C++ (Cpp) Term::IsZero示例

bool Scalar::CollectTerms( SumOfTerms& sumOfTerms )
{
	SumOfTerms::Node* node = sumOfTerms.Head();
	while( node )
	{
		Term* term = node->data;

		term->CombineFactors();
		term->productOfFactors.Sort( Term::ProductOfFactors::SORT_ASCENDING );

		node = node->Next();
	}

	SumOfTerms::Node* nodeA = sumOfTerms.Head();
	while( nodeA )
	{
		Term* termA = nodeA->data;

		SumOfTerms::Node* nodeB = nodeA->Next();
		while( nodeB )
		{
			Term* termB = nodeB->data;

			SumOfTerms::Node* nextNodeB = nodeB->Next();

			if( termA->CombineWith( termB, false, false ) )
				sumOfTerms.Remove( nodeB );

			nodeB = nextNodeB;
		}
	}

	nodeA = sumOfTerms.Head();
	while( nodeA )
	{
		Term* termA = nodeA->data;

		SumOfTerms::Node* nextNodeA = nodeA->Next();

		if( termA->IsZero() )
			sumOfTerms.Remove( nodeA );

		nodeA = nextNodeA;
	}

	return true;
}

示例#2

显示文件

文件： Scalar.cpp 项目： mapleyustat/GACompute

bool Scalar::Scale( double number )
{
	if( IsZero() )
		return true;

	for( SumOfTerms::Node* node = sumOfTermsNumerator.Head(); node; node = node->Next() )
	{
		Term* term = node->data;
		if( term->IsZero() )
			continue;

		NumericalFactor* numericalFactor = ( NumericalFactor* )term->FindTermOfFactorType( Factor::NUMERICAL );
		if( !numericalFactor )
		{
			numericalFactor = new NumericalFactor( 1.0 );
			term->productOfFactors.InsertBefore()->data = numericalFactor;
		}

		numericalFactor->number *= number;
	}

	return true;
}