antares-xpansion/environment_8h_source.html

// This this file is an adaptation of OR-Tools for Antares-Xpansion needs

//  see orginal at https://github.com/google/or-tools

//  Copyright 2010-2021 Google LLC

//  Licensed under the Apache License, Version 2.0 (the "License");

//  you may not use this file except in compliance with the License.

//  You may obtain a copy of the License at

//

//      http://www.apache.org/licenses/LICENSE-2.0

//

//  Unless required by applicable law or agreed to in writing, software

//  distributed under the License is distributed on an "AS IS" BASIS,

//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

//  See the License for the specific language governing permissions and

//  limitations under the License.

#pragma once

#include <functional>


#include "antares-xpansion/xpansion_interfaces/ILogger.h"

#include "dynamic_library.h"

extern "C"

{

typedef struct xo_prob_struct* XPRSprob;

}


namespace LoadXpress

{


class XpressLoader

{

public:

    explicit XpressLoader(

      std::shared_ptr<ILoggerXpansion> logger = std::make_shared<EmptyLogger>());

    bool initXpressEnv(bool verbose = false, int xpress_oem_license_key = 0);


    bool XpressIsCorrectlyInstalled(bool verbose = false);


private:

    // clang-format off

// Force the loading of the xpress dynamic library. It returns true if the

// library was successfully loaded. This method can only be called once.

// Successive calls are no-op.

//

// Note that it does not check if a token license can be grabbed.

  bool LoadXpressDynamicLibrary(std::string &xpresspath);

  void printXpressBanner();

  std::shared_ptr<ILoggerXpansion> logger_;

  std::vector<std::string> XpressDynamicLibraryPotentialPaths();

  std::string GetXpressVarFromEnvironmentVariables(const char* XPRESS_var,

                                                  bool verbose = true);

  bool LoadXpressFunctions(Solver::DynamicLibrary* xpress_dynamic_library);

  int loadLicence(const std::string& lib_path, bool verbose);

};


// The list of #define and extern std::function<> below is generated directly

// from xprs.h via parse_header_xpress.py

// See the top comment on the parse_header_xpress.py file.

// This is the header section

#if defined(_WIN32)

#define XPRSint64 __int64

#elif defined(__LP64__) || defined(_LP64) || defined(__ILP64__) || defined(_ILP64)

#define XPRSint64 long

#else

#define XPRSint64 long long

#endif


#if defined(_MSC_VER)

