Exemple #1
0
static void
test_get_uj_smallneg (void)
{
  mpfr_t x;
  int i;

  mpfr_init2 (x, 64);

  for (i = 1; i <= 4; i++)
    {
      int r;

      mpfr_set_si_2exp (x, -i, -2, MPFR_RNDN);
      RND_LOOP (r)
        {
          intmax_t s;
          uintmax_t u;

          mpfr_clear_erangeflag ();
          s = mpfr_get_sj (x, (mpfr_rnd_t) r);
          if (mpfr_erangeflag_p ())
            {
              printf ("ERROR for get_sj + ERANGE + small negative op"
                      " for rnd = %s and x = -%d/4\n",
                      mpfr_print_rnd_mode ((mpfr_rnd_t) r), i);
              exit (1);
            }
          u = mpfr_get_uj (x, (mpfr_rnd_t) r);
          if (u != 0)
            {
              printf ("ERROR for get_uj + ERANGE + small negative op"
                      " for rnd = %s and x = -%d/4\n",
                      mpfr_print_rnd_mode ((mpfr_rnd_t) r), i);
              printf ("Expected 0, got %ju\n", u);
              exit (1);
            }
          if ((s == 0) ^ !mpfr_erangeflag_p ())
            {
              char *not = s == 0 ? "" : " not";

              printf ("ERROR for get_uj + ERANGE + small negative op"
                      " for rnd = %s and x = -%d/4\n",
                      mpfr_print_rnd_mode ((mpfr_rnd_t) r), i);
              printf ("The rounding integer (%jd) is%s representable in "
                      "unsigned long,\nbut the erange flag is%s set.\n",
                      s, not, not);
              exit (1);
            }
        }
    }

  mpfr_clear (x);
}
Exemple #2
0
static void
check_sj (intmax_t s, mpfr_ptr x)
{
  mpfr_t y;
  int i;

  mpfr_init2 (y, MPFR_PREC (x));

  for (i = -1; i <= 1; i++)
    {
      int rnd;

      mpfr_set_si_2exp (y, i, -2, MPFR_RNDN);
      mpfr_add (y, y, x, MPFR_RNDN);
      for (rnd = 0; rnd < MPFR_RND_MAX; rnd++)
        {
          intmax_t r;

          if (rnd == MPFR_RNDZ && i < 0 && s >= 0)
            continue;
          if (rnd == MPFR_RNDZ && i > 0 && s <= 0)
            continue;
          if (rnd == MPFR_RNDD && i < 0)
            continue;
          if (rnd == MPFR_RNDU && i > 0)
            continue;
          if (rnd == MPFR_RNDA && ((MPFR_IS_POS(y) && i > 0) ||
                                  (MPFR_IS_NEG(y) && i < 0)))
            continue;
          /* rint (y) == x == s */
          r = mpfr_get_sj (y, (mpfr_rnd_t) rnd);
          if (r != s)
            {
              printf ("Error in check_sj for y = ");
              mpfr_out_str (stdout, 2, 0, y, MPFR_RNDN);
              printf (" in %s\n", mpfr_print_rnd_mode ((mpfr_rnd_t) rnd));
              printf ("Got %jd instead of %jd.\n", r, s);
              exit (1);
            }
        }
    }

  mpfr_clear (y);
}
Exemple #3
0
static void
check_erange (void)
{
  mpfr_t x;
  uintmax_t dl;
  intmax_t d;

