environment.h

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// 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.

#ifndef OR_TOOLS_GUROBI_ENVIRONMENT_H_
#define OR_TOOLS_GUROBI_ENVIRONMENT_H_

#include "absl/status/status.h"
#include "absl/status/statusor.h"
#include "ortools/base/commandlineflags.h"
#include "ortools/base/dynamic_library.h"
#include "ortools/base/logging.h"

extern "C" {
typedef struct _GRBmodel GRBmodel;
typedef struct _GRBenv GRBenv;
typedef struct _GRBsvec {
  int len;
  int* ind;
  double* val;
} GRBsvec;
}

#if defined(_MSC_VER)
#define GUROBI_STDCALL __stdcall
#else
#define GUROBI_STDCALL
#endif

namespace operations_research {

absl::StatusOr<GRBenv*> GetGurobiEnv();

// This returns true if the Gurobi shared library is properly loaded (otherwise,
// tries to find it and load it) and if a Gurobi license can be obtained (it
// does that by trying to grab a license and then release it).
bool GurobiIsCorrectlyInstalled();

// clang-format off
// Force the loading of the gurobi 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.
absl::Status LoadGurobiDynamicLibrary(std::vector<std::string> potential_paths);

// The list of #define and extern std::function<> below is generated directly
// from gurobi_c.h via parse_header.py
// See the top comment on the parse_header.py file.
// This is the header section

#define GRB_VERSION_MAJOR 7
#define GRB_VERSION_MINOR 5
#define GRB_VERSION_TECHNICAL 2
#define DEFAULT_CS_PRIORITY 0
#define MAX_CS_PRIORITY 100
#define DEFAULT_CS_PORT 61000
#define GRB_ERROR_OUT_OF_MEMORY 10001
#define GRB_ERROR_NULL_ARGUMENT 10002
#define GRB_ERROR_INVALID_ARGUMENT 10003
#define GRB_ERROR_UNKNOWN_ATTRIBUTE 10004
#define GRB_ERROR_DATA_NOT_AVAILABLE 10005
#define GRB_ERROR_INDEX_OUT_OF_RANGE 10006
#define GRB_ERROR_UNKNOWN_PARAMETER 10007
#define GRB_ERROR_VALUE_OUT_OF_RANGE 10008
#define GRB_ERROR_NO_LICENSE 10009
#define GRB_ERROR_SIZE_LIMIT_EXCEEDED 10010
#define GRB_ERROR_CALLBACK 10011
#define GRB_ERROR_FILE_READ 10012
#define GRB_ERROR_FILE_WRITE 10013
#define GRB_ERROR_NUMERIC 10014
#define GRB_ERROR_IIS_NOT_INFEASIBLE 10015
#define GRB_ERROR_NOT_FOR_MIP 10016
#define GRB_ERROR_OPTIMIZATION_IN_PROGRESS 10017
#define GRB_ERROR_DUPLICATES 10018
#define GRB_ERROR_NODEFILE 10019
#define GRB_ERROR_Q_NOT_PSD 10020
#define GRB_ERROR_QCP_EQUALITY_CONSTRAINT 10021
#define GRB_ERROR_NETWORK 10022
#define GRB_ERROR_JOB_REJECTED 10023
#define GRB_ERROR_NOT_SUPPORTED 10024
#define GRB_ERROR_EXCEED_2B_NONZEROS 10025
#define GRB_ERROR_INVALID_PIECEWISE_OBJ 10026
#define GRB_ERROR_UPDATEMODE_CHANGE 10027
#define GRB_ERROR_CLOUD 10028
#define GRB_ERROR_MODEL_MODIFICATION 10029
#define GRB_LESS_EQUAL '<'
#define GRB_GREATER_EQUAL '>'
#define GRB_EQUAL '='
#define GRB_CONTINUOUS 'C'
#define GRB_BINARY 'B'
#define GRB_INTEGER 'I'
#define GRB_SEMICONT 'S'
#define GRB_SEMIINT 'N'
#define GRB_MINIMIZE 1
#define GRB_MAXIMIZE -1
#define GRB_SOS_TYPE1 1
#define GRB_SOS_TYPE2 2
#define GRB_INFINITY 1e100
#define GRB_UNDEFINED 1e101
#define GRB_MAXINT 2000000000
#define GRB_MAX_NAMELEN 255
#define GRB_MAX_STRLEN 512
#define GRB_MAX_CONCURRENT 64
extern std::function<int(GRBenv **, const char *, const char *, const char *, int,const char *)> GRBisqp;
extern std::function<int(GRBmodel *model, const char *attrname, int *datatypeP,int *sizeP, int *settableP)> GRBgetattrinfo;
extern std::function<int(GRBmodel *model, const char *attrname)> GRBisattravailable;
extern std::function<int(GRBmodel *model, const char *attrname, int *valueP)> GRBgetintattr;
extern std::function<int(GRBmodel *model, const char *attrname, int newvalue)> GRBsetintattr;
extern std::function<int(GRBmodel *model, const char *attrname,int element, int *valueP)> GRBgetintattrelement;
extern std::function<int(GRBmodel *model, const char *attrname,int element, int newvalue)> GRBsetintattrelement;
extern std::function<int(GRBmodel *model, const char *attrname,int first, int len, int *values)> GRBgetintattrarray;
extern std::function<int(GRBmodel *model, const char *attrname,int first, int len, int *newvalues)> GRBsetintattrarray;
extern std::function<int(GRBmodel *model, const char *attrname,int len, int *ind, int *values)> GRBgetintattrlist;
extern std::function<int(GRBmodel *model, const char *attrname,int len, int *ind, int *newvalues)> GRBsetintattrlist;
extern std::function<int(GRBmodel *model, const char *attrname,int element, char *valueP)> GRBgetcharattrelement;
extern std::function<int(GRBmodel *model, const char *attrname,int element, char newvalue)> GRBsetcharattrelement;
extern std::function<int(GRBmodel *model, const char *attrname,int first, int len, char *values)> GRBgetcharattrarray;
