commons-rng-core/src/main/java/org/apache/commons/rng/core/source64/AbstractXoRoShiRo1024.java [76:115]:
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        index = source.index;
    }

    /** {@inheritDoc} */
    @Override
    protected byte[] getStateInternal() {
        final long[] s = Arrays.copyOf(state, SEED_SIZE + 1);
        s[SEED_SIZE] = index;

        return composeStateInternal(NumberFactory.makeByteArray(s),
                                    super.getStateInternal());
    }

    /** {@inheritDoc} */
    @Override
    protected void setStateInternal(byte[] s) {
        final byte[][] c = splitStateInternal(s, (SEED_SIZE + 1) * 8);

        final long[] tmp = NumberFactory.makeLongArray(c[0]);
        System.arraycopy(tmp, 0, state, 0, SEED_SIZE);
        index = (int) tmp[SEED_SIZE];

        super.setStateInternal(c[1]);
    }

    /**
     * Seeds the RNG.
     *
     * @param seed Seed.
     */
    private void setSeedInternal(long[] seed) {
        // Reset the whole state of this RNG (i.e. "state" and "index").
        // Filling procedure is not part of the reference code.
        fillState(state, seed);
        index = 0;
    }

    /** {@inheritDoc} */
    @Override
    public long next() {
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commons-rng-core/src/main/java/org/apache/commons/rng/core/source64/XorShift1024Star.java [90:129]:
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        index = source.index;
    }

    /** {@inheritDoc} */
    @Override
    protected byte[] getStateInternal() {
        final long[] s = Arrays.copyOf(state, SEED_SIZE + 1);
        s[SEED_SIZE] = index;

        return composeStateInternal(NumberFactory.makeByteArray(s),
                                    super.getStateInternal());
    }

    /** {@inheritDoc} */
    @Override
    protected void setStateInternal(byte[] s) {
        final byte[][] c = splitStateInternal(s, (SEED_SIZE + 1) * 8);

        final long[] tmp = NumberFactory.makeLongArray(c[0]);
        System.arraycopy(tmp, 0, state, 0, SEED_SIZE);
        index = (int) tmp[SEED_SIZE];

        super.setStateInternal(c[1]);
    }

    /**
     * Seeds the RNG.
     *
     * @param seed Seed.
     */
    private void setSeedInternal(long[] seed) {
        // Reset the whole state of this RNG (i.e. "state" and "index").
        // Filling procedure is not part of the reference code.
        fillState(state, seed);
        index = 0;
    }

    /** {@inheritDoc} */
    @Override
    public long next() {
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