Class HighsWrapper15x.HighsLpSolver

Inheritance
System.Object
HighsWrapper15x.HighsLpSolver
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.Highs15x
Assembly: Optimization.Solver.Highs15x.dll
Syntax
public class HighsLpSolver : IDisposable

Constructors

HighsLpSolver()

Declaration
public HighsLpSolver()

Methods

addCol(Double, Double, Double, Int32[], Double[])

Declaration
public HighsWrapper15x.HighsStatus addCol(double cost, double lower, double upper, int[] indices, double[] values)
Parameters
Type Name Description
System.Double cost
System.Double lower
System.Double upper
System.Int32[] indices
System.Double[] values
Returns
Type Description
HighsWrapper15x.HighsStatus

addCols(Double[], Double[], Double[], Int32[], Int32[], Double[])

Declaration
public HighsWrapper15x.HighsStatus addCols(double[] costs, double[] lower, double[] upper, int[] starts, int[] indices, double[] values)
Parameters
Type Name Description
System.Double[] costs
System.Double[] lower
System.Double[] upper
System.Int32[] starts
System.Int32[] indices
System.Double[] values
Returns
Type Description
HighsWrapper15x.HighsStatus

addRow(Double, Double, Int32[], Double[])

Declaration
public HighsWrapper15x.HighsStatus addRow(double lower, double upper, int[] indices, double[] values)
Parameters
Type Name Description
System.Double lower
System.Double upper
System.Int32[] indices
System.Double[] values
Returns
Type Description
HighsWrapper15x.HighsStatus

addRows(Double[], Double[], Int32[], Int32[], Double[])

Declaration
public HighsWrapper15x.HighsStatus addRows(double[] lower, double[] upper, int[] starts, int[] indices, double[] values)
Parameters
Type Name Description
System.Double[] lower
System.Double[] upper
System.Int32[] starts
System.Int32[] indices
System.Double[] values
Returns
Type Description
HighsWrapper15x.HighsStatus

call(HighsWrapper15x.HighsModel, ref HighsWrapper15x.HighsSolution, ref HighsWrapper15x.HighsBasis, ref HighsWrapper15x.HighsModelStatus)

Declaration
public static HighsWrapper15x.HighsStatus call(HighsWrapper15x.HighsModel model, ref HighsWrapper15x.HighsSolution sol, ref HighsWrapper15x.HighsBasis bas, ref HighsWrapper15x.HighsModelStatus modelstatus)
Parameters
Type Name Description
HighsWrapper15x.HighsModel model
HighsWrapper15x.HighsSolution sol
HighsWrapper15x.HighsBasis bas
HighsWrapper15x.HighsModelStatus modelstatus
Returns
Type Description
HighsWrapper15x.HighsStatus

changeCoeff(Int32, Int32, Double)

Declaration
public HighsWrapper15x.HighsStatus changeCoeff(int row, int col, double value)
Parameters
Type Name Description
System.Int32 row
System.Int32 col
System.Double value
Returns
Type Description
HighsWrapper15x.HighsStatus

changeColBounds(Int32, Double, Double)

Declaration
public HighsWrapper15x.HighsStatus changeColBounds(int col, double lower, double upper)
Parameters
Type Name Description
System.Int32 col
System.Double lower
System.Double upper
Returns
Type Description
HighsWrapper15x.HighsStatus

changeColCost(Int32, Double)

Declaration
public HighsWrapper15x.HighsStatus changeColCost(int col, double cost)
Parameters
Type Name Description
System.Int32 col
System.Double cost
Returns
Type Description
HighsWrapper15x.HighsStatus

changeColsBoundsByMask(Boolean[], Double[], Double[])

Declaration
public HighsWrapper15x.HighsStatus changeColsBoundsByMask(bool[] mask, double[] lower, double[] upper)
Parameters
Type Name Description
System.Boolean[] mask
System.Double[] lower
System.Double[] upper
Returns
Type Description
HighsWrapper15x.HighsStatus

changeColsBoundsByRange(Int32, Int32, Double[], Double[])

Declaration
public HighsWrapper15x.HighsStatus changeColsBoundsByRange(int from, int to, double[] lower, double[] upper)
Parameters
Type Name Description
System.Int32 from
System.Int32 to
System.Double[] lower
System.Double[] upper
Returns
Type Description
HighsWrapper15x.HighsStatus

changeColsBoundsBySet(Int32[], Double[], Double[])

