/null
+++ b/src/GLPK.cc
@@ -0,0 +1,404 @@
+/*
+ * Copyright 2020 Arthur Moreira
+ *
+ * This is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * opw 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 General Public License for more details.
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ *
+ */
+
+
+/* Normally all GLPK API routines start array indexing from 1,
+ * not from 0 (except the specially stipulated cases).
+ * This means, for example, that if some vector x of the length n
+ * is passed as an array to some GLPK API routine, the latter expects
+ * vector components to be placed in locations x[1], x[2], . . . , x[n],
+ * and the location x[0] normally is not used.
+ * To avoid indexing errors it is most convenient and most reliable
+ * to declare the array x as follows:
+ * double x[1+n];
+ *
+*/
+
+
+#include "GLPK.h"
+#include "Model.h"
+
+
+GLPK::GLPK() : Solver() {
+
+ //env = glp_init_env();
+ problem = glp_create_prob();
+ glp_init_iocp(&parm);
+}
+
+GLPK::~GLPK() {
+
+ glp_free_env();
+}
+
+void GLPK::deleteAndRecreateProblem() {
+
+ glp_delete_prob(problem);
+ problem = glp_create_prob();
+}
+
+void GLPK::printSolverName() {
+ printf("Solver used is GLPK\n");
+}
+
+int GLPK::getNumRows() {
+ return glp_get_num_rows(problem);
+}
+
+int GLPK::getNumCols() {
+ return glp_get_num_cols(problem);
+}
+
+void GLPK::changeObjectiveSense(bool isMax) {
+ glp_set_obj_dir(problem, isMax ? GLP_MAX : GLP_MIN);
+}
+
+
+int GLPK::getNodeCount() {
+ return 0;
+}
+
+/*
+//print coefficients matrix
+void printmat(vector > coefs) {
+ unsigned int i, j;
+ for (i = 0; i < coefs.size(); ++i) {
+ for (j = 0; j < coefs.size(); ++j) {
+ printf("%f ", coefs[i][j]);
+ }
+ printf("\n");
+ }
+}
+*/
+
+
+
+/**
+ * lower -> lower bound of variable
+ * upper -> upper bound of variable
+ * obj -> objective function coefficient
+ * name -> if not empty set the variable name
+ */
+void GLPK::addVariable(const double lower, const double upper, const double obj, string name) {
+
+ int new_col;
+ new_col = glp_add_cols(problem, 1);
+ glp_set_col_name(problem, new_col, name.c_str());
+ if (lower == upper) {
+ glp_set_col_bnds(problem, new_col, GLP_FX, lower, upper);
+ }
+ else {
+ glp_set_col_bnds(problem, new_col, GLP_DB, lower, upper);
+ }
+
+ glp_set_obj_coef(problem, new_col, obj);
+
+ //TODO
+ //deal with name == NULL
+
+ addKey(name, new_col);
+}
+
+void GLPK::setVariableWarmStart(string colName, double value) {}
+
+void GLPK::setVariablesWarmStart(vector colNames, vector values) {}
+
+void GLPK::refineMIPStart() {}
+
+
+
+/**
+ * numCols -> number of variables to be added
+ * lower -> array of size (numCols), lower bound of variables
+ * upper -> array of size (numCols), upper bound of variables
+ * obj -> Array of size (numCols), objective function coefficients
+ * name -> if not empty set the variable name (includes index in the end starting from zero)
+ */
+void GLPK::addVariables(int numCols, const double lower, const double upper, const double *obj, string& name) {}
+
+
+
+/**
+ * numCols -> number of variables to be added
+ * ub -> upper bound of all variables
+ * lb -> lower bound of all variables
+ * obj -> Array of size (numCols), objective function coefficients
+ * name -> if not empty set the variable name (includes index in the end starting from zero)
+ */
+void GLPK::addIntegerVariables(int numCols, double lb, double ub, const double* obj, string& name) {}
+
+void GLPK::addIntegerVariable(const double lower, const double upper, const double obj, string name) {
+
+ int new_col;
+ new_col = glp_add_cols(problem, 1);
+ glp_set_col_name(problem, new_col, name.c_str());
+ glp_set_col_bnds(problem, new_col, GLP_DB, lower, upper);
+ glp_set_obj_coef(problem, new_col, obj);
+ glp_set_col_kind(problem, new_col, GLP_IV);
+
+ //TODO
+ //deal with name == NULL
+
+ addKey(name, new_col);
+}
+
+/* obj -> objective function coefficient
+ * name -> if not empty, set variable name
+ */
+
+void GLPK::addBinaryVariable(const double obj, string name) {
+
+ int new_col;
+ new_col = glp_add_cols(problem, 1);
+ glp_set_col_name(problem, new_col, name.c_str());
+ glp_set_col_bnds(problem, new_col, GLP_DB, 0, 1);
+ glp_set_obj_coef(problem, new_col, obj);
+ glp_set_col_kind(problem, new_col, GLP_BV);
+
+
+ //TODO
+ //deal with name == NULL
+
+
+ addKey(name, new_col);
+}
+
+
+/**
+ * numCols -> number of variables to be added
+ * obj -> Array of size (numCols), objective function coefficients
+ * name -> if not empty set the variable name (includes index in the end starting from zero)
+ */
+void GLPK::addBinaryVariables(int numCols, const double* obj, string& name) {
+
+ int first_new_col;
+
+ // this function returns the ordinal number of
+ // the first of the new added columns
+ first_new_col = glp_add_cols(problem, numCols);
+
+ for (int i = 0; i < numCols; i++) {
+ string n = name + lex(i);
+ glp_set_col_name(problem, first_new_col + i, n.c_str());
+ glp_set_col_bnds(problem, first_new_col + i, GLP_DB, 0, 1);
+ glp_set_obj_coef(problem, first_new_col + i, obj[i]);
+ glp_set_col_kind(problem, first_new_col + i, GLP_BV);