#define XPRS_CC __stdcall

#else

#define XPRS_CC

#endif

#define XPRS_PLUSINFINITY 1.0e+20

#define XPRS_MINUSINFINITY -1.0e+20

#define XPRS_MAXBANNERLENGTH 512

#define XPVERSION 41

#define XPRS_MPSRHSNAME 6001

#define XPRS_MPSOBJNAME 6002

#define XPRS_MPSRANGENAME 6003

#define XPRS_MPSBOUNDNAME 6004

#define XPRS_OUTPUTMASK 6005

#define XPRS_TUNERMETHODFILE 6017

#define XPRS_TUNEROUTPUTPATH 6018

#define XPRS_TUNERSESSIONNAME 6019

#define XPRS_COMPUTEEXECSERVICE 6022

#define XPRS_MAXCUTTIME 8149

#define XPRS_MAXSTALLTIME 8443

#define XPRS_TUNERMAXTIME 8364

#define XPRS_MATRIXTOL 7001

#define XPRS_PIVOTTOL 7002

#define XPRS_FEASTOL 7003

#define XPRS_OUTPUTTOL 7004

#define XPRS_SOSREFTOL 7005

#define XPRS_OPTIMALITYTOL 7006

#define XPRS_ETATOL 7007

#define XPRS_RELPIVOTTOL 7008

#define XPRS_MIPTOL 7009

#define XPRS_MIPTOLTARGET 7010

#define XPRS_BARPERTURB 7011

#define XPRS_MIPADDCUTOFF 7012

#define XPRS_MIPABSCUTOFF 7013

#define XPRS_MIPRELCUTOFF 7014

#define XPRS_PSEUDOCOST 7015

#define XPRS_PENALTY 7016

#define XPRS_BIGM 7018

#define XPRS_MIPABSSTOP 7019

#define XPRS_MIPRELSTOP 7020

#define XPRS_CROSSOVERACCURACYTOL 7023

#define XPRS_PRIMALPERTURB 7024

#define XPRS_DUALPERTURB 7025

#define XPRS_BAROBJSCALE 7026

#define XPRS_BARRHSSCALE 7027

#define XPRS_CHOLESKYTOL 7032

#define XPRS_BARGAPSTOP 7033

#define XPRS_BARDUALSTOP 7034

#define XPRS_BARPRIMALSTOP 7035

#define XPRS_BARSTEPSTOP 7036

#define XPRS_ELIMTOL 7042

#define XPRS_MARKOWITZTOL 7047

#define XPRS_MIPABSGAPNOTIFY 7064

#define XPRS_MIPRELGAPNOTIFY 7065

#define XPRS_BARLARGEBOUND 7067

#define XPRS_PPFACTOR 7069

#define XPRS_REPAIRINDEFINITEQMAX 7071

#define XPRS_BARGAPTARGET 7073

#define XPRS_DUMMYCONTROL 7075

#define XPRS_BARSTARTWEIGHT 7076

#define XPRS_BARFREESCALE 7077

#define XPRS_SBEFFORT 7086

#define XPRS_HEURDIVERANDOMIZE 7089

#define XPRS_HEURSEARCHEFFORT 7090

#define XPRS_CUTFACTOR 7091

#define XPRS_EIGENVALUETOL 7097

#define XPRS_INDLINBIGM 7099

#define XPRS_TREEMEMORYSAVINGTARGET 7100

#define XPRS_INDPRELINBIGM 7102

#define XPRS_RELAXTREEMEMORYLIMIT 7105

#define XPRS_MIPABSGAPNOTIFYOBJ 7108

#define XPRS_MIPABSGAPNOTIFYBOUND 7109

#define XPRS_PRESOLVEMAXGROW 7110

#define XPRS_HEURSEARCHTARGETSIZE 7112

#define XPRS_CROSSOVERRELPIVOTTOL 7113

#define XPRS_CROSSOVERRELPIVOTTOLSAFE 7114

#define XPRS_DETLOGFREQ 7116

#define XPRS_MAXIMPLIEDBOUND 7120

#define XPRS_FEASTOLTARGET 7121

#define XPRS_OPTIMALITYTOLTARGET 7122

#define XPRS_PRECOMPONENTSEFFORT 7124

#define XPRS_LPLOGDELAY 7127

#define XPRS_HEURDIVEITERLIMIT 7128

#define XPRS_BARKERNEL 7130

#define XPRS_FEASTOLPERTURB 7132

#define XPRS_CROSSOVERFEASWEIGHT 7133

#define XPRS_LUPIVOTTOL 7139