Declaration
public HighsWrapper15x.HighsStatus changeColsBoundsBySet(int[] cols, double[] lower, double[] upper)
Parameters
Type Name Description
System.Int32[] cols
System.Double[] lower
System.Double[] upper
Returns
Type Description
HighsWrapper15x.HighsStatus

changeColsCostByMask(Boolean[], Double[])

Declaration
public HighsWrapper15x.HighsStatus changeColsCostByMask(bool[] mask, double[] cost)
Parameters
Type Name Description
System.Boolean[] mask
System.Double[] cost
Returns
Type Description
HighsWrapper15x.HighsStatus

changeColsCostBySet(Int32[], Double[])

Declaration
public HighsWrapper15x.HighsStatus changeColsCostBySet(int[] cols, double[] costs)
Parameters
Type Name Description
System.Int32[] cols
System.Double[] costs
Returns
Type Description
HighsWrapper15x.HighsStatus

changeColsIntegralityByRange(Int32, Int32, HighsWrapper15x.HighsIntegrality[])

Declaration
public HighsWrapper15x.HighsStatus changeColsIntegralityByRange(int from_col, int to_col, HighsWrapper15x.HighsIntegrality[] integrality)
Parameters
Type Name Description
System.Int32 from_col
System.Int32 to_col
HighsWrapper15x.HighsIntegrality[] integrality
Returns
Type Description
HighsWrapper15x.HighsStatus

changeObjectiveSense(HighsWrapper15x.HighsObjectiveSense)

Declaration
public HighsWrapper15x.HighsStatus changeObjectiveSense(HighsWrapper15x.HighsObjectiveSense sense)
Parameters
Type Name Description
HighsWrapper15x.HighsObjectiveSense sense
Returns
Type Description
HighsWrapper15x.HighsStatus

changeRowBounds(Int32, Double, Double)

Declaration
public HighsWrapper15x.HighsStatus changeRowBounds(int row, double lower, double upper)
Parameters
Type Name Description
System.Int32 row
System.Double lower
System.Double upper
Returns
Type Description
HighsWrapper15x.HighsStatus

changeRowsBoundsByMask(Boolean[], Double[], Double[])

Declaration
public HighsWrapper15x.HighsStatus changeRowsBoundsByMask(bool[] mask, double[] lower, double[] upper)
Parameters
Type Name Description
System.Boolean[] mask
System.Double[] lower
System.Double[] upper
Returns
Type Description
HighsWrapper15x.HighsStatus

changeRowsBoundsBySet(Int32[], Double[], Double[])

Declaration
public HighsWrapper15x.HighsStatus changeRowsBoundsBySet(int[] rows, double[] lower, double[] upper)
Parameters
Type Name Description
System.Int32[] rows
System.Double[] lower
System.Double[] upper
Returns
Type Description
HighsWrapper15x.HighsStatus

clearModel()

Declaration
public HighsWrapper15x.HighsStatus clearModel()
Returns
Type Description
HighsWrapper15x.HighsStatus

clearSolver()

Declaration
public HighsWrapper15x.HighsStatus clearSolver()
Returns
Type Description
HighsWrapper15x.HighsStatus

deleteColsByMask(Boolean[])

Declaration
public HighsWrapper15x.HighsStatus deleteColsByMask(bool[] mask)
Parameters
Type Name Description
System.Boolean[] mask
Returns
Type Description
HighsWrapper15x.HighsStatus

deleteColsByRange(Int32, Int32)

Declaration
public HighsWrapper15x.HighsStatus deleteColsByRange(int from, int to)
Parameters
Type Name Description
System.Int32 from
System.Int32 to
Returns
Type Description
HighsWrapper15x.HighsStatus

deleteColsBySet(Int32[])

Declaration
public HighsWrapper15x.HighsStatus deleteColsBySet(int[] cols)
Parameters
Type Name Description
System.Int32[] cols
Returns
Type Description
HighsWrapper15x.HighsStatus

deleteRowsByMask(Boolean[])

Declaration
public HighsWrapper15x.HighsStatus deleteRowsByMask(bool[] mask)
Parameters
Type Name Description
System.Boolean[] mask
Returns
Type Description
HighsWrapper15x.HighsStatus

deleteRowsByRange(Int32, Int32)

Declaration
public HighsWrapper15x.HighsStatus deleteRowsByRange(int from, int to)
Parameters
Type Name Description
System.Int32 from
System.Int32 to
Returns
Type Description
HighsWrapper15x.HighsStatus

deleteRowsBySet(Int32[])

Declaration
public HighsWrapper15x.HighsStatus deleteRowsBySet(int[] rows)
Parameters
Type Name Description
System.Int32[] rows
Returns
Type Description
HighsWrapper15x.HighsStatus

