private int FF (int a, int b, int c, int d, int x, int s) {
        int t = a + ((b & c) | (~b & d)) + x;
        return t << s | t >>> (32 - s);
    }
    private int GG (int a, int b, int c, int d, int x, int s) {
        int t = a + ((b & (c | d)) | (c & d)) + x + 0x5A827999;
        return t << s | t >>> (32 - s);
    }
    private int HH (int a, int b, int c, int d, int x, int s) {

    }


    @Override
    protected int writeDataWireFormat ( byte[] dst, int dstIndex ) {
        return 0;
    }


    @Override
    protected int readSetupWireFormat ( byte[] buffer, int bufferIndex, int len ) {
        return 0;
    }


    @Override
    protected int readParametersWireFormat ( byte[] buffer, int bufferIndex, int len ) {
        return 0;
    }

      this.multiset = multiset;
      this.keys = keys;
    }

    @Override
    public int[] call() throws Exception {
      int iterations = 100000;
      int nKeys = keys.size();
      int[] deltas = new int[nKeys];
      Operation[] operations = Operation.values();
      for (int i = 0; i < iterations; i++) {
        int keyIndex = random.nextInt(nKeys);
        String key = keys.get(keyIndex);

    }
    return tmp;
  }

  @Benchmark
  int log10(int reps) {
    int tmp = 0;
    for (int i = 0; i < reps; i++) {
      int j = i & ARRAY_MASK;
      tmp += BigIntegerMath.log10(positive[j], mode);
    }
    return tmp;
  }

  @Benchmark
  int sqrt(int reps) {
    int tmp = 0;
    for (int i = 0; i < reps; i++) {
      int j = i & ARRAY_MASK;
      tmp += BigIntegerMath.sqrt(positive[j], mode).intValue();

    static final int FILE_WRITE_THROUGH           = 0x00000002;
    static final int FILE_SEQUENTIAL_ONLY         = 0x00000004;
    static final int FILE_SYNCHRONOUS_IO_ALERT    = 0x00000010;
    static final int FILE_SYNCHRONOUS_IO_NONALERT = 0x00000020;

    // security flags
    static final int SECURITY_CONTEXT_TRACKING = 0x01;
    static final int SECURITY_EFFECTIVE_ONLY   = 0x02;

    private int rootDirectoryFid,

     */
    public final int getAvailable () {
        return this.available;
    }


    @Override
    protected int writeSetupWireFormat ( byte[] dst, int dstIndex ) {
        return 0;
    }


    @Override
    protected int writeParametersWireFormat ( byte[] dst, int dstIndex ) {
        return 0;
    }


    @Override
    protected int writeDataWireFormat ( byte[] dst, int dstIndex ) {

  }

  @Benchmark
  int isMathematicalInteger(int reps) {
    int tmp = 0;
    for (int i = 0; i < reps; i++) {
      int j = i & ARRAY_MASK;
      if (DoubleMath.isMathematicalInteger(doubles[j])) {
        tmp++;
      }
    }
    return tmp;
  }

  @Benchmark
  int isPowerOfTwo(int reps) {
    int tmp = 0;
    for (int i = 0; i < reps; i++) {
      int j = i & ARRAY_MASK;

      for (int l : TEST_INTS) {
        UnsignedInteger value = UnsignedInteger.fromIntBits(l);
        assertThat(value.toString(radix)).isEqualTo(value.bigIntegerValue().toString(radix));
      }
    }
  }

  public void testToStringRadixQuick() {
    int[] radices = {2, 3, 5, 7, 10, 12, 16, 21, 31, 36};
    for (int radix : radices) {
      for (int l : TEST_INTS) {
        UnsignedInteger value = UnsignedInteger.fromIntBits(l);

    // error classes
    public static final int SUCCESS = 0;
    public static final int ERR_NAM_SRVC = 0x01;
    public static final int ERR_SSN_SRVC = 0x02;

    // name service error codes
    public static final int FMT_ERR = 0x1;
    public static final int SRV_ERR = 0x2;
    public static final int IMP_ERR = 0x4;
    public static final int RFS_ERR = 0x5;
    public static final int ACT_ERR = 0x6;

  }

  @Benchmark
  int asciiStringToUpperCase(int reps) {
    String string = noWorkToDo ? Ascii.toUpperCase(testString) : testString;

    int dummy = 0;
    for (int i = 0; i < reps; i++) {
      dummy += Ascii.toUpperCase(string).length();
    }
    return dummy;
  }

  @Benchmark
  int asciiCharSequenceToUpperCase(int reps) {