/*

 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * This file is generated by FieldGen.jsh. Do not modify it directly.

 */

package sun.security.util.math.intpoly;

import java.math.BigInteger;

public class P256OrderField extends IntegerPolynomial {

    private static final int BITS_PER_LIMB = 26;

    private static final int NUM_LIMBS = 10;

    private static final int MAX_ADDS = 1;

    public static final BigInteger MODULUS = evaluateModulus();

    private static final long CARRY_ADD = 1 << 25;

    private static final int LIMB_MASK = -1 >>> (64 - BITS_PER_LIMB);

    public P256OrderField() {

        super(BITS_PER_LIMB, NUM_LIMBS, MAX_ADDS, MODULUS);

    }

    private static BigInteger evaluateModulus() {

        BigInteger result = BigInteger.valueOf(2).pow(256);

        result = result.add(BigInteger.valueOf(6497617));

        result = result.subtract(BigInteger.valueOf(2).pow(26).multiply(BigInteger.valueOf(26038081)));

        result = result.add(BigInteger.valueOf(2).pow(52).multiply(BigInteger.valueOf(32001852)));

        result = result.subtract(BigInteger.valueOf(2).pow(78).multiply(BigInteger.valueOf(21586850)));

        result = result.subtract(BigInteger.valueOf(2).pow(104).multiply(BigInteger.valueOf(4397317)));

        result = result.add(BigInteger.valueOf(2).pow(182).multiply(BigInteger.valueOf(1024)));

        result = result.subtract(BigInteger.valueOf(2).pow(208).multiply(BigInteger.valueOf(65536)));

        return result;

    }

    @Override

    protected void finalCarryReduceLast(long[] limbs) {

        long c = limbs[9] >> 22;

        limbs[9] -= c << 22;

        long t0 = -6497617 * c;

        limbs[0] += t0;

        t0 = 26038081 * c;

        limbs[1] += t0;

        t0 = -32001852 * c;

        limbs[2] += t0;

        t0 = 21586850 * c;

        limbs[3] += t0;

        t0 = 4397317 * c;

        limbs[4] += t0;

        t0 = -1024 * c;

        limbs[7] += t0;

        t0 = 65536 * c;

        limbs[8] += t0;

    }

    private void carryReduce(long[] r, long c0, long c1, long c2, long c3, long c4, long c5, long c6, long c7, long c8, long c9, long c10, long c11, long c12, long c13, long c14, long c15, long c16, long c17, long c18) {

        long c19 = 0;

        //carry from position 0

        long t0 = (c0 + CARRY_ADD) >> 26;

        c0 -= (t0 << 26);

        c1 += t0;

        //carry from position 1

        t0 = (c1 + CARRY_ADD) >> 26;

        c1 -= (t0 << 26);

        c2 += t0;

        //carry from position 2

        t0 = (c2 + CARRY_ADD) >> 26;

        c2 -= (t0 << 26);

        c3 += t0;

        //carry from position 3

        t0 = (c3 + CARRY_ADD) >> 26;

        c3 -= (t0 << 26);

        c4 += t0;

        //carry from position 4

        t0 = (c4 + CARRY_ADD) >> 26;

        c4 -= (t0 << 26);

        c5 += t0;

        //carry from position 5

        t0 = (c5 + CARRY_ADD) >> 26;

        c5 -= (t0 << 26);

        c6 += t0;

        //carry from position 6

        t0 = (c6 + CARRY_ADD) >> 26;

        c6 -= (t0 << 26);

        c7 += t0;

        //carry from position 7

        t0 = (c7 + CARRY_ADD) >> 26;

        c7 -= (t0 << 26);

        c8 += t0;

        //carry from position 8

        t0 = (c8 + CARRY_ADD) >> 26;

        c8 -= (t0 << 26);

        c9 += t0;

        //carry from position 9

        t0 = (c9 + CARRY_ADD) >> 26;

        c9 -= (t0 << 26);

        c10 += t0;

        //carry from position 10

        t0 = (c10 + CARRY_ADD) >> 26;

        c10 -= (t0 << 26);

        c11 += t0;

        //carry from position 11

        t0 = (c11 + CARRY_ADD) >> 26;

        c11 -= (t0 << 26);

        c12 += t0;

        //carry from position 12

        t0 = (c12 + CARRY_ADD) >> 26;

        c12 -= (t0 << 26);

        c13 += t0;

