Example usage for java.lang Float isNaN

Introduction

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

Prototype

public static boolean isNaN(float v) 

Source Link

Document

Returns true if the specified number is a Not-a-Number (NaN) value, false otherwise.

Usage

From source file:net.myrrix.common.collection.FastByIDFloatMap.java

public void increment(long key, float delta) {
    Preconditions.checkArgument(key != KEY_NULL && key != REMOVED);
    int index = find(key);
    float currentValue = values[index];
    if (Float.isNaN(currentValue)) {
        put(key, delta);/*from w w w.  j a  v a  2s .  com*/
    } else {
        values[index] = currentValue + delta;
    }
}

---

From source file:com.tmall.wireless.tangram.view.BannerViewPager.java

protected void onMeasurePage(int widthMeasureSpec, int heightMeasureSpec) {
    View child = pagerAdapter.getViewAtPosition(getCurrentItem());
    if (child == null) {
        child = getChildAt(0);//w w w .  j ava 2  s.c  om
    }
    if (child == null) {
        return;
    }
    int childCount = getChildCount();

    for (int i = 0; i < childCount; i++) {
        View view = getChildAt(i);
        if ((view.getPaddingLeft() != itemMarginLeft || view.getPaddingTop() != itemMarginTop
                || view.getPaddingRight() != itemMarginRight || view.getPaddingBottom() != itemMarginBottom)) {
            view.setPadding(itemMarginLeft, itemMarginTop, itemMarginRight, itemMarginBottom);
        }
    }

    ViewGroup.LayoutParams lp = child.getLayoutParams();
    final int childWidthSpec = getChildMeasureSpec(widthMeasureSpec, 0, lp.width);
    final int childHeightSpec = getChildMeasureSpec(heightMeasureSpec, 0, lp.height);

    int childWidth = (int) ((MeasureSpec.getSize(childWidthSpec) - getPaddingLeft() - getPaddingRight())
            * pagerAdapter.getPageWidth(getCurrentItem()));
    int childHeight = 0;

    if (!Double.isNaN(itemRatio)) {
        int itemHeight = (int) (childWidth / itemRatio);
        for (int i = 0; i < childCount; i++) {
            View view = getChildAt(i);
            view.measure(MeasureSpec.makeMeasureSpec(childWidth, MeasureSpec.EXACTLY),
                    MeasureSpec.makeMeasureSpec(itemHeight, MeasureSpec.EXACTLY));
        }
    } else {
        for (int i = 0; i < childCount; i++) {
            View view = getChildAt(i);
            if (pagerAdapter.getPageWidth(getCurrentItem()) != 1) {
                view.measure(MeasureSpec.makeMeasureSpec(childWidth, MeasureSpec.EXACTLY),
                        MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED));
            } else {
                view.measure(childWidthSpec, childHeightSpec);
            }
        }
    }

    childWidth = itemMarginLeft + child.getMeasuredWidth() + itemMarginRight;
    childHeight = itemMarginTop + child.getMeasuredHeight() + itemMarginBottom;

    if (!Float.isNaN(ratio)) {
        heightMeasureSpec = MeasureSpec.makeMeasureSpec((int) (getMeasuredWidth() / ratio),
                MeasureSpec.EXACTLY);
        setMeasuredDimension(widthMeasureSpec, heightMeasureSpec);
        for (int i = 0; i < childCount; i++) {
            View view = getChildAt(i);
            view.measure(MeasureSpec.makeMeasureSpec(childWidth, MeasureSpec.EXACTLY), heightMeasureSpec);
        }
    } else {
        if (autoMeasureHeight) {
            constrainLength = MeasureSpec.makeMeasureSpec(childHeight, MeasureSpec.EXACTLY);
            setMeasuredDimension(getMeasuredWidth(), childHeight);
        }
    }

    if (!pagerAdapter.isEnableMultiScr()) {
        return;
    }

    int pageLength = getMeasuredWidth();

    final int childLength = child.getMeasuredWidth();

