Example usage for java.lang Float MIN

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 float fmax(final float... values) {
    float max = Float.MIN_VALUE;
    for (final float v : values) {
        max = Math.max(v, max);/*from   ww w  . j av  a2 s .c  o m*/
    }
    return max;
}

From source file:Main.java

/**
 * Returns next smaller float value considering precision of the argument.
 * /*from   ww  w.j av a  2s . c  o m*/
 */
public static double nextDown(double d) {
    if (Double.isNaN(d) || d == Double.NEGATIVE_INFINITY) {
        return d;
    } else {
        if (d == 0.0f) {
            return -Float.MIN_VALUE;
        } else {
            return Double.longBitsToDouble(Double.doubleToRawLongBits(d) + ((d > 0.0f) ? -1 : +1));
        }
    }
}

From source file:Main.java

public static void getTop(float[] array, ArrayList<Integer> rankList, int i) {
    rankList.clear();/* w  ww.j  ava  2s  . com*/

    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 (!scanned.contains(no) && array[no] >= max) {
                index = no;
                max = array[no];
                flag = true;
            }
        }
        if (flag) { // found value
            scanned.add(index);
            rankList.add(index);
        }
    }
}

From source file:Main.java

public static void getTop(float[] array, ArrayList<Integer> rankList, int i) {
    rankList.clear();//from w  w w  .j  a va2s. c  o m

    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 (!scanned.contains(no) && array[no] >= max) {
                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 getTopNZ(float[] array, int[] counts, ArrayList<Integer> rankList,
        ArrayList<Float> rankProbs, int i, int threshold) {
    // clear/*from ww  w.  j a v a2s  .  co  m*/
    rankList.clear();
    rankProbs.clear();
    //
    int index = 0;
    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 (counts[no] >= threshold) {
                if (array[no] >= max && !rankList.contains(no)) {
                    index = no;
                    max = array[no];
                    flag = true;
                }
            }
        }
        if (flag) { // found value
            rankList.add(index);
            //            rankProbs.add(array[index]);
            rankProbs.add(counts[index] + 0.0f);
        }
        //System.out.println(m + "\t" + index);
    }
}

From source file:Main.java

private static float getFloatPreference(Context context, String key) {
    float value = -1;
    SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);
    if (preferences != null) {
        value = preferences.getFloat(key, Float.MIN_VALUE);
    }//from w ww.  ja  va2s.c  o  m
    return value;
}

From source file:Main.java

/**
 * Transform all array values from its current min, max range to a, b range
 *
 * @param array array to transform/*  ww  w .  ja  v  a 2s. c o  m*/
 * @param a     new minimum value of array
 * @param b     new maximum value of array
 * @return transformed array
 */
public static float[] linearTransform(float[] array, float a, float b) {
    /* determine current min, max values */
    float min = Float.MAX_VALUE;
    float max = Float.MIN_VALUE;
    for (int i = 0; i < array.length; i++) {
        if (array[i] < min)
            min = array[i];
        if (array[i] > max)
            max = array[i];
    }

    /* linear transformation of matrix values from [min,max] -> [a,b] */
    for (int i = 0; i < array.length; i++) {
        array[i] = a + (b - a) * (array[i] - min) / (max - min);
    }

    return array;
}

From source file:Main.java

/**
 * Retrieves a float value from preference manager. If no such key exists, it will return
 * <code>Float.MIN_VALUE</code>.
 *//*  w ww  .  j  av  a 2 s  .  c  o m*/
public static float getFloatFromPreference(Context context, String key) {
    SharedPreferences pref = PreferenceManager.getDefaultSharedPreferences(context);
    return pref.getFloat(key, Float.MIN_VALUE);
}

From source file:Main.java

/**
 * Saves a float value under the provided key in the preference manager. If <code>value</code>
 * is <code>Float.MIN_VALUE</code>, then the provided key will be removed from the preferences.
 *//*w  w  w .  java 2 s. c  om*/
public static void saveFloatToPreference(Context context, String key, float value) {
    SharedPreferences pref = PreferenceManager.getDefaultSharedPreferences(context);
    if (Float.MIN_VALUE == value) {
        // we want to remove
        pref.edit().remove(key).apply();
    } else {
        pref.edit().putFloat(key, value).apply();
    }

}

From source file:Main.java

protected static Object[] createWrappedLine(String block, Paint paint, float spaceOffset, float maxWidth) {
    float cacheWidth = maxWidth;
    float origMaxWidth = maxWidth;

    String line = "";

    for (String word : block.split("\\s")) {
        cacheWidth = paint.measureText(word);
        maxWidth -= cacheWidth;//from   w w w  .  j  a  v  a2s  .  com

        if (maxWidth <= 0) {
            return new Object[] { line, maxWidth + cacheWidth + spaceOffset };
        }

        line += word + " ";
        maxWidth -= spaceOffset;

    }

    if (paint.measureText(block) <= origMaxWidth) {
        return new Object[] { block, Float.MIN_VALUE };
    }

    return new Object[] { line, maxWidth };
}

Example usage for java.lang Float MIN_VALUE

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