        //carry from position 13

        t0 = (c13 + CARRY_ADD) >> 26;

        c13 -= (t0 << 26);

        c14 += t0;

        //carry from position 14

        t0 = (c14 + CARRY_ADD) >> 26;

        c14 -= (t0 << 26);

        c15 += t0;

        //carry from position 15

        t0 = (c15 + CARRY_ADD) >> 26;

        c15 -= (t0 << 26);

        c16 += t0;

        //carry from position 16

        t0 = (c16 + CARRY_ADD) >> 26;

        c16 -= (t0 << 26);

        c17 += t0;

        //carry from position 17

        t0 = (c17 + CARRY_ADD) >> 26;

        c17 -= (t0 << 26);

        c18 += t0;

        //carry from position 18

        t0 = (c18 + CARRY_ADD) >> 26;

        c18 -= (t0 << 26);

        c19 += t0;

        carryReduce0(r, c0, c1, c2, c3, c4, c5, c6, c7, c8, c9, c10, c11, c12, c13, c14, c15, c16, c17, c18, c19);

    }

    void carryReduce0(long[] r, long c0, long c1, long c2, long c3, long c4, long c5, long c6, long c7, long c8, long c9, long c10, long c11, long c12, long c13, long c14, long c15, long c16, long c17, long c18, long c19) {

        long t0;

        //reduce from position 19

        t0 = -6497617 * c19;

        c9 += (t0 << 4) & LIMB_MASK;

        c10 += t0 >> 22;

        t0 = 26038081 * c19;

        c10 += (t0 << 4) & LIMB_MASK;

        c11 += t0 >> 22;

        t0 = -32001852 * c19;

        c11 += (t0 << 4) & LIMB_MASK;

        c12 += t0 >> 22;

        t0 = 21586850 * c19;

        c12 += (t0 << 4) & LIMB_MASK;

        c13 += t0 >> 22;

        t0 = 4397317 * c19;

        c13 += (t0 << 4) & LIMB_MASK;

        c14 += t0 >> 22;

        t0 = -1024 * c19;

        c16 += (t0 << 4) & LIMB_MASK;

        c17 += t0 >> 22;

        t0 = 65536 * c19;

        c17 += (t0 << 4) & LIMB_MASK;

        c18 += t0 >> 22;

        //reduce from position 18

        t0 = -6497617 * c18;

        c8 += (t0 << 4) & LIMB_MASK;

        c9 += t0 >> 22;

        t0 = 26038081 * c18;

        c9 += (t0 << 4) & LIMB_MASK;

        c10 += t0 >> 22;

        t0 = -32001852 * c18;

        c10 += (t0 << 4) & LIMB_MASK;

        c11 += t0 >> 22;

        t0 = 21586850 * c18;

        c11 += (t0 << 4) & LIMB_MASK;

        c12 += t0 >> 22;

        t0 = 4397317 * c18;

        c12 += (t0 << 4) & LIMB_MASK;

        c13 += t0 >> 22;

        t0 = -1024 * c18;

        c15 += (t0 << 4) & LIMB_MASK;

        c16 += t0 >> 22;

        t0 = 65536 * c18;

        c16 += (t0 << 4) & LIMB_MASK;

        c17 += t0 >> 22;

        //reduce from position 17

        t0 = -6497617 * c17;

        c7 += (t0 << 4) & LIMB_MASK;

        c8 += t0 >> 22;

        t0 = 26038081 * c17;

        c8 += (t0 << 4) & LIMB_MASK;

        c9 += t0 >> 22;

        t0 = -32001852 * c17;

        c9 += (t0 << 4) & LIMB_MASK;

        c10 += t0 >> 22;

        t0 = 21586850 * c17;

        c10 += (t0 << 4) & LIMB_MASK;

        c11 += t0 >> 22;

        t0 = 4397317 * c17;

        c11 += (t0 << 4) & LIMB_MASK;

        c12 += t0 >> 22;

        t0 = -1024 * c17;

        c14 += (t0 << 4) & LIMB_MASK;

        c15 += t0 >> 22;

        t0 = 65536 * c17;

        c15 += (t0 << 4) & LIMB_MASK;

        c16 += t0 >> 22;