extern std::function<int(GRBmodel *model, const char *attrname,int first, int len, char *newvalues)> GRBsetcharattrarray;
extern std::function<int(GRBmodel *model, const char *attrname,int len, int *ind, char *values)> GRBgetcharattrlist;
extern std::function<int(GRBmodel *model, const char *attrname,int len, int *ind, char *newvalues)> GRBsetcharattrlist;
extern std::function<int(GRBmodel *model, const char *attrname, double *valueP)> GRBgetdblattr;
extern std::function<int(GRBmodel *model, const char *attrname, double newvalue)> GRBsetdblattr;
extern std::function<int(GRBmodel *model, const char *attrname,int element, double *valueP)> GRBgetdblattrelement;
extern std::function<int(GRBmodel *model, const char *attrname,int element, double newvalue)> GRBsetdblattrelement;
extern std::function<int(GRBmodel *model, const char *attrname,int first, int len, double *values)> GRBgetdblattrarray;
extern std::function<int(GRBmodel *model, const char *attrname,int first, int len, double *newvalues)> GRBsetdblattrarray;
extern std::function<int(GRBmodel *model, const char *attrname,int len, int *ind, double *values)> GRBgetdblattrlist;
extern std::function<int(GRBmodel *model, const char *attrname,int len, int *ind, double *newvalues)> GRBsetdblattrlist;
extern std::function<int(GRBmodel *model, const char *attrname, char **valueP)> GRBgetstrattr;
extern std::function<int(GRBmodel *model, const char *attrname, const char *newvalue)> GRBsetstrattr;
extern std::function<int(GRBmodel *model, const char *attrname,int element, char **valueP)> GRBgetstrattrelement;
extern std::function<int(GRBmodel *model, const char *attrname,int element, const char *newvalue)> GRBsetstrattrelement;
extern std::function<int(GRBmodel *model, const char *attrname,int first, int len, char **values)> GRBgetstrattrarray;
extern std::function<int(GRBmodel *model, const char *attrname,int first, int len, char **newvalues)> GRBsetstrattrarray;
extern std::function<int(GRBmodel *model, const char *attrname,int len, int *ind, char **values)> GRBgetstrattrlist;
extern std::function<int(GRBmodel *model, const char *attrname,int len, int *ind, char **newvalues)> GRBsetstrattrlist;
#define CB_ARGS GRBmodel *model, void *cbdata, int where, void *usrdata
extern std::function<int(GRBmodel *model,int (GUROBI_STDCALL *cb)(CB_ARGS),void  *usrdata)> GRBsetcallbackfunc;
extern std::function<int(GRBmodel *model,int (GUROBI_STDCALL **cbP)(CB_ARGS))> GRBgetcallbackfunc;
extern std::function<int(GRBmodel *model,int (GUROBI_STDCALL *cb)(char *msg))> GRBsetlogcallbackfunc;
extern std::function<int(GRBenv *env,int (GUROBI_STDCALL *cb)(char *msg))> GRBsetlogcallbackfuncenv;
extern std::function<int(void *cbdata, int where, int what, void *resultP)> GRBcbget;
extern std::function<int(void *cbdata, const char *paramname, const char *newvalue)> GRBcbsetparam;
extern std::function<int(void *cbdata, const double *solution, double *objvalP)> GRBcbsolution;
extern std::function<int(void *cbdata, int cutlen, const int *cutind, const double *cutval,char cutsense, double cutrhs)> GRBcbcut;
extern std::function<int(void *cbdata, int lazylen, const int *lazyind,const double *lazyval, char lazysense, double lazyrhs)> GRBcblazy;
#define GRB_INT_ATTR_NUMCONSTRS "NumConstrs"
#define GRB_INT_ATTR_NUMVARS "NumVars"
#define GRB_INT_ATTR_NUMSOS "NumSOS"
#define GRB_INT_ATTR_NUMQCONSTRS "NumQConstrs"
#define GRB_INT_ATTR_NUMGENCONSTRS "NumGenConstrs"
#define GRB_INT_ATTR_NUMNZS "NumNZs"
#define GRB_DBL_ATTR_DNUMNZS "DNumNZs"
#define GRB_INT_ATTR_NUMQNZS "NumQNZs"
#define GRB_INT_ATTR_NUMQCNZS "NumQCNZs"
#define GRB_INT_ATTR_NUMINTVARS "NumIntVars"
#define GRB_INT_ATTR_NUMBINVARS "NumBinVars"
#define GRB_INT_ATTR_NUMPWLOBJVARS "NumPWLObjVars"
#define GRB_STR_ATTR_MODELNAME "ModelName"
#define GRB_INT_ATTR_MODELSENSE "ModelSense"
#define GRB_DBL_ATTR_OBJCON "ObjCon"
#define GRB_INT_ATTR_IS_MIP "IsMIP"
#define GRB_INT_ATTR_IS_QP "IsQP"
#define GRB_INT_ATTR_IS_QCP "IsQCP"
#define GRB_INT_ATTR_IS_MULTIOBJ "IsMultiObj"
#define GRB_STR_ATTR_SERVER "Server"
#define GRB_INT_ATTR_LICENSE_EXPIRATION "LicenseExpiration"
#define GRB_DBL_ATTR_LB "LB"
#define GRB_DBL_ATTR_UB "UB"
#define GRB_DBL_ATTR_OBJ "Obj"
#define GRB_CHAR_ATTR_VTYPE "VType"
#define GRB_DBL_ATTR_START "Start"
#define GRB_DBL_ATTR_PSTART "PStart"
#define GRB_INT_ATTR_BRANCHPRIORITY "BranchPriority"
#define GRB_STR_ATTR_VARNAME "VarName"
#define GRB_INT_ATTR_PWLOBJCVX "PWLObjCvx"
#define GRB_DBL_ATTR_VARHINTVAL "VarHintVal"
#define GRB_INT_ATTR_VARHINTPRI "VarHintPri"
#define GRB_INT_ATTR_PARTITION "Partition"
#define GRB_DBL_ATTR_RHS "RHS"
#define GRB_DBL_ATTR_DSTART "DStart"
#define GRB_CHAR_ATTR_SENSE "Sense"
#define GRB_STR_ATTR_CONSTRNAME "ConstrName"
#define GRB_INT_ATTR_LAZY "Lazy"
#define GRB_DBL_ATTR_QCRHS "QCRHS"
