Example usage for java.lang Float NaN

Introduction

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

Prototype

float NaN

To view the source code for java.lang Float NaN.

Click Source Link

Document

A constant holding a Not-a-Number (NaN) value of type float .

Usage

From source file:org.deegree.tools.coverage.RTBClient.java

private static void setAdditionalOptions(RasterTreeBuilder rtb, CommandLine line) throws ParseException {
    float baseResolution = getFloatOption(line, OPT_RES, Float.NaN);
    rtb.setBaseResolution(baseResolution);

    String outputFormat = line.getOptionValue(OPT_OUTPUT_TYPE, DEFAULT_OUTPUT_FORMAT);
    rtb.setOutputFormat(outputFormat);/*from   ww w .  j a v a  2 s .  com*/

    rtb.setForceTileSize(line.hasOption(OPT_FORCE_SIZE));

    if (line.hasOption(OPT_BBOX)) {
        Envelope envelope = parseBBOX(line.getOptionValue(OPT_BBOX));
        rtb.setBaseEnvelope(envelope);
    }

    if (line.hasOption(OPT_BACKGROUND)) {
        rtb.setBackgroundValue(RasterCommandUtils.parseBackgroundValue(OPT_BACKGROUND));
    }

    rtb.setNumThreads(getIntOption(line, OPT_NUM_THREADS, 1));
}

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From source file:com.frank.search.solr.core.mapping.SimpleSolrPersistentProperty.java

@Override
public Float getBoost() {

    Float boost = Float.NaN;
    Indexed indexedAnnotation = getIndexAnnotation();
    if (indexedAnnotation != null) {
        boost = indexedAnnotation.boost();
    }//w ww . ja  v a2 s .  com
    return Float.isNaN(boost) ? null : boost;
}

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From source file:com.cloudera.oryx.als.serving.ServerRecommender.java

@Override
public void ingest(Reader reader) {
    for (CharSequence line : new FileLineIterable(reader)) {
        String[] columns = DelimitedDataUtils.decode(line);
        if (columns.length < 2) {
            throw new IllegalArgumentException("Bad line: [" + line + "]");
        }/*  w w  w .j  a va2  s.  c o m*/
        String userID = columns[0];
        String itemID = columns[1];
        if (columns.length > 2) {
            String valueToken = columns[2];
            float value = valueToken.isEmpty() ? Float.NaN : LangUtils.parseFloat(valueToken);
            if (Float.isNaN(value)) {
                removePreference(userID, itemID);
            } else {
                setPreference(userID, itemID, value);
            }
        } else {
            setPreference(userID, itemID);
        }
    }
}

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From source file:org.mrgeo.data.tile.TiledInputFormatContext.java

public static TiledInputFormatContext load(final Configuration conf) {
    TiledInputFormatContext context = new TiledInputFormatContext();
    context.inputs = new HashSet<String>();
    String strInputs = conf.get(INPUTS);
    if (strInputs != null) {
        String[] confInputs = strInputs.split(",");
        for (String confInput : confInputs) {
            context.inputs.add(confInput);
        }/*w w  w  .  j  av a 2s  .c om*/
    }
    context.zoomLevel = conf.getInt(ZOOM_LEVEL, 1);
    context.tileSize = conf.getInt(TILE_SIZE, 512);
    String confBounds = conf.get(BOUNDS);
    if (confBounds != null) {
        context.bounds = Bounds.fromDelimitedString(confBounds);
    }
    context.includeEmptyTiles = conf.getBoolean(INCLUDE_EMPTY_TILES, false);
    if (context.includeEmptyTiles) {
        context.fillValue = conf.getFloat(FILL_VALUE, Float.NaN);
    }
    int providerPropertyCount = conf.getInt(PROVIDER_PROPERTY_COUNT, 0);
    if (providerPropertyCount > 0) {
        context.inputProviderProperties = new Properties();
        for (int i = 0; i < providerPropertyCount; i++) {
            String key = conf.get(PROVIDER_PROPERTY_KEY + i);
            String value = conf.get(PROVIDER_PROPERTY_VALUE + i);
            context.inputProviderProperties.setProperty(key, value);
        }
    }
    return context;
}