        //reduce from position 16

        t0 = -6497617 * c16;

        c6 += (t0 << 4) & LIMB_MASK;

        c7 += t0 >> 22;

        t0 = 26038081 * c16;

        c7 += (t0 << 4) & LIMB_MASK;

        c8 += t0 >> 22;

        t0 = -32001852 * c16;

        c8 += (t0 << 4) & LIMB_MASK;

        c9 += t0 >> 22;

        t0 = 21586850 * c16;

        c9 += (t0 << 4) & LIMB_MASK;

        c10 += t0 >> 22;

        t0 = 4397317 * c16;

        c10 += (t0 << 4) & LIMB_MASK;

        c11 += t0 >> 22;

        t0 = -1024 * c16;

        c13 += (t0 << 4) & LIMB_MASK;

        c14 += t0 >> 22;

        t0 = 65536 * c16;

        c14 += (t0 << 4) & LIMB_MASK;

        c15 += t0 >> 22;

        //reduce from position 15

        t0 = -6497617 * c15;

        c5 += (t0 << 4) & LIMB_MASK;

        c6 += t0 >> 22;

        t0 = 26038081 * c15;

        c6 += (t0 << 4) & LIMB_MASK;

        c7 += t0 >> 22;

        t0 = -32001852 * c15;

        c7 += (t0 << 4) & LIMB_MASK;

        c8 += t0 >> 22;

        t0 = 21586850 * c15;

        c8 += (t0 << 4) & LIMB_MASK;

        c9 += t0 >> 22;

        t0 = 4397317 * c15;

        c9 += (t0 << 4) & LIMB_MASK;

        c10 += t0 >> 22;

        t0 = -1024 * c15;

        c12 += (t0 << 4) & LIMB_MASK;

        c13 += t0 >> 22;

        t0 = 65536 * c15;

        c13 += (t0 << 4) & LIMB_MASK;

        c14 += t0 >> 22;

        //reduce from position 14

        t0 = -6497617 * c14;

        c4 += (t0 << 4) & LIMB_MASK;

        c5 += t0 >> 22;

        t0 = 26038081 * c14;

        c5 += (t0 << 4) & LIMB_MASK;

        c6 += t0 >> 22;

        t0 = -32001852 * c14;

        c6 += (t0 << 4) & LIMB_MASK;

        c7 += t0 >> 22;

        t0 = 21586850 * c14;

        c7 += (t0 << 4) & LIMB_MASK;

        c8 += t0 >> 22;

        t0 = 4397317 * c14;

        c8 += (t0 << 4) & LIMB_MASK;

        c9 += t0 >> 22;

        t0 = -1024 * c14;

        c11 += (t0 << 4) & LIMB_MASK;

        c12 += t0 >> 22;

        t0 = 65536 * c14;

        c12 += (t0 << 4) & LIMB_MASK;

        c13 += t0 >> 22;

        //reduce from position 13

        t0 = -6497617 * c13;

        c3 += (t0 << 4) & LIMB_MASK;

        c4 += t0 >> 22;

        t0 = 26038081 * c13;

        c4 += (t0 << 4) & LIMB_MASK;

        c5 += t0 >> 22;

        t0 = -32001852 * c13;

        c5 += (t0 << 4) & LIMB_MASK;

        c6 += t0 >> 22;

        t0 = 21586850 * c13;

        c6 += (t0 << 4) & LIMB_MASK;

        c7 += t0 >> 22;

        t0 = 4397317 * c13;

        c7 += (t0 << 4) & LIMB_MASK;

        c8 += t0 >> 22;

        t0 = -1024 * c13;

        c10 += (t0 << 4) & LIMB_MASK;

        c11 += t0 >> 22;

        t0 = 65536 * c13;

        c11 += (t0 << 4) & LIMB_MASK;

        c12 += t0 >> 22;

        //reduce from position 12

        t0 = -6497617 * c12;

        c2 += (t0 << 4) & LIMB_MASK;

        c3 += t0 >> 22;

        t0 = 26038081 * c12;

        c3 += (t0 << 4) & LIMB_MASK;

        c4 += t0 >> 22;

        t0 = -32001852 * c12;

        c4 += (t0 << 4) & LIMB_MASK;

        c5 += t0 >> 22;

        t0 = 21586850 * c12;

        c5 += (t0 << 4) & LIMB_MASK;

        c6 += t0 >> 22;

        t0 = 4397317 * c12;

        c6 += (t0 << 4) & LIMB_MASK;

        c7 += t0 >> 22;

        t0 = -1024 * c12;

        c9 += (t0 << 4) & LIMB_MASK;

        c10 += t0 >> 22;

        t0 = 65536 * c12;

        c10 += (t0 << 4) & LIMB_MASK;

        c11 += t0 >> 22;