+ addKey(n, first_new_col + i);
+ }
+}
+
+/**
+ * colNames - Variable names of the corresponding constraint
+ * elements - non zero coefficients
+ * rhs - right hand side
+ * sense - 'L': <=
+ * 'E': ==
+ * 'G': >=
+ * name - constraint name
+ */
+void GLPK::addRow(vector colNames, vector elements, double rhs, char sense, string name) {
+
+ int numNonZero = (int)colNames.size();
+
+ vector col_indices(numNonZero+1); //+1 por causa do GLPK
+ vector elements_a(numNonZero+1);
+ for (int i = 0; i < numNonZero; i++) {
+ elements_a[i+1] = elements[i];
+
+ col_indices[i+1] = getColIndex(colNames[i].c_str());
+ if (col_indices[i+1] == -1) printf("In addRow, colIndice was not found for variable %s. Is the name wrong?\n", colNames[i].c_str());
+ }
+
+ //for (int i = 0; i < numNonZero; i++) printf("%d\n", col_indices[i+1]);
+
+ int new_row;
+ new_row = glp_add_rows(problem, 1);
+ glp_set_row_name(problem, new_row, name.c_str());
+ if (sense == 'L') {
+ glp_set_row_bnds(problem, new_row, GLP_UP, -1 * DBL_MAX, rhs);
+ }
+ else if (sense == 'E') {
+ glp_set_row_bnds(problem, new_row, GLP_FX, rhs, rhs);
+ }
+ else if (sense == 'G') {
+ glp_set_row_bnds(problem, new_row, GLP_LO, rhs, DBL_MAX);
+ }
+
+ //set coeficients
+ glp_set_mat_row(problem, new_row, numNonZero, &col_indices[0], &elements_a[0]);
+
+ //TODO
+ //deal with name == NULL
+}
+
+void GLPK::setPriorityInBranching(vector colNames, int priority) {}
+
+void GLPK::setPriorityInBranching(vector colNames, vector priorities) {}
+
+void GLPK::relax() {}
+
+void GLPK::doSolve() {
+ status = glp_intopt(problem, &parm);
+}
+
+int GLPK:: getStatus() {
+ return status;
+}
+
+double GLPK::getObjValue() {
+ double objValue = 0;
+ objValue = glp_get_obj_val(problem);
+ return objValue;
+}
+
+double GLPK::getBestBound() { return 0; }
+
+void GLPK::getColSolution() {
+ int numCols = getNumCols();
+ colSolution.resize(numCols);
+ for (int i = 0; i < numCols; i++) {
+ colSolution[i] = glp_get_col_prim(problem, i+1);
+ }
+ // return colSolution;
+}
+
+// PARAMS
+
+void GLPK::setLPMethod(int lp) {
+ // 1 - Primal
+ // 2 - Dual
+
+ // if (lp == 1) parm.meth = GLP_PRIMAL;
+ // else if (lp == 2) parm.meth = GLP_DUAL;
+}
+
+ // in milliseconds
+void GLPK::setTimeLimit(double time) {
+ if (time > 0) {
+ parm.tm_lim = time;
+ }
+}
+
+// Nao achei respectiva função no GLPK
+void GLPK::setNodeLimit(int lim) {}
+
+void GLPK::setLPTolerance(double tolerance) {}
+
+void GLPK::setMIPTolerances(double tolerance) {}
+
+void GLPK::setRandomSeed(int seed) {}
+
+void GLPK::setNumericalEmphasis(int value) {}
+
+void GLPK::enablePresolve(bool enable) {
+ if (enable) parm.presolve = GLP_ON;
+}
+
+void GLPK::disableDefaultCuts(bool disable) {}
+
+void GLPK::setSolverCuts(int solverCuts, int clique, int cover, int disj, int landp, int flowcover, int flowpath, int gomory, int gub, int implbd, int mir, int mcf, int zerohalf) {}
+
+void GLPK::setMIPEmphasis(int t) {}
+
+void GLPK::setSolverParallelism (int t, int m) {}
+
+void GLPK::setSolverLocalBranching(int t) {}
+
+void GLPK::setBranchingPolicy(int t) {}
+
+void GLPK::setNodeHeuristic(int t) {}
+
+void GLPK::setProbingLevel(int t) {}
+
+
+// DEBUG
+
+void GLPK::debugInformation(int debug) {}
+
+void GLPK::debugLevel(int debugLevel) {}
+
+void GLPK::exportModel(const char* filename) {
+ glp_write_lp(problem, NULL, filename);
+}
+
+
+///////////////////////////////
+// //
+// //
+// STATUS FUNCTIONS //
+///////////////////////////////
+
+bool GLPK::solutionExists() {
+ return isOptimal() || isSolutionLimit() || isMIPTimeLimitFeasible() || isBestNumerical() || status == GLP_FEAS;
+}
+
+bool GLPK::isOptimal() {
+ return isIntegerOptimal() || status == GLP_OPT;
+}
+
+bool GLPK::isIntegerOptimal() {
+ return status == GLP_OPT;
+}
+
+bool GLPK::isInfeasible() {
+ return status == GLP_INFEAS || status == GLP_NOFEAS;
+}
+
+bool GLPK::isInfeasibleDueToScaling() { return 0; }
+
+bool GLPK::isUnbounded() {
+ return status == GLP_UNBND;
+}
+
+bool GLPK::isInfeasibleOrUnbounded() { return 0; }
+
+bool GLPK::isSolutionLimit() {
+ return status;
+}
+
+bool GLPK::isTimeLimit() {
+ return status == GLP_ETMLIM || isMIPTimeLimitFeasible() ||
+ isMIPTimeLimitInfeasible();
+}
+
+bool GLPK::isMIPTimeLimitFeasible() { return 0; }
+
+bool GLPK::isMIPTimeLimitInfeasible() { return 0; }
+
+bool GLPK::isObjectiveLimitReached() {
+ //for the dual simplex only
+ return status == GLP_EOBJLL || status == GLP_EOBJUL;
+}
+
+bool GLPK::isIterationLimitReached() {
+ return status == GLP_EITLIM;
+}
+
+bool GLPK::isBestNumerical() { return 0; }
+
+bool GLPK::isNumericalDifficulties() { return 0; }
+
+
+///////////////////////////////////
+// //
+// //
+//STATUS FUNCIONS //
+///////////////////////////////////
+
+
+
+
diff --git a/src/GLPK.h b/src/GLPK.h
new file mode 100644
index 0000000..d1136ed
--- /dev/null
+++ b/src/GLPK.h
@@ -0,0 +1,131 @@
+/*
+ * GLPK.cc
+ *
+ * Copyright 2020 Arthur Moreira
+ *
+ * This is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * opw 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 General Public License for more details.
