Example usage for java.math BigInteger negate

Introduction

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

Prototype

public BigInteger negate() 

Source Link

Document

Returns a BigInteger whose value is (-this) .

Usage

From source file:Main.java

public static void main(String[] argv) throws Exception {
    BigInteger bi1 = new BigInteger("1234567890123456890");

    bi1 = bi1.negate();

}

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From source file:Main.java

public static void main(String[] args) {

    BigInteger bi1 = new BigInteger("20");

    // assign negate value of bi1 to bi2
    BigInteger bi2 = bi1.negate();

    System.out.println(bi2);//from ww  w .  j a  va 2  s  .  c om
}

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From source file:Main.java

public static void main(String[] argv) throws Exception {
    BigInteger bi1 = new BigInteger("1234567890123456890");
    BigInteger bi2 = BigInteger.valueOf(123L);

    bi1 = bi1.multiply(bi2);/*  w  ww .ja v  a  2 s . c  o m*/

    bi1 = bi1.subtract(bi2);

    bi1 = bi1.divide(bi2);

    bi1 = bi1.negate();

}

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From source file:Main.java

public static void main(String[] argv) throws Exception {
    // Create via a string
    BigInteger bi1 = new BigInteger("1234567890123456890");

    // Create via a long
    BigInteger bi2 = BigInteger.valueOf(123L);

    bi1 = bi1.add(bi2);//from ww  w.j  av  a  2 s . c o m
    bi1 = bi1.multiply(bi2);
    bi1 = bi1.subtract(bi2);
    bi1 = bi1.divide(bi2);
    bi1 = bi1.negate();
    int exponent = 2;
    bi1 = bi1.pow(exponent);

}

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From source file:Main.java

public static void main(String[] args) {
    BigInteger numberA = new BigInteger("98765432123456789");
    BigInteger numberB = BigInteger.TEN;

    numberA = numberA.add(numberB);/* w w  w  .ja  v a  2  s .c om*/
    System.out.println("numberA = " + numberA);

    numberA = numberA.multiply(numberB);
    System.out.println("numberA = " + numberA);

    numberA = numberA.subtract(numberB);
    System.out.println("numberA = " + numberA);

    numberA = numberA.divide(numberB);
    System.out.println("numberA = " + numberA);

    numberA = numberA.mod(numberB);
    System.out.println("numberA = " + numberA);

    numberA = numberA.pow(2);
    System.out.println("numberA = " + numberA);

    numberA = numberA.negate();
    System.out.println("numberA = " + numberA);
}

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From source file:com.examples.with.different.packagename.ClassNumberUtils.java

public static BigInteger createBigInteger(final String str) {
    if (str == null) {
        return null;
    }//from   w ww  .  j a v a 2s.co  m
    int pos = 0; // offset within string
    int radix = 10;
    boolean negate = false; // need to negate later?
    if (str.startsWith("-")) {
        negate = true;
        pos = 1;
    }
    if (str.startsWith("0x", pos) || str.startsWith("0X", pos)) { // hex
        radix = 16;
        pos += 2;
    } else if (str.startsWith("#", pos)) { // alternative hex (allowed by Long/Integer)
        radix = 16;
        pos++;
    } else if (str.startsWith("0", pos) && str.length() > pos + 1) { // octal; so long as there are additional digits
        radix = 8;
        pos++;
    } // default is to treat as decimal

    final BigInteger value = new BigInteger(str.substring(pos), radix);
    return negate ? value.negate() : value;
}

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From source file:NumberUtils.java

/**
 * Decode a {@link java.math.BigInteger} from a {@link String} value.
 * Supports decimal, hex and octal notation.
 * @see BigInteger#BigInteger(String, int)
 *///from w w w.j a  v a2  s .  com
private static BigInteger decodeBigInteger(String value) {
    int radix = 10;
    int index = 0;
    boolean negative = false;

    // Handle minus sign, if present.
    if (value.startsWith("-")) {
        negative = true;
        index++;
    }

    // Handle radix specifier, if present.
    if (value.startsWith("0x", index) || value.startsWith("0X", index)) {
        index += 2;
        radix = 16;
    } else if (value.startsWith("#", index)) {
        index++;
        radix = 16;
    } else if (value.startsWith("0", index) && value.length() > 1 + index) {
        index++;
        radix = 8;
    }

    BigInteger result = new BigInteger(value.substring(index), radix);
    return (negative ? result.negate() : result);
}

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From source file:com.livinglogic.ul4.FunctionFormat.java

public static String call(BigInteger obj, String formatString, Locale locale) {
    IntegerFormat format = new IntegerFormat(formatString);

    if (locale == null)
        locale = Locale.ENGLISH;//  w w  w .j a  v  a 2  s. c om

    String output = null;

    boolean neg = obj.signum() < 0;
    if (neg)
        obj = obj.negate();

    switch (format.type) {
    case 'b':
        output = obj.toString(2);
        break;
    case 'c':
        if (neg || obj.compareTo(new BigInteger("65535")) > 0)
            throw new RuntimeException("value out of bounds for c format");
        output = Character.toString((char) obj.intValue());
        break;
    case 'd':
        output = obj.toString();
        break;
    case 'o':
        output = obj.toString(8);
        break;
    case 'x':
        output = obj.toString(16);
        break;
    case 'X':
        output = obj.toString(16).toUpperCase();
        break;
    case 'n':
        // FIXME: locale formatting
        output = obj.toString();
        break;
    }
    return formatIntegerString(output, neg, format);
}

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From source file:cc.redberry.core.number.Numeric.java

@Override
public Numeric subtract(BigInteger bg) {
    return add(bg.negate());
}

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From source file:cc.redberry.core.number.Complex.java

@Override
public Complex pow(BigInteger exponent) {
    if (exponent.compareTo(BigInteger.ZERO) < 0)
        return reciprocal().pow(exponent.negate());

    Complex result = Complex.ONE;//from w ww . ja v  a2  s.c  om
    Complex k2p = this;
    while (!BigInteger.ZERO.equals(exponent)) {
        if (exponent.testBit(0))
            result = result.multiply(k2p);

        k2p = k2p.multiply(k2p);
        exponent = exponent.shiftRight(1);
    }

    return result;
}

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