t-ostream.cc

a very popular packet of cryptography tools,it encloses the most common used algorithm and protocols

      MPZ_CHECK_FORMAT (mpq_numref (q));
      MPZ_CHECK_FORMAT (mpq_denref (q));

      if (option_check_standard
          && mpz_fits_slong_p (mpq_numref(q))
          && mpq_integer_p (q))
        {
          ostrstream  got;
          long  n = mpz_get_si (mpq_numref(q));
          CALL (got << n << '\0');
          if (strcmp (got.str(), data[i].want) != 0)
            {
              printf ("check_mpq data[%d] doesn't match standard ostream output\n", i);
              printf ("  q:     %s\n", data[i].q);
              printf ("  n:     %ld\n", n);
              DUMP ();
            }
        }

      {
        ostrstream  got;
        CALL (operator<< (got, q) << '\0');
        if (strcmp (got.str(), data[i].want) != 0)
          {
            printf ("mpq operator<< wrong, data[%d]\n", i);
            printf ("  q:     %s\n", data[i].q);
            mpq_trace ("  q", q);
            ABORT ();
          }
      }
    }

  mpq_clear (q);
}


void
check_mpf (void)
{
  static const struct {
    const char     *f;
    const char     *want;
    ios::fmtflags  flags;
    int            width;
    int            precision;
    char           fill;

  } data[] = {

    { "0", "0",            ios::dec },
    { "0", "+0",           ios::dec | ios::showpos },
    { "0", "0.00000",      ios::dec | ios::showpoint },
    { "0", "0",            ios::dec | ios::fixed },
    { "0", "0.",           ios::dec | ios::fixed | ios::showpoint },
    { "0", "0.000000e+00", ios::dec | ios::scientific },
    { "0", "0.000000e+00", ios::dec | ios::scientific | ios::showpoint },
    
    { "0", "0",          ios::dec, 0, 4 },
    { "0", "0.000",      ios::dec | ios::showpoint, 0, 4 },
    { "0", "0.0000",     ios::dec | ios::fixed, 0, 4 },
    { "0", "0.0000",     ios::dec | ios::fixed | ios::showpoint, 0, 4 },
    { "0", "0.0000e+00", ios::dec | ios::scientific, 0, 4 },
    { "0", "0.0000e+00", ios::dec | ios::scientific | ios::showpoint, 0, 4 },
    
    { "1", "1",       ios::dec },
    { "1", "+1",      ios::dec | ios::showpos },
    { "1", "1.00000", ios::dec | ios::showpoint },
    { "1", "1",       ios::dec | ios::fixed },
    { "1", "1.",      ios::dec | ios::fixed | ios::showpoint },
    { "1", "1.000000e+00",   ios::dec | ios::scientific },
    { "1", "1.000000e+00",  ios::dec | ios::scientific | ios::showpoint },
    
    { "1", "1",          ios::dec,                   0, 4 },
    { "1", "1.000",      ios::dec | ios::showpoint,  0, 4 },
    { "1", "1.0000",     ios::dec | ios::fixed,      0, 4 },
    { "1", "1.0000",     ios::dec | ios::fixed | ios::showpoint, 0, 4 },
    { "1", "1.0000e+00", ios::dec | ios::scientific, 0, 4 },
    { "1", "1.0000e+00", ios::dec | ios::scientific | ios::showpoint, 0, 4 },

    { "-1", "-1",        ios::dec | ios::showpos },

    { "-1", "  -1",      ios::dec, 4 },
    { "-1", "-  1",      ios::dec | ios::internal, 4 },
    { "-1", "-1  ",      ios::dec | ios::left, 4 },

    { "-1", "  -0x1",    ios::hex | ios::showbase, 6 },
    { "-1", "-0x  1",    ios::hex | ios::showbase | ios::internal, 6 },
    { "-1", "-0x1  ",    ios::hex | ios::showbase | ios::left, 6 },

    {    "1", "*********1", ios::dec, 10, 4, '*' },
    { "1234", "******1234", ios::dec, 10, 4, '*' },
    { "1234", "*****1234.", ios::dec | ios::showpoint, 10, 4, '*' },

    { "12345", "1.23e+04", ios::dec, 0, 3 },

    { "12345", "12345.", ios::dec | ios::fixed | ios::showpoint },

    { "1.9999999",    "2",     ios::dec, 0, 1 },
    { "1.0009999999", "1.001", ios::dec, 0, 4 },
    { "1.0001",       "1",     ios::dec, 0, 4 },
    { "1.0004",       "1",     ios::dec, 0, 4 },
    { "1.000555",     "1.001", ios::dec, 0, 4 },

    { "1.0002",       "1.000", ios::dec | ios::fixed, 0, 3 },
    { "1.0008",       "1.001", ios::dec | ios::fixed, 0, 3 },

    { "0", "0", ios::hex },
    { "0", "0x0", ios::hex | ios::showbase },
    { "0", "0X0", ios::hex | ios::showbase | ios::uppercase },
    { "123",   "7b", ios::hex },
    { "123", "0x7b", ios::hex | ios::showbase },
    { "123", "0X7B", ios::hex | ios::showbase | ios::uppercase },