  /* Test for ERANGE flag + correct behaviour if overflow */

  mpfr_init2 (x, 256);
  mpfr_set_uj (x, MPFR_UINTMAX_MAX, MPFR_RNDN);
  mpfr_clear_erangeflag ();
  dl = mpfr_get_uj (x, MPFR_RNDN);
  if (dl != MPFR_UINTMAX_MAX || mpfr_erangeflag_p ())
    {
      printf ("ERROR for get_uj + ERANGE + UINTMAX_MAX (1)\n");
      exit (1);
    }
  mpfr_add_ui (x, x, 1, MPFR_RNDN);
  dl = mpfr_get_uj (x, MPFR_RNDN);
  if (dl != MPFR_UINTMAX_MAX || !mpfr_erangeflag_p ())
    {
      printf ("ERROR for get_uj + ERANGE + UINTMAX_MAX (2)\n");
      exit (1);
    }
  mpfr_set_sj (x, -1, MPFR_RNDN);
  mpfr_clear_erangeflag ();
  dl = mpfr_get_uj (x, MPFR_RNDN);
  if (dl != 0 || !mpfr_erangeflag_p ())
    {
      printf ("ERROR for get_uj + ERANGE + -1 \n");
      exit (1);
    }
  mpfr_set_sj (x, MPFR_INTMAX_MAX, MPFR_RNDN);
  mpfr_clear_erangeflag ();
  d = mpfr_get_sj (x, MPFR_RNDN);
  if (d != MPFR_INTMAX_MAX || mpfr_erangeflag_p ())
    {
      printf ("ERROR for get_sj + ERANGE + INTMAX_MAX (1)\n");
      exit (1);
    }
  mpfr_add_ui (x, x, 1, MPFR_RNDN);
  d = mpfr_get_sj (x, MPFR_RNDN);
  if (d != MPFR_INTMAX_MAX || !mpfr_erangeflag_p ())
    {
      printf ("ERROR for get_sj + ERANGE + INTMAX_MAX (2)\n");
      exit (1);
    }
  mpfr_set_sj (x, MPFR_INTMAX_MIN, MPFR_RNDN);
  mpfr_clear_erangeflag ();
  d = mpfr_get_sj (x, MPFR_RNDN);
  if (d != MPFR_INTMAX_MIN || mpfr_erangeflag_p ())
    {
      printf ("ERROR for get_sj + ERANGE + INTMAX_MIN (1)\n");
      exit (1);
    }
  mpfr_sub_ui (x, x, 1, MPFR_RNDN);
  d = mpfr_get_sj (x, MPFR_RNDN);
  if (d != MPFR_INTMAX_MIN || !mpfr_erangeflag_p ())
    {
      printf ("ERROR for get_sj + ERANGE + INTMAX_MIN (2)\n");
      exit (1);
    }

  mpfr_set_nan (x);
  mpfr_clear_erangeflag ();
  d = mpfr_get_uj (x, MPFR_RNDN);
  if (d != 0 || !mpfr_erangeflag_p ())
    {
      printf ("ERROR for get_uj + NaN\n");
      exit (1);
    }
  mpfr_clear_erangeflag ();
  d = mpfr_get_sj (x, MPFR_RNDN);
  if (d != 0 || !mpfr_erangeflag_p ())
    {
      printf ("ERROR for get_sj + NaN\n");
      exit (1);
    }

  mpfr_clear (x);
}
static void
check_set (void)
{
  long int lo;
  mpz_t mpz;
  mpq_t mpq;
  mpf_t mpf;
  mpfr_t fr;
  mpc_t x, z;
  mpfr_prec_t prec;

  mpz_init (mpz);
  mpq_init (mpq);
  mpf_init2 (mpf, 1000);
  mpfr_init2 (fr, 1000);
  mpc_init2 (x, 1000);
  mpc_init2 (z, 1000);

  mpz_set_ui (mpz, 0x4217);
  mpq_set_si (mpq, -1, 0x4321);
  mpf_set_q (mpf, mpq);

  for (prec = 2; prec <= 1000; prec++)
    {
      unsigned long int u = (unsigned long int) prec;

      mpc_set_prec (z, prec);
      mpfr_set_prec (fr, prec);

      lo = -prec;

      mpfr_set_d (fr, 1.23456789, GMP_RNDN);

      mpc_set_d (z, 1.23456789, MPC_RNDNN);
      if (mpfr_cmp (MPC_RE(z), fr) != 0 || mpfr_cmp_si (MPC_IM(z), 0) != 0)
        PRINT_ERROR ("mpc_set_d", prec, z);

#if defined _MPC_H_HAVE_COMPLEX
      mpc_set_dc (z, I*1.23456789+1.23456789, MPC_RNDNN);
      if (mpfr_cmp (MPC_RE(z), fr) != 0 || mpfr_cmp (MPC_IM(z), fr) != 0)
        PRINT_ERROR ("mpc_set_c", prec, z);
#endif

      mpc_set_ui (z, u, MPC_RNDNN);
      if (mpfr_cmp_ui (MPC_RE(z), u) != 0
          || mpfr_cmp_ui (MPC_IM(z), 0) != 0)
        PRINT_ERROR ("mpc_set_ui", prec, z);

      mpc_set_d_d (z, 1.23456789, 1.23456789, MPC_RNDNN);
      if (mpfr_cmp (MPC_RE(z), fr) != 0 || mpfr_cmp (MPC_IM(z), fr) != 0)
        PRINT_ERROR ("mpc_set_d_d", prec, z);

      mpc_set_si (z, lo, MPC_RNDNN);
      if (mpfr_cmp_si (MPC_RE(z), lo) != 0 || mpfr_cmp_ui (MPC_IM(z), 0) != 0)
        PRINT_ERROR ("mpc_set_si", prec, z);

      mpfr_set_ld (fr, 1.23456789L, GMP_RNDN);

      mpc_set_ld_ld (z, 1.23456789L, 1.23456789L, MPC_RNDNN);
      if (mpfr_cmp (MPC_RE(z), fr) != 0 || mpfr_cmp (MPC_IM(z), fr) != 0)
        PRINT_ERROR ("mpc_set_ld_ld", prec, z);