        //reduce from position 11

        t0 = -6497617 * c11;

        c1 += (t0 << 4) & LIMB_MASK;

        c2 += t0 >> 22;

        t0 = 26038081 * c11;

        c2 += (t0 << 4) & LIMB_MASK;

        c3 += t0 >> 22;

        t0 = -32001852 * c11;

        c3 += (t0 << 4) & LIMB_MASK;

        c4 += t0 >> 22;

        t0 = 21586850 * c11;

        c4 += (t0 << 4) & LIMB_MASK;

        c5 += t0 >> 22;

        t0 = 4397317 * c11;

        c5 += (t0 << 4) & LIMB_MASK;

        c6 += t0 >> 22;

        t0 = -1024 * c11;

        c8 += (t0 << 4) & LIMB_MASK;

        c9 += t0 >> 22;

        t0 = 65536 * c11;

        c9 += (t0 << 4) & LIMB_MASK;

        c10 += t0 >> 22;

        //reduce from position 10

        t0 = -6497617 * c10;

        c0 += (t0 << 4) & LIMB_MASK;

        c1 += t0 >> 22;

        t0 = 26038081 * c10;

        c1 += (t0 << 4) & LIMB_MASK;

        c2 += t0 >> 22;

        t0 = -32001852 * c10;

        c2 += (t0 << 4) & LIMB_MASK;

        c3 += t0 >> 22;

        t0 = 21586850 * c10;

        c3 += (t0 << 4) & LIMB_MASK;

        c4 += t0 >> 22;

        t0 = 4397317 * c10;

        c4 += (t0 << 4) & LIMB_MASK;

        c5 += t0 >> 22;

        t0 = -1024 * c10;

        c7 += (t0 << 4) & LIMB_MASK;

        c8 += t0 >> 22;

        t0 = 65536 * c10;

        c8 += (t0 << 4) & LIMB_MASK;

        c9 += t0 >> 22;

        c10 = 0;

        carryReduce1(r, c0, c1, c2, c3, c4, c5, c6, c7, c8, c9, c10, c11, c12, c13, c14, c15, c16, c17, c18, c19);

    }

    void carryReduce1(long[] r, long c0, long c1, long c2, long c3, long c4, long c5, long c6, long c7, long c8, long c9, long c10, long c11, long c12, long c13, long c14, long c15, long c16, long c17, long c18, long c19) {

        long t0;

        //carry from position 0

        t0 = (c0 + CARRY_ADD) >> 26;

        c0 -= (t0 << 26);

        c1 += t0;

        //carry from position 1

        t0 = (c1 + CARRY_ADD) >> 26;

        c1 -= (t0 << 26);

        c2 += t0;

        //carry from position 2

        t0 = (c2 + CARRY_ADD) >> 26;

        c2 -= (t0 << 26);

        c3 += t0;

        //carry from position 3

        t0 = (c3 + CARRY_ADD) >> 26;

        c3 -= (t0 << 26);

        c4 += t0;

        //carry from position 4

        t0 = (c4 + CARRY_ADD) >> 26;

        c4 -= (t0 << 26);

        c5 += t0;

        //carry from position 5

        t0 = (c5 + CARRY_ADD) >> 26;

        c5 -= (t0 << 26);

        c6 += t0;

        //carry from position 6

        t0 = (c6 + CARRY_ADD) >> 26;

        c6 -= (t0 << 26);

        c7 += t0;

        //carry from position 7

        t0 = (c7 + CARRY_ADD) >> 26;

        c7 -= (t0 << 26);

        c8 += t0;

        //carry from position 8

        t0 = (c8 + CARRY_ADD) >> 26;

        c8 -= (t0 << 26);

        c9 += t0;

        //carry from position 9

        t0 = (c9 + CARRY_ADD) >> 26;

        c9 -= (t0 << 26);

        c10 += t0;

        carryReduce2(r, c0, c1, c2, c3, c4, c5, c6, c7, c8, c9, c10, c11, c12, c13, c14, c15, c16, c17, c18, c19);

    }

    void carryReduce2(long[] r, long c0, long c1, long c2, long c3, long c4, long c5, long c6, long c7, long c8, long c9, long c10, long c11, long c12, long c13, long c14, long c15, long c16, long c17, long c18, long c19) {

        long t0;