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ *
+ * */
+
+
+#pragma once
+
+#include
+#include "Solver.h"
+
+
+
+class GLPK : public Solver {
+
+ private:
+ //int env;
+ glp_prob *problem;
+ glp_iocp parm;
+
+ public:
+ GLPK();
+ virtual ~GLPK();
+ virtual void deleteAndRecreateProblem();
+
+ //set data
+ virtual void changeObjectiveSense(bool isMax);
+ virtual void addVariable(const double lower, const double upper, const double obj, string name);
+ virtual void addVariables(int numCols, const double lower, const double upper, const double* obj, string& name);
+ virtual void addBinaryVariable(const double obj, string name);
+ virtual void addBinaryVariables(int numCols, const double* obj, string& name);
+ virtual void addIntegerVariable(const double lower, const double upper, const double obj, string name);
+ virtual void addIntegerVariables(int numCols, double lb, double ub, const double* obj, string& name);
+ //SENSE
+ //L - <=
+ //E - ==
+ //G - >=
+ virtual void addRow(vector colNames, vector elements, double rhs, char sense, string name);
+ virtual void setPriorityInBranching(vector colNames, int priority);
+ virtual void setPriorityInBranching(vector colNames, vector priorities);
+
+ virtual void setVariablesWarmStart(vector colNames, vector values);
+ virtual void setVariableWarmStart(string colName, double value);
+ virtual void refineMIPStart();
+
+ virtual void relax();
+ virtual void doSolve();
+
+ //Get data
+ virtual int getNumCols();
+ virtual int getNumRows();
+ virtual int getStatus();
+ virtual double getObjValue();
+ virtual double getBestBound();
+ virtual void getColSolution();
+
+ virtual int getNodeCount();
+
+ // Params
+ virtual void setTimeLimit(double time);
+ virtual void setNodeLimit(int lim);
+ virtual void enablePresolve(bool enable = true);
+
+ virtual void setLPMethod(int lp);
+ virtual void setLPTolerance(double tolerance);
+ virtual void setMIPTolerances(double tolerance);
+ virtual void setRandomSeed(int seed);
+ virtual void setNumericalEmphasis(int value);
+ virtual void disableDefaultCuts(bool disable = true);
+ virtual void setSolverCuts(int solverCuts = 0, int clique = -2, int cover = -2, int disj = -2, int landp = -2,
+ int flowcover = -2, int flowpath = -2, int gomory = -2, int gub = -2, int implbd = -2,
+ int mir = -2, int mcf = -2, int zerohalf = -2);
+
+
+ // 0 - balanced, 1 - feasibility, 2 - optimality
+ virtual void setMIPEmphasis(int t);
+ virtual void setSolverParallelism(int t, int m);
+ virtual void setSolverLocalBranching(int t);
+ virtual void setBranchingPolicy(int t);
+ virtual void setNodeHeuristic(int t);
+ virtual void setProbingLevel(int t);
+
+
+ // Debug
+ virtual void printSolverName();
+ virtual void debugInformation(int debug);
+ virtual void debugLevel(int debugLevel);
+ virtual void exportModel(const char* filename);
+
+ // Status
+ virtual bool solutionExists();
+
+ virtual bool isOptimal ();
+ virtual bool isIntegerOptimal ();
+ virtual bool isInfeasible ();
+ virtual bool isInfeasibleDueToScaling();
+ virtual bool isUnbounded ();
+ virtual bool isInfeasibleOrUnbounded ();
+ virtual bool isSolutionLimit ();
+ virtual bool isTimeLimit ();
+ virtual bool isMIPTimeLimitFeasible ();
+ virtual bool isMIPTimeLimitInfeasible();
+ virtual bool isObjectiveLimitReached ();
+ virtual bool isIterationLimitReached ();
+ virtual bool isBestNumerical ();
+ virtual bool isNumericalDifficulties ();
+
+ // Callbacks
+ /*
+ virtual void addLazyCallback (void* userData);
+ virtual void addUserCutCallback (void* userData);
+ virtual void addIncumbentCallback(void* userData);
+ virtual void addNodeCallback (void* userData);
+ virtual void addSolveCallback (void* userData);
+ virtual void addInfoCallback (void* userData);
+ */
+};
diff --git a/src/Model.cc b/src/Model.cc
index eaade67..c30628f 100644
--- a/src/Model.cc
+++ b/src/Model.cc
@@ -2,12 +2,27 @@
* Model.cc
*
* Copyright(c) 2018
- * Cristiano Arbex Valle
- * All rights reserved.
+ * Cristiano Arbex Valle
+ * Arthur Moreira
+ *
+ * This is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * opw 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 General Public License for more details.
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ *
*/
+
#include "Model.h"
#include "CPLEX.h"
+#include "GLPK.h"
#include "Options.h"
@@ -21,6 +36,8 @@ Model::Model() {
if (solverUsed.compare("cplex") == 0) {
solver = new CPLEX();
+ } else if (solverUsed.compare("glpk") == 0) {
+ solver = new GLPK();
} else {
solver = new Solver();
}
diff --git a/src/ModelGAP.cc b/src/ModelGAP.cc
new file mode 100644
index 0000000..2b8f9b5
--- /dev/null
+++ b/src/ModelGAP.cc
@@ -0,0 +1,154 @@
+/*
+ * Copyright 2020
+ * Arthur Moreira
+ *
+ * This is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * opw 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 General Public License for more details.
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ */
+
+#include "ModelGAP.h"
+#include "Options.h"
+#include "DataGAP.h"
+#include
+
+ModelGAP::ModelGAP() : Model() {
+ //number of agents (V) and tasks (T)
+ V = 0;
+ T = 0;
+ x = "x";
+}
+
+
+ModelGAP::~ModelGAP() {
+}
+
+
+void ModelGAP::execute(const Data* data) {
+
+ float startTime = Util::getTime();
+
+ if (debug > 1) solver->printSolverName();
+
+
+ createModel(data);
+ reserveSolutionSpace(data);
+ assignWarmStart();
+ setSolverParameters(1); // 1 = maximization
+
+ solver->addInfoCallback(this);
+
+ solve(data);
+ totalTime = Util::getTime() - startTime;
+ printSolutionVariables();
+}
+
+
+void ModelGAP::printSolutionVariables(int digits, int decimals) {
+ if (debug) {
+ printf("\nSolution: \n");
+ for (int i = 0; i < T; i++) {
+ for (int j = 0; j < V; j++) {
+ printf(" x_%d_%d = %.0f\n", i, j, sol_x[i][j]);
+ }
+ }
+ }
+}
+
+
+void ModelGAP::reserveSolutionSpace(const Data* data) {
+ sol_x.resize(T, vector (V,0));
+}
+
+void ModelGAP::readSolution() {
+ totalNodes = solver->getNodeCount();
+ solution->resetSolution();
+ solution->setSolutionStatus(solver->solutionExists(), solver->isOptimal(), solver->isInfeasible(), solver->isUnbounded());
+ if (!solver->solutionExists()) {
+ if (debug) printf("Solution does not exist\n");
+ }
+ else {
+ solution->setValue (solver->getObjValue() );
+ solution->setBestBound(solver->getBestBound());
+
+ for (int i = 0; i < T; i++) {
+ for (int j = 0; j < V; j++) {
+ sol_x[i][j] = solver->getColValue(x + lex(i) + lex(j));
+ }
+ }
+ }
+}
+
+
+void ModelGAP::createModel(const Data* data) {
+
+ const DataGAP* dataG = dynamic_cast(data);
+ V = dataG->getNumVariables();
+ T = dataG->getNumTasks();
+
+ //1 = maximisation problem, 0 = minimisation problem
+ solver->changeObjectiveSense(1);
+
+
+
+ //objective function data
+ for (int j = 0; j < V; j++) {
+ for (int i = 0; i < T; i++) {
+ solver->addBinaryVariable(dataG->getProfitMatrix(i,j), x + lex(i) + lex(j));
+ }
+ }
+
+
+ //constraints data
+ vector > colNames;
+ vector > colNames2;
+
+ vector > weights;
+ vector ones_array;
+
+ colNames.resize(T, vector (V, " "));
+ colNames2.resize(V, vector (T, " "));
+
+ weights.resize(V, vector (T, 0));
+ ones_array.resize(V, 1);
+
+ for (int i = 0; i < T; i++) {
+ for (int j = 0; j < V; j++) {
+ colNames[i][j] = x + lex(i) + lex(j);
+ colNames2[j][i] = x + lex(i) + lex(j);
+ }
+ }
+
+
+ //a matrix weights eh transposta
+ //pois addRow() recebe vetores coluna
+ for (int i = 0; i < T; i++) {
+ for (int j = 0; j < V; j++) {
+ weights[j][i] = dataG->getWeightMatrix(i,j);
+ }
+ }
+
+ for (int j = 0; j < V; j++) {
+ solver->addRow(colNames2[j], weights[j], dataG->getAgentBudget(j), 'L', "Agent " + lex(j) + " Budget");
+ }
+
+ //'each task to exactly one agent' constraint
+ for (int i = 0; i < T; i++) {
+ solver->addRow(colNames[i], ones_array, 1, 'E', "each task to one agent");
+ }
+
+
+
+}
+
+void ModelGAP::assignWarmStart() {
+
+}
diff --git a/src/ModelGAP.h b/src/ModelGAP.h
new file mode 100644
index 0000000..01bd1a4
--- /dev/null
+++ b/src/ModelGAP.h
@@ -0,0 +1,51 @@
+/*
+ * Copyright 2020 Arthur Moreira
+ *
+ * This is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * opw 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 General Public License for more details.
