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114 lines
3.6 KiB
114 lines
3.6 KiB
//==============================================================================
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//
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// Copyright (c) 2002-
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// Authors:
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// * Dave Parker <david.parker@comlab.ox.ac.uk> (University of Oxford, formerly University of Birmingham)
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//
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//------------------------------------------------------------------------------
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//
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// This file is part of PRISM.
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//
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// PRISM is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// PRISM is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with PRISM; if not, write to the Free Software Foundation,
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// Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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//==============================================================================
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package odd;
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import jdd.*;
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public class ODDUtils
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{
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//------------------------------------------------------------------------------
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// load jni stuff from shared library
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//------------------------------------------------------------------------------
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static
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{
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try {
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System.loadLibrary("odd");
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}
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catch (UnsatisfiedLinkError e) {
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System.out.println(e);
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System.exit(1);
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}
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}
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//------------------------------------------------------------------------------
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// cudd manager
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//------------------------------------------------------------------------------
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// cudd manager
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// jni method to set cudd manager for native code
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private static native void ODD_SetCUDDManager(long ddm);
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public static void setCUDDManager()
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{
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ODD_SetCUDDManager(JDD.GetCUDDManager());
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}
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//------------------------------------------------------------------------------
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// JNI wrappers
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//------------------------------------------------------------------------------
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private static native long ODD_BuildODD(long dd, long vars, int num_vars);
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/**
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* Build an ODD.
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*/
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public static ODDNode BuildODD(JDDNode dd, JDDVars vars)
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{
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return new ODDNode(
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ODD_BuildODD(dd.ptr(), vars.array(), vars.n())
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);
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}
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private static native int ODD_GetNumODDNodes();
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/**
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* Get the number of nodes in the ODD just built.
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*/
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public static int GetNumODDNodes()
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{
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return ODD_GetNumODDNodes();
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}
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public static native int ODD_GetIndexOfFirstFromDD(long dd, long odd, long vars, int num_vars);
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/**
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* Get the index of the first non-zero element of a 0-1 MTBDD, according to an ODD.
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*/
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public static int GetIndexOfFirstFromDD(JDDNode dd, ODDNode odd, JDDVars vars)
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{
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return ODD_GetIndexOfFirstFromDD(dd.ptr(), odd.ptr(), vars.array(), vars.n());
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}
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public static native long ODD_SingleIndexToDD(int i, long odd, long vars, int num_vars);
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/**
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* Convert a state index to a 0-1 MTBDD representing it, according to an ODD.
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*/
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public static JDDNode SingleIndexToDD(int i, ODDNode odd, JDDVars vars)
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{
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return new JDDNode(ODD_SingleIndexToDD(i, odd.ptr(), vars.array(), vars.n()));
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}
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//------------------------------------------------------------------------------
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// ODDNode methods
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//------------------------------------------------------------------------------
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public static native long ODD_GetTOff(long odd);
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public static native long ODD_GetEOff(long odd);
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public static native long ODD_GetThen(long odd);
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public static native long ODD_GetElse(long odd);
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}
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//------------------------------------------------------------------------------
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