bool CNormalSum::add(const CNormalSum& sum)
{
std::set<CNormalProduct*, compareProducts>::const_iterator itProduct;
std::set<CNormalProduct*, compareProducts>::const_iterator itProductEnd = sum.getProducts().end();
for (itProduct = sum.getProducts().begin(); itProduct != itProductEnd; ++itProduct)
add(**itProduct);
std::set<CNormalFraction*>::const_iterator itFraction;
std::set<CNormalFraction*>::const_iterator itFractionEnd = sum.getFractions().end();
for (itFraction = sum.getFractions().begin(); itFraction != itFractionEnd; ++itFraction)
add(**itFraction);
return true;
}
/**
* Multiply this product with a sum NOT CONTAINING FRACTIONS!.
* @return sum.
*/
CNormalSum* CNormalProduct::multiply(const CNormalSum& sum)
{
if (fabs(mFactor) < 1.0E-100)
{
CNormalSum* zeroSum = new CNormalSum();
zeroSum->add(*this);
return zeroSum;
}
CNormalSum* tmp = new CNormalSum(sum);
CNormalSum* newsum = new CNormalSum();
std::set<CNormalProduct*, compareProducts>::const_iterator it;
std::set<CNormalProduct*, compareProducts>::const_iterator itEnd = tmp->getProducts().end();
for (it = tmp->getProducts().begin(); it != itEnd; ++it)
{
(*it)->multiply(*this);
newsum->add(**it);
}
delete tmp;
return newsum;
}
