Example usage for java.lang Number doubleValue

Introduction

In this page you can find the example usage for java.lang Number doubleValue.

Prototype

public abstract double doubleValue();

Source Link

Document

Returns the value of the specified number as a double .

Usage

From source file:com.sindicetech.siren.solr.facet.SirenFieldFacetExtractor.java

private void generateFacetsForCustomDatatypeLeaf(ObjectNode object, String fieldName,
        ExtendedJsonField sirenField, String path, List<SirenFacetEntry> facets) {
    Iterator<Entry<String, JsonNode>> iterator = object.getFields();

    String datatype = null;//from   ww  w  . jav a 2s. co m
    String value = null;

    while (iterator.hasNext()) {
        Entry<String, JsonNode> entry = iterator.next();
        if ("_datatype_".equals(entry.getKey())) {
            datatype = entry.getValue().asText();
        } else if ("_value_".equals(entry.getKey())) {
            value = entry.getValue().asText();
        } else {
            logger.warn("Unexpected field {} in custom datatype object: {}", entry.getKey(), object.asText());
            continue;
        }
    }

    if (datatype == null || value == null) {
        logger.warn(
                "Unexpected form of custom datatype object: {}. Not generating facets for this nested object.",
                object.asText());
        return;
    }

    SirenFacetEntry entry = new SirenFacetEntry();
    entry.fieldName = fieldName;
    entry.path = path;

    Datatype customDatatype = sirenField.getDatatypes().get(datatype);
    if (customDatatype instanceof TrieDatatype) {
        NumericAnalyzer analyzer = (NumericAnalyzer) customDatatype.getAnalyzer();
        NumericParser parser = analyzer.getNumericParser();
        try {
            Number number = parser.parse(new StringReader(value));
            if ((number instanceof Float) || (number instanceof Double)) {
                entry.datatype = FacetDatatype.DOUBLE;
                entry.value = number.doubleValue();
            } else if ((number instanceof Integer) || (number instanceof Long)) {
                entry.datatype = FacetDatatype.LONG;
                entry.value = number.longValue();
            } else {
                logger.warn(
                        "Unknown number type {} in custom datatype in nested object {}. Not creating facet field.",
                        number.getClass().getCanonicalName(), object.asText());
                return;
            }
        } catch (IOException e) {
            logger.warn("Problem parsing custom datatype {} in nested object {}: " + e.getMessage(), datatype,
                    object.asText());
            return;
        }
    } else {
        entry.datatype = FacetDatatype.STRING;
        entry.value = value;
    }

    facets.add(entry);
}

---

From source file:io.coala.random.impl.RandomDistributionFactoryImpl.java

@Override
public RandomNumberDistribution<Double> getNormal(final RandomNumberStream rng, final Number mean,
        final Number sd) {
    final RealDistribution dist = new NormalDistribution(RandomNumberStream.Util.asCommonsRandomGenerator(rng),
            mean.doubleValue(), sd.doubleValue());
    return new RandomNumberDistribution<Double>() {
        @Override//from  www .  j a  v  a2  s  .c  o  m
        public Double draw() {
            return dist.sample();
        }
    };
}

---

From source file:io.coala.random.impl.RandomDistributionFactoryImpl.java

@Override
public RandomNumberDistribution<Double> getBeta(final RandomNumberStream rng, final Number alpha,
        final Number beta) {
    final RealDistribution dist = new BetaDistribution(RandomNumberStream.Util.asCommonsRandomGenerator(rng),
            alpha.doubleValue(), beta.doubleValue());
    return new RandomNumberDistribution<Double>() {
        @Override//  ww  w  .ja v a 2s .co  m
        public Double draw() {
            return dist.sample();
        }
    };
}