---

From source file:org.caleydo.view.tourguide.impl.Statistics.java

public static double chiSquaredProbability(double x, int df) {
    // return weka.core.Statistics.chiSquaredProbability(x, df);
    ChiSquaredDistribution d;//from   www. j a  va2s. c  o m
    if (df == 1) {
        d = chiSquare1 != null ? chiSquare1.get() : null;
        if (d == null) {
            d = new ChiSquaredDistributionImpl(1);
            chiSquare1 = new SoftReference<>(d);
        }
    } else {
        d = new ChiSquaredDistributionImpl(df);
    }
    try {
        return 1.0 - d.cumulativeProbability(x);
    } catch (MathException e) {
        log.error("can't compute chiSquaredProbability of " + x + " with df: " + df, e);
    }
    return Float.NaN;
}

---

From source file:knop.psfj.heatmap.FractionnedSpace.java

/**
 * Gets the pixel value./*from   w  ww  .  ja v a 2 s. c  o m*/
 *
 * @param f the f
 * @return the pixel value
 */
public float getPixelValue(Fraction f) {

    DescriptiveStatistics stats = new DescriptiveStatistics();

    float median = Float.NaN;

    //System.out.println(f);
    if (f.size() != 0) {

        for (Point p : f) {
            //System.out.println(p.getValue());
            if (stats == null)
                System.out.println(stats);
            if (p == null)
                continue;
            stats.addValue(p.getValue());
        }

        median = new Float(stats.getPercentile(50));
        //System.out.println("Resultat : "+median);

    }
    return median;

}

---

From source file:com.tmall.wireless.tangram.util.Utils.java

/**
 * <pre>/*  w w  w . j  a va2 s. co  m*/
 * parse image ratio from imageurl with regex as follows:
 * (\d+)-(\d+)(_?q\d+)?(\.[jpg|png|gif])
 * (\d+)x(\d+)(_?q\d+)?(\.[jpg|png|gif])
 *
 * samples urls:
 * http://img.alicdn.com/tps/i1/TB1x623LVXXXXXZXFXXzo_ZPXXX-372-441.png --> return 372/441
 * http://img.alicdn.com/tps/i1/TB1P9AdLVXXXXa_XXXXzo_ZPXXX-372-441.png --> return 372/441
 * http://img.alicdn.com/tps/i1/TB1NZxRLFXXXXbwXFXXzo_ZPXXX-372-441.png --> return 372/441
 * http://img07.taobaocdn.com/tfscom/T10DjXXn4oXXbSV1s__105829.jpg_100x100.jpg --> return 100/100
 * http://img07.taobaocdn.com/tfscom/T10DjXXn4oXXbSV1s__105829.jpg_100x100q90.jpg --> return 100/100
 * http://img07.taobaocdn.com/tfscom/T10DjXXn4oXXbSV1s__105829.jpg_100x100q90.jpg_.webp --> return 100/100
 * http://img03.taobaocdn.com/tps/i3/T1JYROXuRhXXajR_DD-1680-446.jpg_q50.jpg --> return 1680/446
 * </pre>
 * @param imageUrl image url
 * @return ratio of with to height parsed from url
 */
public static float getImageRatio(String imageUrl) {
    if (TextUtils.isEmpty(imageUrl))
        return Float.NaN;

    try {
        Matcher matcher = REGEX_1.matcher(imageUrl);
        String widthStr;
        String heightStr;
        if (matcher.find()) {
            if (matcher.groupCount() >= 2) {
                widthStr = matcher.group(1);
                heightStr = matcher.group(2);
                if (widthStr.length() < 5 && heightStr.length() < 5) {
                    int urlWidth = Integer.parseInt(widthStr);
                    int urlHeight = Integer.parseInt(heightStr);

                    if (urlWidth == 0 || urlHeight == 0) {
                        return 1;
                    }
                    return (float) urlWidth / urlHeight;
                }
            }
        } else {
            matcher = REGEX_2.matcher(imageUrl);
            if (matcher.find()) {
                if (matcher.groupCount() >= 2) {
                    widthStr = matcher.group(1);
                    heightStr = matcher.group(2);
                    if (widthStr.length() < 5 && heightStr.length() < 5) {
                        int urlWidth = Integer.parseInt(widthStr);
                        int urlHeight = Integer.parseInt(heightStr);

