Examples of ptolemy.data.IntMatrixToken

ptolemy.data.IntMatrixToken
A token that contains a 2-D int matrix. @author Yuhong Xiong, Jeff Tsay, Steve Neuendorffer @version $Id: IntMatrixToken.java,v 1.117 2007/12/06 21:56:56 cxh Exp $ @since Ptolemy II 0.2 @Pt.ProposedRating Green (neuendor) @Pt.AcceptedRating Yellow (wbwu)

     *  @return The zero matrix with the given number of rows and
     *   columns.
     */
    public static IntMatrixToken zeroMatrixInt(int rows, int columns) {
        int[][] mtr = new int[rows][columns];
        IntMatrixToken result = null;


        try {
            result = new IntMatrixToken(mtr, IntMatrixToken.DO_NOT_COPY);
        } catch (IllegalActionException ex) {
            throw new InternalErrorException("UtilityFunctions.zeroMatrixInt: "
                    + "Cannot create IntMatrixToken. " + ex.getMessage());
        }

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            component.addComponentListener(this);
            _listeningTo = component;
        }


        try {
            IntMatrixToken token = (IntMatrixToken) getToken();


            if (token != null) {
                int width = token.getElementAt(0, 0);
                int height = token.getElementAt(0, 1);


                // NOTE: As usual with swing, it's not obvious what the
                // right way to do this is. The following seems to work,
                // found by trial and error.  Even then, the layout
                // manager feels free to override it.

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            Rectangle location = component.getBounds();
            int[][] locationMatrix = new int[1][2];
            locationMatrix[0][0] = location.x;
            locationMatrix[0][1] = location.y;


            IntMatrixToken token = new IntMatrixToken(locationMatrix);
            setToken(token);
        } catch (IllegalActionException ex) {
            throw new InternalErrorException("Can't set bounds value!");
        }
    }

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     *  @param component The component whose location is to be set.
     *  @return True if successful.
     */
    public boolean setLocation(Window component) {
        try {
            IntMatrixToken token = (IntMatrixToken) getToken();


            if (token != null) {
                int x = token.getElementAt(0, 0);
                int y = token.getElementAt(0, 1);


                // NOTE: As usual with swing, it's not obvious what the
                // right way to do this is. The following seems to work,
                // found by trial and error.  Even then, the layout
                // manager feels free to override it.

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     *  @exception IllegalActionException If the parameter value is invalid.
     */
    public void attributeChanged(Attribute attribute)
            throws IllegalActionException {
        if (attribute == precision) {
            IntMatrixToken token = (IntMatrixToken) precision.getToken();


            if ((token.getRowCount() != 1) || (token.getColumnCount() != 2)) {
                throw new IllegalActionException(this,
                        "Invalid precision (not a 1 by 2 matrix).");
            }


            Precision precision = new Precision(token.getElementAt(0, 0), token
                    .getElementAt(0, 1));
            output.setTypeEquals(new FixType(precision));
            _quantization = _quantization.setPrecision(precision);
        } else if (attribute == rounding) {
            Rounding r = Rounding.getName(rounding.getExpression());

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            ExpertParameter vergilCenter = (ExpertParameter) top
                    .getAttribute("_vergilCenter");


            if (vergilSize != null) {
                try {
                    IntMatrixToken vergilSizeToken;
                    vergilSizeToken = (IntMatrixToken) vergilSize.getToken();


                    if (vergilSizeToken == null) {
                        throw new IllegalActionException(top,
                                "_vergilSize token was null?");
                    }
                    int width = vergilSizeToken.getElementAt(0, 0);
                    int height = vergilSizeToken.getElementAt(0, 1);


                    if (width > 800) {
                        analysis.append(" width(" + width + ") > 800");
                    }

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        output_tokenProductionRate = new Parameter(input, "tokenProductionRate");
        output_tokenProductionRate.setExpression("outrate");


        initialOutputs = new Parameter(this, "initialOutputs",
                new IntMatrixToken(defaultValues));
    }

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     *  @exception IllegalActionException If the parameter value is invalid.
     */
    public void attributeChanged(Attribute attribute)
            throws IllegalActionException {
        if (attribute == precision) {
            IntMatrixToken token = (IntMatrixToken) precision.getToken();


            if ((token.getRowCount() != 1) || (token.getColumnCount() != 2)) {
                throw new IllegalActionException(this,
                        "Invalid precision (not a 1 by 2 matrix).");
            }


            Precision precision = new Precision(token.getElementAt(0, 0), token
                    .getElementAt(0, 1));
            _quantization = _quantization.setPrecision(precision);
            if (_quantization.getOverflow() == Overflow.GROW) {
                output.setTypeEquals(BaseType.UNSIZED_FIX);
            } else {

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ptolemy.actor.gui.SizeAttribute

ptolemy.actor.lib.conversions.DoubleToFix

ptolemy.actor.lib.conversions.FixToFix

ptolemy.copernicus.applet.AppletWriter

ptolemy.data.expr.ASTPtRootNode

ptolemy.data.expr.ConversionUtilities

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ptolemy.data.expr.PtParser

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