private static void WriteAssignment2Solution(string fileName)
{
var reader = new LinearProgramDictionaryReader();
var linearProgram = reader.Read(fileName);
var analyze = new SimpleAnalyzeEnteringLeavingVariables();
var calculator = new HackyPivot2();
var solver = new LinearProgramSolverWeek2(analyze, calculator);
var solution = solver.Solve(linearProgram);
if (solution.SolutionType == LinearProgramSolutionType.Unbounded)
{
const string output = "UNBOUNDED";
File.WriteAllText(fileName + ".output", output);
}
else
{
var output = String.Format("{1}{0}{2}",
Environment.NewLine,
solution.ObjectiveValue,
solution.PivotCount);
File.WriteAllText(fileName + ".output", output);
}
}
private static void WriteAssignment3Solution(string fileName)
{
var reader = new LinearProgramDictionaryReader();
var linearProgram = reader.Read(fileName);
var analyze = new SimpleAnalyzeEnteringLeavingVariables();
var calculator = new HackyPivot2();
var primalToDual = new HackyMapPrimalToDual();
var dualToPrimal = new HackyMapDualToPrimal();
var restore = new SimpleRestoreObjective();
var solver = new LinearProgramSolverWeek3(analyze, calculator, primalToDual, dualToPrimal, restore);
var solution = solver.Solve(linearProgram);
if (solution.SolutionType == LinearProgramSolutionType.Unbounded)
{
const string output = "UNBOUNDED";
File.WriteAllText(fileName + ".output", output);
}
else if (solution.SolutionType == LinearProgramSolutionType.Infeasible)
{
const string output = "INFEASIBLE";
File.WriteAllText(fileName + ".output", output);
}
else
{
var output = String.Format("{0}", solution.ObjectiveValue);
File.WriteAllText(fileName + ".output", output);
}
}
private static void WriteAssignment1Solution(string fileName)
{
var reader = new LinearProgramDictionaryReader();
var linearProgram = reader.Read(fileName);
var analyze = new SimpleAnalyzeEnteringLeavingVariables();
analyze.Analyze(linearProgram);
var calculator = new HackyPivot();
calculator.Pivot(analyze.Entering, analyze.Leaving, linearProgram);
var obj = linearProgram.ObjectiveValue;
if (analyze.Entering != 0 && analyze.Leaving != 0)
{
var output = String.Format("{1}{0}{2}{0}{3}",
Environment.NewLine,
analyze.Entering,
analyze.Leaving,
obj);
File.WriteAllText(fileName + ".output", output);
}
}