---

From source file:msi.gaml.operators.Stats.java

@operator(value = "min", can_be_const = true, type = ITypeProvider.CONTENT_TYPE_AT_INDEX
        + 1, expected_content_type = { IType.INT, IType.FLOAT, IType.POINT }, category = {
                IOperatorCategory.STATISTICAL, IOperatorCategory.CONTAINER }, concept = { IConcept.STATISTIC })
@doc(value = "the minimum element found in the operand.", masterDoc = true, comment = "the min operator behavior depends on the nature of the operand", usages = {
        @usage(value = "if it is a list of int or float: min returns the minimum of all the elements", examples = {
                @example(value = "min ([100, 23.2, 34.5])", equals = "23.2") }),
        @usage(value = "if it is a list of points: min returns the minimum of all points as a point (i.e. the point with the smallest coordinate on the x-axis, in case of equality the point with the smallest coordinate on the y-axis is chosen. If all the points are equal, the first one is returned. )"),
        @usage(value = "if it is a population of a list of other types: min transforms all elements into integer and returns the minimum of them"),
        @usage(value = "if it is a map, min returns the minimum among the list of all elements value"),
        @usage(value = "if it is a file, min returns the minimum of the content of the file (that is also a container)"),
        @usage(value = "if it is a graph, min returns the minimum of the list of the elements of the graph (that can be the list of edges or vertexes depending on the graph)"),
        @usage(value = "if it is a matrix of int, float or object, min returns the minimum of all the numerical elements (thus all elements for integer and float matrices)"),
        @usage(value = "if it is a matrix of geometry, min returns the minimum of the list of the geometries"),
        @usage(value = "if it is a matrix of another type, min returns the minimum of the elements transformed into float") }, see = {
                "max" })
public static Object min(final IScope scope, final IContainer l) {
    Number minNum = null;
    ILocation minPoint = null;//ww w .  j  av a  2s . com
    for (final Object o : l.iterable(scope)) {
        if (o instanceof ILocation && minNum == null) {
            if (minPoint == null || ((ILocation) o).compareTo(minPoint) < 0) {
                minPoint = (ILocation) o;
            }
        } else if (o instanceof Number && minPoint == null
                && (minNum == null || ((Number) o).doubleValue() < minNum.doubleValue())) {
            minNum = (Number) o;
        } else {
            final Double d = Cast.asFloat(scope, o);
            if (minNum == null || d < minNum.doubleValue()) {
                minNum = d;
            }
        }
    }
    return minNum == null ? minPoint : minNum;
}

---

From source file:NumberUtils.java

/**
 * Convert the given number into an instance of the given target class.
 * @param number the number to convert//  www .  j a  v a 2  s .co m
 * @param targetClass the target class to convert to
 * @return the converted number
 * @throws IllegalArgumentException if the target class is not supported
 * (i.e. not a standard Number subclass as included in the JDK)
 * @see java.lang.Byte
 * @see java.lang.Short
 * @see java.lang.Integer
 * @see java.lang.Long
 * @see java.math.BigInteger
 * @see java.lang.Float
 * @see java.lang.Double
 * @see java.math.BigDecimal
 */
public static Number convertNumberToTargetClass(Number number, Class targetClass)
        throws IllegalArgumentException {

    if (targetClass.isInstance(number)) {
        return number;
    } else if (targetClass.equals(Byte.class)) {
        long value = number.longValue();
        if (value < Byte.MIN_VALUE || value > Byte.MAX_VALUE) {
            raiseOverflowException(number, targetClass);
        }
        return new Byte(number.byteValue());
    } else if (targetClass.equals(Short.class)) {
        long value = number.longValue();
        if (value < Short.MIN_VALUE || value > Short.MAX_VALUE) {
            raiseOverflowException(number, targetClass);
        }
        return new Short(number.shortValue());
    } else if (targetClass.equals(Integer.class)) {
        long value = number.longValue();
        if (value < Integer.MIN_VALUE || value > Integer.MAX_VALUE) {
            raiseOverflowException(number, targetClass);
        }
        return new Integer(number.intValue());
    } else if (targetClass.equals(Long.class)) {
        return new Long(number.longValue());
    } else if (targetClass.equals(Float.class)) {
        return new Float(number.floatValue());
    } else if (targetClass.equals(Double.class)) {
        return new Double(number.doubleValue());
    } else if (targetClass.equals(BigInteger.class)) {
        return BigInteger.valueOf(number.longValue());
    } else if (targetClass.equals(BigDecimal.class)) {
        // using BigDecimal(String) here, to avoid unpredictability of BigDecimal(double)
        // (see BigDecimal javadoc for details)
        return new BigDecimal(number.toString());
    } else {
        throw new IllegalArgumentException("Could not convert number [" + number + "] of type ["
                + number.getClass().getName() + "] to unknown target class [" + targetClass.getName() + "]");
    }
}

---

From source file:edu.ucla.stat.SOCR.chart.gui.ExtendedStackedBarRenderer.java

/**
 * Draws a stacked bar for a specific item.
 *
 * @param g2  the graphics device./*from  w w  w  . j  a va 2  s . c o m*/
 * @param state  the renderer state.
 * @param dataArea  the plot area.
 * @param plot  the plot.
 * @param domainAxis  the domain (category) axis.
 * @param rangeAxis  the range (value) axis.
 * @param dataset  the data.
 * @param row  the row index (zero-based).
 * @param column  the column index (zero-based).
 * @param pass  the pass index.
 */
public void drawItem(Graphics2D g2, CategoryItemRendererState state, Rectangle2D dataArea, CategoryPlot plot,
        CategoryAxis domainAxis, ValueAxis rangeAxis, CategoryDataset dataset, int row, int column, int pass) {