    { "0", "0.000@+00", ios::hex | ios::scientific, 0, 3 },
    { "256", "1.000@+02", ios::hex | ios::scientific, 0, 3 },

    { "123",   "7.b@+01", ios::hex | ios::scientific, 0, 1 },
    { "123",   "7.B@+01", ios::hex | ios::scientific | ios::uppercase, 0, 1 },
    { "123", "0x7.b@+01", ios::hex | ios::scientific | ios::showbase, 0, 1 },
    { "123", "0X7.B@+01", ios::hex | ios::scientific | ios::showbase | ios::uppercase, 0, 1 },

    { "1099511627776", "1.0@+10", ios::hex | ios::scientific, 0, 1 },
    { "1099511627776", "1.0@+10", ios::hex | ios::scientific | ios::uppercase, 0, 1 },

    { "0.0625", "1.00@-01", ios::hex | ios::scientific, 0, 2 },

    { "0", "0", ios::oct },
    { "123",  "173", ios::oct },
    { "123", "0173", ios::oct | ios::showbase },

    /* octal showbase suppressed for 0 */
    { "0", "0", ios::oct | ios::showbase },
    { ".125",    "00.1",  ios::oct | ios::showbase, 0, 1 },
    { ".015625", "00.01", ios::oct | ios::showbase, 0, 2 },
    { ".125",    "00.1",  ios::fixed | ios::oct | ios::showbase, 0, 1 },
    { ".015625", "0.0",   ios::fixed | ios::oct | ios::showbase, 0, 1 },
    { ".015625", "00.01", ios::fixed | ios::oct | ios::showbase, 0, 2 },

    {  "0.125",  "1.000000e-01", ios::oct | ios::scientific },
    {  "0.125", "+1.000000e-01", ios::oct | ios::scientific | ios::showpos },
    { "-0.125", "-1.000000e-01", ios::oct | ios::scientific },
    { "-0.125", "-1.000000e-01", ios::oct | ios::scientific | ios::showpos },

    { "0", "0.000e+00", ios::oct | ios::scientific, 0, 3 },
    { "256",  "4.000e+02", ios::oct | ios::scientific, 0, 3 },
    { "256", "04.000e+02", ios::oct | ios::scientific | ios::showbase, 0, 3 },
    { "256",  "4.000E+02", ios::oct | ios::scientific | ios::uppercase, 0, 3 },
    { "256", "04.000E+02", ios::oct | ios::scientific | ios::showbase | ios::uppercase, 0, 3 },

    { "16777216",    "1.000000e+08", ios::oct | ios::scientific },
    { "16777216",    "1.000000E+08", ios::oct | ios::scientific | ios::uppercase },
    { "16777216",   "01.000000e+08", ios::oct | ios::scientific | ios::showbase },
    { "16777216",   "01.000000E+08", ios::oct | ios::scientific | ios::showbase | ios::uppercase },
    { "16777216",  "+01.000000e+08", ios::oct | ios::scientific | ios::showbase | ios::showpos },
    { "16777216",  "+01.000000E+08", ios::oct | ios::scientific | ios::showbase | ios::showpos | ios::uppercase },
    { "-16777216", "-01.000000e+08", ios::oct | ios::scientific | ios::showbase | ios::showpos },
    { "-16777216", "-01.000000E+08", ios::oct | ios::scientific | ios::showbase | ios::showpos | ios::uppercase },

  };

  size_t  i;
  mpf_t   f, f2;
  double  d;

  mpf_init (f);
  mpf_init (f2);

  for (i = 0; i < numberof (data); i++)
    {
      mpf_set_str_or_abort (f, data[i].f, 0);

      d = mpf_get_d (f);
      mpf_set_d (f2, d);
      if (option_check_standard && mpf_cmp (f, f2) == 0
          && ! (data[i].flags & (ios::hex | ios::oct | ios::showbase)))
        {
          ostrstream  got;
          CALL (got << d << '\0');
          if (strcmp (got.str(), data[i].want) != 0)
            {
              printf ("check_mpf data[%d] doesn't match standard ostream output\n", i);
              printf ("  f:     %s\n", data[i].f);
              printf ("  d:     %g\n", d);
              DUMP ();
            }
        }

      {
        ostrstream  got;
        CALL (operator<< (got, f) << '\0');
        if (strcmp (got.str(), data[i].want) != 0)
          {
            printf ("mpf operator<< wrong, data[%d]\n", i);
            printf ("  f:     %s\n", data[i].f);
            mpf_trace ("  f", f);
            ABORT ();
          }
      }
    }

  mpf_clear (f);
  mpf_clear (f2);
}



int
main (int argc, char *argv[])
{
  if (argc > 1 && strcmp (argv[1], "-s") == 0)
    option_check_standard = 1;

  tests_start ();

  check_mpz ();
  check_mpq ();
  check_mpf ();

  tests_end ();
  exit (0);
}