Class GurobiDllWrapper

The gurobi dll wrapper.

Inheritance

System.Object

GurobiDllWrapper

Inherited Members

System.Object.ToString()

System.Object.Equals(System.Object)

System.Object.Equals(System.Object, System.Object)

System.Object.ReferenceEquals(System.Object, System.Object)

System.Object.GetHashCode()

System.Object.GetType()

System.Object.MemberwiseClone()

Namespace: OPTANO.Modeling.Optimization.Solver.Gurobi652

Assembly: Optimization.Solver.Gurobi652.dll

Syntax

public class GurobiDllWrapper

Methods

GRBaddconstrs(IntPtr, Int32, Int32, Int32[], Int32[], Double[], Char[], Double[], String[])

The gr baddconstrs.

Declaration

public static int GRBaddconstrs(IntPtr model, int numconstrs, int nz, int[] Cbeg, int[] Cind, double[] Cval, char[] sense, double[] rhs, string[] Cname)

Parameters

Type	Name	Description
System.IntPtr	model	The model.
System.Int32	numconstrs	The numconstrs.
System.Int32	nz	The nz.
System.Int32[]	Cbeg	The cbeg.
System.Int32[]	Cind	The cind.
System.Double[]	Cval	The cval.
System.Char[]	sense	The sense.
System.Double[]	rhs	The rhs.
System.String[]	Cname	The cname.

Returns

Type	Description
System.Int32	The System.Int32.

GRBaddrangeconstrs(IntPtr, Int32, Int32, Int32[], Int32[], Double[], Double[], Double[], String[])

The gr baddrangeconstrs.

Declaration

public static int GRBaddrangeconstrs(IntPtr model, int numconstrs, int nz, int[] Cbeg, int[] Cind, double[] Cval, double[] lhs, double[] rhs, string[] Cname)

Parameters

Type	Name	Description
System.IntPtr	model	The model.
System.Int32	numconstrs	The numconstrs.
System.Int32	nz	The nz.
System.Int32[]	Cbeg	The cbeg.
System.Int32[]	Cind	The cind.
System.Double[]	Cval	The cval.
System.Double[]	lhs	The lhs.
System.Double[]	rhs	The rhs.
System.String[]	Cname	The cname.

Returns

Type	Description
System.Int32	The System.Int32.

GRBaddsos(IntPtr, Int32, Int32, Int32[], Int32[], Int32[], Double[])

The gr baddsos.

Declaration

public static int GRBaddsos(IntPtr model, int numsos, int nummembers, int[] SOStype, int[] SOSbeg, int[] SOSind, double[] SOSweight)

Parameters

Type	Name	Description
System.IntPtr	model	The model.
System.Int32	numsos	The numsos.
System.Int32	nummembers	The nummembers.
System.Int32[]	SOStype	The so stype.
System.Int32[]	SOSbeg	The so sbeg.
System.Int32[]	SOSind	The so sind.
System.Double[]	SOSweight	The so sweight.

Returns

Type	Description
System.Int32	The System.Int32.

GRBaddvar(IntPtr, Int32, Int32[], Double[], Double, Double, Double, Char, String)

The gr baddvar.

Declaration

public static int GRBaddvar(IntPtr model, int nz, int[] Vind, double[] Vval, double obj, double lb, double ub, char vtype, string Rname)

Parameters

Type	Name	Description
System.IntPtr	model	The model.
System.Int32	nz	The nz.
System.Int32[]	Vind	The vind.
System.Double[]	Vval	The vval.
System.Double	obj	The obj.
System.Double	lb	The lb.
System.Double	ub	The ub.
System.Char	vtype	The vtype.
System.String	Rname	The rname.

Returns

Type	Description
System.Int32	The System.Int32.

GRBaddvars(IntPtr, Int32, Int32, Int32[], Int32[], Double[], Double[], Double[], Double[], Char[], String[])

The gr baddvars.

Declaration

public static int GRBaddvars(IntPtr model, int numvars, int nz, int[] Vbeg, int[] Vind, double[] Vval, double[] obj, double[] lb, double[] ub, char[] Vtype, string[] Vname)

Parameters

Type	Name	Description
System.IntPtr	model	The model.
System.Int32	numvars	The numvars.
System.Int32	nz	The nz.
System.Int32[]	Vbeg	The vbeg.
System.Int32[]	Vind	The vind.
System.Double[]	Vval	The vval.
System.Double[]	obj	The obj.
System.Double[]	lb	The lb.
System.Double[]	ub	The ub.
System.Char[]	Vtype	The vtype.
System.String[]	Vname	The vname.

