Examples of com.volantis.xml.expression.atomic.numeric.DoubleValue

Package com.volantis.xml.expression.atomic.numeric

Examples of com.volantis.xml.expression.atomic.numeric.DoubleValue

com.volantis.xml.expression.atomic.numeric.DoubleValue
Represents an XPath 2.0 double value.
Warning: This is a facade provided for use by user code, not for implementation in user code. User implementations of this interface are highly likely to be incompatible with future releases of the product at both binary and source levels.
@volantis-api-include-in PublicAPI @volantis-api-include-in ProfessionalServicesAPI @volantis-api-include-in InternalAPI

     * Sequence argument
     * @throws Exception if an error occurs
     */
    public void testNumberWithEmptySequence() throws Exception {
        // invoke the method
        DoubleValue result = PipelineExpressionHelper.fnNumber(Sequence.EMPTY,
                                                       factory);
        // check the result
        assertTrue("unexpected number result",
                   Double.isNaN(result.asJavaDouble()));


    }

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     * of one "NaN" StringValue Item
     * @throws Exception if an error occurs
     */
    public void testNumberWithNaNStringValueItem() throws Exception {
        Sequence seq = factory.createStringValue("NaN").getSequence();
        DoubleValue result = PipelineExpressionHelper.fnNumber(seq, factory);
        assertTrue("number('NaN') should return NaN DoubleValue",
                   Double.isNaN(result.asJavaDouble()));
    }

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     * of one invalid double StringValue Item
     * @throws Exception if an error occurs
     */
    public void testNumberWithinValidDoubleStringValueItem() throws Exception {
        Sequence seq = factory.createStringValue("fred").getSequence();
        DoubleValue result = PipelineExpressionHelper.fnNumber(seq, factory);
        assertTrue("number('fred') should return NaN DoubleValue",
                   Double.isNaN(result.asJavaDouble()));
    }

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     * @throws Exception if an error occurs
     */
    public void doTestNumber(Sequence sequence, double expected)
            throws Exception {
        // invoke the method
        DoubleValue result = PipelineExpressionHelper.fnNumber(sequence, factory);
        // check the result
        assertEquals("unexpected number result",
                     expected,
                     result.asJavaDouble(),
                     0.1);


    }

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        // obtain length of sequence
        int length = sequence.getLength();


        // value of operand cast to a double
        DoubleValue eval = DoubleValue.NOT_A_NUMBER;


        // if length is zero then we return NaN
        if (length == 1) {
            // if length is 1 (ie atomic value) then the following rules apply
            Value sv = sequence.getItem(1);

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     * @param value The value to get as an integer.
     * @return The value as an int.
     */
    private int getIntRound(Value value) {
        if (value instanceof DoubleValue) {
            DoubleValue doubleValue = (DoubleValue) value;
            return (int) Math.round(doubleValue.asJavaDouble());
        } else if (value instanceof IntValue) {
            IntValue intValue = (IntValue) value;
            return intValue.asJavaInt();
        } else {
            throw new IllegalArgumentException(

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                            new Item[sequenceItems.size()]));
        }


        // javadoc inhertied
        public void visit(ImmutableNumberValue immutableNumberValue) {
            DoubleValue doubleValue =
                    expressionFactory.createDoubleValue(
                        immutableNumberValue.getValueAsNumber().doubleValue());
            if (sequenceItems == null) {
                // not creating a sequence of items set the value to be
                // the double

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        // retrieve the usable display height in pixels from the repository
        double usableHeight = retrieveLengthValue(accessor,
                DevicePolicyConstants.USABLE_HEIGHT_IN_PIXELS, name);


        DoubleValue actualValue;
        try {
            if (!PX.equalsIgnoreCase(name)) {
                double usableHeightInMm = calculateUsableLengthInMillimetres(
                        accessor, DevicePolicyConstants.USABLE_HEIGHT_IN_PIXELS,
                        DevicePolicyConstants.ACTUAL_HEIGHT_IN_PIXELS,

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        // retrieve the usable display width in pixels from the repository
        double usableWidth = retrieveLengthValue(accessor,
                DevicePolicyConstants.USABLE_WIDTH_IN_PIXELS, name);


        DoubleValue actualValue;
        try {
            if (!PX.equalsIgnoreCase(name)) {
                double usableWidthInMm = calculateUsableLengthInMillimetres(
                        accessor, DevicePolicyConstants.USABLE_WIDTH_IN_PIXELS,
                        DevicePolicyConstants.ACTUAL_WIDTH_IN_PIXELS,

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        } else {
            deviceWidth = retrieveLengthValue(accessor,
                DevicePolicyConstants.ACTUAL_WIDTH_IN_MM, name);
        }


        DoubleValue actualValue = new SimpleDoubleValue(
                expressionContext.getFactory(), deviceWidth);


        return calculateLength(expressionContext, accessor, name, defaultValue,
                actualValue);
    }

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com.volantis.mcs.expression.functions.diselect.DIDeviceWidthFunction

com.volantis.mcs.expression.functions.diselect.DIHeightFunction

com.volantis.mcs.expression.functions.diselect.DIWidthFunction

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