Method getChild

gecode/gist/node.hpp:194–203

  Node::isUndetermined(void) const { return getTag() == UNDET; }

  forceinline int
  Node::getChild(int n) const {
    assert(getTag() != UNDET && getTag() != LEAF);
    if (getTag() == TWO_CHILDREN) {
      assert(n != 1 || noOfChildren <= 0);
      return n == 0 ? getFirstChild() : -noOfChildren;
    }
    assert(n < noOfChildren);
    return static_cast<int*>(getPtr())[n];
  }

  forceinline VisualNode*
  Node::getChild(const NodeAllocator& na, int n) const {