#if defined _MPC_H_HAVE_COMPLEX
      mpc_set_ldc (z, I*1.23456789L+1.23456789L, MPC_RNDNN);
      if (mpfr_cmp (MPC_RE(z), fr) != 0 || mpfr_cmp (MPC_IM(z), fr) != 0)
        PRINT_ERROR ("mpc_set_lc", prec, z);
#endif
      mpc_set_ui_ui (z, u, u, MPC_RNDNN);
      if (mpfr_cmp_ui (MPC_RE(z), u) != 0
          || mpfr_cmp_ui (MPC_IM(z), u) != 0)
        PRINT_ERROR ("mpc_set_ui_ui", prec, z);

      mpc_set_ld (z, 1.23456789L, MPC_RNDNN);
      mpfr_clear_flags ();
      if (mpfr_cmp (MPC_RE(z), fr) != 0
          || mpfr_cmp_ui (MPC_IM(z), 0) != 0
          || mpfr_erangeflag_p())
        PRINT_ERROR ("mpc_set_ld", prec, z);

      mpc_set_prec (x, prec);
      mpfr_set_ui(fr, 1, GMP_RNDN);
      mpfr_div_ui(fr, fr, 3, GMP_RNDN);
      mpfr_set(MPC_RE(x), fr, GMP_RNDN);
      mpfr_set(MPC_IM(x), fr, GMP_RNDN);

      mpc_set (z, x, MPC_RNDNN);
      mpfr_clear_flags (); /* mpc_cmp set erange flag when an operand is a
                              NaN */
      if (mpc_cmp (z, x) != 0 || mpfr_erangeflag_p())
        {
          printf ("Error in mpc_set for prec = %lu\n",
                  (unsigned long int) prec);
          MPC_OUT(z);
          MPC_OUT(x);
          exit (1);
        }

      mpc_set_si_si (z, lo, lo, MPC_RNDNN);
      if (mpfr_cmp_si (MPC_RE(z), lo) != 0
          || mpfr_cmp_si (MPC_IM(z), lo) != 0)
        PRINT_ERROR ("mpc_set_si_si", prec, z);

      mpc_set_fr (z, fr, MPC_RNDNN);
      mpfr_clear_flags ();
      if (mpfr_cmp (MPC_RE(z), fr) != 0
          || mpfr_cmp_ui (MPC_IM(z), 0) != 0
          || mpfr_erangeflag_p())
        PRINT_ERROR ("mpc_set_fr", prec, z);

      mpfr_set_z (fr, mpz, GMP_RNDN);
      mpc_set_z_z (z, mpz, mpz, MPC_RNDNN);
      mpfr_clear_flags ();
      if (mpfr_cmp (MPC_RE(z), fr) != 0
          || mpfr_cmp (MPC_IM(z), fr) != 0
          || mpfr_erangeflag_p())
        PRINT_ERROR ("mpc_set_z_z", prec, z);

      mpc_set_fr_fr (z, fr, fr, MPC_RNDNN);
      mpfr_clear_flags ();
      if (mpfr_cmp (MPC_RE(z), fr) != 0
          || mpfr_cmp (MPC_IM(z), fr) != 0
          || mpfr_erangeflag_p())
        PRINT_ERROR ("mpc_set_fr_fr", prec, z);

      mpc_set_z (z, mpz, MPC_RNDNN);
      mpfr_clear_flags ();
      if (mpfr_cmp (MPC_RE(z), fr) != 0
          || mpfr_cmp_ui (MPC_IM(z), 0) != 0
          || mpfr_erangeflag_p())
        PRINT_ERROR ("mpc_set_z", prec, z);

      mpfr_set_q (fr, mpq, GMP_RNDN);
      mpc_set_q_q (z, mpq, mpq, MPC_RNDNN);
      mpfr_clear_flags ();
      if (mpfr_cmp (MPC_RE(z), fr) != 0
          || mpfr_cmp (MPC_IM(z), fr) != 0
          || mpfr_erangeflag_p())
        PRINT_ERROR ("mpc_set_q_q", prec, z);

      mpc_set_ui_fr (z, u, fr, MPC_RNDNN);
      mpfr_clear_flags ();
      if (mpfr_cmp_ui (MPC_RE (z), u) != 0
          || mpfr_cmp (MPC_IM (z), fr) != 0
          || mpfr_erangeflag_p ())
        PRINT_ERROR ("mpc_set_ui_fr", prec, z);

      mpc_set_fr_ui (z, fr, u, MPC_RNDNN);
      mpfr_clear_flags ();
      if (mpfr_cmp (MPC_RE (z), fr) != 0
          || mpfr_cmp_ui (MPC_IM (z), u) != 0
          || mpfr_erangeflag_p())
        PRINT_ERROR ("mpc_set_fr_ui", prec, z);

