public void SetResult(LppResult result)
{
coordinatesDataGrid.Rows.Clear();
coordinatesDataGrid.Columns.Clear();
if (result.Coordinates == null)
{
tfUnlimitedRadio.Select();
return;
}
if (result.Value == null)
{
setIncompatibleRadio.Select();
return;
}
successRadio.Select();
foreach (var variable in result.Coordinates.Keys)
coordinatesDataGrid.Columns.Add(variable, variable);
coordinatesDataGrid.Rows.Add();
var i = 0;
foreach (var variable in result.Coordinates.Keys)
coordinatesDataGrid.Rows[0].Cells[i++].Value = result.Coordinates[variable];
tfValueTextBox.Text = result.Value.ToString();
}
/// <summary>
/// Returs true if result is whole
/// </summary>
protected bool IsWhole(LppResult result, ProblemForGomory problem)
{
foreach (var variable in result.Coordinates)
if (variable.Value.Denominator != 1 && problem.WholeConstraints.Contains(variable.Key))
return false;
return true;
}
/// <summary>
/// Returns true if result of weakened problem solving is result of initial problem solving
/// </summary>
public bool IsEnd(LppResult result, ProblemForGomory problem)
{
return result.Value == null || IsWhole(result, problem);
}
private Fraction GetReplacedVariableValue(string label, LppResult normalizedProblemResult)
{
var positiveLab = Replacements[label].Key;
var negativeLab = Replacements[label].Value;
var positive = new Fraction();
var negative = new Fraction();
if (normalizedProblemResult.Coordinates.Keys.Contains(positiveLab))
positive += normalizedProblemResult.Coordinates[positiveLab];
if (normalizedProblemResult.Coordinates.Keys.Contains(negativeLab))
negative += normalizedProblemResult.Coordinates[negativeLab];
return positive - negative;
}
