Exemple #1
0
static void
test_cmp_f (mpfr_prec_t pmin, mpfr_prec_t pmax, int nmax)
{
  mpfr_t x, z;
  mpf_t  y;
  mpfr_prec_t p;
  int res1, res2;
  int n;

  mpfr_init (x);
  mpfr_init2 (z, pmax+GMP_NUMB_BITS);
  mpf_init2 (y, MPFR_PREC_MIN);

  /* check the erange flag when x is NaN */
  mpfr_set_nan (x);
  mpf_set_ui (y, 17);
  mpfr_clear_erangeflag ();
  res1 = mpfr_cmp_f (x, y);
  if (res1 != 0 || mpfr_erangeflag_p () == 0)
    {
      printf ("Error for mpfr_cmp_f (NaN, 17)\n");
      printf ("Return value: expected 0, got %d\n", res1);
      printf ("Erange flag: expected set, got %d\n", mpfr_erangeflag_p ());
      exit (1);
    }

  for(p=pmin ; p < pmax ; p+=3)
    {
      mpfr_set_prec (x, p);
      mpf_set_prec (y, p);
      for ( n = 0; n < nmax ; n++)
        {
          mpfr_urandomb (x, RANDS);
          mpf_urandomb  (y, RANDS, p);
          if (!MPFR_IS_SINGULAR (x))
            {
              mpfr_set_f (z, y, MPFR_RNDN);
              mpfr_sub   (z, x, z, MPFR_RNDN);
              res1 = mpfr_sgn (z);
              res2 = mpfr_cmp_f (x, y);
              if (res1 != res2)
                {
                  printf("Error for mpfr_cmp_f: res=%d sub gives %d\n",
                         res2, res1);
                  exit (1);
                }
            }
        }
    }
  mpf_clear (y);
  mpfr_clear (x);
  mpfr_clear (z);
}
Exemple #2
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 #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);
}
Exemple #4
0
int
main (int argc, char *argv[])
{
  mpfr_t x;
  long k, z, d, N;
  unsigned long zl, dl;
  int inex;
  int r;
  mpfr_exp_t emin, emax;
  int flag;

  tests_start_mpfr ();

  mpfr_init2 (x, 100);

  N = (argc==1) ? 100000 : atol (argv[1]);

  for (k = 1; k <= N; k++)
    {
      z = (long) (randlimb () & LONG_MAX) + LONG_MIN / 2;
      inex = mpfr_set_si (x, z, MPFR_RNDZ);
      d = mpfr_get_si (x, MPFR_RNDZ);
      if (d != z)
        {
          printf ("Error in mpfr_set_si: expected %ld got %ld\n", z, d);
          exit (1);
        }
      if (inex)
        {
          printf ("Error in mpfr_set_si: inex value incorrect for %ld: %d\n",
                  z, inex);
          exit (1);
        }
    }

  for (k = 1; k <= N; k++)
    {
      zl = randlimb ();
      inex = mpfr_set_ui (x, zl, MPFR_RNDZ);
      dl = mpfr_get_ui (x, MPFR_RNDZ);
      if (dl != zl)
        {
          printf ("Error in mpfr_set_ui: expected %lu got %lu\n", zl, dl);
          exit (1);
        }
      if (inex)
        {
          printf ("Error in mpfr_set_ui: inex value incorrect for %lu: %d\n",
                  zl, inex);
          exit (1);
        }
    }

  mpfr_set_prec (x, 2);
  if (mpfr_set_si (x, 5, MPFR_RNDZ) >= 0)
    {
      printf ("Wrong inexact flag for x=5, rnd=MPFR_RNDZ\n");
      exit (1);
    }

  mpfr_set_prec (x, 2);
  if (mpfr_set_si (x, -5, MPFR_RNDZ) <= 0)
    {
      printf ("Wrong inexact flag for x=-5, rnd=MPFR_RNDZ\n");
      exit (1);
    }

