Class HighsWrapper14x.HighsLpSolver

Inheritance
System.Object
HighsWrapper14x.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.Highs14x
Assembly: Optimization.Solver.Highs14x.dll
Syntax
public class HighsLpSolver : IDisposable

Constructors

HighsLpSolver()

Declaration
public HighsLpSolver()

Methods

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

Declaration
public HighsWrapper14x.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
HighsWrapper14x.HighsStatus

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

Declaration
public HighsWrapper14x.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
HighsWrapper14x.HighsStatus

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

Declaration
public HighsWrapper14x.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
HighsWrapper14x.HighsStatus

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

Declaration
public HighsWrapper14x.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
HighsWrapper14x.HighsStatus

call(HighsWrapper14x.HighsModel, ref HighsWrapper14x.HighsSolution, ref HighsWrapper14x.HighsBasis, ref HighsWrapper14x.HighsModelStatus)

Declaration
public static HighsWrapper14x.HighsStatus call(HighsWrapper14x.HighsModel model, ref HighsWrapper14x.HighsSolution sol, ref HighsWrapper14x.HighsBasis bas, ref HighsWrapper14x.HighsModelStatus modelstatus)
Parameters
Type Name Description
HighsWrapper14x.HighsModel model
HighsWrapper14x.HighsSolution sol
HighsWrapper14x.HighsBasis bas
HighsWrapper14x.HighsModelStatus modelstatus
Returns
Type Description
HighsWrapper14x.HighsStatus

changeColBounds(Int32, Double, Double)

Declaration
public HighsWrapper14x.HighsStatus changeColBounds(int col, double lower, double upper)
Parameters
Type Name Description
System.Int32 col
System.Double lower
System.Double upper
Returns
Type Description
HighsWrapper14x.HighsStatus

changeColCost(Int32, Double)

Declaration
public HighsWrapper14x.HighsStatus changeColCost(int col, double cost)
Parameters
Type Name Description
System.Int32 col
System.Double cost
Returns
Type Description
HighsWrapper14x.HighsStatus

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

Declaration
public HighsWrapper14x.HighsStatus changeColsBoundsByMask(bool[] mask, double[] lower, double[] upper)
Parameters
Type Name Description
System.Boolean[] mask
System.Double[] lower
System.Double[] upper
Returns
Type Description
HighsWrapper14x.HighsStatus

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

Declaration
public HighsWrapper14x.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
HighsWrapper14x.HighsStatus

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

Declaration
public HighsWrapper14x.HighsStatus changeColsBoundsBySet(int[] cols, double[] lower, double[] upper)
Parameters
Type Name Description
System.Int32[] cols
System.Double[] lower
System.Double[] upper
Returns
Type Description
HighsWrapper14x.HighsStatus

changeColsCostByMask(Boolean[], Double[])

Declaration
public HighsWrapper14x.HighsStatus changeColsCostByMask(bool[] mask, double[] cost)
Parameters
Type Name Description
System.Boolean[] mask
System.Double[] cost
Returns
Type Description
HighsWrapper14x.HighsStatus

changeColsCostBySet(Int32[], Double[])

Declaration
public HighsWrapper14x.HighsStatus changeColsCostBySet(int[] cols, double[] costs)
Parameters
Type Name Description
System.Int32[] cols
System.Double[] costs
Returns
Type Description
HighsWrapper14x.HighsStatus

changeObjectiveSense(HighsWrapper14x.HighsObjectiveSense)

Declaration
public HighsWrapper14x.HighsStatus changeObjectiveSense(HighsWrapper14x.HighsObjectiveSense sense)
Parameters
Type Name Description
HighsWrapper14x.HighsObjectiveSense sense
Returns
Type Description
HighsWrapper14x.HighsStatus

changeRowBounds(Int32, Double, Double)

Declaration
public HighsWrapper14x.HighsStatus changeRowBounds(int row, double lower, double upper)
Parameters
Type Name Description
System.Int32 row
System.Double lower
System.Double upper
Returns
Type Description
HighsWrapper14x.HighsStatus

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

Declaration
public HighsWrapper14x.HighsStatus changeRowsBoundsByMask(bool[] mask, double[] lower, double[] upper)
Parameters
Type Name Description
System.Boolean[] mask
System.Double[] lower
System.Double[] upper
Returns
Type Description
HighsWrapper14x.HighsStatus

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

Declaration
public HighsWrapper14x.HighsStatus changeRowsBoundsBySet(int[] rows, double[] lower, double[] upper)
Parameters
Type Name Description
System.Int32[] rows
System.Double[] lower
System.Double[] upper
Returns
Type Description
HighsWrapper14x.HighsStatus

deleteColsByMask(Boolean[])

Declaration
public HighsWrapper14x.HighsStatus deleteColsByMask(bool[] mask)
Parameters
Type Name Description
System.Boolean[] mask
Returns
Type Description
HighsWrapper14x.HighsStatus

deleteColsByRange(Int32, Int32)

Declaration
public HighsWrapper14x.HighsStatus deleteColsByRange(int from, int to)
Parameters
Type Name Description
System.Int32 from
System.Int32 to
Returns
Type Description
HighsWrapper14x.HighsStatus

deleteColsBySet(Int32[])

Declaration
public HighsWrapper14x.HighsStatus deleteColsBySet(int[] cols)
Parameters
Type Name Description
System.Int32[] cols
Returns
Type Description
HighsWrapper14x.HighsStatus

deleteRowsByMask(Boolean[])

Declaration
public HighsWrapper14x.HighsStatus deleteRowsByMask(bool[] mask)
Parameters
Type Name Description
System.Boolean[] mask
Returns
Type Description
HighsWrapper14x.HighsStatus

deleteRowsByRange(Int32, Int32)

