Example usage for java.lang Float doubleValue

Introduction

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

Prototype

public double doubleValue() 

Source Link

Document

Returns the value of this Float as a double after a widening primitive conversion.

Usage

From source file:Main.java

public static void main(String[] args) {
    Float floatObject = new Float("10.01");
    double b = floatObject.doubleValue();
    System.out.println("double:" + b);
}

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From source file:Main.java

public static void main(String[] args) {

    Float fObj = new Float("10.50");
    byte b = fObj.byteValue();
    System.out.println(b);/*from  ww  w .  java 2  s  . com*/

    short s = fObj.shortValue();
    System.out.println(s);

    int i = fObj.intValue();
    System.out.println(i);

    float f = fObj.floatValue();
    System.out.println(f);

    double d = fObj.doubleValue();
    System.out.println(d);
}

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From source file:Main.java

/**
 * @param floats The list of {@link Float}s to be converted to {@link Double}s.
 * @return A list of {@link Double}s from a list of {@link Float}s.
 *//*from w  ww  .j a  v  a  2  s  .c om*/
public static List<Double> doublesFromFloats(List<Float> floats) {
    List<Double> doubles = new ArrayList<>();
    for (Float f : floats) {
        doubles.add(f.doubleValue());
    }
    return doubles;
}

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From source file:Main.java

/**
 * //w w w . j  av  a 2  s.  c  om
 * @param values
 * @return
 */
public static Double[] toDoubleArray(List<Float> values) {
    Double[] doubles = new Double[values.size()];
    int i = 0;
    for (Float float1 : values) {
        doubles[i++] = float1.doubleValue();
    }
    return doubles;
}

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From source file:oscar.util.UtilMisc.java

public static String FloatToString(float value) {
    Float f = new Float(value);
    NumberFormat fmt = NumberFormat.getNumberInstance();
    String s = fmt.format(f.doubleValue());
    return s;/*from  w w w .java 2 s  .  c  om*/
}

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From source file:Util.PacketGenerator.java

public static void GenerateGraph() {
    try {/*from w  w  w.ja v  a2 s .co m*/
        for (int j = 6; j <= 6; j++) {
            File real = new File("D:\\Mestrado\\SketchMatrix\\trunk\\Simulations\\Analise\\Scenario1\\Topology"
                    + j + "\\Real.csv");
            for (int k = 1; k <= 4; k++) {
                File simu = new File(
                        "D:\\Mestrado\\SketchMatrix\\trunk\\Simulations\\Analise\\Scenario1\\Topology" + j
                                + "\\SimulacaoInstancia" + k + ".csv");

                FileInputStream simuFIS = new FileInputStream(simu);
                DataInputStream simuDIS = new DataInputStream(simuFIS);
                BufferedReader simuBR = new BufferedReader(new InputStreamReader(simuDIS));

                FileInputStream realFIS = new FileInputStream(real);
                DataInputStream realDIS = new DataInputStream(realFIS);
                BufferedReader realBR = new BufferedReader(new InputStreamReader(realDIS));

                String lineSimu = simuBR.readLine();
                String lineReal = realBR.readLine();

                XYSeries matrix = new XYSeries("Matriz", false, true);
                while (lineSimu != null && lineReal != null) {

                    lineSimu = lineSimu.replaceAll(",", ".");
                    String[] simuMatriz = lineSimu.split(";");
                    String[] realMatriz = lineReal.split(";");

                    for (int i = 0; i < simuMatriz.length; i++) {
                        try {
                            Integer valorReal = Integer.parseInt(realMatriz[i]);
                            Float valorSimu = Float.parseFloat(simuMatriz[i]);
                            matrix.add(valorReal.doubleValue() / 1000.0, valorSimu.doubleValue() / 1000.0);
                        } catch (NumberFormatException ex) {

                        }
                    }
                    lineSimu = simuBR.readLine();
                    lineReal = realBR.readLine();
                }

                simuFIS.close();
                simuDIS.close();
                simuBR.close();

                realFIS.close();
                realDIS.close();
                realBR.close();

                double maxPlot = Double.max(matrix.getMaxX(), matrix.getMaxY()) * 1.1;
                XYSeries middle = new XYSeries("Referncia");
                ;
                middle.add(0, 0);
                middle.add(maxPlot, maxPlot);
                XYSeries max = new XYSeries("Superior 20%");
                max.add(0, 0);
                max.add(maxPlot, maxPlot * 1.2);
                XYSeries min = new XYSeries("Inferior 20%");
                min.add(0, 0);
                min.add(maxPlot, maxPlot * 0.8);