  mpfr_set_prec (x, 3);
  inex = mpfr_set_si (x, 77617, MPFR_RNDD); /* should be 65536 */
  if (MPFR_MANT(x)[0] != ((mp_limb_t)1 << (mp_bits_per_limb-1))
      || inex >= 0)
    {
      printf ("Error in mpfr_set_si(x:3, 77617, MPFR_RNDD)\n");
      mpfr_print_binary (x);
      puts ("");
      exit (1);
    }
  inex = mpfr_set_ui (x, 77617, MPFR_RNDD); /* should be 65536 */
  if (MPFR_MANT(x)[0] != ((mp_limb_t)1 << (mp_bits_per_limb-1))
      || inex >= 0)
    {
      printf ("Error in mpfr_set_ui(x:3, 77617, MPFR_RNDD)\n");
      mpfr_print_binary (x);
      puts ("");
      exit (1);
    }

  mpfr_set_prec (x, 2);
  inex = mpfr_set_si (x, 33096, MPFR_RNDU);
  if (mpfr_get_si (x, MPFR_RNDZ) != 49152 || inex <= 0)
    {
      printf ("Error in mpfr_set_si, exp. 49152, got %ld, inex %d\n",
              mpfr_get_si (x, MPFR_RNDZ), inex);
      exit (1);
    }
  inex = mpfr_set_ui (x, 33096, MPFR_RNDU);
  if (mpfr_get_si (x, MPFR_RNDZ) != 49152)
    {
      printf ("Error in mpfr_set_ui, exp. 49152, got %ld, inex %d\n",
              mpfr_get_si (x, MPFR_RNDZ), inex);
      exit (1);
    }
  /* Also test the mpfr_set_ui function (instead of macro). */
  inex = (mpfr_set_ui) (x, 33096, MPFR_RNDU);
  if (mpfr_get_si (x, MPFR_RNDZ) != 49152)
    {
      printf ("Error in mpfr_set_ui function, exp. 49152, got %ld, inex %d\n",
              mpfr_get_si (x, MPFR_RNDZ), inex);
      exit (1);
    }

  for (r = 0 ; r < MPFR_RND_MAX ; r++)
    {
      mpfr_set_si (x, -1, (mpfr_rnd_t) r);
      mpfr_set_ui (x, 0, (mpfr_rnd_t) r);
      if (MPFR_IS_NEG (x) || mpfr_get_ui (x, (mpfr_rnd_t) r) != 0)
        {
          printf ("mpfr_set_ui (x, 0) gives -0 for %s\n",
                  mpfr_print_rnd_mode ((mpfr_rnd_t) r));
          exit (1);
        }

      mpfr_set_si (x, -1, (mpfr_rnd_t) r);
      mpfr_set_si (x, 0, (mpfr_rnd_t) r);
      if (MPFR_IS_NEG (x) || mpfr_get_si (x, (mpfr_rnd_t) r) != 0)
        {
          printf ("mpfr_set_si (x, 0) gives -0 for %s\n",
                  mpfr_print_rnd_mode ((mpfr_rnd_t) r));
          exit (1);
        }
    }

  /* check potential bug in case mp_limb_t is unsigned */
  emax = mpfr_get_emax ();
  set_emax (0);
  mpfr_set_si (x, -1, MPFR_RNDN);
  if (mpfr_sgn (x) >= 0)
    {
      printf ("mpfr_set_si (x, -1) fails\n");
      exit (1);
    }
  set_emax (emax);

  emax = mpfr_get_emax ();
  set_emax (5);
  mpfr_set_prec (x, 2);
  mpfr_set_si (x, -31, MPFR_RNDN);
  if (mpfr_sgn (x) >= 0)
    {
      printf ("mpfr_set_si (x, -31) fails\n");
      exit (1);
    }
  set_emax (emax);

  /* test for get_ui */
  mpfr_set_ui (x, 0, MPFR_RNDN);
  MPFR_ASSERTN(mpfr_get_ui (x, MPFR_RNDN) == 0);
  mpfr_set_ui (x, ULONG_MAX, MPFR_RNDU);
  mpfr_nextabove (x);
  mpfr_get_ui (x, MPFR_RNDU);