#define XPRS_MIPRESTARTGAPTHRESHOLD 7140

#define XPRS_NODEPROBINGEFFORT 7141

#define XPRS_INPUTTOL 7143

#define XPRS_MIPRESTARTFACTOR 7145

#define XPRS_BAROBJPERTURB 7146

#define XPRS_CPIALPHA 7149

#define XPRS_GLOBALBOUNDINGBOX 7154

#define XPRS_TIMELIMIT 7158

#define XPRS_SOLTIMELIMIT 7159

#define XPRS_REPAIRINFEASTIMELIMIT 7160

#define XPRS_EXTRAROWS 8004

#define XPRS_EXTRACOLS 8005

#define XPRS_LPITERLIMIT 8007

#define XPRS_LPLOG 8009

#define XPRS_SCALING 8010

#define XPRS_PRESOLVE 8011

#define XPRS_CRASH 8012

#define XPRS_PRICINGALG 8013

#define XPRS_INVERTFREQ 8014

#define XPRS_INVERTMIN 8015

#define XPRS_MAXNODE 8018

#define XPRS_MAXTIME 8020

#define XPRS_MAXMIPSOL 8021

#define XPRS_SIFTPASSES 8022

#define XPRS_DEFAULTALG 8023

#define XPRS_VARSELECTION 8025

#define XPRS_NODESELECTION 8026

#define XPRS_BACKTRACK 8027

#define XPRS_MIPLOG 8028

#define XPRS_KEEPNROWS 8030

#define XPRS_MPSECHO 8032

#define XPRS_MAXPAGELINES 8034

#define XPRS_OUTPUTLOG 8035

#define XPRS_BARSOLUTION 8038

#define XPRS_CACHESIZE 8043

#define XPRS_CROSSOVER 8044

#define XPRS_BARITERLIMIT 8045

#define XPRS_CHOLESKYALG 8046

#define XPRS_BAROUTPUT 8047

#define XPRS_EXTRAMIPENTS 8051

#define XPRS_REFACTOR 8052

#define XPRS_BARTHREADS 8053

#define XPRS_KEEPBASIS 8054

#define XPRS_CROSSOVEROPS 8060

#define XPRS_VERSION 8061

#define XPRS_CROSSOVERTHREADS 8065

#define XPRS_BIGMMETHOD 8068

#define XPRS_MPSNAMELENGTH 8071

#define XPRS_ELIMFILLIN 8073

#define XPRS_PRESOLVEOPS 8077

#define XPRS_MIPPRESOLVE 8078

#define XPRS_MIPTHREADS 8079

#define XPRS_BARORDER 8080

#define XPRS_BREADTHFIRST 8082

#define XPRS_AUTOPERTURB 8084

#define XPRS_DENSECOLLIMIT 8086

#define XPRS_CALLBACKFROMMASTERTHREAD 8090

#define XPRS_MAXMCOEFFBUFFERELEMS 8091

#define XPRS_REFINEOPS 8093

#define XPRS_LPREFINEITERLIMIT 8094

#define XPRS_MIPREFINEITERLIMIT 8095

#define XPRS_DUALIZEOPS 8097

#define XPRS_CROSSOVERITERLIMIT 8104

#define XPRS_PREBASISRED 8106

#define XPRS_PRESORT 8107

#define XPRS_PREPERMUTE 8108

#define XPRS_PREPERMUTESEED 8109

#define XPRS_MAXMEMORYSOFT 8112

#define XPRS_CUTFREQ 8116

#define XPRS_SYMSELECT 8117

#define XPRS_SYMMETRY 8118

#define XPRS_MAXMEMORYHARD 8119

#define XPRS_MIQCPALG 8125

#define XPRS_QCCUTS 8126

#define XPRS_QCROOTALG 8127

#define XPRS_PRECONVERTSEPARABLE 8128

#define XPRS_ALGAFTERNETWORK 8129

#define XPRS_TRACE 8130

#define XPRS_MAXIIS 8131

#define XPRS_CPUTIME 8133

#define XPRS_COVERCUTS 8134

#define XPRS_GOMCUTS 8135

#define XPRS_LPFOLDING 8136

#define XPRS_MPSFORMAT 8137

#define XPRS_CUTSTRATEGY 8138

#define XPRS_CUTDEPTH 8139

#define XPRS_TREECOVERCUTS 8140

#define XPRS_TREEGOMCUTS 8141

#define XPRS_CUTSELECT 8142

#define XPRS_TREECUTSELECT 8143

