Example usage for java.lang Float MIN_VALUE

Introduction

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

Prototype

float MIN_VALUE

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

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Document

A constant holding the smallest positive nonzero value of type float , 2^-149.

Usage

From source file:Main.java

public static void getTop(float[] array, ArrayList<Integer> rankList, ArrayList<Float> rankProbs, int i) {
    // clear/*from   ww  w  .  j  a  v a  2s  . c o m*/
    rankList.clear();
    rankProbs.clear();
    //
    int index = 0;
    int count = 0;
    HashSet<Integer> scanned = new HashSet<Integer>();
    float max = Float.MIN_VALUE;
    for (int m = 0; m < i && m < array.length; m++) {
        boolean flag = false;
        max = Float.MIN_VALUE;
        for (int no = 0; no < array.length; no++) {
            if (array[no] >= max && !scanned.contains(no)) {
                index = no;
                max = array[no];
                flag = true;
            }
        }
        if (flag) { // found value
            scanned.add(index);
            rankList.add(index);
            rankProbs.add(array[index]);
        }
        //System.out.println(m + "\t" + index);
    }
}

---

From source file:Main.java

public static void getTop(float[] array, ArrayList<Integer> rankList, ArrayList<Float> rankProbs, int i) {
    // clear//from ww  w .j  a  v a  2  s  .c  om
    rankList.clear();
    rankProbs.clear();
    //
    int index = 0;
    HashSet<Integer> scanned = new HashSet<Integer>();
    float max = Float.MIN_VALUE;
    for (int m = 0; m < i && m < array.length; m++) {
        boolean flag = false;
        max = Float.MIN_VALUE;
        for (int no = 0; no < array.length; no++) {
            if (array[no] >= max && !scanned.contains(no)) {
                index = no;
                max = array[no];
                flag = true;
            }
        }
        if (flag) { // found value
            scanned.add(index);
            rankList.add(index);
            rankProbs.add(array[index]);
        }
        // System.out.println(m + "\t" + index);
    }
}

---

From source file:pl.edu.icm.coansys.disambiguation.clustering.strategies.TestHelper.java

public static float[][] readResourceToFloatArray(String path) throws IOException {
    InputStream is = CompleteLinkageHACStrategy_StateOfTheArtTest.class.getClassLoader()
            .getResourceAsStream(path);//from  ww  w . j a v  a2 s . co m
    String indata = IOUtils.toString(is);

    float maxFloat = Float.MIN_VALUE;
    String[] testLines = indata.split("\n");
    for (String s : testLines) {
        String[] numbers = s.split(",");
        for (String n : numbers) {
            float f = Float.parseFloat(n);
            maxFloat = Math.max(maxFloat, f);
        }
    }

    // System.out.println("============ "+maxFloat);

    String[] lines = indata.split("\n");
    float[][] in = new float[lines.length][];
    for (int i = 0; i < lines.length; i++) {
        String line = lines[i];
        String[] values = line.split(",");

        float[] distLine = new float[i];
        for (int j = 0; j < i; j++) {
            distLine[j] = /* maxFloat- */Float.parseFloat(values[j]);
        }
        in[i] = distLine;
    }
    return in;
}

---

From source file:qtiscoringengine.AreaMapping.java

static AreaMapping fromXML(Element node, XmlNamespaceManager nsmgr, ValidationLog log) throws Exception {
    if (node == null)
        return null;

    String defVal = node.getAttributeValue("defaultValue"); // required!
    String upper = node.getAttributeValue("upperBound");
    String lower = node.getAttributeValue("lowerBound");

    _Ref<Float> fDefault = new _Ref<>(Float.MIN_VALUE);
    _Ref<Float> fUpper = new _Ref<>(Float.MAX_VALUE);
    _Ref<Float> fLower = new _Ref<>(Float.MIN_VALUE);

    if (!JavaPrimitiveUtils.floatTryParse(defVal, fDefault)) { // this is
                                                               // required
        log.addMessage(node, "Could not parse float value for defaultValue. Value attempted: '" + defVal + "'");
        fDefault.set(Float.MIN_VALUE);
    }//  w w  w  .  j  a  v  a  2 s .com

    if (!StringUtils.isEmpty(upper))
        if (!JavaPrimitiveUtils.floatTryParse(upper, fUpper))
            log.addMessage(node,
                    "Could not parse float value for upperBound. Value attempted: '" + upper + "'");
    if (!StringUtils.isEmpty(lower))
        if (!JavaPrimitiveUtils.floatTryParse(lower, fLower))
            log.addMessage(node,
                    "Could not parse float value for lowerBound. Value attempted: '" + lower + "'");