  /* another test for get_ui */
  mpfr_set_prec (x, 10);
  mpfr_set_str_binary (x, "10.101");
  dl = mpfr_get_ui (x, MPFR_RNDN);
  MPFR_ASSERTN (dl == 3);

  mpfr_set_str_binary (x, "-1.0");
  mpfr_get_ui (x, MPFR_RNDN);

  mpfr_set_str_binary (x, "0.1");
  dl = mpfr_get_ui (x, MPFR_RNDN);
  MPFR_ASSERTN (dl == 0);
  dl = mpfr_get_ui (x, MPFR_RNDZ);
  MPFR_ASSERTN (dl == 0);
  dl = mpfr_get_ui (x, MPFR_RNDD);
  MPFR_ASSERTN (dl == 0);
  dl = mpfr_get_ui (x, MPFR_RNDU);
  MPFR_ASSERTN (dl == 1);

  /* coverage tests */
  mpfr_set_prec (x, 2);
  mpfr_set_si (x, -7, MPFR_RNDD);
  MPFR_ASSERTN(mpfr_cmp_si (x, -8) == 0);
  mpfr_set_prec (x, 2);
  mpfr_set_ui (x, 7, MPFR_RNDU);
  MPFR_ASSERTN(mpfr_cmp_ui (x, 8) == 0);
  emax = mpfr_get_emax ();
  set_emax (3);
  mpfr_set_ui (x, 7, MPFR_RNDU);
  MPFR_ASSERTN(mpfr_inf_p (x) && mpfr_sgn (x) > 0);
  set_emax (1);
  MPFR_ASSERTN( mpfr_set_ui (x, 7, MPFR_RNDU) );
  MPFR_ASSERTN(mpfr_inf_p (x) && mpfr_sgn (x) > 0);
  set_emax (emax);
  mpfr_set_ui_2exp (x, 17, -50, MPFR_RNDN);
  MPFR_ASSERTN (mpfr_get_ui (x, MPFR_RNDD) == 0);
  MPFR_ASSERTN (mpfr_get_si (x, MPFR_RNDD) == 0);

  /* Test for ERANGE flag + correct behaviour if overflow */
  mpfr_set_prec (x, 256);
  mpfr_set_ui (x, ULONG_MAX, MPFR_RNDN);
  mpfr_clear_erangeflag ();
  dl = mpfr_get_ui (x, MPFR_RNDN);
  if (dl != ULONG_MAX || mpfr_erangeflag_p ())
    {
      printf ("ERROR for get_ui + ERANGE + ULONG_MAX (1)\n");
      exit (1);
    }
  mpfr_add_ui (x, x, 1, MPFR_RNDN);
  dl = mpfr_get_ui (x, MPFR_RNDN);
  if (dl != ULONG_MAX || !mpfr_erangeflag_p ())
    {
      printf ("ERROR for get_ui + ERANGE + ULONG_MAX (2)\n");
      exit (1);
    }
  mpfr_set_si (x, -1, MPFR_RNDN);
  mpfr_clear_erangeflag ();
  dl = mpfr_get_ui (x, MPFR_RNDN);
  if (dl != 0 || !mpfr_erangeflag_p ())
    {
      printf ("ERROR for get_ui + ERANGE + -1 \n");
      exit (1);
    }
  mpfr_set_si (x, LONG_MAX, MPFR_RNDN);
  mpfr_clear_erangeflag ();
  d = mpfr_get_si (x, MPFR_RNDN);
  if (d != LONG_MAX || mpfr_erangeflag_p ())
    {
      printf ("ERROR for get_si + ERANGE + LONG_MAX (1): %ld\n", d);
      exit (1);
    }
  mpfr_add_ui (x, x, 1, MPFR_RNDN);
  d = mpfr_get_si (x, MPFR_RNDN);
  if (d != LONG_MAX || !mpfr_erangeflag_p ())
    {
      printf ("ERROR for get_si + ERANGE + LONG_MAX (2)\n");
      exit (1);
    }
  mpfr_set_si (x, LONG_MIN, MPFR_RNDN);
  mpfr_clear_erangeflag ();
  d = mpfr_get_si (x, MPFR_RNDN);
  if (d != LONG_MIN || mpfr_erangeflag_p ())
    {
      printf ("ERROR for get_si + ERANGE + LONG_MIN (1)\n");
      exit (1);
    }
  mpfr_sub_ui (x, x, 1, MPFR_RNDN);
  d = mpfr_get_si (x, MPFR_RNDN);
  if (d != LONG_MIN || !mpfr_erangeflag_p ())
    {
      printf ("ERROR for get_si + ERANGE + LONG_MIN (2)\n");
      exit (1);
    }