#define GRB_CHAR_ATTR_QCSENSE "QCSense"
#define GRB_STR_ATTR_QCNAME "QCName"
#define GRB_INT_ATTR_GENCONSTRTYPE "GenConstrType"
#define GRB_STR_ATTR_GENCONSTRNAME "GenConstrName"
#define GRB_DBL_ATTR_MAX_COEFF "MaxCoeff"
#define GRB_DBL_ATTR_MIN_COEFF "MinCoeff"
#define GRB_DBL_ATTR_MAX_BOUND "MaxBound"
#define GRB_DBL_ATTR_MIN_BOUND "MinBound"
#define GRB_DBL_ATTR_MAX_OBJ_COEFF "MaxObjCoeff"
#define GRB_DBL_ATTR_MIN_OBJ_COEFF "MinObjCoeff"
#define GRB_DBL_ATTR_MAX_RHS "MaxRHS"
#define GRB_DBL_ATTR_MIN_RHS "MinRHS"
#define GRB_DBL_ATTR_MAX_QCCOEFF "MaxQCCoeff"
#define GRB_DBL_ATTR_MIN_QCCOEFF "MinQCCoeff"
#define GRB_DBL_ATTR_MAX_QOBJ_COEFF "MaxQObjCoeff"
#define GRB_DBL_ATTR_MIN_QOBJ_COEFF "MinQObjCoeff"
#define GRB_DBL_ATTR_MAX_QCLCOEFF "MaxQCLCoeff"
#define GRB_DBL_ATTR_MIN_QCLCOEFF "MinQCLCoeff"
#define GRB_DBL_ATTR_MAX_QCRHS "MaxQCRHS"
#define GRB_DBL_ATTR_MIN_QCRHS "MinQCRHS"
#define GRB_DBL_ATTR_RUNTIME "Runtime"
#define GRB_INT_ATTR_STATUS "Status"
#define GRB_DBL_ATTR_OBJVAL "ObjVal"
#define GRB_DBL_ATTR_OBJBOUND "ObjBound"
#define GRB_DBL_ATTR_OBJBOUNDC "ObjBoundC"
#define GRB_DBL_ATTR_POOLOBJBOUND "PoolObjBound"
#define GRB_DBL_ATTR_POOLOBJVAL "PoolObjVal"
#define GRB_DBL_ATTR_MIPGAP "MIPGap"
#define GRB_INT_ATTR_SOLCOUNT "SolCount"
#define GRB_DBL_ATTR_ITERCOUNT "IterCount"
#define GRB_INT_ATTR_BARITERCOUNT "BarIterCount"
#define GRB_DBL_ATTR_NODECOUNT "NodeCount"
#define GRB_DBL_ATTR_OPENNODECOUNT "OpenNodeCount"
#define GRB_INT_ATTR_HASDUALNORM "HasDualNorm"
#define GRB_DBL_ATTR_X "X"
#define GRB_DBL_ATTR_XN "Xn"
#define GRB_DBL_ATTR_BARX "BarX"
#define GRB_DBL_ATTR_RC "RC"
#define GRB_DBL_ATTR_VDUALNORM "VDualNorm"
#define GRB_INT_ATTR_VBASIS "VBasis"
#define GRB_DBL_ATTR_PI "Pi"
#define GRB_DBL_ATTR_QCPI "QCPi"
#define GRB_DBL_ATTR_SLACK "Slack"
#define GRB_DBL_ATTR_QCSLACK "QCSlack"
#define GRB_DBL_ATTR_CDUALNORM "CDualNorm"
#define GRB_INT_ATTR_CBASIS "CBasis"
#define GRB_DBL_ATTR_BOUND_VIO "BoundVio"
#define GRB_DBL_ATTR_BOUND_SVIO "BoundSVio"
#define GRB_INT_ATTR_BOUND_VIO_INDEX "BoundVioIndex"
#define GRB_INT_ATTR_BOUND_SVIO_INDEX "BoundSVioIndex"
#define GRB_DBL_ATTR_BOUND_VIO_SUM "BoundVioSum"
#define GRB_DBL_ATTR_BOUND_SVIO_SUM "BoundSVioSum"
#define GRB_DBL_ATTR_CONSTR_VIO "ConstrVio"
#define GRB_DBL_ATTR_CONSTR_SVIO "ConstrSVio"
#define GRB_INT_ATTR_CONSTR_VIO_INDEX "ConstrVioIndex"
#define GRB_INT_ATTR_CONSTR_SVIO_INDEX "ConstrSVioIndex"
#define GRB_DBL_ATTR_CONSTR_VIO_SUM "ConstrVioSum"
#define GRB_DBL_ATTR_CONSTR_SVIO_SUM "ConstrSVioSum"
#define GRB_DBL_ATTR_CONSTR_RESIDUAL "ConstrResidual"
#define GRB_DBL_ATTR_CONSTR_SRESIDUAL "ConstrSResidual"
#define GRB_INT_ATTR_CONSTR_RESIDUAL_INDEX "ConstrResidualIndex"
#define GRB_INT_ATTR_CONSTR_SRESIDUAL_INDEX "ConstrSResidualIndex"
#define GRB_DBL_ATTR_CONSTR_RESIDUAL_SUM "ConstrResidualSum"
#define GRB_DBL_ATTR_CONSTR_SRESIDUAL_SUM "ConstrSResidualSum"
#define GRB_DBL_ATTR_DUAL_VIO "DualVio"
#define GRB_DBL_ATTR_DUAL_SVIO "DualSVio"
#define GRB_INT_ATTR_DUAL_VIO_INDEX "DualVioIndex"
#define GRB_INT_ATTR_DUAL_SVIO_INDEX "DualSVioIndex"
#define GRB_DBL_ATTR_DUAL_VIO_SUM "DualVioSum"
#define GRB_DBL_ATTR_DUAL_SVIO_SUM "DualSVioSum"
#define GRB_DBL_ATTR_DUAL_RESIDUAL "DualResidual"
#define GRB_DBL_ATTR_DUAL_SRESIDUAL "DualSResidual"
#define GRB_INT_ATTR_DUAL_RESIDUAL_INDEX "DualResidualIndex"
#define GRB_INT_ATTR_DUAL_SRESIDUAL_INDEX "DualSResidualIndex"
#define GRB_DBL_ATTR_DUAL_RESIDUAL_SUM "DualResidualSum"
#define GRB_DBL_ATTR_DUAL_SRESIDUAL_SUM "DualSResidualSum"
#define GRB_DBL_ATTR_INT_VIO "IntVio"
#define GRB_INT_ATTR_INT_VIO_INDEX "IntVioIndex"
#define GRB_DBL_ATTR_INT_VIO_SUM "IntVioSum"
#define GRB_DBL_ATTR_COMPL_VIO "ComplVio"
#define GRB_INT_ATTR_COMPL_VIO_INDEX "ComplVioIndex"
#define GRB_DBL_ATTR_COMPL_VIO_SUM "ComplVioSum"
#define GRB_DBL_ATTR_KAPPA "Kappa"
#define GRB_DBL_ATTR_KAPPA_EXACT "KappaExact"
#define GRB_DBL_ATTR_N2KAPPA "N2Kappa"
#define GRB_DBL_ATTR_SA_OBJLOW "SAObjLow"
#define GRB_DBL_ATTR_SA_OBJUP "SAObjUp"
#define GRB_DBL_ATTR_SA_LBLOW "SALBLow"
#define GRB_DBL_ATTR_SA_LBUP "SALBUp"
#define GRB_DBL_ATTR_SA_UBLOW "SAUBLow"
#define GRB_DBL_ATTR_SA_UBUP "SAUBUp"
#define GRB_DBL_ATTR_SA_RHSLOW "SARHSLow"
#define GRB_DBL_ATTR_SA_RHSUP "SARHSUp"
#define GRB_INT_ATTR_IIS_MINIMAL "IISMinimal"
#define GRB_INT_ATTR_IIS_LB "IISLB"
#define GRB_INT_ATTR_IIS_UB "IISUB"
#define GRB_INT_ATTR_IIS_CONSTR "IISConstr"
#define GRB_INT_ATTR_IIS_SOS "IISSOS"
#define GRB_INT_ATTR_IIS_QCONSTR "IISQConstr"
#define GRB_INT_ATTR_IIS_GENCONSTR "IISGenConstr"
#define GRB_INT_ATTR_TUNE_RESULTCOUNT "TuneResultCount"
#define GRB_DBL_ATTR_FARKASDUAL "FarkasDual"
#define GRB_DBL_ATTR_FARKASPROOF "FarkasProof"
#define GRB_DBL_ATTR_UNBDRAY "UnbdRay"
#define GRB_INT_ATTR_INFEASVAR "InfeasVar"
