Examples of ptolemy.data.BooleanToken

ptolemy.data.BooleanToken
A token that contains a boolean variable. Arithmetic on booleans is that of a two-element Galois field (modulo two arithmetic). Thus, add() is logical xor, multiply() is logical and, zero() is false, one() is true.
In order to reduce the number of instances of this object that are created, it is highly recommended that the getInstance() method be used, instead of the constructor that takes a boolean argument. @author Neil Smyth, Yuhong Xiong, Edward A. Lee, Steve Neuendorffer, Christopher Brooks @version $Id: BooleanToken.java,v 1.84 2007/12/06 18:19:35 cxh Exp $ @since Ptolemy II 0.2 @Pt.ProposedRating Yellow (cxh) nil token @Pt.AcceptedRating Red (cxh)

            String variableName = (String) absentDiscreteVariables.next();
            if (variablesOfNode.contains(variableName)) {
                // Set the result token to be false token
                // because the variable is discrete and has no value.
                // Note usually the usage is "x_isPresent && x == 1.0"
                _evaluatedChildToken = new BooleanToken(false);
                if (_constructingRelationList) {
                    _relationList.addRelation(RelationType.INVALID, 0.0);
                } else {
                    // Only update _relationIndex but do not change relation node.
                    _relationIndex++;

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        input = new TypedIOPort(this, "input", true, false);
        output = new TypedIOPort(this, "output", false, true);
        input.setTypeEquals(BaseType.GENERAL);
        output.setTypeEquals(BaseType.GENERAL);


        nullDelay = new Parameter(this, "nullDelay", new BooleanToken(true));
        nullDelay.setTypeEquals(BaseType.BOOLEAN);
        realDelay = new Parameter(this, "realDelay", new BooleanToken(false));
        realDelay.setTypeEquals(BaseType.BOOLEAN);
        delay = new Parameter(this, "delay", new DoubleToken(1.0));
        delay.setTypeEquals(BaseType.DOUBLE);
    }

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     *   supported by the derived class.
     *  @return A BooleanToken which contains the result of the test.
     */
    public BooleanToken isEqualTo(Token token) throws IllegalActionException {
        if (token instanceof Scene2DToken) {
            return new BooleanToken(this == token);
        } else {
            throw new IllegalActionException(
                    "Equality test not supported between "
                            + this.getClass().getName() + " and "
                            + token.getClass().getName() + ".");

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            if (integer < -(1 << (rate - 1))) {
                throw new IllegalActionException(this,
                        "integer is out of range.");
            }


            bits[0] = new BooleanToken(true);


            //integer = (int)(2147483648L + integer);
            integer = ((1 << (rate - 1)) + integer);
        } else {
            if (integer > ((1 << (rate - 1)) - 1)) {
                throw new IllegalActionException(this,
                        "integer is out of range.");
            }


            bits[0] = new BooleanToken(false);
        }


        for (int i = rate - 1; i > 0; i--) {
            int remainder = integer % 2;
            integer = integer / 2;


            if (remainder == 0) {
                bits[i] = new BooleanToken(false);
            } else {
                bits[i] = new BooleanToken(true);
            }
        }


        output.send(0, bits, bits.length);
    }

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                    _startTime.getDoubleValue()));
            startTime.setTypeEquals(BaseType.DOUBLE);
            stopTime = new Parameter(this, "stopTime", new DoubleToken(
                    "Infinity"));
            stopTime.setTypeEquals(BaseType.DOUBLE);
            preemptive = new Parameter(this, "preemptive", new BooleanToken(
                    false));


            preemptive.setTypeEquals(BaseType.BOOLEAN);
            defaultTaskExecutionTime = new Parameter(this,
                    "defaultTaskExecutionTime", new DoubleToken(0.0));
            defaultTaskExecutionTime.setTypeEquals(BaseType.DOUBLE);


            synchronizeToRealTime = new Parameter(this,
                    "synchronizeToRealTime", new BooleanToken(false));
            synchronizeToRealTime.setTypeEquals(BaseType.BOOLEAN);


            timeResolution.setVisibility(Settable.FULL);
        } catch (IllegalActionException ex) {
            throw new InternalErrorException(getName()

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            throws NameDuplicationException, IllegalActionException {
        super(container, name);


        deadZone = new Parameter(this, "deadZone", new DoubleToken("0.01"));


        isPolling = new Parameter(this, "isPolling", new BooleanToken("true"));


        pollingInterval = new Parameter(this, "pollingInterval", new IntToken(
                "50"));


        x = new TypedIOPort(this, "x", false, true);

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        for (int i = 0; i < array1.length(); i++) {
            // Here is where isCloseTo() differs from isEqualTo().
            // Note that we return false the first time we hit an
            // element token that is not close to our current element token.
            BooleanToken result = array1.getElement(i).isCloseTo(
                    array2.getElement(i), epsilon);


            // If the tokens are not close and array1[i] and is not nil, then
            // the arrays really aren't close.
            if (result.booleanValue() == false) {
                if (array1.getElement(i).isNil()
                        && array2.getElement(i).isNil()) {
                    // They are not close, but both are nil, so for
                    // our purposes, the are close.
                } else {

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                    input.get(i);
                }
            }


            // Indicate that the test has passed.
            output.send(0, new BooleanToken(true));
            return;
        }


        output.send(0, new BooleanToken(false));


        Token referenceToken = ((ArrayToken) (correctValues.getToken()))
                .getElement(_numberOfInputTokensSeen);
        Token[] reference;

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        super.fire();
        _debug("Monitor" + getFullName() + " fired.");
        _thisInput = ((DoubleToken) input.get(0)).doubleValue();


        if ((_thisInput <= _upperBound) && (_thisInput >= _lowerBound)) {
            output.send(0, new BooleanToken(true));
        } else {
            output.send(0, new BooleanToken(false));
        }
    }

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        if (input.hasToken(0)) {
            _thisInput = ((DoubleToken) input.get(0)).doubleValue();
        }


        if ((_thisInput <= _upperBound) && (_thisInput >= _lowerBound)) {
            output.send(0, new BooleanToken(true));
        } else {
            output.send(0, new BooleanToken(false));
        }


        _lastInput = _thisInput;
        _first = false;
        return true;

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