    // Check that the measurement was successful
    if (childLength > 0) {
        int difference = pageLength - childLength;
        if (getPageMargin() == 0) {
            setPageMargin(-difference);
        }
        int offscreen = (int) Math.ceil((float) pageLength / (float) childLength) + 1;
        setOffscreenPageLimit(offscreen);
        requestLayout();
    }
}

---

From source file:org.fhcrc.cpl.viewer.quant.gui.PanelWithLogRatioHistAndFields.java

/**
 * Set the log ratios, build the histogram and display, removing the old one if there was one.  Nothing gets
 * cleaned up related to the old chart; it'll just hang around intil GC
 * todo: do I need to dispose of the old chart in a better way?
 * @param logRatios//from w  w w  .jav  a  2s .  co m
 */
public void setLogRatios(List<Float> logRatios) {
    _log.debug("setLogRatios 1");
    if (logRatioHistogram != null) {
        remove(logRatioHistogram);
    }
    this.logRatios = logRatios;

    float minLogRatioBound = (float) Math.log(minRatioBound);
    float maxLogRatioBound = (float) Math.log(maxRatioBound);

    _log.debug("setLogRatios 2");

    List<Float> boundedLogRatios = new ArrayList<Float>(logRatios.size());
    for (float logRatio : logRatios)
        boundedLogRatios.add(Math.min(maxLogRatioBound, Math.max(minLogRatioBound, logRatio)));

    logRatioHistogram = new PanelWithHistogram(boundedLogRatios, "Log Ratios", 200);
    Dimension histDimension = new Dimension(300, 80);
    if (!Float.isNaN(domainCrosshairValue)) {
        logRatioHistogram.getChart().getXYPlot().setDomainCrosshairValue(domainCrosshairValue, true);
        logRatioHistogram.getChart().getXYPlot().setDomainCrosshairVisible(true);
    }

    _log.debug("setLogRatios 1");

    logRatioHistogram.setPreferredSize(histDimension);
    logRatioHistogram.getChart().removeLegend();
    logRatioHistogram.getChart().getXYPlot().getDomainAxis().setLowerBound(minLogRatioBound);
    logRatioHistogram.getChart().getXYPlot().getDomainAxis().setUpperBound(maxLogRatioBound);

    GridBagConstraints gbc = new GridBagConstraints();
    gbc.fill = GridBagConstraints.BOTH;
    gbc.anchor = GridBagConstraints.LINE_START;
    gbc.insets = new Insets(0, 0, 0, 0);
    gbc.weighty = 10;
    gbc.weightx = 1;
    gbc.gridwidth = GridBagConstraints.REMAINDER;
    add(logRatioHistogram, gbc);

    histMouseListener = new LogRatioHistMouseListener(logRatioHistogram);
    ChartPanel histChartPanel = logRatioHistogram.getChartPanel();
    histChartPanel.setMouseZoomable(false);
    logRatioHistogram.getChartPanel().addMouseListener(histMouseListener);
    logRatioHistogram.getChartPanel().addMouseMotionListener(histMouseListener);
    histMouseListener.addRangeUpdateListener(new LogRatioHistogramListener(this));

    logRatioHistogram.updateUI();
    //if there are specified minHigh and maxHigh values, and they're valid, draw the initially selected region
    if (minHighRatio > maxLowRatio && minHighRatio > 0 && maxLowRatio > 0)
        updateSelectedRegion();

    //remove axes from chart
    ((XYPlot) logRatioHistogram.getPlot()).getRangeAxis().setVisible(false);
    ((XYPlot) logRatioHistogram.getPlot()).getDomainAxis().setVisible(false);

    logRatioHistogram.updateUI();
}

---

From source file:com.tmall.wireless.tangram3.view.BannerViewPager.java

protected void onMeasurePage(int widthMeasureSpec, int heightMeasureSpec) {
    if (pagerAdapter == null) {
        return;// www . j  av  a 2 s.co  m
    }
    View child = pagerAdapter.getViewAtPosition(getCurrentItem());
    if (child == null) {
        child = getChildAt(0);
    }
    if (child == null) {
        return;
    }
    int childCount = getChildCount();

    for (int i = 0; i < childCount; i++) {
        View view = getChildAt(i);
        if ((view.getPaddingLeft() != itemMarginLeft || view.getPaddingTop() != itemMarginTop
                || view.getPaddingRight() != itemMarginRight || view.getPaddingBottom() != itemMarginBottom)) {
            view.setPadding(itemMarginLeft, itemMarginTop, itemMarginRight, itemMarginBottom);
        }
    }