Dispose()

Declaration
public void Dispose()
Implements
System.IDisposable.Dispose()

Dispose(Boolean)

Declaration
protected virtual void Dispose(bool disposing)
Parameters
Type Name Description
System.Boolean disposing

Finalize()

Declaration
protected void Finalize()

getBasicVariables(ref Int32[])

Declaration
public HighsWrapper15x.HighsStatus getBasicVariables(ref int[] basic_variables)
Parameters
Type Name Description
System.Int32[] basic_variables
Returns
Type Description
HighsWrapper15x.HighsStatus

getBasis()

Declaration
public HighsWrapper15x.HighsBasis getBasis()
Returns
Type Description
HighsWrapper15x.HighsBasis

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

Declaration
public HighsWrapper15x.HighsStatus getBasisInverseCol(int col, double[] col_vector, ref int col_num_nz, int[] col_indices)
Parameters
Type Name Description
System.Int32 col
System.Double[] col_vector
System.Int32 col_num_nz
System.Int32[] col_indices
Returns
Type Description
HighsWrapper15x.HighsStatus

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

Declaration
public HighsWrapper15x.HighsStatus getBasisInverseRow(int row, double[] row_vector, ref int row_num_nz, int[] row_indices)
Parameters
Type Name Description
System.Int32 row
System.Double[] row_vector
System.Int32 row_num_nz
System.Int32[] row_indices
Returns
Type Description
HighsWrapper15x.HighsStatus

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

Declaration
public HighsWrapper15x.HighsStatus getBasisSolve(double[] rhs, double[] solution_vector, ref int solution_num_nz, int[] solution_indices)
Parameters
Type Name Description
System.Double[] rhs
System.Double[] solution_vector
System.Int32 solution_num_nz
System.Int32[] solution_indices
Returns
Type Description
HighsWrapper15x.HighsStatus

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

Declaration
public HighsWrapper15x.HighsStatus getBasisTransposeSolve(double[] rhs, double[] solution_vector, ref int solution_num_nz, int[] solution_indices)
Parameters
Type Name Description
System.Double[] rhs
System.Double[] solution_vector
System.Int32 solution_num_nz
System.Int32[] solution_indices
Returns
Type Description
HighsWrapper15x.HighsStatus

getBoolOptionValue(String, out Int32)

Declaration
public HighsWrapper15x.HighsStatus getBoolOptionValue(string option, out int value)
Parameters
Type Name Description
System.String option
System.Int32 value
Returns
Type Description
HighsWrapper15x.HighsStatus

getDoubleOptionValue(String, out Double)

Declaration
public HighsWrapper15x.HighsStatus getDoubleOptionValue(string option, out double value)
Parameters
Type Name Description
System.String option
System.Double value
Returns
Type Description
HighsWrapper15x.HighsStatus

getInfinity()

Declaration
public double getInfinity()
Returns
Type Description
System.Double

getInfo()

Gets the current solution info.

Declaration
public HighsWrapper15x.SolutionInfo getInfo()
Returns
Type Description
HighsWrapper15x.SolutionInfo

The HighsWrapper15x.SolutionInfo.

getIntOptionValue(String, out Int32)

Declaration
public HighsWrapper15x.HighsStatus getIntOptionValue(string option, out int value)
Parameters
Type Name Description
System.String option
System.Int32 value
Returns
Type Description
HighsWrapper15x.HighsStatus

getIterationCount()

Declaration
public int getIterationCount()
Returns
Type Description
System.Int32

GetModelStatus()

Declaration
public HighsWrapper15x.HighsModelStatus GetModelStatus()
Returns
Type Description
HighsWrapper15x.HighsModelStatus

getNumCol()

Declaration
public int getNumCol()
Returns
Type Description
System.Int32

getNumNz()

Declaration
public int getNumNz()
Returns
Type Description
System.Int32

getNumRow()

Declaration
public int getNumRow()
Returns
Type Description
System.Int32

getObjectiveValue()

Declaration
public double getObjectiveValue()
Returns
Type Description
System.Double

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

Declaration
public HighsWrapper15x.HighsStatus getReducedColumn(int col, double[] col_vector, ref int col_num_nz, int[] col_indices)
Parameters
Type Name Description
System.Int32 col
System.Double[] col_vector
System.Int32 col_num_nz
System.Int32[] col_indices
Returns
Type Description
HighsWrapper15x.HighsStatus