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ *
+ */
+
+#ifndef MODELGAP_H
+#define MODELGAP_H
+
+#include "Model.h"
+#include "Solution.h"
+
+
+class ModelGAP : public Model {
+
+ private:
+
+ string x;
+
+ int V;
+ int T;
+ vector > sol_x;
+
+ virtual void reserveSolutionSpace(const Data* data);
+ virtual void readSolution();
+ virtual void assignWarmStart();
+ virtual void createModel(const Data* data);
+
+ void printSolutionVariables(int digits = 5, int decimals = 2);
+
+ public:
+
+ ModelGAP();
+
+ virtual ~ModelGAP();
+
+ virtual void execute(const Data* data);
+};
+
+#endif
diff --git a/src/Options.cc b/src/Options.cc
index cabf713..bfa2d34 100644
--- a/src/Options.cc
+++ b/src/Options.cc
@@ -1,11 +1,22 @@
-/**
- * Options.cc
- *
+/*
* Copyright(c) 2018
- * Cristiano Arbex Valle
- * All rights reserved.
+ * Cristiano Arbex Valle
+ * Arthur Moreira
+ *
+ * This is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * opw 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 General Public License for more details.
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
*/
+
#include "Options.h"
#include
#include
@@ -18,7 +29,7 @@
Options* Options::instance = new Options();
-Options* Options::getInstance () {
+Options* Options::getInstance() {
return instance;
}
@@ -53,9 +64,11 @@ void Options::assignDefaultValues() {
vector solverValues;
solverValues.push_back("cplex");
+ solverValues.push_back("glpk");
vector modelValues;
- modelValues.push_back("toy");
+ modelValues.push_back("cbp");
+ modelValues.push_back("gap");
vector empty;
@@ -281,7 +294,7 @@ void Options::print() {
void Options::printHelp() {
printf("Usage:\n");
- printf("tesco [options]\n");
+ printf("opw [options]\n");
printf("\n");
printf("Options:\n");
for (int i = 0; i < (int)options.size(); i++) {
diff --git a/src/Options.h b/src/Options.h
index 7af619c..a494d4e 100644
--- a/src/Options.h
+++ b/src/Options.h
@@ -1,9 +1,19 @@
-/**
- * Options.h
- *
+/*
* Copyright(c) 2018
- * Cristiano Arbex Valle
- * All rights reserved.
+ * Cristiano Arbex Valle
+ * Arthur Moreira
+ *
+ * This is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * opw 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 General Public License for more details.
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
*/
/*********************************************
@@ -11,13 +21,7 @@
*
* Format: --optionName=value
*
- * Example: ./ssd --debug=1
- *
- * The exception is the input file. Its format is just its name.
- *
- * Example: ./ssd inputFile --debug=1
- *
- *
+ * Example: ./opw --debug=1
* ----------------------------------------------
*/
@@ -37,7 +41,10 @@ class Options {
/**
* Instancia singleton desta classe.
*/
- static Options* instance;
+ static Options* instance;
+
+ // input file, must be provided (no name for this option)
+ string inputFile;
vector options;
map optionsMap;
@@ -70,6 +77,9 @@ class Options {
string getOutputOptionsAsText();
string getModifiedOptionsAsText();
+ // input file
+ string getInputFile() { return inputFile; }
+
// get option values
bool getBoolOption (string name);
int getIntOption (string name);
diff --git a/src/Solution.cc b/src/Solution.cc
index 8c5f6aa..ad06940 100644
--- a/src/Solution.cc
+++ b/src/Solution.cc
@@ -1,11 +1,22 @@
-/**
- * Solution.cc
- *
+/*
* Copyright(c) 2018
- * Cristiano Arbex Valle
- * All rights reserved.
+ * Cristiano Arbex Valle
+ * Arthur Moreira
+ *
+ * This is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * opw 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 General Public License for more details.
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
*/
+
#include "Solution.h"
#include "Options.h"
diff --git a/src/Solver.h b/src/Solver.h
index e90d3b2..2ae9c08 100644
--- a/src/Solver.h
+++ b/src/Solver.h
@@ -1,9 +1,19 @@
-/**
- * Solver.h
- *
+/*
* Copyright(c) 2018
- * Cristiano Arbex Valle
- * All rights reserved.
+ * Cristiano Arbex Valle
+ * Arthur Moreira
+ *
+ * This is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * opw 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 General Public License for more details.
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
*/
#ifndef SOLVER_H
@@ -25,7 +35,7 @@ class SolverError {
/**
- * Solver, superclass of cplex, gurobi, etc.
+ * Solver, superclass of cplex, glpk, gurobi, etc.