    ViewGroup.LayoutParams lp = child.getLayoutParams();
    final int childWidthSpec = getChildMeasureSpec(widthMeasureSpec, 0, lp.width);
    final int childHeightSpec = getChildMeasureSpec(heightMeasureSpec, 0, lp.height);

    int childWidth = (int) ((MeasureSpec.getSize(childWidthSpec) - getPaddingLeft() - getPaddingRight())
            * pagerAdapter.getPageWidth(getCurrentItem()));
    int childHeight = 0;

    if (!Double.isNaN(itemRatio) || itemRatio != 0) {
        int itemHeight = (int) (childWidth / itemRatio);
        for (int i = 0; i < childCount; i++) {
            View view = getChildAt(i);
            view.measure(MeasureSpec.makeMeasureSpec(childWidth, MeasureSpec.EXACTLY),
                    MeasureSpec.makeMeasureSpec(itemHeight, MeasureSpec.EXACTLY));
        }
    } else {
        for (int i = 0; i < childCount; i++) {
            View view = getChildAt(i);
            if (pagerAdapter.getPageWidth(getCurrentItem()) != 1) {
                view.measure(MeasureSpec.makeMeasureSpec(childWidth, MeasureSpec.EXACTLY),
                        MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED));
            } else {
                view.measure(childWidthSpec, childHeightSpec);
            }
        }
    }

    childWidth = itemMarginLeft + child.getMeasuredWidth() + itemMarginRight;
    childHeight = itemMarginTop + child.getMeasuredHeight() + itemMarginBottom;

    if (!Float.isNaN(ratio)) {
        heightMeasureSpec = MeasureSpec.makeMeasureSpec((int) (getMeasuredWidth() / ratio),
                MeasureSpec.EXACTLY);
        setMeasuredDimension(widthMeasureSpec, heightMeasureSpec);
        for (int i = 0; i < childCount; i++) {
            View view = getChildAt(i);
            view.measure(MeasureSpec.makeMeasureSpec(childWidth, MeasureSpec.EXACTLY), heightMeasureSpec);
        }
    } else {
        if (autoMeasureHeight) {
            constrainLength = MeasureSpec.makeMeasureSpec(childHeight, MeasureSpec.EXACTLY);
            setMeasuredDimension(getMeasuredWidth(), childHeight);
        }
    }

    if (!pagerAdapter.isEnableMultiScr()) {
        return;
    }

    int pageLength = getMeasuredWidth();

    final int childLength = child.getMeasuredWidth();

    // Check that the measurement was successful
    if (childLength > 0) {
        int difference = pageLength - childLength;
        if (getPageMargin() == 0) {
            setPageMargin(-difference);
        }
        int offscreen = (int) Math.ceil((float) pageLength / (float) childLength) + 1;
        setOffscreenPageLimit(offscreen);
        requestLayout();
    }
}

---

From source file:savant.diff.DiffDataSource.java

/**
 * The number of records we return will be based on the first input.  In some cases,
 * the second input may not happen to have a point at the expected location, so
 * we may have to interpolate./*from   ww  w  .j  a v a 2s . c om*/
 * 
 * The data-sources are expected to return records in order, so we can count on that
 * to simplify our task.
 */
@Override
public List<ContinuousRecord> getRecords(String ref, RangeAdapter range, Resolution res,
        RecordFilterAdapter filter) throws InterruptedException, IOException {
    List<ContinuousRecord> result = null;
    if (inputsAttached()) {
        List<? extends ContinuousRecord> aRecords = inputA.getRecords(ref, range, res, filter);
        List<? extends ContinuousRecord> bRecords = inputB.getRecords(ref, range, res, filter);

        result = new ArrayList<ContinuousRecord>(aRecords.size());
        int j = 0;
        ContinuousRecord recB = bRecords.get(j);
        for (int i = 0; i < aRecords.size(); i++) {
            ContinuousRecord recA = aRecords.get(i);
            int pos = recA.getPosition();

