Example usage for java.lang Integer MIN

Introduction

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

Prototype

int MIN_VALUE

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

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Document

A constant holding the minimum value an int can have, -2³¹.

Usage

From source file:Main.java

public static int safeLongToInt(long l) throws IllegalArgumentException {
    if (l < Integer.MIN_VALUE || l > Integer.MAX_VALUE) {
        throw new IllegalArgumentException(l + " cannot be cast to int without changing its value.");
    }// www  .j  a  v a 2s  .  co  m
    return (int) l;
}

From source file:ardufocuser.starfocusing.Utils.java

/**
 * Calcula valores de luz maximos y minimos de la matriz imagen.
 *///from w ww .j  av a  2  s.c  o  m
public static int[] computeMinMax(int[][] pixels) {
    int min = Integer.MAX_VALUE;
    int max = Integer.MIN_VALUE;

    for (int x = 0; x < pixels.length; x++) {
        for (int y = 0; y < pixels[0].length; y++) {
            if (min > pixels[x][y]) {
                min = pixels[x][y];
            }
            if (max < pixels[x][y]) {
                max = pixels[x][y];
            }
        }
    }

    return new int[] { min, max };
}

From source file:Main.java

/**
 * Subtract two integers, checking for overflow.
 * /*from   ww  w .  j  a  v a  2  s . com*/
 * @param x the minuend
 * @param y the subtrahend
 * @return the difference <code>x-y</code>
 * @throws ArithmeticException if the result can not be represented as an
 *         int
 * @since 1.1
 */
public static int subAndCheck(int x, int y) {
    long s = (long) x - (long) y;
    if (s < Integer.MIN_VALUE || s > Integer.MAX_VALUE) {
        throw new ArithmeticException("overflow: subtract");
    }
    return (int) s;
}

From source file:Main.java

/**
 * Returns the version code of the application.
 *
 * @return The version code of the application.
 *//*www  .j  a  v a 2s .  c om*/
public static int getAppVersion(@NonNull final Context context) {
    try {
        final PackageInfo packageInfo = context.getPackageManager().getPackageInfo(context.getPackageName(), 0);
        return packageInfo.versionCode;
    } catch (PackageManager.NameNotFoundException ignore) {
        // ignore
    }

    return Integer.MIN_VALUE;
}

From source file:com.linkedin.pinot.perf.ForwardIndexWriterBenchmark.java

public static void convertRawToForwardIndex(File rawFile) throws Exception {
    List<String> lines = IOUtils.readLines(new FileReader(rawFile));
    int totalDocs = lines.size();
    int max = Integer.MIN_VALUE;
    int maxNumberOfMultiValues = Integer.MIN_VALUE;
    int totalNumValues = 0;
    int data[][] = new int[totalDocs][];
    for (int i = 0; i < lines.size(); i++) {
        String line = lines.get(i);
        String[] split = line.split(",");
        totalNumValues = totalNumValues + split.length;
        if (split.length > maxNumberOfMultiValues) {
            maxNumberOfMultiValues = split.length;
        }//  ww  w.j  a  v  a  2 s . c  om
        data[i] = new int[split.length];
        for (int j = 0; j < split.length; j++) {
            String token = split[j];
            int val = Integer.parseInt(token);
            data[i][j] = val;
            if (val > max) {
                max = val;
            }
        }
    }
    int maxBitsNeeded = (int) Math.ceil(Math.log(max) / Math.log(2));
    int size = 2048;
    int[] offsets = new int[size];
    int bitMapSize = 0;
    File outputFile = new File("output.mv.fwd");

    FixedBitMultiValueWriter fixedBitSkipListSCMVWriter = new FixedBitMultiValueWriter(outputFile, totalDocs,
            totalNumValues, maxBitsNeeded);

    for (int i = 0; i < totalDocs; i++) {
        fixedBitSkipListSCMVWriter.setIntArray(i, data[i]);
        if (i % size == size - 1) {
            MutableRoaringBitmap rr1 = MutableRoaringBitmap.bitmapOf(offsets);
            ByteArrayOutputStream bos = new ByteArrayOutputStream();
            DataOutputStream dos = new DataOutputStream(bos);
            rr1.serialize(dos);
            dos.close();
            // System.out.println("Chunk " + i / size + " bitmap size:" + bos.size());
            bitMapSize += bos.size();
        } else if (i == totalDocs - 1) {
            MutableRoaringBitmap rr1 = MutableRoaringBitmap.bitmapOf(Arrays.copyOf(offsets, i % size));
            ByteArrayOutputStream bos = new ByteArrayOutputStream();
            DataOutputStream dos = new DataOutputStream(bos);
            rr1.serialize(dos);
            dos.close();
            // System.out.println("Chunk " + i / size + " bitmap size:" + bos.size());
            bitMapSize += bos.size();
        }
    }
    fixedBitSkipListSCMVWriter.close();
    System.out.println("Output file size:" + outputFile.length());
    System.out.println("totalNumberOfDoc\t\t\t:" + totalDocs);
    System.out.println("totalNumberOfValues\t\t\t:" + totalNumValues);
    System.out.println("chunk size\t\t\t\t:" + size);
    System.out.println("Num chunks\t\t\t\t:" + totalDocs / size);
    int numChunks = totalDocs / size + 1;
    int totalBits = (totalNumValues * maxBitsNeeded);
    int dataSizeinBytes = (totalBits + 7) / 8;