    // nothing is drawn for null values...
    Number dataValue = dataset.getValue(row, column);
    if (dataValue == null) {
        return;
    }

    double value = dataValue.doubleValue();

    PlotOrientation orientation = plot.getOrientation();
    double barW0 = domainAxis.getCategoryMiddle(column, getColumnCount(), dataArea, plot.getDomainAxisEdge())
            - state.getBarWidth() / 2.0;

    double positiveBase = 0.0;
    double negativeBase = 0.0;

    for (int i = 0; i < row; i++) {
        Number v = dataset.getValue(i, column);
        if (v != null) {
            double d = v.doubleValue();
            if (d > 0) {
                positiveBase = positiveBase + d;
            } else {
                negativeBase = negativeBase + d;
            }
        }
    }

    double translatedBase;
    double translatedValue;
    RectangleEdge location = plot.getRangeAxisEdge();
    if (value > 0.0) {
        translatedBase = rangeAxis.valueToJava2D(positiveBase, dataArea, location);
        translatedValue = rangeAxis.valueToJava2D(positiveBase + value, dataArea, location);
    } else {
        translatedBase = rangeAxis.valueToJava2D(negativeBase, dataArea, location);
        translatedValue = rangeAxis.valueToJava2D(negativeBase + value, dataArea, location);
    }
    double barL0 = Math.min(translatedBase, translatedValue);
    double barLength = Math.max(Math.abs(translatedValue - translatedBase), getMinimumBarLength());

    Rectangle2D bar = null;
    if (orientation == PlotOrientation.HORIZONTAL) {
        bar = new Rectangle2D.Double(barL0, barW0, barLength, state.getBarWidth());
    } else {
        bar = new Rectangle2D.Double(barW0, barL0, state.getBarWidth(), barLength);
    }
    Paint seriesPaint = getItemPaint(row, column);
    g2.setPaint(seriesPaint);
    g2.fill(bar);
    if (isDrawBarOutline() && state.getBarWidth() > BAR_OUTLINE_WIDTH_THRESHOLD) {
        g2.setStroke(getItemStroke(row, column));
        g2.setPaint(getItemOutlinePaint(row, column));
        g2.draw(bar);
    }

    CategoryItemLabelGenerator generator = getItemLabelGenerator(row, column);
    if (generator != null && isItemLabelVisible(row, column)) {
        drawItemLabel(g2, dataset, row, column, plot, generator, bar, (value < 0.0));
    }

    if (value > 0.0) {
        if (this.showPositiveTotal) {
            if (isLastPositiveItem(dataset, row, column)) {
                g2.setPaint(Color.black);
                g2.setFont(this.totalLabelFont);
                double total = calculateSumOfPositiveValuesForCategory(dataset, column);
                if (orientation == PlotOrientation.HORIZONTAL)
                    TextUtilities.drawRotatedString(this.totalFormatter.format(total), g2,
                            (float) (bar.getMaxX() + 5.0), (float) bar.getCenterY(), TextAnchor.CENTER_LEFT,
                            0.0, TextAnchor.CENTER_LEFT);

                else
                    TextUtilities.drawRotatedString(this.totalFormatter.format(total), g2,
                            (float) bar.getCenterX(), (float) (bar.getMinY() - 4.0), TextAnchor.BOTTOM_CENTER,
                            0.0, TextAnchor.BOTTOM_CENTER);
            }
        }
    } else {
        if (this.showNegativeTotal) {
            if (isLastNegativeItem(dataset, row, column)) {
                g2.setPaint(Color.black);
                g2.setFont(this.totalLabelFont);
                double total = calculateSumOfNegativeValuesForCategory(dataset, column);
                if (orientation == PlotOrientation.HORIZONTAL)
                    TextUtilities.drawRotatedString(String.valueOf(total), g2, (float) (bar.getMinX() - 5.0),
                            (float) bar.getCenterY(), TextAnchor.CENTER_RIGHT, 0.0, TextAnchor.CENTER_RIGHT);
                else
                    TextUtilities.drawRotatedString(String.valueOf(total), g2, (float) bar.getCenterX(),
                            (float) (bar.getMaxY() + 4.0), TextAnchor.TOP_CENTER, 0.0, TextAnchor.TOP_CENTER);
            }
        }
    }

    // collect entity and tool tip information...
    if (state.getInfo() != null) {
        EntityCollection entities = state.getEntityCollection();
        if (entities != null) {
            String tip = null;
            CategoryToolTipGenerator tipster = getToolTipGenerator(row, column);
            if (tipster != null) {
                tip = tipster.generateToolTip(dataset, row, column);
            }
            String url = null;
            if (getItemURLGenerator(row, column) != null) {
                url = getItemURLGenerator(row, column).generateURL(dataset, row, column);
            }
            CategoryItemEntity entity = new CategoryItemEntity(bar, tip, url, dataset, dataset.getRowKey(row),
                    dataset.getColumnKey(column));
            entities.add(entity);
        }
    }