        //reduce from position 10

        t0 = -6497617 * c10;

        c0 += (t0 << 4) & LIMB_MASK;

        c1 += t0 >> 22;

        t0 = 26038081 * c10;

        c1 += (t0 << 4) & LIMB_MASK;

        c2 += t0 >> 22;

        t0 = -32001852 * c10;

        c2 += (t0 << 4) & LIMB_MASK;

        c3 += t0 >> 22;

        t0 = 21586850 * c10;

        c3 += (t0 << 4) & LIMB_MASK;

        c4 += t0 >> 22;

        t0 = 4397317 * c10;

        c4 += (t0 << 4) & LIMB_MASK;

        c5 += t0 >> 22;

        t0 = -1024 * c10;

        c7 += (t0 << 4) & LIMB_MASK;

        c8 += t0 >> 22;

        t0 = 65536 * c10;

        c8 += (t0 << 4) & LIMB_MASK;

        c9 += t0 >> 22;

        //carry from position 0

        t0 = (c0 + CARRY_ADD) >> 26;

        c0 -= (t0 << 26);

        c1 += t0;

        //carry from position 1

        t0 = (c1 + CARRY_ADD) >> 26;

        c1 -= (t0 << 26);

        c2 += t0;

        //carry from position 2

        t0 = (c2 + CARRY_ADD) >> 26;

        c2 -= (t0 << 26);

        c3 += t0;

        //carry from position 3

        t0 = (c3 + CARRY_ADD) >> 26;

        c3 -= (t0 << 26);

        c4 += t0;

        //carry from position 4

        t0 = (c4 + CARRY_ADD) >> 26;

        c4 -= (t0 << 26);

        c5 += t0;

        //carry from position 5

        t0 = (c5 + CARRY_ADD) >> 26;

        c5 -= (t0 << 26);

        c6 += t0;

        //carry from position 6

        t0 = (c6 + CARRY_ADD) >> 26;

        c6 -= (t0 << 26);

        c7 += t0;

        //carry from position 7

        t0 = (c7 + CARRY_ADD) >> 26;

        c7 -= (t0 << 26);

        c8 += t0;

        //carry from position 8

        t0 = (c8 + CARRY_ADD) >> 26;

        c8 -= (t0 << 26);

        c9 += t0;

        r[0] = c0;

        r[1] = c1;

        r[2] = c2;

        r[3] = c3;

        r[4] = c4;

        r[5] = c5;

        r[6] = c6;

        r[7] = c7;

        r[8] = c8;

        r[9] = c9;

    }

    private void carryReduce(long[] r, long c0, long c1, long c2, long c3, long c4, long c5, long c6, long c7, long c8, long c9) {

        long c10 = 0;

        //carry from position 0

        long t0 = (c0 + CARRY_ADD) >> 26;

        c0 -= (t0 << 26);

        c1 += t0;

        //carry from position 1

        t0 = (c1 + CARRY_ADD) >> 26;

        c1 -= (t0 << 26);

        c2 += t0;

        //carry from position 2

        t0 = (c2 + CARRY_ADD) >> 26;

        c2 -= (t0 << 26);

        c3 += t0;

        //carry from position 3

        t0 = (c3 + CARRY_ADD) >> 26;

        c3 -= (t0 << 26);

        c4 += t0;

        //carry from position 4

        t0 = (c4 + CARRY_ADD) >> 26;

        c4 -= (t0 << 26);

        c5 += t0;

        //carry from position 5

        t0 = (c5 + CARRY_ADD) >> 26;

        c5 -= (t0 << 26);

        c6 += t0;

        //carry from position 6

        t0 = (c6 + CARRY_ADD) >> 26;

        c6 -= (t0 << 26);

        c7 += t0;

        //carry from position 7

        t0 = (c7 + CARRY_ADD) >> 26;

        c7 -= (t0 << 26);

        c8 += t0;

        //carry from position 8

        t0 = (c8 + CARRY_ADD) >> 26;

        c8 -= (t0 << 26);

        c9 += t0;

        //carry from position 9

        t0 = (c9 + CARRY_ADD) >> 26;

        c9 -= (t0 << 26);

        c10 += t0;

        carryReduce0(r, c0, c1, c2, c3, c4, c5, c6, c7, c8, c9, c10);