#define GRB_INT_ATTR_UNBDVAR "UnbdVar"
#define GRB_INT_ATTR_VARPRESTAT "VarPreStat"
#define GRB_DBL_ATTR_PREFIXVAL "PreFixVal"
#define GRB_DBL_ATTR_OBJN "ObjN"
#define GRB_DBL_ATTR_OBJNVAL "ObjNVal"
#define GRB_DBL_ATTR_OBJNCON "ObjNCon"
#define GRB_DBL_ATTR_OBJNWEIGHT "ObjNWeight"
#define GRB_INT_ATTR_OBJNPRIORITY "ObjNPriority"
#define GRB_DBL_ATTR_OBJNRELTOL "ObjNRelTol"
#define GRB_DBL_ATTR_OBJNABSTOL "ObjNAbsTol"
#define GRB_STR_ATTR_OBJNNAME "ObjNName"
#define GRB_INT_ATTR_NUMOBJ "NumObj"
#define GRB_INT_ATTR_NUMSTART "NumStart"
#define GRB_GENCONSTR_MAX 0
#define GRB_GENCONSTR_MIN 1
#define GRB_GENCONSTR_ABS 2
#define GRB_GENCONSTR_AND 3
#define GRB_GENCONSTR_OR 4
#define GRB_GENCONSTR_INDICATOR 5
#define GRB_CB_POLLING 0
#define GRB_CB_PRESOLVE 1
#define GRB_CB_SIMPLEX 2
#define GRB_CB_MIP 3
#define GRB_CB_MIPSOL 4
#define GRB_CB_MIPNODE 5
#define GRB_CB_MESSAGE 6
#define GRB_CB_BARRIER 7
#define GRB_CB_PRE_COLDEL 1000
#define GRB_CB_PRE_ROWDEL 1001
#define GRB_CB_PRE_SENCHG 1002
#define GRB_CB_PRE_BNDCHG 1003
#define GRB_CB_PRE_COECHG 1004
#define GRB_CB_SPX_ITRCNT 2000
#define GRB_CB_SPX_OBJVAL 2001
#define GRB_CB_SPX_PRIMINF 2002
#define GRB_CB_SPX_DUALINF 2003
#define GRB_CB_SPX_ISPERT 2004
#define GRB_CB_MIP_OBJBST 3000
#define GRB_CB_MIP_OBJBND 3001
#define GRB_CB_MIP_NODCNT 3002
#define GRB_CB_MIP_SOLCNT 3003
#define GRB_CB_MIP_CUTCNT 3004
#define GRB_CB_MIP_NODLFT 3005
#define GRB_CB_MIP_ITRCNT 3006
#define GRB_CB_MIP_OBJBNDC 3007
#define GRB_CB_MIPSOL_SOL 4001
#define GRB_CB_MIPSOL_OBJ 4002
#define GRB_CB_MIPSOL_OBJBST 4003
#define GRB_CB_MIPSOL_OBJBND 4004
#define GRB_CB_MIPSOL_NODCNT 4005
#define GRB_CB_MIPSOL_SOLCNT 4006
#define GRB_CB_MIPSOL_OBJBNDC 4007
#define GRB_CB_MIPNODE_STATUS 5001
#define GRB_CB_MIPNODE_REL 5002
#define GRB_CB_MIPNODE_OBJBST 5003
#define GRB_CB_MIPNODE_OBJBND 5004
#define GRB_CB_MIPNODE_NODCNT 5005
#define GRB_CB_MIPNODE_SOLCNT 5006
#define GRB_CB_MIPNODE_BRVAR 5007
#define GRB_CB_MIPNODE_OBJBNDC 5008
#define GRB_CB_MSG_STRING 6001
#define GRB_CB_RUNTIME 6002
#define GRB_CB_BARRIER_ITRCNT 7001
#define GRB_CB_BARRIER_PRIMOBJ 7002
#define GRB_CB_BARRIER_DUALOBJ 7003
#define GRB_CB_BARRIER_PRIMINF 7004
#define GRB_CB_BARRIER_DUALINF 7005
#define GRB_CB_BARRIER_COMPL 7006
#define GRB_FEASRELAX_LINEAR 0
#define GRB_FEASRELAX_QUADRATIC 1
#define GRB_FEASRELAX_CARDINALITY 2
extern std::function<int(GRBmodel *model, int constr, int var, double *valP)> GRBgetcoeff;
extern std::function<int(GRBmodel *model, int *numnzP, int *cbeg,int *cind, double *cval, int start, int len)> GRBgetconstrs;
extern std::function<int(GRBmodel *model, size_t *numnzP, size_t *cbeg,int *cind, double *cval, int start, int len)> GRBXgetconstrs;
extern std::function<int(GRBmodel *model, int *numnzP, int *vbeg, int *vind,double *vval, int start, int len)> GRBgetvars;
extern std::function<int(GRBmodel *model, size_t *numnzP, size_t *vbeg, int *vind,double *vval, int start, int len)> GRBXgetvars;
extern std::function<int(GRBmodel *model, int *nummembersP, int *sostype, int *beg,int *ind, double *weight, int start, int len)> GRBgetsos;
extern std::function<int(GRBmodel *model, int genconstr, int *resvarP,int *nvarsP, int *vars, double *constantP)> GRBgetgenconstrMax;
extern std::function<int(GRBmodel *model, int genconstr, int *resvarP,int *nvarsP, int *vars, double *constantP)> GRBgetgenconstrMin;
extern std::function<int(GRBmodel *model, int genconstr, int *resvarP, int *argvarP)> GRBgetgenconstrAbs;
extern std::function<int(GRBmodel *model, int genconstr, int *resvarP,int *nvarsP, int *vars)> GRBgetgenconstrAnd;
extern std::function<int(GRBmodel *model, int genconstr, int *resvarP,int *nvarsP, int *vars)> GRBgetgenconstrOr;
extern std::function<int(GRBmodel *model, int genconstr, int *binvarP, int *binvalP,int *nvarsP, int *vars, double *vals,char *senseP, double *rhsP)> GRBgetgenconstrIndicator;
extern std::function<int(GRBmodel *model, int *numqnzP, int *qrow, int *qcol, double *qval)> GRBgetq;
extern std::function<int(GRBmodel *model, int qconstr,int *numlnzP, int *lind, double *lval,int *numqnzP, int *qrow, int *qcol, double *qval)> GRBgetqconstr;
extern std::function<int(GRBmodel *model, const char *name, int *indexP)> GRBgetvarbyname;
extern std::function<int(GRBmodel *model, const char *name, int *indexP)> GRBgetconstrbyname;
extern std::function<int(GRBmodel *model, int var, int *pointsP,double *x, double *y)> GRBgetpwlobj;
extern std::function<int(GRBmodel *model)> GRBoptimize;
extern std::function<int(GRBmodel *model)> GRBoptimizeasync;
extern std::function<GRBmodel *(GRBmodel *model)> GRBcopymodel;
extern std::function<GRBmodel *(GRBmodel *model)> GRBfixedmodel;
extern std::function<int(GRBmodel *model, int relaxobjtype, int minrelax,double *lbpen, double *ubpen, double *rhspen,double *feasobjP)> GRBfeasrelax;