                        if (urlWidth == 0 || urlHeight == 0) {
                            return 1;
                        }
                        return (float) urlWidth / urlHeight;
                    }
                }
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    }

    return Float.NaN;
}

---

From source file:dk.dma.ais.abnormal.analyzer.reports.RecentEventsReportJob.java

private String generateReportBody(Date date0, Date date1,
        Multimap<Class<? extends Event>, Event> eventsByType) {
    StringBuffer email = new StringBuffer();

    email.append("<html>");
    email.append("<h2>Abnormal events</h2>");
    email.append("<h4>Detected between " + date0 + " and " + date1 + "</h4>");
    email.append("<br/>");

    email.append("<pre>");
    eventsByType.keySet().forEach(eventType -> {
        email.append(eventType.getSimpleName() + " (" + eventsByType.get(eventType).size() + ")\n\n");
        email.append(String.format("%-8s %-16s %-16s %-9s %-20s %-3s %-9s %-7s %-7s %-4s %-5s %-3s%n", "#",
                "BEGIN", "END", "MMSI", "NAME", "LOA", "TYPE", "LAT", "LON", "SOG", "COG", "HDG"));
        email.append(/*from   ww  w .j ava 2s .c o m*/
                "----------------------------------------------------------------------------------------------------------------------\n");
        eventsByType.get(eventType).forEach(event -> {
            Vessel vessel = event.getBehaviours().iterator().next().getVessel();
            TrackingPoint tp = event.getBehaviours().iterator().next().getTrackingPoints().last();
            email.append(String.format("%8d ", event.getId()));
            email.append(String.format("%16s ", DATE_FORMAT.format(event.getStartTime())));
            email.append(String.format("%16s ",
                    event.getEndTime() == null ? " " : DATE_FORMAT.format(event.getStartTime())));
            email.append(String.format("%9d ", vessel.getMmsi()));
            email.append(String.format("%-20s ", vessel.getName() == null ? "" : vessel.getName()));
            email.append(String.format("%3d ", vessel.getLength() == null ? -1 : vessel.getLength()));
            email.append(String
                    .format("%-9s ",
                            vessel.getType() == null ? ""
                                    : Categorizer.mapShipTypeCategoryToString(
                                            Categorizer.mapShipTypeToCategory(vessel.getType())))
                    .toUpperCase());
            email.append(String.format("%7.4f ", tp.getLatitude() == null ? Float.NaN : tp.getLatitude()));
            email.append(String.format("%7.4f ", tp.getLongitude() == null ? Float.NaN : tp.getLongitude()));
            email.append(String.format("%4.1f ",
                    tp.getSpeedOverGround() == null ? Float.NaN : tp.getSpeedOverGround()));
            email.append(String.format("%5.1f ",
                    tp.getCourseOverGround() == null ? Float.NaN : tp.getCourseOverGround()));
            email.append(
                    String.format("%3.0f ", tp.getTrueHeading() == null ? Float.NaN : tp.getTrueHeading()));
            email.append('\n');
        });
        email.append(
                "======================================================================================================================\n");
        email.append("\n");
    });
    email.append("\n");
    email.append("</pre>");
    email.append("</html>");

    return email.toString();
}

---

From source file:edu.ucsf.valelab.saim.RunTheFit.java

@Override
public void run() {
    // pre-populate arrays with angles in radians and in degrees
    final double[] anglesRadians = new double[ip_.getNSlices()];
    final double[] anglesDegrees = new double[ip_.getNSlices()];
    for (int i = 0; i < anglesRadians.length; i++) {
        double angle = sd_.firstAngle_ + i * sd_.angleStep_;
        anglesDegrees[i] = angle;/*from  ww  w.  j av  a  2s.  c om*/
        anglesRadians[i] = Math.toRadians(angle);
    }
    final ImageStack is = ip_.getImageStack();
    final int width = ip_.getWidth();
    final int height = ip_.getHeight();