    List<Element> entries = new XmlElement(node).selectNodes(QTIXmlConstants.AreaMapEntry, nsmgr);
    List<AreaMapEntry> entryList = new ArrayList<AreaMapEntry>();

    for (Element me : entries) {
        AreaMapEntry e = AreaMapEntry.fromXML(me, nsmgr, log);
        if (e != null)
            entryList.add(e);
    }

    return new AreaMapping(entryList, fDefault.get(), fUpper.get(), fLower.get(), node);
}

---

From source file:Main.java

public static final double[] realSymetricMatrix2x2(final double ixx, final double iyy, final double ixy) {
    // Matrix: [ Ixx Ixy ; Ixy Iyy ];

    final double term = Math.sqrt((ixx - iyy) * (ixx - iyy) + 4 * ixy * ixy);

    final double mu_1 = 0.5 * (ixx + iyy + term);
    final double mu_2 = 0.5 * (ixx + iyy - term);

    if (Math.abs(iyy) > Float.MIN_VALUE) {

        final double cos = 2 * ixy;
        final double sin = iyy - ixx + term;
        final double norm = Math.sqrt(cos * cos + sin * sin);
        if (norm > Float.MIN_VALUE) {
            return new double[] { mu_1, mu_2, cos / norm, sin / norm };
        }//from   w  w  w. j  a v a2  s. co  m

    }

    // Edge case logic

    // NB BDZ - cosAlpha and sinAlpha edge cases determined by comparing
    // Float.MIN_VALUE cases to values near it to see trend lines.

    double cosAlpha;
    double sinAlpha;

    // default cosAlpha and sinAlpha

    if (ixx < 0) {
        cosAlpha = 0;
        sinAlpha = 1;
    } else if (iyy >= 0) {
        if (ixy >= 0) {
            cosAlpha = 1;
            sinAlpha = 0;
        } else { // ixy < 0
            cosAlpha = -1;
            sinAlpha = 0;
        }
    } else { // iyy < 0
        if (ixy >= 0) {
            cosAlpha = 1;
            sinAlpha = 0;
        } else { // ixy < 0
            cosAlpha = -1;
            sinAlpha = 0;
        }
    }

    return new double[] { mu_1, mu_2, cosAlpha, sinAlpha };

}

---

From source file:Main.java

public static void getTop(float[] array, ArrayList<Integer> rankList, int i) {
    int index = 0;
    int count = 0;
    HashSet<Integer> scanned = new HashSet<Integer>();
    float max = Float.MIN_VALUE;
    for (int m = 0; m < i && m < array.length; m++) {
        max = Float.MIN_VALUE;//from  ww w  .  j a  v a2 s.co  m
        for (int no = 0; no < array.length; no++) {
            if (array[no] >= max && !scanned.contains(no)) {
                index = no;
                max = array[no];
            }
        }
        scanned.add(index);
        rankList.add(index);
        //System.out.println(m + "\t" + index);
    }
}

---

From source file:qtiscoringengine.VariableMapping.java

static VariableMapping fromXML(Element node, BaseType bt, XmlNamespaceManager nsmgr, ValidationLog log) {
    if (node == null)
        return null;

    String defVal = node.getAttributeValue("defaultValue"); // required!
    String upper = node.getAttributeValue("upperBound");
    String lower = node.getAttributeValue("lowerBound");

    _Ref<Float> fDefault = new _Ref<>(Float.MIN_VALUE);
    _Ref<Float> fUpper = new _Ref<>(Float.MAX_VALUE);
    _Ref<Float> fLower = new _Ref<>(Float.MIN_VALUE);

    if (!JavaPrimitiveUtils.floatTryParse(defVal, fDefault))// this is required
                                                            // so return null
                                                            // if it fails
    {//w  w w.  j  av a  2s . c o  m
        log.addMessage(node, "Could not parse float value for defaultValue. Value attempted: '" + defVal + "'");
        fDefault.set(Float.MIN_VALUE);
    }
    if (!StringUtils.isEmpty(upper))
        if (!JavaPrimitiveUtils.floatTryParse(upper, fUpper))
            log.addMessage(node,
                    "Could not parse float value for upperBound. Value attempted: '" + upper + "'");
    if (!StringUtils.isEmpty(lower))
        if (!JavaPrimitiveUtils.floatTryParse(lower, fLower))
            log.addMessage(node,
                    "Could not parse float value for lowerBound. Value attempted: '" + lower + "'");