extern std::function<int(void *cbdata, int what, int *typeP, int *sizeP)> GRBgetcbwhatinfo;
extern std::function<GRBmodel *(GRBmodel *model)> GRBrelaxmodel;
extern std::function<int(GRBmodel *model)> GRBconverttofixed;
extern std::function<GRBmodel *(GRBmodel *model)> GRBpresolvemodel;
extern std::function<GRBmodel *(GRBmodel *model)> GRBiismodel;
extern std::function<GRBmodel *(GRBmodel *model)> GRBfeasibility;
extern std::function<GRBmodel *(GRBmodel *model)> GRBlinearizemodel;
#define MALLOCCB_ARGS size_t size, void *syscbusrdata
#define CALLOCCB_ARGS size_t nmemb, size_t size, void *syscbusrdata
#define REALLOCCB_ARGS void *ptr, size_t size, void *syscbusrdata
#define FREECB_ARGS void *ptr, void *syscbusrdata
#define THREADCREATECB_ARGS void **threadP, void (*start_routine)(void *), void *arg, void *syscbusrdata
#define THREADJOINCB_ARGS void *thread, void *syscbusrdata
extern std::function<int(GRBenv **envP, const char *logfilename,void * (GUROBI_STDCALL *malloccb)(MALLOCCB_ARGS),void * (GUROBI_STDCALL *calloccb)(CALLOCCB_ARGS),void * (GUROBI_STDCALL *realloccb)(REALLOCCB_ARGS),void (GUROBI_STDCALL *freecb)(FREECB_ARGS),int (GUROBI_STDCALL *threadcreatecb)(THREADCREATECB_ARGS),void (GUROBI_STDCALL *threadjoincb)(THREADJOINCB_ARGS),void *syscbusrdata)> GRBloadenvsyscb;
extern std::function<int(GRBenv *env, const char *filename, GRBmodel **modelP)> GRBreadmodel;
extern std::function<int(GRBmodel *model, const char *filename)> GRBread;
extern std::function<int(GRBmodel *model, const char *filename)> GRBwrite;
extern std::function<int(const char *filename)> GRBismodelfile;
extern std::function<int(const char *filename)> GRBfiletype;
extern std::function<int(const char *filename)> GRBisrecordfile;
extern std::function<int(GRBenv *env, GRBmodel **modelP, const char *Pname, int numvars,double *obj, double *lb, double *ub, char *vtype,char **varnames)> GRBnewmodel;
extern std::function<int(GRBenv *env, GRBmodel **modelP, const char *Pname,int numvars, int numconstrs,int objsense, double objcon, double *obj,char *sense, double *rhs,int *vbeg, int *vlen, int *vind, double *vval,double *lb, double *ub, char *vtype,char **varnames, char **constrnames)> GRBloadmodel;
extern std::function<int(GRBenv *env, GRBmodel **modelP, const char *Pname,int numvars, int numconstrs,int objsense, double objcon, double *obj,char *sense, double *rhs,size_t *vbeg, int *vlen, int *vind, double *vval,double *lb, double *ub, char *vtype,char **varnames, char **constrnames)> GRBXloadmodel;
extern std::function<int(GRBmodel *model, int numnz, int *vind, double *vval,double obj, double lb, double ub, char vtype,const char *varname)> GRBaddvar;
extern std::function<int(GRBmodel *model, int numvars, int numnz,int *vbeg, int *vind, double *vval,double *obj, double *lb, double *ub, char *vtype,char **varnames)> GRBaddvars;
extern std::function<int(GRBmodel *model, int numvars, size_t numnz,size_t *vbeg, int *vind, double *vval,double *obj, double *lb, double *ub, char *vtype,char **varnames)> GRBXaddvars;
extern std::function<int(GRBmodel *model, int numnz, int *cind, double *cval,char sense, double rhs, const char *constrname)> GRBaddconstr;
extern std::function<int(GRBmodel *model, int numconstrs, int numnz,int *cbeg, int *cind, double *cval,char *sense, double *rhs, char **constrnames)> GRBaddconstrs;
extern std::function<int(GRBmodel *model, int numconstrs, size_t numnz,size_t *cbeg, int *cind, double *cval,char *sense, double *rhs, char **constrnames)> GRBXaddconstrs;
extern std::function<int(GRBmodel *model, int numnz, int *cind, double *cval,double lower, double upper, const char *constrname)> GRBaddrangeconstr;
extern std::function<int(GRBmodel *model, int numconstrs, int numnz,int *cbeg, int *cind, double *cval,double *lower, double *upper, char **constrnames)> GRBaddrangeconstrs;
extern std::function<int(GRBmodel *model, int numconstrs, size_t numnz,size_t *cbeg, int *cind, double *cval,double *lower, double *upper, char **constrnames)> GRBXaddrangeconstrs;
extern std::function<int(GRBmodel *model, int numsos, int nummembers, int *types,int *beg, int *ind, double *weight)> GRBaddsos;
extern std::function<int(GRBmodel *model, const char *name,int resvar, int nvars, const int *vars,double constant)> GRBaddgenconstrMax;
extern std::function<int(GRBmodel *model, const char *name,int resvar, int nvars, const int *vars,double constant)> GRBaddgenconstrMin;
extern std::function<int(GRBmodel *model, const char *name,int resvar, int argvar)> GRBaddgenconstrAbs;
extern std::function<int(GRBmodel *model, const char *name,int resvar, int nvars, const int *vars)> GRBaddgenconstrAnd;