*/
class Solver {
diff --git a/tests/CapitalBudgetingProblem/README.md b/tests/CapitalBudgetingProblem/README.md
new file mode 100644
index 0000000..d008f89
--- /dev/null
+++ b/tests/CapitalBudgetingProblem/README.md
@@ -0,0 +1 @@
+# Capital Budgeting Problem (CBP)
diff --git a/tests/GeneralizedAssignmentProblem/README.md b/tests/GeneralizedAssignmentProblem/README.md
new file mode 100644
index 0000000..4ef7225
--- /dev/null
+++ b/tests/GeneralizedAssignmentProblem/README.md
@@ -0,0 +1,64 @@
+# Generalized Assignment Problem (GAP)
+
+These instances are provided by the OR-Library, maintained by J.E. Beasley
+
+http://people.brunel.ac.uk/~mastjjb/jeb/orlib/gapinfo.html
+
+ The problems in these data files were used in:
+
+ I.H. Osman, "Heuristics for the Generalised Assignment Problem:
+ Simulated Annealing and Tabu Search Approaches", OR Spektrum, Volume
+ 17, 211-225, 1995
+
+ D. Cattrysse, M. Salomon and L.N. Van Wassenhove, "A
+ set partitioning heuristic for the generalized
+ assignment problem", European Journal of Operational Research, Volume
+ 72, 167-174, 1994
+
+ The format for each of these data files is:
+ ```
+ number of different problem sets (P)
+ for each problem set p (p=1,...,P) in turn:
+ number of agents (m), number of jobs (n)
+ for each agent i (i=1,...,m) in turn:
+ cost of allocating job j to agent i (j=1,...,n)
+ for each agent i (i=1,...,m) in turn:
+ resource consumed in allocating job j to agent i (j=1,...,n)
+ resource capacity of agent i (i=1,...,m)
+```
+
+ The problems in each data file have an associated notation as
+ follows:
+ ```
+ c515-1 : denotes a problem of type c with 5-agents and
+ 15-jobs, problem number 1 in a group of
+ problems of the same size.
+ ```
+
+ The optimal solution values are given below for these
+ problems when solved as maximisation problems.
+```
+
+ gap1 gap2 gap3 gap4
+ c515-1 336 c520-1 434 c525-1 580 c530-1 656
+ c515-2 327 c520-2 436 c525-2 564 c530-2 644
+ c515-3 339 c520-3 420 c525-3 573 c530-3 673
+ c515-4 341 c520-4 419 c525-4 570 c530-4 647
+ c515-5 326 c520-5 428 c525-5 564 c530-5 664
+
+ gap5 gap6 gap7 gap8
+ c824-1 563 c832-1 761 c840-1 942 c848-1 1133
+ c824-2 558 c832-2 759 c840-2 949 c848-2 1134
+ c824-3 564 c832-3 758 c840-3 968 c848-3 1141
+ c824-4 568 c832-4 752 c840-4 945 c848-4 1117
+ c824-5 559 c832-5 747 c840-5 951 c848-5 1127
+
+ gap9 gap10 gap11 gap12
+ c1030-1 709 c1040-1 958 c1050-1 1139 c1060-1 1451
+ c1030-2 717 c1040-2 963 c1050-2 1178 c1060-2 1449
+ c1030-3 712 c1040-3 960 c1050-3 1195 c1060-3 1433
+ c1030-4 723 c1040-4 947 c1050-4 1171 c1060-4 1447
+ c1030-5 706 c1040-5 947 c1050-5 1171 c1060-5 1446
+```
+
+The largest file is gap12 of size 20Kb (approximately).
diff --git a/tests/GeneralizedAssignmentProblem/gap1.txt b/tests/GeneralizedAssignmentProblem/gap1.txt
new file mode 100644
index 0000000..b874331
--- /dev/null
+++ b/tests/GeneralizedAssignmentProblem/gap1.txt
@@ -0,0 +1,61 @@
+ 5
+ 5 15
+ 17 21 22 18 24 15 20 18 19 18 16 22 24 24 16
+ 23 16 21 16 17 16 19 25 18 21 17 15 25 17 24
+ 16 20 16 25 24 16 17 19 19 18 20 16 17 21 24
+ 19 19 22 22 20 16 19 17 21 19 25 23 25 25 25
+ 18 19 15 15 21 25 16 16 23 15 22 17 19 22 24
+ 8 15 14 23 8 16 8 25 9 17 25 15 10 8 24
+ 15 7 23 22 11 11 12 10 17 16 7 16 10 18 22
+ 21 20 6 22 24 10 24 9 21 14 11 14 11 19 16
+ 20 11 8 14 9 5 6 19 19 7 6 6 13 9 18
+ 8 13 13 13 10 20 25 16 16 17 10 10 5 12 23
+ 36 34 38 27 33
+ 5 15
+ 19 23 24 20 20 25 16 21 24 15 17 17 20 20 20
+ 25 24 16 21 19 17 17 19 23 21 21 23 20 15 16
+ 16 21 25 22 24 24 16 17 15 18 15 17 18 24 18
+ 25 24 18 19 15 18 20 22 23 18 16 19 17 15 22
+ 25 19 21 22 20 15 20 19 18 18 17 23 17 25 25
+ 16 12 8 20 18 10 12 8 14 23 19 14 15 15 24
+ 16 18 19 22 13 20 9 7 25 10 20 13 11 15 16
+ 6 20 20 5 14 12 6 15 22 18 13 23 23 18 25
+ 18 23 25 17 25 13 23 23 13 20 20 23 17 19 24
+ 12 17 15 25 22 5 24 19 12 25 23 21 23 19 18
+ 36 37 38 48 44
+ 5 15
+ 22 21 16 17 21 15 17 22 22 25 18 20 24 15 22
+ 23 24 19 15 16 21 15 25 16 21 20 19 16 23 20
+ 21 20 21 25 21 20 21 19 17 16 25 19 15 15 15
+ 17 21 25 25 23 22 20 19 20 25 15 20 21 25 23
+ 15 25 23 19 17 17 25 24 24 17 24 19 18 19 16
+ 23 10 15 13 17 10 13 6 9 21 20 7 9 25 8
+ 17 13 8 23 11 18 7 22 13 5 24 24 15 10 22
