Example usage for java.math BigInteger setBit

Introduction

In this page you can find the example usage for java.math BigInteger setBit.

Prototype

public BigInteger setBit(int n) 

Source Link

Document

Returns a BigInteger whose value is equivalent to this BigInteger with the designated bit set.

Usage

From source file:Main.java

public static void main(String[] argv) throws Exception {
    byte[] bytes = new byte[] { 0x1, 0x00, 0x00 };
    BigInteger bi = new BigInteger(bytes);
    bi = bi.setBit(3);

}

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From source file:Main.java

public static void main(String[] args) {

    BigInteger bi1 = new BigInteger("7");

    // perform setbit operation on bi1 using index 3
    BigInteger bi2 = bi1.setBit(3);

    System.out.println(bi2);//from  w  w  w . java 2s.c om
}

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From source file:Main.java

public static BigInteger sumRights(int[] rights) {
    BigInteger num = new BigInteger("0");
    for (int i = 0; i < rights.length; i++) {
        num = num.setBit(rights[i]);
    }/*from   w ww . j  a v  a  2s .  co m*/
    return num;
}

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From source file:Main.java

public static BigInteger sumRights(String[] rights) {
    BigInteger num = new BigInteger("0");
    for (int i = 0; i < rights.length; i++) {
        num = num.setBit(Integer.parseInt(rights[i]));
    }//from  ww  w.  ja va  2  s .  com
    return num;
}

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From source file:com.artivisi.iso8583.Message.java

public void calculateBitmap() {
    LOGGER.debug("Number of active Data Element [{}]", dataElementContent.size());
    BigInteger bitmap = BigInteger.ZERO.setBit(128);
    for (Integer de : dataElementContent.keySet()) {
        LOGGER.debug("Set active flag for Data Element [{}]", de);
        if (de > 64) {
            bitmap = bitmap.setBit(128 - 1);
        }/*from w  w w  .ja va 2  s .  c o m*/
        bitmap = bitmap.setBit(128 - de);
    }
    LOGGER.debug("Final bitmap bin : [{}]", bitmap.toString(2).substring(1));
    LOGGER.debug("Final bitmap hex : [{}]", bitmap.toString(16).substring(1));
    setPrimaryBitmapStream(StringUtils.rightPad(bitmap.toString(16).substring(1, 16), 16, "0"));
    if (bitmap.testBit(128 - 1)) {
        setSecondaryBitmapStream(StringUtils.rightPad(bitmap.toString(16).substring(17), 16, "0"));
    }
}

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From source file:com.google.uzaygezen.core.LongBitVector.java

@Override
public BigInteger toBigInteger() {
    final BigInteger result;
    if (data >= 0) {
        result = BigInteger.valueOf(data);
    } else {/*w w w  . j ava2 s  .  co  m*/
        BigInteger missingLowestBit = BigInteger.valueOf(data >>> 1).shiftLeft(1);
        if ((data & 1) == 1) {
            result = missingLowestBit.setBit(0);
        } else {
            result = missingLowestBit;
        }
    }
    return result;
}

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From source file:com.google.uzaygezen.core.BitVectorTest.java

private void checkCopyFromToBigInteger(Function<Integer, BitVector> factory) {
    for (int j = 0; j < 128; j++) {
        BitVector b = factory.apply(j);/*from   w  w w . j  a va  2  s .c  o m*/
        boolean[] bits = new boolean[b.size()];
        for (int k = 0; k < b.size(); ++k) {
            bits[k] = random.nextBoolean();
        }
        BigInteger expected = BigInteger.ZERO;
        for (int k = 0; k < b.size(); ++k) {
            b.set(k, bits[k]);
            if (bits[k]) {
                expected = expected.setBit(k);
            }
        }
        Assert.assertEquals(expected, b.toBigInteger());
        BitVector revived = factory.apply(j);
        revived.copyFrom(expected);
        Assert.assertEquals(b, revived);
    }
}

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From source file:org.openhab.binding.ulux.internal.ump.messages.ActivateMessage.java

@Override
protected void addData(final ByteBuffer buffer) {
    BigInteger flags = BigInteger.valueOf(0);

    if (isActive()) {
        flags = flags.setBit(0);
    } else {//  w  w w . ja  v  a  2  s  .co m
        flags = flags.setBit(1);
    }

    // flags
    buffer.put(flags.byteValue());

    // reserved
    buffer.put((byte) 0x00);
}

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From source file:org.openhab.binding.ulux.internal.ump.messages.AudioStopMessage.java

@Override
protected void addData(final ByteBuffer buffer) {
    BigInteger flags = BigInteger.valueOf(0);

    if (stopNormal) {
        flags = flags.setBit(0);
    }//  www .j  a va  2s. c o  m
    if (stopAlarm) {
        flags = flags.setBit(1);
    }

    // flags
    buffer.put(flags.byteValue());

    // reserved
    buffer.put((byte) 0x00);
}

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From source file:org.openhab.binding.ulux.internal.ump.messages.ControlMessage.java

@Override
protected void addData(final ByteBuffer buffer) {
    BigInteger controlFlags = BigInteger.valueOf(0);

    // TODO this.lockMode
    // TODO this.backgroundLight

    if (this.i2cPlugAndPlay) {
        controlFlags = controlFlags.setBit(31);
    }//from   ww w. j a  va 2 s . c om
    if (this.i2cHumidityChangeRequest) {
        controlFlags = controlFlags.setBit(25);
    }
    if (this.i2cTemperatureChangeRequest) {
        controlFlags = controlFlags.setBit(24);
    }
    if (this.motionSensorChangeRequest) {
        controlFlags = controlFlags.setBit(11);
    }
    if (this.keepAlive) {
        controlFlags = controlFlags.setBit(10);
    }
    if (this.changeFilter) {
        controlFlags = controlFlags.setBit(9);
    }
    if (this.frameAcknowledgement) {
        controlFlags = controlFlags.setBit(8);
    }
    if (this.volumeChangeRequest) {
        controlFlags = controlFlags.setBit(5);
    }
    if (this.pageChangeRequest) {
        controlFlags = controlFlags.setBit(4);
    }
    if (this.audioActiveChangeRequest) {
        controlFlags = controlFlags.setBit(3);
    }
    if (this.displayActiveChangeRequest) {
        controlFlags = controlFlags.setBit(2);
    }
    if (this.proximitySensorChangeRequest) {
        controlFlags = controlFlags.setBit(1);
    }
    if (this.lightSensorChangeRequest) {
        controlFlags = controlFlags.setBit(0);
    }

    buffer.putInt(controlFlags.intValue());
}

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