List of bitLength() Examples

Examples of bitLength()

com.ericsson.otp.erlang.OtpErlangLong.bitLength()
Returns the number of bits in the minimal two's-complement representation of this BigInteger, excluding a sign bit. @return number of bits in the minimal two's-complement representation ofthis BigInteger, excluding a sign bit.
java.math.BigInteger.bitLength()
Calculate bitlength of contents of the first len elements an int array, assuming there are no leading zero ints.
net.i2p.util.NativeBigInteger.bitLength()
org.bouncycastle.crypto.params.ParametersWithRandom.bitLength()
org.bouncycastle2.crypto.params.ParametersWithRandom.bitLength()

Examples of java.math.BigInteger.bitLength()

        if (h.radix != 10) {
            if (number.bitLength() > 64) {
                throw new NumberFormatException(literal);
            }
        } else {
            if (number.bitLength() > 63 && !number.equals(MAX_LONG)) {
                throw new NumberFormatException(literal);
            }
        }
        return number.longValue();
    }

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Examples of java.math.BigInteger.bitLength()

        int tmodd1 = t.mod(BigInteger.valueOf(d1)).intValue();
        int d2 = (tmodd1==0)?d1:ArithmeticUtils.gcd(tmodd1, d1);


        // result is (t/d2) / (u'/d1)(v'/d2)
        BigInteger w = t.divide(BigInteger.valueOf(d2));
        if (w.bitLength() > 31) {
            throw new MathArithmeticException(LocalizedFormats.NUMERATOR_OVERFLOW_AFTER_MULTIPLY,
                                              w);
        }
        return new Fraction (w.intValue(),
                ArithmeticUtils.mulAndCheck(denominator/d1,

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Examples of java.math.BigInteger.bitLength()

        int tmodd1 = t.mod(BigInteger.valueOf(d1)).intValue();
        int d2 = (tmodd1==0)?d1:ArithmeticUtils.gcd(tmodd1, d1);


        // result is (t/d2) / (u'/d1)(v'/d2)
        BigInteger w = t.divide(BigInteger.valueOf(d2));
        if (w.bitLength() > 31) {
            throw new MathArithmeticException(LocalizedFormats.NUMERATOR_OVERFLOW_AFTER_MULTIPLY,
                                              w);
        }
        return new Fraction (w.intValue(),
                ArithmeticUtils.mulAndCheck(denominator/d1,

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Examples of java.math.BigInteger.bitLength()

        }


        while (true)
        {
            // Do cheap "pre-test" if applicable
            if (result.bitLength() > 6)
            {
                long r = result.remainder(
                    BigInteger.valueOf(SMALL_PRIME_PRODUCT)).longValue();
                if ((r % 3 == 0) || (r % 5 == 0) || (r % 7 == 0)
                    || (r % 11 == 0) || (r % 13 == 0) || (r % 17 == 0)

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Examples of java.math.BigInteger.bitLength()

                    continue; // Candidate is composite; try another
                }
            }


            // All candidates of bitLength 2 and 3 are prime by this point
            if (result.bitLength() < 4)
            {
                return result;
            }


            // The expensive test

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Examples of java.math.BigInteger.bitLength()

     * @return a new <code>BigDecimalPolynomial</code>
     */
    public BigDecimalPolynomial div(BigDecimal divisor, int decimalPlaces)
    {
        BigInteger max = maxCoeffAbs();
        int coeffLength = (int)(max.bitLength() * LOG_10_2) + 1;
        // factor = 1/divisor
        BigDecimal factor = Constants.BIGDEC_ONE.divide(divisor, coeffLength + decimalPlaces + 1, BigDecimal.ROUND_HALF_EVEN);


        // multiply each coefficient by factor
        BigDecimalPolynomial p = new BigDecimalPolynomial(coeffs.length);

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Examples of java.math.BigInteger.bitLength()

            throw new IllegalArgumentException("n < t");
        }


        BigInteger bc = IntegerFunctions.binomial(n, t);
        // finds s = floor[log(binomial(n,t))]
        int s = bc.bitLength() - 1;
        // s = sq*8 + sr;
        int sq = s >> 3;
        int sr = s & 7;
        if (sr == 0)
        {

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Examples of java.math.BigInteger.bitLength()

        {
            throw new IllegalStateException("not initialised for signing");
        }
        
        BigInteger n = ((ECPrivateKeyParameters)this.key).getParameters().getN();
        int nBitLength = n.bitLength();
        
        BigInteger e = new BigInteger(1, digest);
        int eBitLength = e.bitLength();
        
        ECPrivateKeyParameters  privKey = (ECPrivateKeyParameters)key;

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Examples of java.math.BigInteger.bitLength()

        
        BigInteger n = ((ECPrivateKeyParameters)this.key).getParameters().getN();
        int nBitLength = n.bitLength();
        
        BigInteger e = new BigInteger(1, digest);
        int eBitLength = e.bitLength();
        
        ECPrivateKeyParameters  privKey = (ECPrivateKeyParameters)key;
               
        if (eBitLength > nBitLength) 
        {

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Examples of java.math.BigInteger.bitLength()

            throw new IllegalStateException("not initialised for verifying");
        }


        ECPublicKeyParameters pubKey = (ECPublicKeyParameters)key;
        BigInteger n = pubKey.getParameters().getN();
        int nBitLength = n.bitLength();
        
        BigInteger e = new BigInteger(1, digest);
        int eBitLength = e.bitLength();
        
        if (eBitLength > nBitLength)

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