extern std::function<int(GRBmodel *model, const char *name,int resvar, int nvars, const int *vars)> GRBaddgenconstrOr;
extern std::function<int(GRBmodel *lp, const char *name,int binvar, int binval, int nvars, const int *vars,const double *vals, char sense, double rhs)> GRBaddgenconstrIndicator;
extern std::function<int(GRBmodel *model, int numlnz, int *lind, double *lval,int numqnz, int *qrow, int *qcol, double *qval,char sense, double rhs, const char *QCname)> GRBaddqconstr;
extern std::function<int(GRBmodel *model, int nummembers, int *members)> GRBaddcone;
extern std::function<int(GRBmodel *model, int numqnz, int *qrow, int *qcol,double *qval)> GRBaddqpterms;
extern std::function<int(GRBmodel *model, int len, int *ind)> GRBdelvars;
extern std::function<int(GRBmodel *model, int len, int *ind)> GRBdelconstrs;
extern std::function<int(GRBmodel *model, int len, int *ind)> GRBdelsos;
extern std::function<int(GRBmodel *model, int len, int *ind)> GRBdelgenconstrs;
extern std::function<int(GRBmodel *model, int len, int *ind)> GRBdelqconstrs;
extern std::function<int(GRBmodel *model)> GRBdelq;
extern std::function<int(GRBmodel *model, int cnt, int *cind, int *vind, double *val)> GRBchgcoeffs;
extern std::function<int(GRBmodel *model, size_t cnt, int *cind, int *vind, double *val)> GRBXchgcoeffs;
extern std::function<int(GRBmodel *model, int var, int points, double *x,double *y)> GRBsetpwlobj;
extern std::function<int(GRBmodel *model)> GRBupdatemodel;
extern std::function<int(GRBmodel *model)> GRBresetmodel;
extern std::function<int(GRBmodel *model)> GRBfreemodel;
extern std::function<int(GRBmodel *model)> GRBcomputeIIS;
extern std::function<int(GRBmodel *model, GRBsvec *b, GRBsvec *x)> GRBFSolve;
extern std::function<int(GRBmodel *model, int j, GRBsvec *x)> GRBBinvColj;
extern std::function<int(GRBmodel *model, int j, GRBsvec *x)> GRBBinvj;
extern std::function<int(GRBmodel *model, GRBsvec *b, GRBsvec *x)> GRBBSolve;
extern std::function<int(GRBmodel *model, int i, GRBsvec *x)> GRBBinvi;
extern std::function<int(GRBmodel *model, int i, GRBsvec *x)> GRBBinvRowi;
extern std::function<int(GRBmodel *model, int *bhead)> GRBgetBasisHead;
#define GRB_LOADED 1
#define GRB_OPTIMAL 2
#define GRB_INFEASIBLE 3
#define GRB_INF_OR_UNBD 4
#define GRB_UNBOUNDED 5
#define GRB_CUTOFF 6
#define GRB_ITERATION_LIMIT 7
#define GRB_NODE_LIMIT 8
#define GRB_TIME_LIMIT 9
#define GRB_SOLUTION_LIMIT 10
#define GRB_INTERRUPTED 11
#define GRB_NUMERIC 12
#define GRB_SUBOPTIMAL 13
#define GRB_INPROGRESS 14
#define GRB_USER_OBJ_LIMIT 15
#define GRB_BASIC 0
#define GRB_NONBASIC_LOWER -1
#define GRB_NONBASIC_UPPER -2
#define GRB_SUPERBASIC -3
extern std::function<int(GRBmodel *model, int num, int *cand,double *downobjbd, double *upobjbd, int *statusP)> GRBstrongbranch;
#define GRB_INT_PAR_BARITERLIMIT "BarIterLimit"
#define GRB_DBL_PAR_CUTOFF "Cutoff"
#define GRB_DBL_PAR_ITERATIONLIMIT "IterationLimit"
#define GRB_DBL_PAR_NODELIMIT "NodeLimit"
#define GRB_INT_PAR_SOLUTIONLIMIT "SolutionLimit"
#define GRB_DBL_PAR_TIMELIMIT "TimeLimit"
#define GRB_DBL_PAR_BESTOBJSTOP "BestObjStop"
#define GRB_DBL_PAR_BESTBDSTOP "BestBdStop"
#define GRB_DBL_PAR_FEASIBILITYTOL "FeasibilityTol"
#define GRB_DBL_PAR_INTFEASTOL "IntFeasTol"
#define GRB_DBL_PAR_MARKOWITZTOL "MarkowitzTol"
#define GRB_DBL_PAR_MIPGAP "MIPGap"
#define GRB_DBL_PAR_MIPGAPABS "MIPGapAbs"
#define GRB_DBL_PAR_OPTIMALITYTOL "OptimalityTol"
#define GRB_DBL_PAR_PSDTOL "PSDTol"
#define GRB_INT_PAR_METHOD "Method"
#define GRB_DBL_PAR_PERTURBVALUE "PerturbValue"
#define GRB_DBL_PAR_OBJSCALE "ObjScale"
#define GRB_INT_PAR_SCALEFLAG "ScaleFlag"
#define GRB_INT_PAR_SIMPLEXPRICING "SimplexPricing"
#define GRB_INT_PAR_QUAD "Quad"
#define GRB_INT_PAR_NORMADJUST "NormAdjust"
#define GRB_INT_PAR_SIFTING "Sifting"
#define GRB_INT_PAR_SIFTMETHOD "SiftMethod"
#define GRB_DBL_PAR_BARCONVTOL "BarConvTol"
#define GRB_INT_PAR_BARCORRECTORS "BarCorrectors"
#define GRB_INT_PAR_BARHOMOGENEOUS "BarHomogeneous"
#define GRB_INT_PAR_BARORDER "BarOrder"
#define GRB_DBL_PAR_BARQCPCONVTOL "BarQCPConvTol"
#define GRB_INT_PAR_CROSSOVER "Crossover"
#define GRB_INT_PAR_CROSSOVERBASIS "CrossoverBasis"
#define GRB_INT_PAR_BRANCHDIR "BranchDir"
#define GRB_INT_PAR_DEGENMOVES "DegenMoves"
#define GRB_INT_PAR_DISCONNECTED "Disconnected"
#define GRB_DBL_PAR_HEURISTICS "Heuristics"
#define GRB_DBL_PAR_IMPROVESTARTGAP "ImproveStartGap"
#define GRB_DBL_PAR_IMPROVESTARTTIME "ImproveStartTime"
#define GRB_DBL_PAR_IMPROVESTARTNODES "ImproveStartNodes"
#define GRB_INT_PAR_MINRELNODES "MinRelNodes"
#define GRB_INT_PAR_MIPFOCUS "MIPFocus"
#define GRB_STR_PAR_NODEFILEDIR "NodefileDir"
#define GRB_DBL_PAR_NODEFILESTART "NodefileStart"
#define GRB_INT_PAR_NODEMETHOD "NodeMethod"
#define GRB_INT_PAR_NORELHEURISTIC "NoRelHeuristic"