  mpfr_set_nan (x);
  mpfr_clear_erangeflag ();
  d = mpfr_get_ui (x, MPFR_RNDN);
  if (d != 0 || !mpfr_erangeflag_p ())
    {
      printf ("ERROR for get_ui + NaN\n");
      exit (1);
    }
  mpfr_clear_erangeflag ();
  d = mpfr_get_si (x, MPFR_RNDN);
  if (d != 0 || !mpfr_erangeflag_p ())
    {
      printf ("ERROR for get_si + NaN\n");
      exit (1);
    }

  emin = mpfr_get_emin ();
  mpfr_set_prec (x, 2);

  mpfr_set_emin (4);
  mpfr_clear_flags ();
  mpfr_set_ui (x, 7, MPFR_RNDU);
  flag = mpfr_underflow_p ();
  mpfr_set_emin (emin);
  if (mpfr_cmp_ui (x, 8) != 0)
    {
      printf ("Error for mpfr_set_ui (x, 7, MPFR_RNDU), prec = 2, emin = 4\n");
      exit (1);
    }
  if (flag)
    {
      printf ("mpfr_set_ui (x, 7, MPFR_RNDU) should not underflow "
              "with prec = 2, emin = 4\n");
      exit (1);
    }

  mpfr_set_emin (4);
  mpfr_clear_flags ();
  mpfr_set_si (x, -7, MPFR_RNDD);
  flag = mpfr_underflow_p ();
  mpfr_set_emin (emin);
  if (mpfr_cmp_si (x, -8) != 0)
    {
      printf ("Error for mpfr_set_si (x, -7, MPFR_RNDD), prec = 2, emin = 4\n");
      exit (1);
    }
  if (flag)
    {
      printf ("mpfr_set_si (x, -7, MPFR_RNDD) should not underflow "
              "with prec = 2, emin = 4\n");
      exit (1);
    }

  mpfr_clear (x);

  test_2exp ();
  test_macros ();
  test_macros_keyword ();
  tests_end_mpfr ();
  return 0;
}
Exemple #5
0
int
main (void)
{
  double x, y;
  mpfr_t xx, yy;
  int c;
  long i;
  mpfr_prec_t p;

  tests_start_mpfr ();

  mpfr_init (xx);
  mpfr_init (yy);

  mpfr_set_prec (xx, 2);
  mpfr_set_prec (yy, 2);
  mpfr_set_str_binary(xx, "-0.10E0");
  mpfr_set_str_binary(yy, "-0.10E0");
  if ((mpfr_cmp) (xx, yy))
    {
      printf ("mpfr_cmp (xx, yy) returns non-zero for prec=2\n");
      exit (1);
    }

  mpfr_set_prec (xx, 65);
  mpfr_set_prec (yy, 65);
  mpfr_set_str_binary(xx, "0.10011010101000110101010000000011001001001110001011101011111011101E623");
  mpfr_set_str_binary(yy, "0.10011010101000110101010000000011001001001110001011101011111011100E623");
  p = 0;
  if (mpfr_cmp2 (xx, yy, &p) <= 0 || p != 64)
    {
      printf ("Error (1) in mpfr_cmp2\n");
      exit (1);
    }
  mpfr_set_str_binary(xx, "0.10100010001110110111000010001000010011111101000100011101000011100");
  mpfr_set_str_binary(yy, "0.10100010001110110111000010001000010011111101000100011101000011011");
  p = 0;
  if (mpfr_cmp2 (xx, yy, &p) <= 0 || p != 64)
    {
      printf ("Error (2) in mpfr_cmp2\n");
      exit (1);
    }