    // create the fitter
    final SaimFunctionFitter sff = new SaimFunctionFitter(sd_.wavelength_, sd_.dOx_, sd_.nSample_, false);
    final SaimFunction sf = new SaimFunction(sd_);

    final int nrTries = sd_.heights_.length;
    Double[] r2s = new Double[nrTries];
    double[][] results = new double[nrTries][];

    // now cycle through the x/y pixels and fit each of them
    IntensityData observed = new IntensityData();
    IntensityData calculated = new IntensityData();
    int lastX = startX_ + numberX_;
    try {
        for (int x = startX_; x < lastX; x++) {
            for (int y = 0; y < height; y++) {
                if (stop_.get()) {
                    return;
                }

                float sum = 0.0f;
                float[] values = new float[ip_.getNSlices()];
                for (int i = 0; i < ip_.getNSlices(); i++) {
                    values[i] = is.getProcessor(i + 1).get(x, y);
                    sum += values[i];
                }

                // only calculate if the average pixel intensity is
                // above the threshold
                if ((sum / (float) values.length) > sd_.threshold_) {
                    observed.clear();
                    SaimUtils.organize(observed, sd_, values, anglesDegrees, anglesRadians);

                    for (int i = 0; i < nrTries; i++) {
                        try {
                            double[] guess = new double[] { sd_.A_, sd_.B_, sd_.heights_[i] };
                            sff.setGuess(guess);

                            results[i] = sff.fit(observed.getWeightedObservedPoints());

                            calculated.clear();
                            SaimUtils.predictValues(observed, calculated, results[i], sf);
                            try {
                                r2s[i] = SaimUtils.getRSquared(observed, calculated);
                            } catch (InvalidInputException ex) {
                                ij.IJ.log("Observed and Calculated datasets differe in size");
                            }
                        } catch (TooManyIterationsException tiex) {
                            for (int j = 0; j < 4; j++) {
                                fpOut_[j].setf(x, y, Float.NaN);
                            }
                            r2s[i] = 0.0;
                            ij.IJ.log("Failed to fit pixel " + x + ", " + y);
                        }
                    }
                    final int bestIndex = SaimUtils.getIndexOfMaxValue(r2s);
                    fpOut_[2].setf(x, y, (float) results[bestIndex][0]); // A
                    fpOut_[3].setf(x, y, (float) results[bestIndex][1]); // B
                    fpOut_[0].setf(x, y, (float) results[bestIndex][2]); // height
                    fpOut_[1].setf(x, y, (float) r2s[bestIndex].doubleValue());

                }
            }
            nrXProcessed_.getAndIncrement();
            synchronized (nrXProcessed_) {
                ij.IJ.showProgress(nrXProcessed_.get(), width);
            }
        }
    } catch (InvalidInputException ex) {
        ij.IJ.error("Saim Fit", ex.getMessage());
    }
}

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From source file:com.taobao.weex.dom.WXRecyclerDomObject.java

public void updateRecyclerAttr() {
    preCalculateCellWidth();/* ww w  . j av a  2s.co  m*/
    if (mColumnWidth == 0 && mColumnWidth == Float.NaN) {
        WXLogUtils.w("preCalculateCellWidth mColumnGap :" + mColumnGap + " mColumnWidth:" + mColumnWidth
                + " mColumnCount:" + mColumnCount);
        return;
    }
    int count = getChildCount();
    for (int i = 0; i < count; i++) {
        WXDomObject domObject = getChild(i);
        if (WXBasicComponentType.CELL.equals(domObject.getType())) {
            getChild(i).getStyles().put(Constants.Name.WIDTH, mColumnWidth);
        }
    }
}

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