                XYSeriesCollection dataset = new XYSeriesCollection();
                dataset.addSeries(middle);
                dataset.addSeries(matrix);
                dataset.addSeries(max);
                dataset.addSeries(min);
                JFreeChart chart;
                if (k == 4) {
                    chart = ChartFactory.createXYLineChart("Matriz de Trfego", "Real", "CMO-MT", dataset);
                } else {
                    chart = ChartFactory.createXYLineChart("Matriz de Trfego", "CMO-MT", "Zhao", dataset);
                }
                chart.setBackgroundPaint(Color.WHITE);
                chart.getPlot().setBackgroundPaint(Color.WHITE);
                chart.getTitle().setFont(new Font("Times New Roman", Font.BOLD, 13));

                chart.getLegend().setItemFont(new Font("Times New Roman", Font.TRUETYPE_FONT, 10));

                chart.getXYPlot().getDomainAxis().setLabelFont(new Font("Times New Roman", Font.BOLD, 10));
                chart.getXYPlot().getDomainAxis()
                        .setTickLabelFont(new Font("Times New Roman", Font.TRUETYPE_FONT, 1));
                chart.getXYPlot().getRangeAxis().setLabelFont(new Font("Times New Roman", Font.BOLD, 10));
                chart.getXYPlot().getRangeAxis()
                        .setTickLabelFont(new Font("Times New Roman", Font.TRUETYPE_FONT, 1));

                XYLineAndShapeRenderer renderer = (XYLineAndShapeRenderer) chart.getXYPlot().getRenderer();

                renderer.setSeriesLinesVisible(1, false);
                renderer.setSeriesShapesVisible(1, true);

                renderer.setSeriesStroke(0, new BasicStroke(2.0f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER,
                        10.0f, new float[] { 0.1f }, 0.0f));
                renderer.setSeriesShape(1, new Ellipse2D.Float(-1.5f, -1.5f, 3f, 3f));
                renderer.setSeriesStroke(2, new BasicStroke(1.0f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER,
                        10.0f, new float[] { 3.0f }, 0.0f));
                renderer.setSeriesStroke(3, new BasicStroke(1.0f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER,
                        10.0f, new float[] { 3.0f }, 0.0f));

                renderer.setSeriesPaint(0, Color.BLACK);
                renderer.setSeriesPaint(1, Color.BLACK);
                renderer.setSeriesPaint(2, Color.BLACK);
                renderer.setSeriesPaint(3, Color.BLACK);

                int width = (int) (192 * 1.5f); /* Width of the image */

                int height = (int) (144 * 1.5f); /* Height of the image */

                File XYChart = new File(
                        "D:\\Mestrado\\SketchMatrix\\trunk\\Simulations\\Analise\\Scenario1\\Topology" + j
                                + "\\SimulacaoInstancia" + k + ".jpeg");
                ChartUtilities.saveChartAsJPEG(XYChart, chart, width, height);
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

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From source file:com.github.jessemull.microflex.util.BigDecimalUtil.java

/**
 * Safely converts an object to a BigInteger. Loss of precision may occur. Throws
 * an arithmetic exception upon overflow.
 * @param    Object    object to parse// w  ww  .j  a  va2  s .  c o  m
 * @return             parsed object
 * @throws   ArithmeticException    on overflow
 */
public static BigDecimal toBigDecimal(Object obj) {

    /* Switch on class and convert to BigDecimal */

    String type = obj.getClass().getSimpleName();
    BigDecimal parsed;

    switch (type) {

    case "Byte":
        Byte by = (Byte) obj;
        parsed = new BigDecimal(by.doubleValue());
        break;

    case "Short":
        Short sh = (Short) obj;
        parsed = new BigDecimal(sh.doubleValue());
        break;

    case "Integer":
        Integer in = (Integer) obj;
        parsed = new BigDecimal(in.doubleValue());
        break;

    case "Long":
        Long lo = (Long) obj;
        parsed = new BigDecimal(lo.doubleValue());
        break;

    case "Float":
        Float fl = (Float) obj;
        parsed = new BigDecimal(fl.doubleValue());
        break;

    case "BigInteger":
        parsed = new BigDecimal(((BigInteger) obj));
        break;

    case "BigDecimal":
        parsed = (BigDecimal) obj;
        break;

    case "Double":
        Double db = (Double) obj;
        parsed = new BigDecimal(db);
        break;

    default:
        throw new IllegalArgumentException(
                "Invalid type: " + type + "\nData values " + "must extend the abstract Number class.");

    }

    return parsed;
}

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From source file:com.github.jessemull.microflex.util.BigDecimalUtil.java

/**
 * Safely converts a number to a BigInteger. Loss of precision may occur. Throws
 * an arithmetic exception upon overflow.
 * @param    Number    object to parse/*from  w w  w  .  ja  v  a 2s .  c o  m*/
 * @return             parsed object
 * @throws   ArithmeticException    on overflow
 */
public static BigDecimal toBigDecimal(Number number) {

