Examples of java.math.BigInteger.subtract()

java.math.BigInteger.subtract()
Returns a BigInteger whose value is {@code (this - val)}. @param val value to be subtracted from this BigInteger. @return {@code this - val}

            {
                // mu == -1
                s = u1.negate();
            }
            
            u2 = s.subtract(u0.shiftLeft(1));
            u0 = u1;
            u1 = u2;
//            System.out.println(i + ": " + u2);
//            System.out.println();
        }

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                byte uLocal;
                // if uUnMod >= 2^(width - 1)
                if (uUnMod.compareTo(pow2wMin1) >= 0)
                {
                    uLocal = (byte) uUnMod.subtract(pow2w).intValue();
                }
                else
                {
                    uLocal = (byte) uUnMod.intValue();
                }

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        result = (String)callPrivateMethod(instance, "toIdString", new Class[] {Long.TYPE}, new Object[] {Long.parseLong(expectedResult, 16)});
        assertEquals("The toIdString() method did not return the correct id", expectedResult, result);


        expectedResult = "fedcba9876543210";
        BigInteger interrum = new BigInteger(expectedResult, 16);
        interrum.subtract(new BigInteger("10000000000000000", 16));
        result = (String)callPrivateMethod(instance, "toIdString", new Class[] {Long.TYPE}, new Object[] {new Long(interrum.longValue())});
        assertEquals("The toIdString() method did not return the correct id", expectedResult, result);


        expectedResult = "0123456789abcdef";
        result = (String)callPrivateMethod(instance, "toIdString", new Class[] {Long.TYPE}, new Object[] {Long.parseLong(expectedResult, 16)});

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                if ((b & 0x80) == 0)
                {
                    if (first)
                    {
                        objId.append('2');
                        bigValue = bigValue.subtract(BigInteger.valueOf(80));
                        first = false;
                    }


                    objId.append('.');
                    objId.append(bigValue);

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        while (r.equals(ECConstants.ZERO));


        // generate s
        BigInteger x = privKey.getD();                // private key value
        BigInteger u = ((ECPrivateKeyParameters)tempPair.getPrivate()).getD();    // temp's private key value
        s = u.subtract(r.multiply(x)).mod(n);


        BigInteger[]  res = new BigInteger[2];
        res[0] = r;
        res[1] = s;

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            fieldUndefined[MONTH] = true;
        }


        BigInteger dMonths = sanitize(duration.getField(DatatypeConstants.MONTHS), signum);
        BigInteger temp = BigInteger.valueOf((long) startMonth).add(dMonths);
        setMonth(temp.subtract(BigInteger.ONE).mod(TWELVE).intValue() + 1);
        BigInteger carry =
            new BigDecimal(temp.subtract(BigInteger.ONE)).divide(new BigDecimal(TWELVE), BigDecimal.ROUND_FLOOR).toBigInteger();


        /* Years (may be modified additionally below)
         *  E[year] := S[year] + D[year] + carry

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            byte [] prependHeader = {1, 0};
            BigInteger bigLastRow = new BigInteger(Bytes.add(prependHeader, lastPadded));
            if (bigLastRow.compareTo(bigEnd_) > 0) {
                return progressSoFar_;
            }
            BigDecimal processed = new BigDecimal(bigLastRow.subtract(bigStart_));
            try {
                BigDecimal progress = processed.setScale(3).divide(bigRange_, BigDecimal.ROUND_HALF_DOWN);
                progressSoFar_ = progress.floatValue();
                return progressSoFar_;
            } catch (java.lang.ArithmeticException e) {

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        { // while k is even
            s++; // s = s+1
            k = k.shiftRight(1); // k = k/2
        }


        k = k.subtract(ONE); // k = k - 1
        k = k.shiftRight(1); // k = k/2


        // initial values
        BigInteger r = a.modPow(k, p); // r = a^k mod p

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        for (int i = 0; i < N; i++)
        {
            BigInteger c = rhoP.coeffs[i];
            if (c.compareTo(pProd2) > 0)
            {
                rhoP.coeffs[i] = c.subtract(pProd);
            }
            if (c.compareTo(pProd2n) < 0)
            {
                rhoP.coeffs[i] = c.add(pProd);
            }

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        for (int i = 0; i < N; i++)
        {
            BigInteger c = rhoP.coeffs[i];
            if (c.compareTo(pProd2) > 0)
            {
                rhoP.coeffs[i] = c.subtract(pProd);
            }
            if (c.compareTo(pProd2n) < 0)
            {
                rhoP.coeffs[i] = c.add(pProd);
            }

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