    System.out.println("Raw data size with fixed bit encoding\t:" + dataSizeinBytes);
    System.out.println("\nPer encoding size");
    System.out.println();
    System.out.println("size (offset + length)\t\t\t:" + ((totalDocs * (4 + 4)) + dataSizeinBytes));
    System.out.println();
    System.out.println("size (offset only)\t\t\t:" + ((totalDocs * (4)) + dataSizeinBytes));
    System.out.println();
    System.out.println("bitMapSize\t\t\t\t:" + bitMapSize);
    System.out.println("size (with bitmap)\t\t\t:" + (bitMapSize + (numChunks * 4) + dataSizeinBytes));

    System.out.println();
    System.out.println("Custom Bitset\t\t\t\t:" + (totalNumValues + 7) / 8);
    System.out.println("size (with custom bitset)\t\t\t:"
            + (((totalNumValues + 7) / 8) + (numChunks * 4) + dataSizeinBytes));
}

From source file:Main.java

public static boolean isPosible(Rectangle2D.Double r) {
    if ((r.getMaxX() > Integer.MAX_VALUE) || (r.getMaxY() > Integer.MAX_VALUE)
            || (r.getMinX() < Integer.MIN_VALUE) || (r.getMinY() < Integer.MIN_VALUE)
            || (r.getWidth() > Integer.MAX_VALUE) || (r.getHeight() > Integer.MAX_VALUE)) {
        return false;
    }// w w w. jav a  2 s  . c o  m

    return true;
}

From source file:fr.shywim.antoinedaniel.utils.GcmUtils.java

public static String getRegistrationId(Context context) {
    final SharedPreferences prefs = context.getSharedPreferences(AppConstants.GOOGLE_PREFS,
            Context.MODE_PRIVATE);
    String registrationId = prefs.getString(AppConstants.GOOGLE_GCM_REGID, "");

    if (registrationId.isEmpty()) {
        return "";
    }/*w w w.j  a v a 2 s .c  o  m*/
    // Check if app was updated; if so, it must clear the registration ID
    // since the existing regID is not guaranteed to work with the new
    // app version.
    int registeredVersion = prefs.getInt(AppConstants.GOOGLE_GCM_APPVER, Integer.MIN_VALUE);
    int currentVersion = Utils.getAppVersion(context);
    if (registeredVersion != currentVersion) {
        return "";
    }
    return registrationId;
}

From source file:Main.java

/**
 * Multiply two integers, checking for overflow.
 * //from ww w  .  ja  v a2 s. c om
 * @param x a factor
 * @param y a factor
 * @return the product <code>x*y</code>
 * @throws ArithmeticException if the result can not be represented as an
 *         int
 * @since 1.1
 */
public static int mulAndCheck(int x, int y) {
    long m = ((long) x) * ((long) y);
    if (m < Integer.MIN_VALUE || m > Integer.MAX_VALUE) {
        throw new ArithmeticException("overflow: mul");
    }
    return (int) m;
}

From source file:net.sf.sprockets.sql.Statements.java

/**
 * Execute the query, get the int value in the first row and column of the result set, and close
 * the statement.//from   w  w w . j  a  v a  2s .  c o m
 * 
 * @param stmt
 *            must already have parameters set
 * @return {@link Integer#MIN_VALUE} if the result set is empty
 */
public static int firstInt(PreparedStatement stmt) throws SQLException {
    ResultSet rs = stmt.executeQuery();
    int i = rs.next() ? rs.getInt(1) : Integer.MIN_VALUE;
    stmt.close();
    return i;
}

From source file:com.home.ln_spring.ch5.lifecycle.SimpleBean.java

public void init() {
    System.out.println("Initialising bean (AGE " + Integer.MIN_VALUE + ")");
    if (name == null) {
        System.out.println("Using default name");
        name = DEFAULT_NAME;/*from  w w  w  . j  ava 2  s . co m*/
    }
    if (age == Integer.MIN_VALUE) {
        throw new IllegalArgumentException("You must set age property " + SimpleBean.class);
    }
}

Example usage for java.lang Integer MIN_VALUE

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