public override string ToString()
{
var equationAsString = new StringBuilder();
if (!LeftSide.Any())
{
equationAsString.Append(" 0");
}
else
{
// constant first, then by index asc
var queuedTermsOnLeft = LeftSide.OrderBy(term => term.Variable.HasValue ? (int)term.Variable.Value.Index : -1);
foreach (var term in queuedTermsOnLeft)
{
if (!(term.SignedCoefficient == 0 && term.Variable.HasValue))
{
equationAsString.Append(string.Format(string.Format(" {0}", term)));
}
}
}
switch (SideConnection)
{
case SideConnection.LessThan:
equationAsString.Append(" <");
break;
case SideConnection.LessThanOrEqual:
equationAsString.Append(" <=");
break;
case SideConnection.Equal:
equationAsString.Append(" =");
break;
case SideConnection.GreaterThanOrEqual:
equationAsString.Append(" >=");
break;
case SideConnection.GreaterThan:
equationAsString.Append(" >");
break;
default:
break;
}
if (!RightSide.Any())
{
equationAsString.Append(" 0");
}
else
{
var queuedTermsOnRight = RightSide.OrderBy(term => term.Variable.HasValue ? (int)term.Variable.Value.Index : -1);
foreach (var term in queuedTermsOnRight)
{
if (!(term.SignedCoefficient == 0 && term.Variable.HasValue))
{
equationAsString.Append(string.Format(string.Format(" {0}", term)));
}
}
}
return(equationAsString.ToString().Trim());
}