#define XPRS_DUALIZE 8144

#define XPRS_DUALGRADIENT 8145

#define XPRS_SBITERLIMIT 8146

#define XPRS_SBBEST 8147

#define XPRS_BARINDEFLIMIT 8153

#define XPRS_HEURFREQ 8155

#define XPRS_HEURDEPTH 8156

#define XPRS_HEURMAXSOL 8157

#define XPRS_HEURNODES 8158

#define XPRS_LNPBEST 8160

#define XPRS_LNPITERLIMIT 8161

#define XPRS_BRANCHCHOICE 8162

#define XPRS_BARREGULARIZE 8163

#define XPRS_SBSELECT 8164

#define XPRS_LOCALCHOICE 8170

#define XPRS_LOCALBACKTRACK 8171

#define XPRS_DUALSTRATEGY 8174

#define XPRS_L1CACHE 8175

#define XPRS_HEURDIVESTRATEGY 8177

#define XPRS_HEURSELECT 8178

#define XPRS_BARSTART 8180

#define XPRS_PRESOLVEPASSES 8183

#define XPRS_BARNUMSTABILITY 8186

#define XPRS_BARORDERTHREADS 8187

#define XPRS_EXTRASETS 8190

#define XPRS_FEASIBILITYPUMP 8193

#define XPRS_PRECOEFELIM 8194

#define XPRS_PREDOMCOL 8195

#define XPRS_HEURSEARCHFREQ 8196

#define XPRS_HEURDIVESPEEDUP 8197

#define XPRS_SBESTIMATE 8198

#define XPRS_BARCORES 8202

#define XPRS_MAXCHECKSONMAXTIME 8203

#define XPRS_MAXCHECKSONMAXCUTTIME 8204

#define XPRS_HISTORYCOSTS 8206

#define XPRS_ALGAFTERCROSSOVER 8208

#define XPRS_MUTEXCALLBACKS 8210

#define XPRS_BARCRASH 8211

#define XPRS_HEURDIVESOFTROUNDING 8215

#define XPRS_HEURSEARCHROOTSELECT 8216

#define XPRS_HEURSEARCHTREESELECT 8217

#define XPRS_MPS18COMPATIBLE 8223

#define XPRS_ROOTPRESOLVE 8224

#define XPRS_CROSSOVERDRP 8227

#define XPRS_FORCEOUTPUT 8229

#define XPRS_PRIMALOPS 8231

#define XPRS_DETERMINISTIC 8232

#define XPRS_PREPROBING 8238

#define XPRS_TREEMEMORYLIMIT 8242

#define XPRS_TREECOMPRESSION 8243

#define XPRS_TREEDIAGNOSTICS 8244

#define XPRS_MAXTREEFILESIZE 8245

#define XPRS_PRECLIQUESTRATEGY 8247

#define XPRS_REPAIRINFEASMAXTIME 8250

#define XPRS_IFCHECKCONVEXITY 8251

#define XPRS_PRIMALUNSHIFT 8252

#define XPRS_REPAIRINDEFINITEQ 8254

#define XPRS_MIPRAMPUP 8255

#define XPRS_MAXLOCALBACKTRACK 8257

#define XPRS_USERSOLHEURISTIC 8258

#define XPRS_FORCEPARALLELDUAL 8265

#define XPRS_BACKTRACKTIE 8266

#define XPRS_BRANCHDISJ 8267

#define XPRS_MIPFRACREDUCE 8270

#define XPRS_CONCURRENTTHREADS 8274

#define XPRS_MAXSCALEFACTOR 8275

#define XPRS_HEURTHREADS 8276

#define XPRS_THREADS 8278

#define XPRS_HEURBEFORELP 8280

#define XPRS_PREDOMROW 8281

#define XPRS_BRANCHSTRUCTURAL 8282

#define XPRS_QUADRATICUNSHIFT 8284

#define XPRS_BARPRESOLVEOPS 8286

#define XPRS_QSIMPLEXOPS 8288

#define XPRS_MIPRESTART 8290

#define XPRS_CONFLICTCUTS 8292

#define XPRS_PREPROTECTDUAL 8293

#define XPRS_CORESPERCPU 8296

#define XPRS_RESOURCESTRATEGY 8297

#define XPRS_CLAMPING 8301

#define XPRS_SLEEPONTHREADWAIT 8302

#define XPRS_PREDUPROW 8307

#define XPRS_CPUPLATFORM 8312

#define XPRS_BARALG 8315