      mpc_set_q (z, mpq, MPC_RNDNN);
      mpfr_clear_flags ();
      if (mpfr_cmp (MPC_RE(z), fr) != 0
          || mpfr_cmp_ui (MPC_IM(z), 0) != 0
          || mpfr_erangeflag_p())
        PRINT_ERROR ("mpc_set_q", prec, z);

      mpfr_set_f (fr, mpf, GMP_RNDN);
      mpc_set_f_f (z, mpf, mpf, MPC_RNDNN);
      mpfr_clear_flags ();
      if (mpfr_cmp (MPC_RE(z), fr) != 0
          || mpfr_cmp (MPC_IM(z), fr) != 0
          || mpfr_erangeflag_p())
        PRINT_ERROR ("mpc_set_f_f", prec, z);

      mpc_set_f (z, mpf, MPC_RNDNN);
      mpfr_clear_flags ();
      if (mpfr_cmp (MPC_RE(z), fr) != 0
          || mpfr_cmp_ui (MPC_IM(z), 0) != 0
          || mpfr_erangeflag_p())
        PRINT_ERROR ("mpc_set_f", prec, z);

      mpc_set_f_si (z, mpf, lo, MPC_RNDNN);
      mpfr_clear_flags ();
      if (mpfr_cmp (MPC_RE (z), fr) != 0
          || mpfr_cmp_si (MPC_IM (z), lo) != 0
          || mpfr_erangeflag_p ())
        PRINT_ERROR ("mpc_set_f", prec, z);

      mpc_set_nan (z);
      if (!mpfr_nan_p (MPC_RE(z)) || !mpfr_nan_p (MPC_IM(z)))
        PRINT_ERROR ("mpc_set_nan", prec, z);

#ifdef _MPC_H_HAVE_INTMAX_T
      {
        uintmax_t uim = (uintmax_t) prec;
        intmax_t im = (intmax_t) prec;

        mpc_set_uj (z, uim, MPC_RNDNN);
        if (mpfr_cmp_ui (MPC_RE(z), u) != 0
            || mpfr_cmp_ui (MPC_IM(z), 0) != 0)
          PRINT_ERROR ("mpc_set_uj", prec, z);

        mpc_set_sj (z, im, MPC_RNDNN);
        if (mpfr_cmp_ui (MPC_RE(z), u) != 0
            || mpfr_cmp_ui (MPC_IM(z), 0) != 0)
          PRINT_ERROR ("mpc_set_sj (1)", prec, z);

        mpc_set_uj_uj (z, uim, uim, MPC_RNDNN);
        if (mpfr_cmp_ui (MPC_RE(z), u) != 0
            || mpfr_cmp_ui (MPC_IM(z), u) != 0)
          PRINT_ERROR ("mpc_set_uj_uj", prec, z);

        mpc_set_sj_sj (z, im, im, MPC_RNDNN);
        if (mpfr_cmp_ui (MPC_RE(z), u) != 0
            || mpfr_cmp_ui (MPC_IM(z), u) != 0)
          PRINT_ERROR ("mpc_set_sj_sj (1)", prec, z);

        im = LONG_MAX;
        if (sizeof (intmax_t) == 2 * sizeof (unsigned long))
          im = 2 * im * im + 4 * im + 1; /* gives 2^(2n-1)-1 from 2^(n-1)-1 */

        mpc_set_sj (z, im, MPC_RNDNN);
        if (mpfr_get_sj (MPC_RE(z), GMP_RNDN) != im ||
            mpfr_cmp_ui (MPC_IM(z), 0) != 0)
          PRINT_ERROR ("mpc_set_sj (2)", im, z);

        mpc_set_sj_sj (z, im, im, MPC_RNDNN);
        if (mpfr_get_sj (MPC_RE(z), GMP_RNDN) != im ||
            mpfr_get_sj (MPC_IM(z), GMP_RNDN) != im)
          PRINT_ERROR ("mpc_set_sj_sj (2)", im, z);
      }
#endif /* _MPC_H_HAVE_INTMAX_T */

#if defined _MPC_H_HAVE_COMPLEX
      {
         double _Complex c = 1.0 - 2.0*I;
         long double _Complex lc = c;

         mpc_set_dc (z, c, MPC_RNDNN);
         if (mpc_get_dc (z, MPC_RNDNN) != c)
            PRINT_ERROR ("mpc_get_c", prec, z);
         mpc_set_ldc (z, lc, MPC_RNDNN);
         if (mpc_get_ldc (z, MPC_RNDNN) != lc)
            PRINT_ERROR ("mpc_get_lc", prec, z);
      }
#endif
    }

  mpz_clear (mpz);
  mpq_clear (mpq);
  mpf_clear (mpf);
  mpfr_clear (fr);
  mpc_clear (x);
  mpc_clear (z);
}