    /* Switch on class and convert to BigDecimal */

    String type = number.getClass().getSimpleName();
    BigDecimal parsed;

    switch (type) {

    case "Byte":
        Byte by = (Byte) number;
        parsed = new BigDecimal(by.doubleValue());
        break;

    case "Short":
        Short sh = (Short) number;
        parsed = new BigDecimal(sh.doubleValue());
        break;

    case "Integer":
        Integer in = (Integer) number;
        parsed = new BigDecimal(in.doubleValue());
        break;

    case "Long":
        Long lo = (Long) number;
        parsed = new BigDecimal(lo.doubleValue());
        break;

    case "Float":
        Float fl = (Float) number;
        parsed = new BigDecimal(fl.doubleValue());
        break;

    case "BigInteger":
        parsed = new BigDecimal(((BigInteger) number));
        break;

    case "BigDecimal":
        parsed = (BigDecimal) number;
        break;

    case "Double":
        Double db = (Double) number;
        parsed = new BigDecimal(db);
        break;

    default:
        throw new IllegalArgumentException(
                "Invalid type: " + type + "\nData values " + "must extend the abstract Number class.");

    }

    return parsed;
}

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From source file:pcgen.core.analysis.SkillRankControl.java

/**
 * Returns the total ranks of a skill rank + bonus ranks (racial, class, etc
 * bonuses). Note that the total ranks could be higher than the max ranks if
 * the ranks come from a familiar's master.
 * /*  ww  w  .j  av a 2 s.c om*/
 * @param pc
 * @return rank + bonus ranks (racial, class, etc. bonuses)
 */
public static Float getTotalRank(PlayerCharacter pc, Skill sk) {
    if (pc == null) {
        Logging.errorPrint("Asked to get total rank for null character. Location was ", new Throwable());
        return 0.0f;
    }
    Float rank = pc.getRank(sk);
    if (rank == null) {
        Logging.errorPrint("Rank of skill " + sk + " for " + pc + " was null. Location was ", new Throwable());
        return 0.0f;
    }
    double baseRanks = rank.doubleValue();
    double ranks = baseRanks + SkillRankControl.getSkillRankBonusTo(pc, sk);
    if (!Globals.checkRule(RuleConstants.SKILLMAX) && pc.hasClass()) {
        /*
         * Note: The class grabbed doesn't matter - it is only used for calculating cross-class skill rank cost.
         * All classes of a multi-class character are scanned to determine if the skill is a class skill.
         */
        double maxRanks = pc.getMaxRank(sk, pc.getClassList().get(0)).doubleValue();
        maxRanks = Math.max(maxRanks, baseRanks);
        ranks = Math.min(maxRanks, ranks);
    }
    return new Float(ranks);
}

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From source file:com.github.jessemull.microflex.util.DoubleUtil.java

/**
 * Safely converts an object to a double. Loss of precision may occur. Throws
 * an arithmetic exception upon overflow.
 * @param    Object    object to parse//from w  w  w .j  ava 2s  .  c o m
 * @return             parsed object
 * @throws   ArithmeticException    on overflow
 */
public static double toDouble(Object obj) {

    /* Switch on class and convert to double */

    String type = obj.getClass().getSimpleName();
    double parsed;

    switch (type) {

    case "Byte":
        Byte by = (Byte) obj;
        parsed = by.doubleValue();
        break;

    case "Short":
        Short sh = (Short) obj;
        parsed = sh.doubleValue();
        break;

    case "Integer":
        Integer in = (Integer) obj;
        parsed = in.doubleValue();
        break;

    case "Long":
        Long lo = (Long) obj;
        parsed = lo.doubleValue();
        break;

    case "Float":
        Float fl = (Float) obj;
        parsed = fl.doubleValue();
        break;

    case "BigInteger":
        BigInteger bi = (BigInteger) obj;
        if (!OverFlowUtil.doubleOverflow(bi)) {
            throw new ArithmeticException("Overflow casting " + obj + " to a double.");
        }
        parsed = bi.doubleValue();
        break;

    case "BigDecimal":
        BigDecimal bd = (BigDecimal) obj;
        if (!OverFlowUtil.doubleOverflow(bd)) {
            throw new ArithmeticException("Overflow casting " + obj + " to a double.");
        }
        parsed = bd.doubleValue();
        break;

    case "Double":
        Double db = (Double) obj;
        parsed = db.doubleValue();
        break;

    default:
        throw new IllegalArgumentException(
                "Invalid type: " + type + "\nData values " + "must extend the abstract Number class.");

    }

    return parsed;
}

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