#define XPRS_SIFTING 8319

#define XPRS_LPLOGSTYLE 8326

#define XPRS_RANDOMSEED 8328

#define XPRS_TREEQCCUTS 8331

#define XPRS_PRELINDEP 8333

#define XPRS_DUALTHREADS 8334

#define XPRS_PREOBJCUTDETECT 8336

#define XPRS_PREBNDREDQUAD 8337

#define XPRS_PREBNDREDCONE 8338

#define XPRS_PRECOMPONENTS 8339

#define XPRS_MAXMIPTASKS 8347

#define XPRS_MIPTERMINATIONMETHOD 8348

#define XPRS_PRECONEDECOMP 8349

#define XPRS_HEURFORCESPECIALOBJ 8350

#define XPRS_HEURSEARCHROOTCUTFREQ 8351

#define XPRS_PREELIMQUAD 8353

#define XPRS_PREIMPLICATIONS 8356

#define XPRS_TUNERMODE 8359

#define XPRS_TUNERMETHOD 8360

#define XPRS_TUNERTARGET 8362

#define XPRS_TUNERTHREADS 8363

#define XPRS_TUNERHISTORY 8365

#define XPRS_TUNERPERMUTE 8366

#define XPRS_TUNERVERBOSE 8370

#define XPRS_TUNEROUTPUT 8372

#define XPRS_PREANALYTICCENTER 8374

#define XPRS_NETCUTS 8382

#define XPRS_LPFLAGS 8385

#define XPRS_MIPKAPPAFREQ 8386

#define XPRS_OBJSCALEFACTOR 8387

#define XPRS_TREEFILELOGINTERVAL 8389

#define XPRS_IGNORECONTAINERCPULIMIT 8390

#define XPRS_IGNORECONTAINERMEMORYLIMIT 8391

#define XPRS_MIPDUALREDUCTIONS 8392

#define XPRS_GENCONSDUALREDUCTIONS 8395

#define XPRS_PWLDUALREDUCTIONS 8396

#define XPRS_BARFAILITERLIMIT 8398

#define XPRS_AUTOSCALING 8406

#define XPRS_GENCONSABSTRANSFORMATION 8408

#define XPRS_COMPUTEJOBPRIORITY 8409

#define XPRS_PREFOLDING 8410

#define XPRS_NETSTALLLIMIT 8412

#define XPRS_SERIALIZEPREINTSOL 8413

#define XPRS_NUMERICALEMPHASIS 8416

#define XPRS_PWLNONCONVEXTRANSFORMATION 8420

#define XPRS_MIPCOMPONENTS 8421

#define XPRS_MIPCONCURRENTNODES 8422

#define XPRS_MIPCONCURRENTSOLVES 8423

#define XPRS_OUTPUTCONTROLS 8424

#define XPRS_SIFTSWITCH 8425

#define XPRS_HEUREMPHASIS 8427

#define XPRS_COMPUTEMATX 8428

#define XPRS_COMPUTEMATX_IIS 8429

#define XPRS_COMPUTEMATX_IISMAXTIME 8430

#define XPRS_BARREFITER 8431

#define XPRS_COMPUTELOG 8434

#define XPRS_SIFTPRESOLVEOPS 8435

#define XPRS_CHECKINPUTDATA 8436

#define XPRS_ESCAPENAMES 8440

#define XPRS_IOTIMEOUT 8442

#define XPRS_AUTOCUTTING 8446

#define XPRS_CALLBACKCHECKTIMEDELAY 8451

#define XPRS_MULTIOBJOPS 8457

#define XPRS_MULTIOBJLOG 8458

#define XPRS_GLOBALSPATIALBRANCHIFPREFERORIG 8465

#define XPRS_PRECONFIGURATION 8470

#define XPRS_FEASIBILITYJUMP 8471

#define XPRS_EXTRAELEMS 8006

#define XPRS_EXTRASETELEMS 8191

#define XPRS_LPOBJVAL 2001

#define XPRS_MIPOBJVAL 2003

#define XPRS_BESTBOUND 2004

#define XPRS_OBJRHS 2005

#define XPRS_OBJSENSE 2008

#define XPRS_ROWS 1001

#define XPRS_SIMPLEXITER 1009

#define XPRS_LPSTATUS 1010

#define XPRS_MIPSTATUS 1011

#define XPRS_NODES 1013

#define XPRS_COLS 1018

#define XPRS_LP_OPTIMAL 1

#define XPRS_LP_INFEAS 2

#define XPRS_LP_UNBOUNDED 5

#define XPRS_MIP_SOLUTION 4