Returns

Type	Description
System.Int32	The System.Int32.

GRBclean2(ref Int32, Int32[], Double[])

Normalizes a linear expression.

Declaration

public static int GRBclean2(ref int len, int[] ind, double[] val)

Parameters

Type	Name	Description
System.Int32	len	The number of Terms in the linear expression that should be cleaned. (I.e. ind.Length) ref updates the len to the resulting number of Terms in the expression. Educated guess: ind and val will be filled from position 0 to len-1.
System.Int32[]	ind	The variable in every Term. Needs to be in the same order as val.
System.Double[]	val	The factor for every Term. Needs to be in the same order as ind.

Returns

Type	Description
System.Int32	The error code. 0, if no error occurred.

GRBdelq(IntPtr)

The gr bdelq.

Declaration

public static int GRBdelq(IntPtr model)

Parameters

Type	Name	Description
System.IntPtr	model	The model.

Returns

Type	Description
System.Int32	The System.Int32.

GRBfreemodel(IntPtr)

The gr bfreemodel.

Declaration

public static int GRBfreemodel(IntPtr model)

Parameters

Type	Name	Description
System.IntPtr	model	The model.

Returns

Type	Description
System.Int32	The System.Int32.

GRBgetdblattr(IntPtr, String, out Double)

The gr bgetdblattr.

Declaration

public static int GRBgetdblattr(IntPtr model, string attrname, out double value)

Parameters

Type	Name	Description
System.IntPtr	model	The model.
System.String	attrname	The attrname.
System.Double	value	The value.

Returns

Type	Description
System.Int32	The System.Int32.

GRBgetdblattrelement(IntPtr, String, Int32, out Double)

The gr bgetdblattrelement.

Declaration

public static int GRBgetdblattrelement(IntPtr model, string attrname, int element, out double value)

Parameters

Type	Name	Description
System.IntPtr	model	The model.
System.String	attrname	The attrname.
System.Int32	element	The element.
System.Double	value	The value.

Returns

Type	Description
System.Int32	The System.Int32.

GRBgetenv(IntPtr)

The gr bgetenv.

Declaration

public static IntPtr GRBgetenv(IntPtr model)

Parameters

Type	Name	Description
System.IntPtr	model	The model.

Returns

Type	Description
System.IntPtr	The System.IntPtr.

GRBgetintattr(IntPtr, String, out Int32)

The gr bgetintattr.

Declaration

public static int GRBgetintattr(IntPtr model, string attrname, out int value)

Parameters

Type	Name	Description
System.IntPtr	model	The model.
System.String	attrname	The attrname.
System.Int32	value	The value.

Returns

Type	Description
System.Int32	The System.Int32.

GRBgetstrattr(IntPtr, String, out IntPtr)

The gr bgetstrattr.

Declaration

public static int GRBgetstrattr(IntPtr model, string attrname, out IntPtr value)

Parameters

Type	Name	Description
System.IntPtr	model	The model.
System.String	attrname	The attrname.
System.IntPtr	value	The value.

Returns

Type	Description
System.Int32	The System.Int32.

GRBgetstrattrelement(IntPtr, String, Int32, out IntPtr)

The gr bgetstrattrelement.

Declaration

public static int GRBgetstrattrelement(IntPtr model, string attrname, int element, out IntPtr value)

Parameters

Type	Name	Description
System.IntPtr	model	The model.
System.String	attrname	The attrname.
System.Int32	element	The element.
System.IntPtr	value	The value.

Returns

Type	Description
System.Int32	The System.Int32.

GRBloadenv(out IntPtr, String)

The gr bloadenv.

Declaration

public static int GRBloadenv(out IntPtr env, string logfilename)

Parameters

Type	Name	Description
System.IntPtr	env	The env.
System.String	logfilename	The logfilename.

Returns

Type	Description
System.Int32	The System.Int32.

GRBnewmodel(IntPtr, out IntPtr, String, Int32, Double[], Double[], Double[], Char[], String[])

The gr bnewmodel.

Declaration

public static int GRBnewmodel(IntPtr env, out IntPtr model, string Pname, int numvars, double[] obj, double[] lb, double[] ub, char[] vtype, string[] varnames)

Parameters

Type	Name	Description
System.IntPtr	env	The env.
System.IntPtr	model	The model.
System.String	Pname	The pname.
System.Int32	numvars	The numvars.
System.Double[]	obj	The obj.
System.Double[]	lb	The lb.
System.Double[]	ub	The ub.
System.Char[]	vtype	The vtype.
System.String[]	varnames	The varnames.

