Examples of ptolemy.data.FixToken

ptolemy.data.FixToken
A token that contains an instance of FixPoint. @author Bart Kienhuis, Edward A. Lee, Steve Neuendorffer Ed Willink @see ptolemy.data.Token @see ptolemy.math.FixPoint @see ptolemy.math.FixPointQuantization @see ptolemy.math.Precision @see ptolemy.math.Quantization @version $Id: FixToken.java,v 1.90 2006/10/07 20:49:19 cxh Exp $ @since Ptolemy II 0.4 @Pt.ProposedRating Yellow (kienhuis) @Pt.AcceptedRating Yellow (kienhuis)

                    || !dataIn.hasToken(0)) {
                return;
            }


            // Consume tokens from all input ports.
            FixToken in = ((FixToken) dataIn.get(0));


            FixToken addressToken = (FixToken) address.get(0);
            FixPoint addressFixValue = addressToken.fixValue();


            FixToken writeEnableToken = (FixToken) writeEnable.get(0);
            FixPoint writeEnableValue = writeEnableToken.fixValue();


            _checkFixTokenWidth(writeEnableToken, 1);
            _checkFixTokenWidth(addressToken, _addressWidth);
            _checkFixTokenWidth(in, _dataWidth);

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                        .isKnown()))) {


            _currentCount = _previousCount;


            if (enable.getContainer() != null && enable.hasToken(0)) {
                FixToken enableToken = (FixToken) enable.get(0);


                _checkFixTokenWidth(enableToken, 1);


                boolean enableValue = enableToken.fixValue().toBitString()
                        .equals("1");


                if (enableValue) {
                    _currentCount++;
                }
            } else if (enable.getContainer() == null) {
                _currentCount++;
            }


            if (reset.hasToken(0)) {
                FixToken resetToken = (FixToken) reset.get(0);


                _checkFixTokenWidth(resetToken, 1);


                boolean resetValue = resetToken.fixValue().toBitString()
                        .equals("1");


                if (resetValue) {
                    _currentCount = 0;
                }
            }


            // Produce an output if we consumed an input.
            FixPoint result = new FixPoint(_currentCount);
            Token outputToken = new FixToken(result);
            sendOutput(output, 0, outputToken);


        } else {


            ((QueuedTypedIOPort) output).resend(0);

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            FixPoint valueA = ((FixToken) A.get(0)).fixValue();
            bitsInResult = valueA.getPrecision().getNumberOfBits();
            BigInteger bigIntA = valueA.getUnscaledValue();
            intResult = bigIntA.not();
            Precision precision = new Precision(1, bitsInResult, 0);
            FixToken result = new FixToken(intResult.doubleValue(), precision);
            sendOutput(output, 0, result);
        } else {
            output.resend(0);
        }
    }

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        FixPoint result = new FixPoint(((ScalarToken) value.getToken())
                .doubleValue(), new FixPointQuantization(precision, overflow,
                rounding));


        sendOutput(output, 0, new FixToken(result));
    }

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     *  DoubleToken to the output port.
     * @exception IllegalActionException If there is no director.
     */
    public void fire() throws IllegalActionException {
        super.fire();
        FixToken in = (FixToken) input.get(0);
        FixPoint value = in.fixValue();
        output.send(0, new DoubleToken(value.doubleValue()));
    }

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        } else if (result instanceof Boolean) {
            resultToken = new BooleanToken(((Boolean) result).booleanValue());
        } else if (result instanceof Complex) {
            resultToken = new ComplexToken((Complex) result);
        } else if (result instanceof FixPoint) {
            resultToken = new FixToken((FixPoint) result);
        } else {
            throw new IllegalActionException(this, "Result of method call "
                    + port.getName() + " is not a supported type: boolean, "
                    + "complex, fixpoint, double, int, long  and String, "
                    + "or a Token.");

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     */
    public void fire() throws IllegalActionException {
        super.fire();
        DoubleToken in = (DoubleToken) input.get(0);
        FixPoint fixValue = new FixPoint(in.doubleValue(), _quantization);
        FixToken result = new FixToken(fixValue);
        output.send(0, result);
    }

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     *  and rounding strategy given by the <i>rounding</i> parameter.
     *  @exception IllegalActionException If there is no director.
     */
    public void fire() throws IllegalActionException {
        super.fire();
        FixToken in = (FixToken) input.get(0);
        FixPoint fixValue = in.fixValue().quantize(_quantization);
        FixToken result = new FixToken(fixValue);
        output.send(0, result);
    }

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                            .getExpression().toLowerCase());


            FixPoint result = new FixPoint(((ScalarToken) initialValue
                    .getToken()).doubleValue(), new FixPointQuantization(
                    precision, overflow, rounding));
            output.setInitToken(new FixToken(result));
        }
        if (attribute == initialValue) {
            Precision precision = new Precision(
                    ((Parameter) getAttribute("outputPrecision"))
                            .getExpression());


            Overflow overflow = Overflow
                    .getName(((Parameter) getAttribute("outputOverflow"))
                            .getExpression().toLowerCase());


            Rounding rounding = Rounding
                    .getName(((Parameter) getAttribute("outputRounding"))
                            .getExpression().toLowerCase());


            FixPoint result = new FixPoint(((ScalarToken) initialValue
                    .getToken()).doubleValue(), new FixPointQuantization(
                    precision, overflow, rounding));
            output.setInitToken(new FixToken(result));
        }
    }

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        FixPoint result = new FixPoint(((ScalarToken) initialValue.getToken())
                .doubleValue(), new FixPointQuantization(precision, overflow,
                rounding));
        int latencyValue = ((ScalarToken) latency.getToken()).intValue();
        output.setSize(latencyValue, new FixToken(result));
    }

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ptolemy.actor.lib.conversions.FixToDouble

ptolemy.actor.lib.conversions.FixToFix

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ptolemy.actor.lib.vhdl.Concat

ptolemy.actor.lib.vhdl.FixComparator

ptolemy.actor.lib.vhdl.FixConst

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ptolemy.actor.lib.vhdl.FixSequence

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