#define XPRS_MIP_INFEAS 5

#define XPRS_MIP_OPTIMAL 6

#define XPRS_MIP_UNBOUNDED 7

#define XPRS_OBJ_MINIMIZE 1

#define XPRS_OBJ_MAXIMIZE -1


#define XPRS_ELEMS                                                   1006

#define XPRS_MIPENTS                                                 1032

#define XPRS_NAMELENGTH                                              1028

#define XPRS_OUTPUTLOG_FULL_OUTPUT                                   1

#define XPRS_ERRORCODE                                               1023

#define XPRS_OUTPUTLOG_NO_OUTPUT                                     0


extern std::function<int(const char* path)> XPRSinit;

extern std::function<int(XPRSprob* p_prob)> XPRScreateprob;

extern std::function<int(XPRSprob dest, XPRSprob src, const char* name)> XPRScopyprob;

extern std::function<int(XPRSprob prob, const char* filename, const char* flags)> XPRSwritebasis;

extern std::function<int(XPRSprob prob, const char* filename, const char* flags)> XPRSreadprob;

extern std::function<int(XPRSprob prob, int nr, int nc, const int mrow[], const int mcol[])> XPRSloadsecurevecs;

extern std::function<int(XPRSprob prob, const char* msg)> XPRSgetlasterror;

extern std::function<int(XPRSprob prob, const char* filename)> XPRSsaveas;

extern std::function<int(XPRSprob prob, const char* filename, const char* flags)> XPRSrestore;

extern std::function<int(XPRSprob prob, const char* filename, const char* flags)> XPRSreadbasis;

extern std::function<int(XPRSprob prob, int start[], int colind[], double colcoef[], int maxcoefs, int* p_ncoefs, int first, int last)> XPRSgetrows;

extern std::function<int(XPRSprob prob, int type, const char* name, int* p_index)> XPRSgetindex;

extern std::function<int(XPRSprob prob, int type, char names[], int first, int last)> XPRSgetnames;

extern std::function<int(XPRSprob prob, int type, const char names[], int first, int last)> XPRSaddnames;

extern std::function<int(XPRSprob prob, const char* flags)> XPRSlpoptimize;

extern std::function<int(XPRSprob prob, const char* flags)> XPRSmipoptimize;

extern std::function<int(void)> XPRSfree;

extern std::function<int(XPRSprob prob, const char* probname, int ncols, int nrows, const char rowtype[], const double rhs[], const double rng[], const double objcoef[], const int start[], const int collen[], const int rowind[], const double rowcoef[], const double lb[], const double ub[])> XPRSloadlp;

extern std::function<int(XPRSprob prob)> XPRSdestroyprob;

extern std::function<int(XPRSprob prob, const char* filename, const char* flags)> XPRSwriteprob;

extern std::function<int(XPRSprob prob, int control, int* p_value)> XPRSgetintcontrol;

extern std::function<int(XPRSprob prob, int attrib, int* p_value)> XPRSgetintattrib;