#define GRB_INT_PAR_PUMPPASSES "PumpPasses"
#define GRB_INT_PAR_RINS "RINS"
#define GRB_INT_PAR_STARTNODELIMIT "StartNodeLimit"
#define GRB_INT_PAR_SUBMIPNODES "SubMIPNodes"
#define GRB_INT_PAR_SYMMETRY "Symmetry"
#define GRB_INT_PAR_VARBRANCH "VarBranch"
#define GRB_INT_PAR_SOLUTIONNUMBER "SolutionNumber"
#define GRB_INT_PAR_ZEROOBJNODES "ZeroObjNodes"
#define GRB_INT_PAR_CUTS "Cuts"
#define GRB_INT_PAR_CLIQUECUTS "CliqueCuts"
#define GRB_INT_PAR_COVERCUTS "CoverCuts"
#define GRB_INT_PAR_FLOWCOVERCUTS "FlowCoverCuts"
#define GRB_INT_PAR_FLOWPATHCUTS "FlowPathCuts"
#define GRB_INT_PAR_GUBCOVERCUTS "GUBCoverCuts"
#define GRB_INT_PAR_IMPLIEDCUTS "ImpliedCuts"
#define GRB_INT_PAR_PROJIMPLIEDCUTS "ProjImpliedCuts"
#define GRB_INT_PAR_MIPSEPCUTS "MIPSepCuts"
#define GRB_INT_PAR_MIRCUTS "MIRCuts"
#define GRB_INT_PAR_STRONGCGCUTS "StrongCGCuts"
#define GRB_INT_PAR_MODKCUTS "ModKCuts"
#define GRB_INT_PAR_ZEROHALFCUTS "ZeroHalfCuts"
#define GRB_INT_PAR_NETWORKCUTS "NetworkCuts"
#define GRB_INT_PAR_SUBMIPCUTS "SubMIPCuts"
#define GRB_INT_PAR_INFPROOFCUTS "InfProofCuts"
#define GRB_INT_PAR_CUTAGGPASSES "CutAggPasses"
#define GRB_INT_PAR_CUTPASSES "CutPasses"
#define GRB_INT_PAR_GOMORYPASSES "GomoryPasses"
#define GRB_STR_PAR_WORKERPOOL "WorkerPool"
#define GRB_STR_PAR_WORKERPASSWORD "WorkerPassword"
#define GRB_INT_PAR_WORKERPORT "WorkerPort"
#define GRB_INT_PAR_AGGREGATE "Aggregate"
#define GRB_INT_PAR_AGGFILL "AggFill"
#define GRB_INT_PAR_CONCURRENTMIP "ConcurrentMIP"
#define GRB_INT_PAR_CONCURRENTJOBS "ConcurrentJobs"
#define GRB_INT_PAR_DISPLAYINTERVAL "DisplayInterval"
#define GRB_INT_PAR_DISTRIBUTEDMIPJOBS "DistributedMIPJobs"
#define GRB_INT_PAR_DUALREDUCTIONS "DualReductions"
#define GRB_DBL_PAR_FEASRELAXBIGM "FeasRelaxBigM"
#define GRB_INT_PAR_IISMETHOD "IISMethod"
#define GRB_INT_PAR_INFUNBDINFO "InfUnbdInfo"
#define GRB_INT_PAR_LAZYCONSTRAINTS "LazyConstraints"
#define GRB_STR_PAR_LOGFILE "LogFile"
#define GRB_INT_PAR_LOGTOCONSOLE "LogToConsole"
#define GRB_INT_PAR_MIQCPMETHOD "MIQCPMethod"
#define GRB_INT_PAR_NUMERICFOCUS "NumericFocus"
#define GRB_INT_PAR_OUTPUTFLAG "OutputFlag"
#define GRB_INT_PAR_PRECRUSH "PreCrush"
#define GRB_INT_PAR_PREDEPROW "PreDepRow"
#define GRB_INT_PAR_PREDUAL "PreDual"
#define GRB_INT_PAR_PREPASSES "PrePasses"
#define GRB_INT_PAR_PREQLINEARIZE "PreQLinearize"
#define GRB_INT_PAR_PRESOLVE "Presolve"
#define GRB_DBL_PAR_PRESOS1BIGM "PreSOS1BigM"
#define GRB_DBL_PAR_PRESOS2BIGM "PreSOS2BigM"
#define GRB_INT_PAR_PRESPARSIFY "PreSparsify"
#define GRB_INT_PAR_PREMIQCPFORM "PreMIQCPForm"
#define GRB_INT_PAR_QCPDUAL "QCPDual"
#define GRB_INT_PAR_RECORD "Record"
#define GRB_STR_PAR_RESULTFILE "ResultFile"
#define GRB_INT_PAR_SEED "Seed"
#define GRB_INT_PAR_THREADS "Threads"
#define GRB_DBL_PAR_TUNETIMELIMIT "TuneTimeLimit"
#define GRB_INT_PAR_TUNERESULTS "TuneResults"
#define GRB_INT_PAR_TUNECRITERION "TuneCriterion"
#define GRB_INT_PAR_TUNETRIALS "TuneTrials"
#define GRB_INT_PAR_TUNEOUTPUT "TuneOutput"
#define GRB_INT_PAR_TUNEJOBS "TuneJobs"
#define GRB_INT_PAR_UPDATEMODE "UpdateMode"
#define GRB_INT_PAR_OBJNUMBER "ObjNumber"
#define GRB_INT_PAR_MULTIOBJMETHOD "MultiObjMethod"
#define GRB_INT_PAR_MULTIOBJPRE "MultiObjPre"
#define GRB_INT_PAR_POOLSOLUTIONS "PoolSolutions"
#define GRB_DBL_PAR_POOLGAP "PoolGap"
#define GRB_INT_PAR_POOLSEARCHMODE "PoolSearchMode"
#define GRB_INT_PAR_STARTNUMBER "StartNumber"
#define GRB_INT_PAR_IGNORENAMES "IgnoreNames"
#define GRB_STR_PAR_DUMMY "Dummy"
#define GRB_CUTS_AUTO -1
#define GRB_CUTS_OFF 0
#define GRB_CUTS_CONSERVATIVE 1
#define GRB_CUTS_AGGRESSIVE 2
#define GRB_CUTS_VERYAGGRESSIVE 3
#define GRB_PRESOLVE_AUTO -1
#define GRB_PRESOLVE_OFF 0
#define GRB_PRESOLVE_CONSERVATIVE 1
#define GRB_PRESOLVE_AGGRESSIVE 2
#define GRB_METHOD_AUTO -1
#define GRB_METHOD_PRIMAL 0
#define GRB_METHOD_DUAL 1
#define GRB_METHOD_BARRIER 2
#define GRB_METHOD_CONCURRENT 3
#define GRB_METHOD_DETERMINISTIC_CONCURRENT 4
#define GRB_METHOD_DETERMINISTIC_CONCURRENT_SIMPLEX 5
#define GRB_BARHOMOGENEOUS_AUTO -1
#define GRB_BARHOMOGENEOUS_OFF 0
#define GRB_BARHOMOGENEOUS_ON 1
#define GRB_MIPFOCUS_BALANCED 0
#define GRB_MIPFOCUS_FEASIBILITY 1
#define GRB_MIPFOCUS_OPTIMALITY 2
#define GRB_MIPFOCUS_BESTBOUND 3
#define GRB_BARORDER_AUTOMATIC -1
#define GRB_BARORDER_AMD 0
#define GRB_BARORDER_NESTEDDISSECTION 1
#define GRB_SIMPLEXPRICING_AUTO -1
#define GRB_SIMPLEXPRICING_PARTIAL 0
#define GRB_SIMPLEXPRICING_STEEPEST_EDGE 1
#define GRB_SIMPLEXPRICING_DEVEX 2
#define GRB_SIMPLEXPRICING_STEEPEST_QUICK 3
#define GRB_VARBRANCH_AUTO -1
#define GRB_VARBRANCH_PSEUDO_REDUCED 0
#define GRB_VARBRANCH_PSEUDO_SHADOW 1
#define GRB_VARBRANCH_MAX_INFEAS 2
#define GRB_VARBRANCH_STRONG 3
extern std::function<int(GRBmodel *model)> GRBcheckmodel;