            // Figure out which record in B corresponds to A.
            while (recB.getPosition() < pos && j + 1 < bRecords.size()) {
                j++;
                recB = bRecords.get(j);
            }

            // For the purposes of this demonstration, we'll treat NaNs as zero.
            float value = recA.getValue();
            if (Float.isNaN(value)) {
                value = 0.0f;
            }
            value -= interpolate(bRecords, j, pos);
            result.add(GenericContinuousRecord.valueOf(ref, pos, value));
        }
    }
    return result;
}

---

From source file:IdentityHashMap.java

/**
 * Constructs a new, empty map with the specified initial 
 * capacity and the specified load factor. 
 *
 * @param      initialCapacity   the initial capacity of the HashMap.
 * @param      loadFactor        the load factor of the HashMap
 * @throws     IllegalArgumentException  if the initial capacity is less
 *               than zero, or if the load factor is nonpositive.
 *///from w w w . j  ava2 s .c o m
public IdentityHashMap(int initialCapacity, float loadFactor) {
    if (initialCapacity < 0)
        throw new IllegalArgumentException("Illegal Initial Capacity: " + initialCapacity);
    if (loadFactor <= 0 || Float.isNaN(loadFactor))
        throw new IllegalArgumentException("Illegal Load factor: " + loadFactor);
    if (initialCapacity == 0)
        initialCapacity = 1;
    this.loadFactor = loadFactor;
    table = new Entry[initialCapacity];
    threshold = (int) (initialCapacity * loadFactor);
}

---

From source file:eu.itesla_project.modelica_export.records.LoadRecord.java

@Override
public void createRecord(ModExportContext modContext, DDBManager ddbManager, SimulatorInst simulator) {
    if (!Float.isNaN(this.busVoltage) && this.busConnected) {
        if (super.isCorrect()) {
            if (super.getModelicaType() != null)
                this.addValue(super.getModelicaType() + StaticData.WHITE_SPACE);
            else//from  w w w. j  a  v  a2 s .c  om
                this.addValue(DEFAULT_LOAD_TYPE + StaticData.WHITE_SPACE);
            this.addValue(super.getModelicaName());
            this.addValue(" (");
            this.addValue(StaticData.NEW_LINE);

            if (!iidmloadParameters.isEmpty()) {
                for (int i = 0; i < iidmloadParameters.size() - 1; i++) {
                    if (iidmloadParameters.get(i).getValue() != null) {
                        this.addValue("\t " + iidmloadParameters.get(i).getName() + " = "
                                + iidmloadParameters.get(i).getValue() + ",");
                    } else {
                        this.addValue("\t " + iidmloadParameters.get(i).getName() + ",");
                    }
                    this.addValue(StaticData.NEW_LINE);
                }
                this.addValue("\t " + iidmloadParameters.get(iidmloadParameters.size() - 1).getName() + " = "
                        + iidmloadParameters.get(iidmloadParameters.size() - 1).getValue());
                this.addValue(StaticData.NEW_LINE);
            } else if (!loadParameters.isEmpty()) {
                for (int i = 0; i < loadParameters.size() - 1; i++) {
                    this.addValue("\t " + loadParameters.get(i).getName() + " = "
                            + loadParameters.get(i).getValue() + ",");
                    this.addValue(StaticData.NEW_LINE);
                }
                this.addValue("\t " + loadParameters.get(loadParameters.size() - 1).getName() + " = "
                        + loadParameters.get(loadParameters.size() - 1).getValue());
                this.addValue(StaticData.NEW_LINE);
            }
            this.addValue("\t " + EurostagFixedData.ANNOT);