extern std::function<int(XPRSprob prob, double objcoef[], int first, int last)> XPRSgetobj;

extern std::function<int(XPRSprob prob, char rowtype[], int first, int last)> XPRSgetrowtype;

extern std::function<int(XPRSprob prob, double rhs[], int first, int last)> XPRSgetrhs;

extern std::function<int(XPRSprob prob, double rng[], int first, int last)> XPRSgetrhsrange;

extern std::function<int(XPRSprob prob, char coltype[], int first, int last)> XPRSgetcoltype;

extern std::function<int(XPRSprob prob, double lb[], int first, int last)> XPRSgetlb;

extern std::function<int(XPRSprob prob, double ub[], int first, int last)> XPRSgetub;

extern std::function<int(XPRSprob prob, int nrows, const int rowind[])> XPRSdelrows;

extern std::function<int(XPRSprob prob, int nrows, int ncoefs, const char rowtype[], const double rhs[], const double rng[], const int start[], const int colind[], const double rowcoef[])> XPRSaddrows;

extern std::function<int(XPRSprob prob, int ncols, int ncoefs, const double objcoef[], const int start[], const int rowind[], const double rowcoef[], const double lb[], const double ub[])> XPRSaddcols;

extern std::function<int(XPRSprob prob, int ncols, const int colind[], const double objcoef[])> XPRSchgobj;

extern std::function<int(XPRSprob prob, int objsense)> XPRSchgobjsense;

extern std::function<int(XPRSprob prob, int nbounds, const int colind[], const char bndtype[], const double bndval[])> XPRSchgbounds;

extern std::function<int(XPRSprob prob, int ncols, const int colind[], const char coltype[])> XPRSchgcoltype;

extern std::function<int(XPRSprob prob, int nrows, const int rowind[], const double rhs[])> XPRSchgrhs;

extern std::function<int(XPRSprob prob, int row, int col, double coef)> XPRSchgcoef;

extern std::function<int(XPRSprob prob, int rowstat[], int colstat[])> XPRSgetbasis;

extern std::function<int(XPRSprob prob, int attrib, double* p_value)> XPRSgetdblattrib;

extern std::function<int(XPRSprob prob, double x[], double slack[], double duals[], double djs[])> XPRSgetlpsol;

extern std::function<int(XPRSprob prob, double x[], double slack[])> XPRSgetmipsol;

extern std::function<int(XPRSprob prob, void (XPRS_CC *f_message)(XPRSprob cbprob, void* cbdata, const char* msg, int msglen, int msgtype), void* p)> XPRSsetcbmessage;

extern std::function<int(XPRSprob prob, int control, int value)> XPRSsetintcontrol;

extern std::function<int(XPRSprob prob, int control, double value)> XPRSsetdblcontrol;

extern std::function<int(char* banner)> XPRSgetbanner;


extern std::function<int(char* buffer, int maxbytes)> XPRSgetlicerrmsg;

extern std::function<int(int* p_i, char* p_c)> XPRSlicense;

extern std::function<int(char* version)> XPRSgetversion;


}  // namespace LoadXpress


LoadXpress::XpressLoader
This class is the entry point to load xpress in runtime.
Definition environment.h:34

LoadXpress::XpressLoader::initXpressEnv
bool initXpressEnv(bool verbose=false, int xpress_oem_license_key=0)
intialiaze xpress env : load libs and check the licence
Definition environment.cc:436

LoadXpress::XpressLoader::XpressIsCorrectlyInstalled
bool XpressIsCorrectlyInstalled(bool verbose=false)
return true is Xpress is correctly installed (libs and licence found)
Definition environment.cc:560

LoadXpress::XpressLoader::XpressLoader
XpressLoader(std::shared_ptr< ILoggerXpansion > logger=std::make_shared< EmptyLogger >())
Definition environment.cc:156

Solver::DynamicLibrary
Definition dynamic_library.h:32