+ 22 17 22 23 20 11 17 25 23 9 22 20 15 9 25
+ 5 19 25 16 15 10 18 9 11 20 7 21 15 8 25
+ 22 9 10 23 19 21 17 15 15 17 25 19 10 9 21
+ 32 37 44 35 40
+ 5 15
+ 15 25 20 18 19 21 18 22 24 15 25 17 17 15 22
+ 20 18 25 25 16 24 22 24 17 18 23 25 21 25 24
+ 25 19 18 18 23 18 15 22 23 16 25 22 22 15 16
+ 19 19 23 17 19 19 22 19 23 22 24 22 25 19 16
+ 25 24 17 19 25 19 23 19 25 15 19 21 18 19 22
+ 20 20 18 9 18 5 16 18 13 24 21 23 15 19 9
+ 5 12 18 8 22 19 19 11 7 19 20 17 21 25 5
+ 18 8 8 9 20 20 23 13 15 12 6 12 25 25 23
+ 17 19 24 9 16 22 10 17 12 17 15 21 16 18 6
+ 14 6 20 6 21 5 11 23 20 21 20 18 13 13 21
+ 39 36 37 38 37
+ 5 15
+ 25 25 18 24 20 19 25 24 23 15 18 18 25 15 22
+ 25 18 17 22 21 23 20 23 16 19 15 18 16 23 16
+ 18 16 19 15 15 18 15 20 19 24 22 20 25 16 21
+ 18 21 16 18 17 24 18 23 22 16 17 22 22 18 16
+ 17 18 15 21 23 21 24 23 20 22 19 15 22 22 25
+ 16 20 9 22 17 19 20 22 20 13 6 20 23 19 7
+ 12 22 18 18 6 13 17 17 17 14 20 12 17 14 22
+ 5 19 19 14 24 16 7 8 9 22 13 23 24 15 20
+ 20 8 6 9 5 17 23 18 14 12 14 17 15 23 21
+ 6 6 24 24 8 7 5 25 21 18 12 20 20 7 12
+ 40 38 38 35 34
diff --git a/tests/GeneralizedAssignmentProblem/gap10.txt b/tests/GeneralizedAssignmentProblem/gap10.txt
new file mode 100644
index 0000000..ff376ea
--- /dev/null
+++ b/tests/GeneralizedAssignmentProblem/gap10.txt
@@ -0,0 +1,211 @@
+ 5
+ 10 40
+ 17 21 25 19 24 22 24 20 23 15 16 17 23 21 20 21 22 19 24 22 16
+ 23 24 16 24 15 17 17 19 19 25 18 21 15 21 23 18 21 19 16
+ 16 16 18 15 16 22 20 24 25 23 20 25 15 16 22 19 22 16 23 18 21
+ 24 22 22 17 25 15 24 16 16 18 20 15 15 16 24 16 20 17 21
+ 25 24 24 18 20 19 25 17 19 19 22 18 19 19 24 22 22 20 16 25 19
+ 25 19 21 20 24 20 20 15 24 23 23 17 15 24 20 23 19 19 22
+ 21 18 19 21 23 15 17 19 25 25 15 20 18 18 15 21 22 16 25 17 17
+ 16 15 17 24 25 24 22 23 24 20 17 20 16 24 18 21 22 20 16
+ 23 22 15 17 25 25 24 20 21 23 17 23 21 18 18 22 18 15 15 21 19
+ 24 16 19 20 16 23 17 15 24 15 24 19 21 17 16 16 22 16 24
+ 19 17 19 24 25 23 19 15 22 23 15 22 19 19 17 16 22 19 20 22 25
+ 15 24 24 24 22 22 19 21 23 24 17 23 17 20 22 20 25 19 20
+ 17 25 23 21 21 16 18 19 20 19 17 21 23 16 19 23 23 18 24 15 19
+ 22 25 21 19 17 25 18 22 21 16 15 20 15 19 24 25 18 15 21
+ 15 23 18 15 24 18 16 24 25 24 17 25 21 22 22 18 20 16 16 23 23
+ 23 15 24 20 20 18 25 16 22 20 23 15 17 19 16 18 16 16 23
+ 18 23 24 21 18 16 18 24 16 21 21 23 25 17 19 20 17 15 23 16 24
+ 21 22 15 19 22 22 17 25 21 16 15 21 20 25 21 16 17 15 21
+ 21 16 17 18 18 23 18 22 24 22 21 17 24 25 24 15 25 17 15 19 20
+ 20 25 25 18 25 17 21 21 15 24 16 24 17 22 15 22 19 24 17
+ 9 14 23 14 12 6 15 16 15 12 14 18 9 22 8 23 6 19 6 8 8
+ 15 7 16 24 5 18 16 13 13 11 7 19 19 15 21 20 18 11 8
+ 21 24 24 19 14 22 9 24 19 24 11 23 18 22 9 9 14 15 21 5 25
+ 5 20 13 7 6 8 16 21 22 5 18 10 20 8 9 14 9 5 22
+ 18 12 6 14 17 7 24 20 19 10 13 25 23 7 6 9 17 9 6 21 24
+ 13 18 5 21 21 15 11 15 15 15 18 21 9 22 8 8 18 13 12
+ 23 7 9 13 7 17 14 10 17 9 11 22 25 19 12 5 20 5 24 22 7
+ 11 24 19 8 15 9 21 11 9 15 12 18 25 8 14 20 21 22 8
+ 7 8 13 10 12 25 7 5 14 17 16 15 10 9 6 16 6 23 23 10 16
+ 5 16 11 23 15 6 13 12 21 10 15 21 12 14 14 24 22 13 5
+ 17 9 22 8 19 8 7 11 14 14 17 23 25 21 12 20 8 20 9 5 8
+ 16 16 23 22 20 17 21 11 12 9 15 21 17 13 18 23 6 8 20
+ 14 12 24 12 14 5 24 11 13 21 15 18 14 18 5 11 21 16 5 17 6
+ 10 21 11 13 24 13 25 10 21 11 22 11 16 15 17 21 11 21 24
+ 22 20 21 12 17 24 21 7 9 23 13 11 19 17 17 20 14 10 11 16 8
+ 7 21 16 24 9 16 15 10 23 10 13 9 6 18 23 19 22 13 18
+ 6 11 16 17 6 8 18 24 19 9 18 18 7 13 11 20 19 22 19 20 14
+ 10 6 6 25 7 8 18 19 17 6 25 13 12 22 23 8 12 5 19
+ 7 14 11 6 11 25 18 10 9 10 13 23 12 17 11 14 12 19 20 8 8
+ 8 20 25 19 21 25 23 23 11 19 13 21 25 20 22 16 8 24 20
+ 44 48 46 47 43 48 49 49 46 51
+ 10 40
+ 17 17 16 22 24 15 19 21 19 25 25 16 18 19 21 17 15 20 20 15 20
+ 17 23 15 16 21 25 18 23 15 22 22 15 24 25 24 21 19 23 18
+ 21 20 19 22 20 18 20 17 15 21 16 17 15 21 25 22 24 20 22 20 16
+ 25 22 24 25 23 15 25 21 15 16 19 18 23 22 19 16 15 19 15
+ 25 21 23 16 16 22 18 25 23 23 23 23 21 18 19 19 19 22 22 20 16
+ 25 19 24 18 18 18 16 23 22 25 25 22 24 16 19 25 20 15 18
+ 18 16 21 19 25 25 24 17 18 25 20 21 22 23 20 22 25 25 19 22 23
+ 19 17 16 16 21 25 21 23 20 20 15 18 21 21 20 17 15 24 22