}

---

From source file:io.coala.random.impl.RandomDistributionFactoryImpl.java

@Override
public RandomNumberDistribution<Double> getGamma(final RandomNumberStream rng, final Number shape,
        final Number scale) {
    final RealDistribution dist = new GammaDistribution(RandomNumberStream.Util.asCommonsRandomGenerator(rng),
            shape.doubleValue(), scale.doubleValue());
    return new RandomNumberDistribution<Double>() {
        @Override/*w ww. ja  v a2 s. c o  m*/
        public Double draw() {
            return dist.sample();
        }
    };
}

---

From source file:msi.gaml.operators.Stats.java

@operator(value = "max", can_be_const = true, type = ITypeProvider.CONTENT_TYPE_AT_INDEX
        + 1, expected_content_type = { IType.INT, IType.FLOAT, IType.POINT }, category = {
                IOperatorCategory.STATISTICAL, IOperatorCategory.CONTAINER }, concept = { IConcept.STATISTIC })
@doc(value = "the maximum element found in the operand", masterDoc = true, comment = "the max operator behavior depends on the nature of the operand", usages = {

        @usage(value = "if it is a list of int of float, max returns the maximum of all the elements", examples = {
                @example(value = "max ([100, 23.2, 34.5])", equals = "100.0") }),
        @usage(value = "if it is a list of points: max returns the maximum of all points as a point (i.e. the point with the greatest coordinate on the x-axis, in case of equality the point with the greatest coordinate on the y-axis is chosen. If all the points are equal, the first one is returned. )", examples = {
                @example(value = "max([{1.0,3.0},{3.0,5.0},{9.0,1.0},{7.0,8.0}])", equals = "{9.0,1.0}") }),
        @usage("if it is a population of a list of other type: max transforms all elements into integer and returns the maximum of them"),
        @usage("if it is a map, max returns the maximum among the list of all elements value"),
        @usage("if it is a file, max returns the maximum of the content of the file (that is also a container)"),
        @usage("if it is a graph, max returns the maximum of the list of the elements of the graph (that can be the list of edges or vertexes depending on the graph)"),
        @usage("if it is a matrix of int, float or object, max returns the maximum of all the numerical elements (thus all elements for integer and float matrices)"),
        @usage("if it is a matrix of geometry, max returns the maximum of the list of the geometries"),
        @usage("if it is a matrix of another type, max returns the maximum of the elements transformed into float") }, see = {
                "min" })
public static Object max(final IScope scope, final IContainer l) {
    Number maxNum = null;
    ILocation maxPoint = null;/*from www.  ja  v  a2  s  .co  m*/
    for (final Object o : l.iterable(scope)) {
        if (o instanceof ILocation && maxNum == null) {
            if (maxPoint == null || ((ILocation) o).compareTo(maxPoint) > 0) {
                maxPoint = (ILocation) o;
            }
        } else if (o instanceof Number && maxPoint == null
                && (maxNum == null || ((Number) o).doubleValue() > maxNum.doubleValue())) {
            maxNum = (Number) o;
        } else {
            final Double d = Cast.asFloat(scope, o);
            if (maxNum == null || d > maxNum.doubleValue()) {
                maxNum = d;
            }
        }
    }
    return maxNum == null ? maxPoint : maxNum;
}

---

From source file:io.coala.random.impl.RandomDistributionFactoryImpl.java

@Override
public RandomNumberDistribution<Double> getPareto(final RandomNumberStream rng, final Number scale,
        final Number shape) {
    final RealDistribution dist = new ParetoDistribution(RandomNumberStream.Util.asCommonsRandomGenerator(rng),
            scale.doubleValue(), shape.doubleValue());
    return new RandomNumberDistribution<Double>() {
        @Override//from  w ww . j a va 2 s  .c  om
        public Double draw() {
            return dist.sample();
        }
    };
}

---

From source file:io.coala.random.impl.RandomDistributionFactoryImpl.java

@Override
public RandomNumberDistribution<Double> getWeibull(final RandomNumberStream rng, final Number alpha,
        final Number beta) {
    final RealDistribution dist = new WeibullDistribution(RandomNumberStream.Util.asCommonsRandomGenerator(rng),
            alpha.doubleValue(), beta.doubleValue());
    return new RandomNumberDistribution<Double>() {
        @Override/*from www.j av  a2 s.co m*/
        public Double draw() {
            return dist.sample();
        }
    };
}

---

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