    // XmlNodeList entries = node.SelectNodes("qti:mapEntry",nsmgr);
    List<Element> entries = new XmlElement(node).selectNodes("qti:mapEntry", nsmgr);
    List<VariableMapEntry> entryList = new ArrayList<VariableMapEntry>();

    for (Element me : entries) {
        VariableMapEntry e = VariableMapEntry.FromXML(me, bt, log);
        if (e != null)
            entryList.add(e);
    }

    return new VariableMapping(entryList, fDefault.get(), fUpper.get(), fLower.get(), node);
}

---

From source file:com.opengamma.maths.lowlevelapi.functions.utilities.Max.java

/**
 * Returns the maximum value in data//from   w ww . j  a v  a  2s.  com
 * @param data the data to search
 * @return max, the maximum
 */
public static float value(float... data) {
    Validate.notNull(data);
    float max = Float.MIN_VALUE;
    final int n = data.length;
    for (int i = 0; i < n; i++) {
        if (data[i] > max) {
            max = data[i];
        }
    }
    return max;
}

---

From source file:fr.immotronic.ubikit.pems.enocean.impl.item.data.EEP0702xxDataImpl.java

public static EEP0702xxDataImpl constructDataFromRecord(JSONObject lastKnownData) {
    if (lastKnownData == null)
        return new EEP0702xxDataImpl(Float.MIN_VALUE, null);

    try {/*from   w w w.ja v a  2  s. co  m*/
        float temperature = (float) lastKnownData.getDouble("temperature");
        Date date = new Date(lastKnownData.getLong("date"));

        return new EEP0702xxDataImpl(temperature, date);
    } catch (JSONException e) {
        Logger.error(LC.gi(), null,
                "constructDataFromRecord(): An exception while building a sensorData from a JSONObject SHOULD never happen. Check the code !",
                e);
        return new EEP0702xxDataImpl(Float.MIN_VALUE, null);
    }
}

---

From source file:Main.java

/**
 * Fills the array with random floats.  Values will be between min (inclusive) and
 * max (inclusive)./*  w ww. ja va  2s . c  o  m*/
 */
public static void genRandomFloats(long seed, float min, float max, float array[], boolean includeExtremes) {
    Random r = new Random(seed);
    int minExponent = Math.min(Math.getExponent(min), 0);
    int maxExponent = Math.max(Math.getExponent(max), 0);
    if (minExponent < -6 || maxExponent > 6) {
        // Use an exponential distribution
        int exponentDiff = maxExponent - minExponent;
        for (int i = 0; i < array.length; i++) {
            float mantissa = r.nextFloat();
            int exponent = minExponent + r.nextInt(maxExponent - minExponent);
            int sign = (min >= 0) ? 1 : 1 - r.nextInt(2) * 2; // -1 or 1
            float rand = sign * mantissa * (float) Math.pow(2.0, exponent);
            if (rand < min || rand > max) {
                continue;
            }
            array[i] = rand;
        }
    } else {
        // Use a linear distribution
        for (int i = 0; i < array.length; i++) {
            float rand = r.nextFloat();
            array[i] = min + rand * (max - min);
        }
    }
    // Seed a few special numbers we want to be sure to test.
    for (int i = 0; i < sInterestingDoubles.length; i++) {
        float f = (float) sInterestingDoubles[i];
        if (min <= f && f <= max) {
            array[r.nextInt(array.length)] = f;
        }
    }
    array[r.nextInt(array.length)] = min;
    array[r.nextInt(array.length)] = max;
    if (includeExtremes) {
        array[r.nextInt(array.length)] = Float.NaN;
        array[r.nextInt(array.length)] = Float.POSITIVE_INFINITY;
        array[r.nextInt(array.length)] = Float.NEGATIVE_INFINITY;
        array[r.nextInt(array.length)] = Float.MIN_VALUE;
        array[r.nextInt(array.length)] = Float.MIN_NORMAL;
        array[r.nextInt(array.length)] = Float.MAX_VALUE;
        array[r.nextInt(array.length)] = -Float.MIN_VALUE;
        array[r.nextInt(array.length)] = -Float.MIN_NORMAL;
        array[r.nextInt(array.length)] = -Float.MAX_VALUE;
    }
}

---

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