+ 19 18 21 25 25 21 23 15 16 21 18 23 21 24 23 23 20 20 23 24 15
+ 24 20 20 19 18 17 21 24 19 19 17 24 17 23 18 25 22 17 25
+ 25 17 18 19 25 23 23 17 17 21 24 18 19 15 16 21 24 20 15 25 22
+ 16 17 16 24 15 19 17 25 16 25 21 20 17 25 22 15 16 20 15
+ 22 24 22 17 21 24 15 23 23 17 16 25 16 17 23 19 17 16 25 24 22
+ 16 18 22 17 16 22 15 17 20 25 17 23 23 18 24 15 19 25 23
+ 16 25 22 16 25 19 20 22 16 22 23 25 22 18 23 25 20 15 19 20 20
+ 17 20 17 21 25 16 17 17 24 18 21 15 17 18 20 15 21 19 18
+ 22 16 23 23 17 15 20 23 20 19 22 21 20 16 21 17 19 18 15 25 25
+ 15 17 22 23 20 21 19 20 19 17 22 25 20 18 22 16 23 16 21
+ 25 24 24 20 18 19 16 22 25 24 19 23 23 19 15 22 20 24 17 24 20
+ 23 25 23 18 17 20 18 16 21 21 16 20 15 25 15 25 20 17 15
+ 18 9 22 18 13 10 13 15 7 13 13 13 23 7 13 8 18 10 6 19 13
+ 19 20 17 24 15 16 23 17 13 18 9 17 17 5 5 16 16 9 17
+ 10 10 15 12 15 20 10 8 5 12 13 5 21 18 12 12 16 5 10 13 13
+ 9 15 14 21 19 5 23 11 9 21 20 23 9 8 22 13 17 19 7
+ 25 19 16 18 15 12 5 17 9 18 23 7 22 9 13 7 20 13 25 13 16
+ 25 6 12 10 25 14 23 16 6 22 12 17 7 15 10 25 5 20 25
+ 5 5 19 23 22 18 12 12 16 16 9 19 13 11 21 10 12 19 10 17 18
+ 8 17 5 13 21 24 9 15 11 10 21 5 14 21 8 9 7 13 11
+ 22 24 17 12 14 10 19 11 23 24 12 18 8 18 20 24 18 14 23 24 13
+ 15 5 25 11 9 13 20 5 17 15 12 22 12 8 6 7 17 18 17
+ 5 9 11 10 18 7 25 24 6 15 21 6 9 9 25 20 5 25 21 24 18
+ 21 19 12 21 11 22 10 22 23 7 10 13 5 22 15 17 8 6 19
+ 10 18 23 7 14 16 5 25 5 16 21 17 5 12 24 21 19 23 15 15 8
+ 21 16 17 16 9 17 25 11 20 24 25 6 20 19 12 19 9 25 5
+ 10 13 16 21 17 22 8 23 10 9 21 18 12 6 6 24 13 19 18 9 11
+ 13 8 20 24 8 12 10 24 6 25 11 21 21 10 10 16 15 24 15
+ 21 17 6 12 22 11 12 6 7 14 19 9 7 18 18 9 25 13 20 22 21
+ 5 17 16 12 13 18 18 5 6 24 25 9 17 13 22 23 23 8 15
+ 25 19 10 15 22 17 24 7 12 24 6 18 22 22 10 19 15 9 10 18 5
+ 24 22 17 9 20 7 14 21 5 22 24 7 20 16 17 7 9 7 14
+ 45 43 49 43 49 47 50 47 47 48
+ 10 40
+ 20 16 15 25 15 16 17 20 22 21 22 18 16 21 24 19 23 15 20 22 23
+ 22 16 23 19 17 20 25 21 16 15 17 17 17 19 16 20 16 22 17
+ 16 20 19 23 23 18 21 19 22 17 16 20 25 17 18 18 19 15 20 23 15
+ 24 24 23 22 18 15 21 17 24 18 17 22 23 21 15 17 16 24 15
+ 24 22 15 20 22 20 24 17 16 18 18 22 24 25 20 18 17 15 17 19 23
+ 22 20 23 24 18 20 21 23 23 20 23 22 16 25 15 24 20 16 23
+ 23 23 25 23 19 21 15 25 20 21 18 15 17 21 24 23 21 16 18 24 18
+ 16 23 25 20 16 25 15 19 23 25 22 17 25 24 17 18 17 21 20
+ 25 21 21 20 22 15 16 17 17 20 20 22 22 22 17 18 18 20 22 19 18
+ 17 25 25 21 15 18 22 18 16 15 25 17 23 18 22 17 24 22 25
+ 21 22 18 25 21 15 20 20 21 17 22 15 18 16 18 24 21 18 21 22 23
+ 17 25 21 17 24 21 20 22 15 21 20 24 22 22 21 22 16 24 20
+ 19 18 20 19 20 20 25 19 20 23 17 16 19 24 17 23 24 17 22 23 16
+ 22 21 15 17 19 17 15 19 25 15 22 16 23 21 24 16 24 24 24
+ 21 21 21 25 18 25 23 21 25 17 19 25 20 25 15 17 20 23 21 15 24
+ 20 15 22 24 15 21 21 25 25 19 22 22 16 16 19 18 21 15 25
+ 25 18 22 19 19 18 17 19 21 17 16 24 23 25 17 16 24 19 20 17 23
+ 19 20 23 18 18 25 23 18 19 23 25 23 24 22 16 25 23 19 22
+ 15 25 23 21 21 21 19 24 23 21 20 16 25 19 20 17 23 22 20 19 16
+ 18 19 17 25 17 16 24 24 20 21 25 16 23 16 19 24 17 17 18
+ 5 11 18 13 21 19 25 14 9 22 12 20 21 8 20 11 14 10 10 11 23
+ 5 21 16 22 6 16 24 18 15 13 10 15 20 7 13 13 24 24 22
+ 18 25 6 15 15 17 25 20 9 21 24 18 8 21 23 20 12 10 11 17 17
+ 16 12 8 19 19 24 14 12 23 6 17 19 13 21 24 12 13 22 12
+ 24 20 14 15 18 14 24 12 9 21 19 20 10 23 8 23 22 6 11 23 9
+ 11 12 25 13 21 18 7 16 25 7 24 25 5 21 24 14 10 15 6
+ 22 8 11 22 6 6 20 12 13 13 18 18 13 13 5 9 12 22 5 16 11
+ 19 7 19 16 7 8 8 24 8 18 19 17 21 24 17 9 23 19 12
+ 22 6 21 14 12 20 9 19 15 7 21 25 21 25 11 19 19 25 11 9 5
+ 9 15 12 13 10 6 21 13 9 20 23 19 11 20 7 17 20 16 9
+ 17 22 24 6 13 15 11 16 20 6 21 22 12 25 14 6 15 12 13 5 14
+ 10 5 21 20 23 19 7 5 10 8 13 18 14 16 9 8 9 17 9
+ 5 14 25 20 18 13 24 13 22 7 25 13 9 15 9 19 12 8 11 6 14
+ 16 25 19 24 11 5 25 24 7 19 20 14 24 11 21 12 6 5 18
+ 7 14 5 25 14 20 25 18 14 12 20 18 17 7 15 6 25 5 13 23 24
+ 25 13 18 14 18 5 12 20 6 12 8 25 19 19 9 24 8 21 22
+ 11 10 24 25 20 21 20 21 11 20 10 9 13 17 21 18 16 6 21 18 21
+ 25 11 7 20 21 22 7 15 11 14 15 21 22 10 12 7 14 9 14
+ 19 21 20 16 10 25 22 7 6 17 17 22 23 17 20 18 24 24 15 15 10