    }

    void carryReduce0(long[] r, long c0, long c1, long c2, long c3, long c4, long c5, long c6, long c7, long c8, long c9, long c10) {

        long t0;

        //reduce from position 10

        t0 = -6497617 * c10;

        c0 += (t0 << 4) & LIMB_MASK;

        c1 += t0 >> 22;

        t0 = 26038081 * c10;

        c1 += (t0 << 4) & LIMB_MASK;

        c2 += t0 >> 22;

        t0 = -32001852 * c10;

        c2 += (t0 << 4) & LIMB_MASK;

        c3 += t0 >> 22;

        t0 = 21586850 * c10;

        c3 += (t0 << 4) & LIMB_MASK;

        c4 += t0 >> 22;

        t0 = 4397317 * c10;

        c4 += (t0 << 4) & LIMB_MASK;

        c5 += t0 >> 22;

        t0 = -1024 * c10;

        c7 += (t0 << 4) & LIMB_MASK;

        c8 += t0 >> 22;

        t0 = 65536 * c10;

        c8 += (t0 << 4) & LIMB_MASK;

        c9 += t0 >> 22;

        //carry from position 0

        t0 = (c0 + CARRY_ADD) >> 26;

        c0 -= (t0 << 26);

        c1 += t0;

        //carry from position 1

        t0 = (c1 + CARRY_ADD) >> 26;

        c1 -= (t0 << 26);

        c2 += t0;

        //carry from position 2

        t0 = (c2 + CARRY_ADD) >> 26;

        c2 -= (t0 << 26);

        c3 += t0;

        //carry from position 3

        t0 = (c3 + CARRY_ADD) >> 26;

        c3 -= (t0 << 26);

        c4 += t0;

        //carry from position 4

        t0 = (c4 + CARRY_ADD) >> 26;

        c4 -= (t0 << 26);

        c5 += t0;

        //carry from position 5

        t0 = (c5 + CARRY_ADD) >> 26;

        c5 -= (t0 << 26);

        c6 += t0;

        //carry from position 6

        t0 = (c6 + CARRY_ADD) >> 26;

        c6 -= (t0 << 26);

        c7 += t0;

        //carry from position 7

        t0 = (c7 + CARRY_ADD) >> 26;

        c7 -= (t0 << 26);

        c8 += t0;

        //carry from position 8

        t0 = (c8 + CARRY_ADD) >> 26;

        c8 -= (t0 << 26);

        c9 += t0;

        r[0] = c0;

        r[1] = c1;

        r[2] = c2;

        r[3] = c3;

        r[4] = c4;

        r[5] = c5;

        r[6] = c6;

        r[7] = c7;

        r[8] = c8;

        r[9] = c9;

    }

    @Override

    protected void mult(long[] a, long[] b, long[] r) {

        long c0 = (a[0] * b[0]);

        long c1 = (a[0] * b[1]) + (a[1] * b[0]);

        long c2 = (a[0] * b[2]) + (a[1] * b[1]) + (a[2] * b[0]);

        long c3 = (a[0] * b[3]) + (a[1] * b[2]) + (a[2] * b[1]) + (a[3] * b[0]);

        long c4 = (a[0] * b[4]) + (a[1] * b[3]) + (a[2] * b[2]) + (a[3] * b[1]) + (a[4] * b[0]);

        long c5 = (a[0] * b[5]) + (a[1] * b[4]) + (a[2] * b[3]) + (a[3] * b[2]) + (a[4] * b[1]) + (a[5] * b[0]);

        long c6 = (a[0] * b[6]) + (a[1] * b[5]) + (a[2] * b[4]) + (a[3] * b[3]) + (a[4] * b[2]) + (a[5] * b[1]) + (a[6] * b[0]);

        long c7 = (a[0] * b[7]) + (a[1] * b[6]) + (a[2] * b[5]) + (a[3] * b[4]) + (a[4] * b[3]) + (a[5] * b[2]) + (a[6] * b[1]) + (a[7] * b[0]);

        long c8 = (a[0] * b[8]) + (a[1] * b[7]) + (a[2] * b[6]) + (a[3] * b[5]) + (a[4] * b[4]) + (a[5] * b[3]) + (a[6] * b[2]) + (a[7] * b[1]) + (a[8] * b[0]);

        long c9 = (a[0] * b[9]) + (a[1] * b[8]) + (a[2] * b[7]) + (a[3] * b[6]) + (a[4] * b[5]) + (a[5] * b[4]) + (a[6] * b[3]) + (a[7] * b[2]) + (a[8] * b[1]) + (a[9] * b[0]);