Returns

Type	Description
System.Int32	The System.Int32.

GRBoptimize(IntPtr)

The gr boptimize.

Declaration

public static int GRBoptimize(IntPtr model)

Parameters

Type	Name	Description
System.IntPtr	model	The model.

Returns

Type	Description
System.Int32	The System.Int32.

GRBpresolvemodel(IntPtr)

The gr bpresolvemodel.

Declaration

public static IntPtr GRBpresolvemodel(IntPtr model)

Parameters

Type	Name	Description
System.IntPtr	model	The model.

Returns

Type	Description
System.IntPtr	The System.IntPtr.

GRBsetdblattr(IntPtr, String, Double)

The gr bsetdblattr.

Declaration

public static int GRBsetdblattr(IntPtr model, string attrname, double value)

Parameters

Type	Name	Description
System.IntPtr	model	The model.
System.String	attrname	The attrname.
System.Double	value	The value.

Returns

Type	Description
System.Int32	The System.Int32.

GRBsetdblattrelement(IntPtr, String, Int32, Double)

The gr bsetdblattrelement.

Declaration

public static int GRBsetdblattrelement(IntPtr model, string attrname, int element, double newvalue)

Parameters

Type	Name	Description
System.IntPtr	model	The model.
System.String	attrname	The attrname.
System.Int32	element	The element.
System.Double	newvalue	The newvalue.

Returns

Type	Description
System.Int32	The System.Int32.

GRBsetdblattrlist(IntPtr, String, Int32, Int32[], Double[])

The gr bsetdblattrlist.

Declaration

public static int GRBsetdblattrlist(IntPtr model, string attrname, int len, int[] ind, double[] newvalues)

Parameters

Type	Name	Description
System.IntPtr	model	The model.
System.String	attrname	The attrname.
System.Int32	len	The len.
System.Int32[]	ind	The ind.
System.Double[]	newvalues	The newvalues.

Returns

Type	Description
System.Int32	The System.Int32.

GRBsetintattr(IntPtr, String, Int32)

The gr bsetintattr.

Declaration

public static int GRBsetintattr(IntPtr model, string attrname, int newvalue)

Parameters

Type	Name	Description
System.IntPtr	model	The model.
System.String	attrname	The attrname.
System.Int32	newvalue	The newvalue.

Returns

Type	Description
System.Int32	The System.Int32.

GRBsetintattrelement(IntPtr, String, Int32, Int32)

The gr bsetintattrelement.

Declaration

public static int GRBsetintattrelement(IntPtr model, string attrname, int element, int newvalue)

Parameters

Type	Name	Description
System.IntPtr	model	The model.
System.String	attrname	The attrname.
System.Int32	element	The element.
System.Int32	newvalue	The newvalue.

Returns

Type	Description
System.Int32	The System.Int32.

GRBsetintparam(IntPtr, String, Int32)

The gr bsetintparam.

Declaration

public static int GRBsetintparam(IntPtr model, string paramname, int newvalue)

Parameters

Type	Name	Description
System.IntPtr	model	The model.
System.String	paramname	The paramname.
System.Int32	newvalue	The newvalue.

Returns

Type	Description
System.Int32	The System.Int32.

GRBterminate(IntPtr)

The gr bterminate.

Declaration

public static void GRBterminate(IntPtr model)

Parameters

Type	Name	Description
System.IntPtr	model	The model.

GRBupdatemodel(IntPtr)

The gr bupdatemodel.

Declaration

public static int GRBupdatemodel(IntPtr model)

Parameters

Type	Name	Description
System.IntPtr	model	The model.

Returns

Type	Description
System.Int32	The System.Int32.

GRBwrite(IntPtr, String)

The gr bwrite.

Declaration

public static int GRBwrite(IntPtr model, string filename)

Parameters

Type	Name	Description
System.IntPtr	model	The model.
System.String	filename	The filename.

Returns

Type	Description
System.Int32	The System.Int32.

Extension Methods

ReflectionHelper.GetFieldValue(Object, String)

ReflectionHelper.SetFieldValue(Object, String, Object)

ExtensionMethods.Clone<T>(T)

ExtensionMethods.ThrowIfArgumentIsNull<T>(T, String)