            //Clear data
            iidmloadParameters = null;
            loadParameters = null;
        } else
            _log.error(this.getModelicaName() + " not added to grid model.");
    } else {
        _log.warn("Load " + this.getModelicaName() + " disconnected.");
        this.addValue(StaticData.COMMENT + " Load " + this.getModelicaName() + " disconnected.");
    }
}

---

From source file:com.cloudera.oryx.als.computation.merge.MergeNewOldValuesFn.java

private void output(long userID, LongFloatMap oldPrefs, LongFloatMap newPrefs, LongSet removedItemIDs,
        Emitter<Pair<Long, NumericIDValue>> emitter) {
    // Old prefs may be null when there is no previous generation, for example, or the user is new.
    // First, write out existing prefs, possibly updated by new values
    if (oldPrefs != null && !oldPrefs.isEmpty()) {
        for (LongFloatMap.MapEntry entry : oldPrefs.entrySet()) {
            long itemID = entry.getKey();
            float oldPrefValue = entry.getValue();
            Preconditions.checkState(!Float.isNaN(oldPrefValue), "No prior pref value?");

            // May be NaN if no new data at all, or new data has no update:
            float sum = oldPrefValue;
            if (newPrefs != null) {
                float newPrefValue = newPrefs.get(itemID);
                if (!Float.isNaN(newPrefValue)) {
                    sum += newPrefValue;
                }//from  w ww . jav a  2  s . c om
            }

            boolean remove = false;
            if (removedItemIDs != null && removedItemIDs.contains(itemID)) {
                remove = true;
            } else if (FastMath.abs(sum) <= zeroThreshold) {
                remove = true;
            }

            if (!remove) {
                emitter.emit(Pair.of(userID, new NumericIDValue(itemID, sum)));
            }
        }
    }

    // Now output new data, that didn't exist in old prefs
    if (newPrefs != null && !newPrefs.isEmpty()) {
        for (LongFloatMap.MapEntry entry : newPrefs.entrySet()) {
            long itemID = entry.getKey();
            if (oldPrefs == null || !oldPrefs.containsKey(itemID)) {
                // It wasn't already written. If it exists in newPrefs, it's also not removed
                float newPrefValue = entry.getValue();
                if (FastMath.abs(newPrefValue) > zeroThreshold) {
                    emitter.emit(Pair.of(userID, new NumericIDValue(itemID, newPrefValue)));
                }
            }
        }
    }
}

---

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

@Override
public boolean isBoosted() {

    Float boost = getBoost();
    return boost != null && !Float.isNaN(boost);
}

---

From source file:com.qs.qswlw.view.Mypager.UltraViewPager.java

@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
    if (!Float.isNaN(ratio)) {
        int widthSize = MeasureSpec.getSize(widthMeasureSpec);
        heightMeasureSpec = MeasureSpec.makeMeasureSpec((int) (widthSize / ratio), MeasureSpec.EXACTLY);
    }/* ww w .  j  av  a2  s.  co  m*/
    size.set(MeasureSpec.getSize(widthMeasureSpec), MeasureSpec.getSize(heightMeasureSpec));
    if (maxWidth >= 0 || maxHeight >= 0) {
        maxSize.set(maxWidth, maxHeight);
        constrainTo(size, maxSize);
        widthMeasureSpec = MeasureSpec.makeMeasureSpec(size.x, MeasureSpec.EXACTLY);
        heightMeasureSpec = MeasureSpec.makeMeasureSpec(size.y, MeasureSpec.EXACTLY);
    }
    if (viewPager.getConstrainLength() > 0) {
        if (viewPager.getConstrainLength() == heightMeasureSpec) {
            viewPager.measure(widthMeasureSpec, heightMeasureSpec);
            setMeasuredDimension(size.x, size.y);
        } else {
            if (viewPager.getScrollMode() == ScrollMode.HORIZONTAL) {
                super.onMeasure(widthMeasureSpec, viewPager.getConstrainLength());
            } else {
                super.onMeasure(viewPager.getConstrainLength(), heightMeasureSpec);
            }
        }
    } else {
        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
    }
}

---

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