        long c10 = (a[1] * b[9]) + (a[2] * b[8]) + (a[3] * b[7]) + (a[4] * b[6]) + (a[5] * b[5]) + (a[6] * b[4]) + (a[7] * b[3]) + (a[8] * b[2]) + (a[9] * b[1]);

        long c11 = (a[2] * b[9]) + (a[3] * b[8]) + (a[4] * b[7]) + (a[5] * b[6]) + (a[6] * b[5]) + (a[7] * b[4]) + (a[8] * b[3]) + (a[9] * b[2]);

        long c12 = (a[3] * b[9]) + (a[4] * b[8]) + (a[5] * b[7]) + (a[6] * b[6]) + (a[7] * b[5]) + (a[8] * b[4]) + (a[9] * b[3]);

        long c13 = (a[4] * b[9]) + (a[5] * b[8]) + (a[6] * b[7]) + (a[7] * b[6]) + (a[8] * b[5]) + (a[9] * b[4]);

        long c14 = (a[5] * b[9]) + (a[6] * b[8]) + (a[7] * b[7]) + (a[8] * b[6]) + (a[9] * b[5]);

        long c15 = (a[6] * b[9]) + (a[7] * b[8]) + (a[8] * b[7]) + (a[9] * b[6]);

        long c16 = (a[7] * b[9]) + (a[8] * b[8]) + (a[9] * b[7]);

        long c17 = (a[8] * b[9]) + (a[9] * b[8]);

        long c18 = (a[9] * b[9]);

        carryReduce(r, c0, c1, c2, c3, c4, c5, c6, c7, c8, c9, c10, c11, c12, c13, c14, c15, c16, c17, c18);

    }

    @Override

    protected void reduce(long[] a) {

        carryReduce(a, a[0], a[1], a[2], a[3], a[4], a[5], a[6], a[7], a[8], a[9]);

    }

    @Override

    protected void square(long[] a, long[] r) {

        long c0 = (a[0] * a[0]);

        long c1 = 2 * ((a[0] * a[1]));

        long c2 = 2 * ((a[0] * a[2])) + (a[1] * a[1]);

        long c3 = 2 * ((a[0] * a[3]) + (a[1] * a[2]));

        long c4 = 2 * ((a[0] * a[4]) + (a[1] * a[3])) + (a[2] * a[2]);

        long c5 = 2 * ((a[0] * a[5]) + (a[1] * a[4]) + (a[2] * a[3]));

        long c6 = 2 * ((a[0] * a[6]) + (a[1] * a[5]) + (a[2] * a[4])) + (a[3] * a[3]);

        long c7 = 2 * ((a[0] * a[7]) + (a[1] * a[6]) + (a[2] * a[5]) + (a[3] * a[4]));

        long c8 = 2 * ((a[0] * a[8]) + (a[1] * a[7]) + (a[2] * a[6]) + (a[3] * a[5])) + (a[4] * a[4]);

        long c9 = 2 * ((a[0] * a[9]) + (a[1] * a[8]) + (a[2] * a[7]) + (a[3] * a[6]) + (a[4] * a[5]));

        long c10 = 2 * ((a[1] * a[9]) + (a[2] * a[8]) + (a[3] * a[7]) + (a[4] * a[6])) + (a[5] * a[5]);

        long c11 = 2 * ((a[2] * a[9]) + (a[3] * a[8]) + (a[4] * a[7]) + (a[5] * a[6]));

        long c12 = 2 * ((a[3] * a[9]) + (a[4] * a[8]) + (a[5] * a[7])) + (a[6] * a[6]);

        long c13 = 2 * ((a[4] * a[9]) + (a[5] * a[8]) + (a[6] * a[7]));

        long c14 = 2 * ((a[5] * a[9]) + (a[6] * a[8])) + (a[7] * a[7]);

        long c15 = 2 * ((a[6] * a[9]) + (a[7] * a[8]));

        long c16 = 2 * ((a[7] * a[9])) + (a[8] * a[8]);

        long c17 = 2 * ((a[8] * a[9]));

        long c18 = (a[9] * a[9]);

        carryReduce(r, c0, c1, c2, c3, c4, c5, c6, c7, c8, c9, c10, c11, c12, c13, c14, c15, c16, c17, c18);

    }

}