Declaration
public HighsWrapper14x.HighsStatus deleteRowsByRange(int from, int to)
Parameters
Type Name Description
System.Int32 from
System.Int32 to
Returns
Type Description
HighsWrapper14x.HighsStatus

deleteRowsBySet(Int32[])

Declaration
public HighsWrapper14x.HighsStatus deleteRowsBySet(int[] rows)
Parameters
Type Name Description
System.Int32[] rows
Returns
Type Description
HighsWrapper14x.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 HighsWrapper14x.HighsStatus getBasicVariables(ref int[] basic_variables)
Parameters
Type Name Description
System.Int32[] basic_variables
Returns
Type Description
HighsWrapper14x.HighsStatus

getBasis()

Declaration
public HighsWrapper14x.HighsBasis getBasis()
Returns
Type Description
HighsWrapper14x.HighsBasis

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

Declaration
public HighsWrapper14x.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
HighsWrapper14x.HighsStatus

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

Declaration
public HighsWrapper14x.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
HighsWrapper14x.HighsStatus

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

Declaration
public HighsWrapper14x.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
HighsWrapper14x.HighsStatus

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

Declaration
public HighsWrapper14x.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
HighsWrapper14x.HighsStatus

getBoolOptionValue(String, out Int32)

Declaration
public HighsWrapper14x.HighsStatus getBoolOptionValue(string option, out int value)
Parameters
Type Name Description
System.String option
System.Int32 value
Returns
Type Description
HighsWrapper14x.HighsStatus

getDoubleOptionValue(String, out Double)

Declaration
public HighsWrapper14x.HighsStatus getDoubleOptionValue(string option, out double value)
Parameters
Type Name Description
System.String option
System.Double value
Returns
Type Description
HighsWrapper14x.HighsStatus

getInfo()

Gets the current solution info.

Declaration
public HighsWrapper14x.SolutionInfo getInfo()
Returns
Type Description
HighsWrapper14x.SolutionInfo

The HighsWrapper14x.SolutionInfo.

getIntOptionValue(String, out Int32)

Declaration
public HighsWrapper14x.HighsStatus getIntOptionValue(string option, out int value)
Parameters
Type Name Description
System.String option
System.Int32 value
Returns
Type Description
HighsWrapper14x.HighsStatus

getIterationCount()

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

GetModelStatus()

Declaration
public HighsWrapper14x.HighsModelStatus GetModelStatus()
Returns
Type Description
HighsWrapper14x.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 HighsWrapper14x.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
HighsWrapper14x.HighsStatus

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

Declaration
public HighsWrapper14x.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
HighsWrapper14x.HighsStatus

getSolution()

Declaration
public HighsWrapper14x.HighsSolution getSolution()
Returns
Type Description
HighsWrapper14x.HighsSolution

getStringOptionValue(String, out String)

Declaration
public HighsWrapper14x.HighsStatus getStringOptionValue(string option, out string value)
Parameters
Type Name Description
System.String option
System.String value
Returns
Type Description
HighsWrapper14x.HighsStatus

passLp(HighsWrapper14x.HighsModel)

Declaration
public HighsWrapper14x.HighsStatus passLp(HighsWrapper14x.HighsModel model)
Parameters
Type Name Description
HighsWrapper14x.HighsModel model
Returns
Type Description
HighsWrapper14x.HighsStatus

passMip(HighsWrapper14x.HighsModel)

Declaration
public HighsWrapper14x.HighsStatus passMip(HighsWrapper14x.HighsModel model)
Parameters
Type Name Description
HighsWrapper14x.HighsModel model
Returns
Type Description
HighsWrapper14x.HighsStatus

readModel(String)

Declaration
public HighsWrapper14x.HighsStatus readModel(string filename)
Parameters
Type Name Description
System.String filename
Returns
Type Description
HighsWrapper14x.HighsStatus

run()

Declaration
public HighsWrapper14x.HighsStatus run()
Returns
Type Description
HighsWrapper14x.HighsStatus

setBoolOptionValue(String, Int32)

Declaration
public HighsWrapper14x.HighsStatus setBoolOptionValue(string option, int value)
Parameters
Type Name Description
System.String option
System.Int32 value
Returns
Type Description
HighsWrapper14x.HighsStatus

setDoubleOptionValue(String, Double)

Declaration
public HighsWrapper14x.HighsStatus setDoubleOptionValue(string option, double value)
Parameters
Type Name Description
System.String option
System.Double value
Returns
Type Description
HighsWrapper14x.HighsStatus

setIntOptionValue(String, Int32)

Declaration
public HighsWrapper14x.HighsStatus setIntOptionValue(string option, int value)
Parameters
Type Name Description
System.String option
System.Int32 value
Returns
Type Description
HighsWrapper14x.HighsStatus

setOptionValue(String, String)

Declaration
public HighsWrapper14x.HighsStatus setOptionValue(string option, string value)
Parameters
Type Name Description
System.String option
System.String value
Returns
Type Description
HighsWrapper14x.HighsStatus

setSolution(HighsWrapper14x.HighsSolution)

Declaration
public HighsWrapper14x.HighsStatus setSolution(HighsWrapper14x.HighsSolution solution)
Parameters
Type Name Description
HighsWrapper14x.HighsSolution solution
Returns
Type Description
HighsWrapper14x.HighsStatus

setStringOptionValue(String, String)

Declaration
public HighsWrapper14x.HighsStatus setStringOptionValue(string option, string value)
Parameters
Type Name Description
System.String option
System.String value
Returns
Type Description
HighsWrapper14x.HighsStatus

writeModel(String)

Declaration
public HighsWrapper14x.HighsStatus writeModel(string filename)
Parameters
Type Name Description
System.String filename
Returns
Type Description
HighsWrapper14x.HighsStatus

Extension Methods