extern std::function<void(GRBmodel *model)> GRBsetsignal;
extern std::function<void(GRBmodel *model)> GRBterminate;
extern std::function<int(const char *filename)> GRBreplay;
extern std::function<int(GRBmodel *model, int sense, double constant,int lnz, int *lind, double *lval,int qnz, int *qrow, int *qcol, double *qval)> GRBsetobjective;
extern std::function<int(GRBmodel *model, int index, int priority, double weight,double abstol, double reltol, const char *name,double constant, int lnz, int *lind, double *lval)> GRBsetobjectiven;
extern std::function<void(GRBenv *env, const char *message)> GRBmsg;
extern std::function<int(GRBenv *env, FILE **logfileP)> GRBgetlogfile;
extern std::function<int(GRBenv *env, FILE *logfile)> GRBsetlogfile;
extern std::function<int(GRBenv *env, const char *paramname, int *valueP)> GRBgetintparam;
extern std::function<int(GRBenv *env, const char *paramname, double *valueP)> GRBgetdblparam;
extern std::function<int(GRBenv *env, const char *paramname, char *valueP)> GRBgetstrparam;
extern std::function<int(GRBenv *env, const char *paramname, int *valueP,int *minP, int *maxP, int *defP)> GRBgetintparaminfo;
extern std::function<int(GRBenv *env, const char *paramname, double *valueP,double *minP, double *maxP, double *defP)> GRBgetdblparaminfo;
extern std::function<int(GRBenv *env, const char *paramname, char *valueP,char *defP)> GRBgetstrparaminfo;
extern std::function<int(GRBenv *env, const char *paramname, const char *value)> GRBsetparam;
extern std::function<int(GRBenv *env, const char *paramname, int value)> GRBsetintparam;
extern std::function<int(GRBenv *env, const char *paramname, double value)> GRBsetdblparam;
extern std::function<int(GRBenv *env, const char *paramname, const char *value)> GRBsetstrparam;
extern std::function<int(GRBenv *env, const char *paramname)> GRBgetparamtype;
extern std::function<int(GRBenv *env)> GRBresetparams;
extern std::function<int(GRBenv *dest, GRBenv *src)> GRBcopyparams;
extern std::function<int(GRBenv *env, const char *filename)> GRBwriteparams;
extern std::function<int(GRBenv *env, const char *filename)> GRBreadparams;
extern std::function<int(GRBenv *env)> GRBgetnumparams;
extern std::function<int(GRBenv *env, int i, char **paramnameP)> GRBgetparamname;
extern std::function<int(GRBmodel *model)> GRBgetnumattributes;
extern std::function<int(GRBmodel *model, int i, char **attrnameP)> GRBgetattrname;
extern std::function<int(GRBenv **envP, const char *logfilename)> GRBloadenv;
extern std::function<int(GRBenv **envP, const char *logfilename,int apitype, int major, int minor, int tech,int (GUROBI_STDCALL *cb)(CB_ARGS), void *usrdata)> GRBloadenvadv;
extern std::function<int(GRBenv **envP, const char *logfilename,const char *computeservers, int port, const char *password,int priority, double timeout)> GRBloadclientenv;
extern std::function<int(GRBenv **envP, const char *logfilename,const char *computeservers, int port,const char *password, int priority, double timeout,int apitype, int major, int minor, int tech,int (GUROBI_STDCALL *cb)(CB_ARGS), void *usrdata)> GRBloadclientenvadv;
extern std::function<int(GRBenv **envP, const char *logfilename,const char *accessID, const char *secretKey,const char *pool)> GRBloadcloudenv;
extern std::function<int(GRBenv **envP, const char *logfilename,const char *accessID, const char *secretKey,const char *pool, int apitype, int major,int minor, int tech,int (GUROBI_STDCALL *cb)(CB_ARGS), void *usrdata)> GRBloadcloudenvadv;
extern std::function<GRBenv *(GRBmodel *model)> GRBgetenv;
extern std::function<GRBenv *(GRBmodel *model, int num)> GRBgetconcurrentenv;
extern std::function<void(GRBmodel *model)> GRBdiscardconcurrentenvs;
extern std::function<GRBenv *(GRBmodel *model, int num)> GRBgetmultiobjenv;
extern std::function<void(GRBmodel *model)> GRBdiscardmultiobjenvs;
extern std::function<void(GRBenv *env)> GRBreleaselicense;
extern std::function<void(GRBenv *env)> GRBfreeenv;
extern std::function<const char *(GRBenv *env)> GRBgeterrormsg;
extern std::function<const char *(GRBmodel *model)> GRBgetmerrormsg;
extern std::function<void(int *majorP, int *minorP, int *technicalP)> GRBversion;
extern std::function<char *(void)> GRBplatform;
extern std::function<int(GRBmodel *model)> GRBtunemodel;
extern std::function<int(int nummodels, GRBmodel **models,GRBmodel *ignore, GRBmodel *hint)> GRBtunemodels;
extern std::function<int(GRBmodel *model, int i)> GRBgettuneresult;
extern std::function<int(GRBmodel *model, int i, char **logP)> GRBgettunelog;
extern std::function<int(GRBmodel *model, GRBmodel *ignore, GRBmodel *hint)> GRBtunemodeladv;
extern std::function<int(GRBmodel *model)> GRBsync;


}  // namespace operations_research

#endif  // OR_TOOLS_GUROBI_ENVIRONMENT_H_