/**
* Sets the summands on the left side of the constraint.
* The old summands are NOT deleted.
*
* @param summands a BList containing the Summand objects that make up the new left side
*/
void
Constraint::SetLeftSide(SummandList* summands)
{
if (!fIsValid)
return;
// check left side
for (int32 i = 0; i < summands->CountItems(); i++) {
Summand* summand = summands->ItemAt(i);
for (int32 a = i + 1; a < summands->CountItems(); a++) {
Summand* nextSummand = summands->ItemAt(a);
if (summand->Var() == nextSummand->Var()) {
summand->SetCoeff(summand->Coeff() + nextSummand->Coeff());
summands->RemoveItem(nextSummand);
delete nextSummand;
a--;
}
}
}
fLeftSide = summands;
fLS->UpdateLeftSide(this);
}
