public override bool Match(HlslTreeNode node)
{
return(node is AddOperation add &&
((_templateMatcher.IsNegative(add.Addend1) && !_templateMatcher.IsNegative(add.Addend2)) ||
(!_templateMatcher.IsNegative(add.Addend1) && _templateMatcher.IsNegative(add.Addend2))));
}