/** A lattice node representing SystemC double type. Copyright (c) 2009 The Regents of the University of California. All rights reserved. Permission is hereby granted, without written agreement and without license or royalty fees, to use, copy, modify, and distribute this software and its documentation for any purpose, provided that the above copyright notice and the following two paragraphs appear in all copies of this software. IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. PT_COPYRIGHT_VERSION_2 COPYRIGHTENDKEY */ package ptolemy.data.properties.lattice.typeSystem_C; import ptolemy.data.DoubleToken; import ptolemy.data.ScalarToken; import ptolemy.data.Token; import ptolemy.data.properties.lattice.LatticeProperty; import ptolemy.data.properties.lattice.PropertyLattice; import ptolemy.data.properties.lattice.TypeProperty; import ptolemy.kernel.util.IllegalActionException; ////////////////////////////////////////////////////////////////////////// //// Double /** A lattice node representing SystemC double type. @author Thomas Mandl, Man-Kit Leung, Edward A. Lee @version $Id$ @since Ptolemy II 7.1 @Pt.ProposedRating Red (cxh) @Pt.AcceptedRating Red (cxh) */ public class Double extends LatticeProperty implements TypeProperty { /** Construct a node named "Double" in the lattice. * @param lattice The lattice in which the node is to be constructed. */ public Double(PropertyLattice lattice) { super(lattice, "Double"); } /** Maximum value of a double in System C. * Note that this may or may not have the value equal * to that of java.lang.Double.MAX_VALUE. * @return The maximum value of a double in System C. */ public Token getMaxValue() { return new DoubleToken(1.7976931348623157E308); } /** Minimum value of a double in System C. * Note that this may or may not have the value equal * to that of java.lang.Double.MIN_VALUE. * @return The minimum value of a double in System C. */ public Token getMinValue() { return new DoubleToken(2.2250738585072016E-308); } /** Return true if this element has minimum and maximum values. * @return Always return true. */ public boolean hasMinMaxValue() { return true; } // public boolean isInRange(Token token) throws IllegalActionException { // // FIXME: Findbugs: Unchecked/unconfirmed cast. // // The problem here is that token might not be a ScalarToken. // // Is this method used? Perhaps it can be removed. // if ((((ScalarToken) token).doubleValue() < ((ScalarToken) getMinValue()) // .doubleValue()) // || (((ScalarToken) token).doubleValue() > ((ScalarToken) getMaxValue()) // .doubleValue())) { // return false; // } else { // return true; // } // } }