Examples of shiftRight()


Examples of java.math.BigInteger.shiftRight()

    harness.check (x.shiftRight(0).toString(), x.toString());
    harness.check (x.shiftLeft(0).toString(), x.toString());

    x = new BigInteger ("50123044517898350982301255831878893568", 10);
    harness.check (x.shiftRight(64).toString(), "2717175687894652268");
    harness.check (x.shiftLeft(-64).toString(), "2717175687894652268");
    harness.check (x.shiftRight(1).toString(),
      "25061522258949175491150627915939446784");
    harness.check (x.shiftLeft(1).toString(),
      "100246089035796701964602511663757787136");
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Examples of java.math.BigInteger.shiftRight()

    harness.check (x.shiftLeft(0).toString(), x.toString());

    x = new BigInteger ("50123044517898350982301255831878893568", 10);
    harness.check (x.shiftRight(64).toString(), "2717175687894652268");
    harness.check (x.shiftLeft(-64).toString(), "2717175687894652268");
    harness.check (x.shiftRight(1).toString(),
      "25061522258949175491150627915939446784");
    harness.check (x.shiftLeft(1).toString(),
      "100246089035796701964602511663757787136");
  }
}
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Examples of java.math.BigInteger.shiftRight()

     * signifFloor the top SIGNIFICAND_BITS + 1.
     *
     * It helps to consider the real number signif = absX * 2^(SIGNIFICAND_BITS - exponent).
     */
    int shift = exponent - SIGNIFICAND_BITS - 1;
    long twiceSignifFloor = absX.shiftRight(shift).longValue();
    long signifFloor = twiceSignifFloor >> 1;
    signifFloor &= SIGNIFICAND_MASK; // remove the implied bit

    /*
     * We round up if either the fractional part of signif is strictly greater than 0.5 (which is
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Examples of java.math.BigInteger.shiftRight()

        boolean remainder;
        if (left.compareTo(right) < 0)
        {
            BigInteger sum = left.add(right);
            remainder = sum.testBit(0);
            midpoint = sum.shiftRight(1);
        }
        else
        {
            BigInteger max = TWO.pow(sigbits);
            // wrapping case
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Examples of java.math.BigInteger.shiftRight()

        {
            BigInteger max = TWO.pow(sigbits);
            // wrapping case
            BigInteger distance = max.add(right).subtract(left);
            remainder = distance.testBit(0);
            midpoint = distance.shiftRight(1).add(left).mod(max);
        }
        return Pair.create(midpoint, remainder);
    }

    public static int compareUnsigned(byte[] bytes1, byte[] bytes2, int offset1, int offset2, int len1, int len2)
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Examples of java.math.BigInteger.shiftRight()

        BigInteger oldRoot;
        BigInteger newRoot;
        BigInteger two = new BigInteger("2");

        BigInteger num = number;
        newRoot = num.shiftRight(num.bitLength() / 2);
        do {
            oldRoot = newRoot;
            newRoot = oldRoot.multiply(oldRoot).add(num).divide(oldRoot)
                    .divide(two);
        } while (newRoot.subtract(oldRoot).abs().compareTo(two) > 0);
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Examples of java.math.BigInteger.shiftRight()

        boolean remainder;
        if (left.compareTo(right) < 0)
        {
            BigInteger sum = left.add(right);
            remainder = sum.testBit(0);
            midpoint = sum.shiftRight(1);
        }
        else
        {
            BigInteger max = TWO.pow(sigbits);
            // wrapping case
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Examples of java.math.BigInteger.shiftRight()

        {
            BigInteger max = TWO.pow(sigbits);
            // wrapping case
            BigInteger distance = max.add(right).subtract(left);
            remainder = distance.testBit(0);
            midpoint = distance.shiftRight(1).add(left).mod(max);
        }
        return new Pair<BigInteger, Boolean>(midpoint, remainder);
    }

    /**
 
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Examples of java.math.BigInteger.shiftRight()

                   midpoint;

        if (l.compareTo(r) < 0)
        {
            BigInteger sum = l.add(r);
            midpoint = sum.shiftRight(1);
        }
        else // wrapping case
        {
            BigInteger max = BigInteger.valueOf(MAXIMUM);
            BigInteger min = BigInteger.valueOf(MINIMUM.token);
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Examples of java.math.BigInteger.shiftRight()

        boolean remainder;
        if (left.compareTo(right) < 0)
        {
            BigInteger sum = left.add(right);
            remainder = sum.testBit(0);
            midpoint = sum.shiftRight(1);
        }
        else
        {
            BigInteger max = TWO.pow(sigbits);
            // wrapping case
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