/* Copyright (c) AT&T Corp. All rights reserved. This software may only be used by you under license from AT&T Corp. ("AT&T"). A copy of AT&T's Source Code Agreement is available at AT&T's Internet website having the URL http://www.research.att.com/sw/tools/graphviz/license/ If you received this software without first entering into a license with AT&T, you have an infringing copy of this software and cannot use it without violating AT&T's intellectual property rights. */ void InvalidateMVal(DDModel::Node *n, UpDown dir); bool MValExists(DDModel::Node *n, UpDown dir); double MVal(DDModel::Node *n, UpDown dir); void SetMVal(DDModel::Node *n, double val, UpDown dir); void InvalidateAdjMVals(DDModel::Node *n);