Method getPathAlternative

gecode/gist/visualnode.cpp:143–150

  }

  int
  VisualNode::getPathAlternative(const NodeAllocator& na) {
    for (int i=getNumberOfChildren(); i--;) {
      if (getChild(na,i)->isOnPath())
        return i;
    }
    return -1;
  }

  void
  VisualNode::toggleHidden(const NodeAllocator& na) {