+ 14 11 7 9 23 6 13 23 23 23 20 14 8 10 14 10 21 8 7
+ 49 52 51 45 48 44 48 50 50 50
+ 10 40
+ 15 22 22 22 23 25 22 25 21 23 19 24 18 24 19 22 18 23 21 22 22
+ 16 24 16 21 17 25 25 24 21 20 23 21 19 23 19 15 19 18 24
+ 16 19 21 18 18 21 21 16 16 17 21 25 19 24 19 19 24 21 17 24 24
+ 23 18 19 25 15 22 22 24 23 23 19 19 19 22 19 25 16 24 25
+ 19 20 16 21 15 17 22 17 21 20 18 21 21 25 24 16 23 19 19 24 21
+ 19 19 24 15 25 16 15 23 22 25 17 15 21 18 17 17 16 16 25
+ 18 23 24 17 17 25 24 15 16 22 24 17 22 19 18 18 25 20 18 22 23
+ 15 19 15 24 22 19 15 24 15 25 21 22 17 23 25 17 20 19 21
+ 19 19 16 22 24 15 20 19 22 20 23 20 18 24 20 16 16 19 18 25 20
+ 16 24 22 15 23 18 20 19 18 19 18 23 19 20 23 20 19 21 17
+ 23 16 19 15 19 20 21 24 18 22 21 25 25 23 22 23 15 19 18 20 15
+ 22 21 25 25 16 17 16 24 22 15 17 20 24 24 18 22 21 18 17
+ 22 21 15 25 23 16 24 22 23 15 20 22 15 15 24 21 16 20 20 22 15
+ 23 21 23 21 24 24 24 21 16 19 23 18 24 25 21 18 18 20 21
+ 21 19 15 20 23 24 16 19 18 20 17 15 21 18 15 16 17 19 18 17 20
+ 22 24 15 18 19 18 25 20 21 18 18 15 20 16 17 19 16 21 22
+ 21 18 25 15 20 18 15 15 16 25 21 24 16 25 20 21 18 18 25 20 25
+ 20 16 20 19 25 15 22 20 19 15 23 17 19 18 23 24 18 19 17
+ 19 17 21 19 17 15 23 15 16 20 20 21 23 23 15 18 18 19 24 20 24
+ 20 18 15 15 21 16 24 22 16 15 15 19 20 22 23 19 21 24 21
+ 25 14 15 6 23 24 7 10 9 11 8 8 11 22 6 14 25 20 20 25 10
+ 6 19 13 18 22 17 21 9 15 7 18 20 19 5 19 12 9 17 6
+ 7 8 6 23 5 19 18 14 23 10 15 8 7 19 12 25 15 22 6 9 11
+ 12 18 21 25 20 8 16 10 13 18 8 24 14 24 6 24 6 7 6
+ 13 5 24 5 9 9 22 12 12 20 25 14 9 17 16 18 19 10 15 5 16
+ 8 10 12 22 21 11 14 24 20 11 21 18 15 9 19 18 8 10 14
+ 9 22 9 21 22 25 17 20 20 25 8 19 24 7 18 5 19 6 18 20 20
+ 18 13 5 10 25 20 6 9 17 7 9 13 21 13 9 21 17 11 20
+ 7 23 21 13 19 22 25 22 18 5 5 8 8 17 22 14 10 12 11 22 15
+ 23 9 15 18 10 15 6 9 8 21 7 16 23 16 12 9 8 5 14
+ 12 25 18 22 13 25 22 23 23 11 21 8 20 10 25 18 12 18 5 19 9
+ 5 20 16 23 14 13 16 14 25 7 14 23 17 14 9 13 17 15 11
+ 5 10 24 22 23 10 15 11 15 8 9 25 15 5 15 10 10 22 17 5 15
+ 13 21 23 15 20 11 5 14 11 8 23 8 9 21 18 6 7 15 19
+ 22 25 13 14 11 11 24 23 9 12 7 14 20 22 13 16 25 21 13 19 25
+ 18 8 5 10 6 5 18 23 25 24 16 6 23 11 21 16 17 20 17
+ 7 24 6 7 22 19 9 19 20 23 8 16 25 22 11 12 10 12 9 24 7
+ 21 16 7 23 7 6 9 5 13 9 16 10 19 12 15 13 5 15 18
+ 5 16 23 12 25 8 10 17 5 11 16 14 23 17 14 19 14 20 22 10 21
+ 15 25 17 10 12 16 8 24 8 9 9 17 10 14 8 13 7 14 18
+ 46 44 46 49 45 51 44 51 44 46
+ 10 40
+ 24 18 17 19 19 24 20 23 15 25 21 18 18 18 19 20 25 15 23 21 25
+ 21 17 21 22 19 20 17 18 19 16 22 20 21 21 16 24 16 20 24
+ 16 16 23 21 25 20 16 25 20 19 24 17 25 24 15 18 25 20 23 15 16
+ 19 17 16 15 16 18 19 20 18 21 21 17 22 23 25 22 17 16 19
+ 25 19 20 25 20 20 24 20 24 20 23 21 18 20 18 20 22 22 20 15 21
+ 17 22 20 24 24 15 21 15 25 18 21 24 17 20 19 20 18 22 20
+ 21 24 18 18 17 17 20 17 21 20 18 18 22 23 19 25 19 21 23 20 17
+ 21 22 22 18 22 16 16 19 23 15 21 17 18 22 17 16 21 18 19
+ 24 16 19 15 23 22 17 23 25 16 22 17 21 22 22 16 20 23 21 25 18
+ 16 25 22 18 21 22 24 19 19 21 20 22 25 25 20 25 22 15 22
+ 19 25 18 18 24 22 16 22 21 19 15 18 16 22 25 25 23 16 20 18 15
+ 23 19 16 19 20 21 17 23 21 18 16 21 18 20 16 16 21 16 16
+ 18 16 24 18 17 20 19 24 17 18 24 18 24 22 16 19 23 22 18 21 15
+ 15 17 24 18 20 23 21 23 16 19 24 19 15 22 20 25 20 22 17
+ 25 24 21 15 20 22 17 17 16 20 24 15 15 16 22 17 22 22 17 20 22
+ 20 16 24 17 15 18 23 24 22 21 21 18 21 15 20 18 18 16 20
+ 15 18 18 17 21 23 24 24 18 24 18 19 16 25 19 17 19 24 15 19 19
+ 19 22 24 15 21 18 19 21 16 20 25 24 24 21 16 23 25 24 22
+ 20 24 18 21 20 23 25 17 20 15 21 25 23 16 24 17 17 23 25 20 21
+ 23 22 21 17 19 18 23 20 17 17 20 23 23 16 25 21 19 22 18
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diff --git a/tests/GeneralizedAssignmentProblem/gap3.txt b/tests/GeneralizedAssignmentProblem/gap3.txt
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diff --git a/tests/GeneralizedAssignmentProblem/gap9.txt b/tests/GeneralizedAssignmentProblem/gap9.txt
new file mode 100644
index 0000000..81a1bd4
--- /dev/null
+++ b/tests/GeneralizedAssignmentProblem/gap9.txt
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