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

Declaration
public HighsWrapper15x.HighsStatus getReducedRow(int row, double[] row_vector, ref int row_num_nz, int[] row_indices)
Parameters
Type Name Description
System.Int32 row
System.Double[] row_vector
System.Int32 row_num_nz
System.Int32[] row_indices
Returns
Type Description
HighsWrapper15x.HighsStatus

getSolution()

Declaration
public HighsWrapper15x.HighsSolution getSolution()
Returns
Type Description
HighsWrapper15x.HighsSolution

getStringOptionValue(String, out String)

Declaration
public HighsWrapper15x.HighsStatus getStringOptionValue(string option, out string value)
Parameters
Type Name Description
System.String option
System.String value
Returns
Type Description
HighsWrapper15x.HighsStatus

passColName(Int32, String)

Declaration
public HighsWrapper15x.HighsStatus passColName(int col, string name)
Parameters
Type Name Description
System.Int32 col
System.String name
Returns
Type Description
HighsWrapper15x.HighsStatus

passLp(HighsWrapper15x.HighsModel)

Declaration
public HighsWrapper15x.HighsStatus passLp(HighsWrapper15x.HighsModel model)
Parameters
Type Name Description
HighsWrapper15x.HighsModel model
Returns
Type Description
HighsWrapper15x.HighsStatus

passMip(HighsWrapper15x.HighsModel)

Declaration
public HighsWrapper15x.HighsStatus passMip(HighsWrapper15x.HighsModel model)
Parameters
Type Name Description
HighsWrapper15x.HighsModel model
Returns
Type Description
HighsWrapper15x.HighsStatus

passRowName(Int32, String)

Declaration
public HighsWrapper15x.HighsStatus passRowName(int row, string name)
Parameters
Type Name Description
System.Int32 row
System.String name
Returns
Type Description
HighsWrapper15x.HighsStatus

readModel(String)

Declaration
public HighsWrapper15x.HighsStatus readModel(string filename)
Parameters
Type Name Description
System.String filename
Returns
Type Description
HighsWrapper15x.HighsStatus

run()

Declaration
public HighsWrapper15x.HighsStatus run()
Returns
Type Description
HighsWrapper15x.HighsStatus

setBoolOptionValue(String, Int32)

Declaration
public HighsWrapper15x.HighsStatus setBoolOptionValue(string option, int value)
Parameters
Type Name Description
System.String option
System.Int32 value
Returns
Type Description
HighsWrapper15x.HighsStatus

setDoubleOptionValue(String, Double)

Declaration
public HighsWrapper15x.HighsStatus setDoubleOptionValue(string option, double value)
Parameters
Type Name Description
System.String option
System.Double value
Returns
Type Description
HighsWrapper15x.HighsStatus

setIntOptionValue(String, Int32)

Declaration
public HighsWrapper15x.HighsStatus setIntOptionValue(string option, int value)
Parameters
Type Name Description
System.String option
System.Int32 value
Returns
Type Description
HighsWrapper15x.HighsStatus

setOptionValue(String, String)

Declaration
public HighsWrapper15x.HighsStatus setOptionValue(string option, string value)
Parameters
Type Name Description
System.String option
System.String value
Returns
Type Description
HighsWrapper15x.HighsStatus

setSolution(HighsWrapper15x.HighsSolution)

Declaration
public HighsWrapper15x.HighsStatus setSolution(HighsWrapper15x.HighsSolution solution)
Parameters
Type Name Description
HighsWrapper15x.HighsSolution solution
Returns
Type Description
HighsWrapper15x.HighsStatus

setStringOptionValue(String, String)

Declaration
public HighsWrapper15x.HighsStatus setStringOptionValue(string option, string value)
Parameters
Type Name Description
System.String option
System.String value
Returns
Type Description
HighsWrapper15x.HighsStatus

writeModel(String)

Declaration
public HighsWrapper15x.HighsStatus writeModel(string filename)
Parameters
Type Name Description
System.String filename
Returns
Type Description
HighsWrapper15x.HighsStatus

writeOptions(String)

Declaration
public HighsWrapper15x.HighsStatus writeOptions(string filename)
Parameters
Type Name Description
System.String filename
Returns
Type Description
HighsWrapper15x.HighsStatus

writeOptionsDeviations(String)

Declaration
public HighsWrapper15x.HighsStatus writeOptionsDeviations(string filename)
Parameters
Type Name Description
System.String filename
Returns
Type Description
HighsWrapper15x.HighsStatus

writeSolutionPretty(String)

Declaration
public HighsWrapper15x.HighsStatus writeSolutionPretty(string filename)
Parameters
Type Name Description
System.String filename
Returns
Type Description
HighsWrapper15x.HighsStatus

Extension Methods