  mpfr_set_prec (xx, 160); mpfr_set_prec (yy, 160);
  mpfr_set_str_binary (xx, "0.1E1");
  mpfr_set_str_binary (yy, "0.1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111100000110001110100");
  p = 0;
  if (mpfr_cmp2 (xx, yy, &p) <= 0 || p != 144)
    {
      printf ("Error (3) in mpfr_cmp2\n");
      exit (1);
    }

  mpfr_set_prec (xx, 53);
  mpfr_set_prec (yy, 200);
  mpfr_set_ui (xx, 1, (mpfr_rnd_t) 0);
  mpfr_set_ui (yy, 1, (mpfr_rnd_t) 0);
  if (mpfr_cmp (xx, yy) != 0)
    {
      printf ("Error in mpfr_cmp: 1.0 != 1.0\n");
      exit (1);
    }
  mpfr_set_prec (yy, 31);
  mpfr_set_str (xx, "1.0000000002", 10, (mpfr_rnd_t) 0);
  mpfr_set_ui (yy, 1, (mpfr_rnd_t) 0);
  if (!(mpfr_cmp (xx,yy)>0))
    {
      printf ("Error in mpfr_cmp: not 1.0000000002 > 1.0\n");
      exit (1);
    }
  mpfr_set_prec (yy, 53);

  /* bug found by Gerardo Ballabio */
  mpfr_set_ui(xx, 0, MPFR_RNDN);
  mpfr_set_str (yy, "0.1", 10, MPFR_RNDN);
  if ((c = mpfr_cmp (xx, yy)) >= 0)
    {
      printf ("Error in mpfr_cmp(0.0, 0.1), gives %d\n", c);
      exit (1);
    }

  mpfr_set_inf (xx, 1);
  mpfr_set_str (yy, "-23489745.0329", 10, MPFR_RNDN);
  if ((c = mpfr_cmp (xx, yy)) <= 0)
    {
      printf ("Error in mpfr_cmp(Infp, 23489745.0329), gives %d\n", c);
      exit (1);
    }

  mpfr_set_inf (xx, 1);
  mpfr_set_inf (yy, -1);
  if ((c = mpfr_cmp (xx, yy)) <= 0)
    {
      printf ("Error in mpfr_cmp(Infp, Infm), gives %d\n", c);
      exit (1);
    }

  mpfr_set_inf (xx, -1);
  mpfr_set_inf (yy, 1);
  if ((c = mpfr_cmp (xx, yy)) >= 0)
    {
      printf ("Error in mpfr_cmp(Infm, Infp), gives %d\n", c);
      exit (1);
    }

  mpfr_set_inf (xx, 1);
  mpfr_set_inf (yy, 1);
  if ((c = mpfr_cmp (xx, yy)) != 0)
    {
      printf ("Error in mpfr_cmp(Infp, Infp), gives %d\n", c);
      exit (1);
    }

  mpfr_set_inf (xx, -1);
  mpfr_set_inf (yy, -1);
  if ((c = mpfr_cmp (xx, yy)) != 0)
    {
      printf ("Error in mpfr_cmp(Infm, Infm), gives %d\n", c);
      exit (1);
    }

  mpfr_set_inf (xx, -1);
  mpfr_set_str (yy, "2346.09234", 10, MPFR_RNDN);
  if ((c = mpfr_cmp (xx, yy)) >= 0)
    {
      printf ("Error in mpfr_cmp(Infm, 2346.09234), gives %d\n", c);
      exit (1);
    }

  mpfr_set_ui (xx, 0, MPFR_RNDN);
  mpfr_set_ui (yy, 1, MPFR_RNDN);
  if ((c = mpfr_cmp3 (xx, yy, 1)) >= 0)
    {
      printf ("Error: mpfr_cmp3 (0, 1, 1) gives %d instead of"
              " a negative value\n", c);
      exit (1);
    }
  if ((c = mpfr_cmp3 (xx, yy, -1)) <= 0)
    {
      printf ("Error: mpfr_cmp3 (0, 1, -1) gives %d instead of"
              " a positive value\n", c);
      exit (1);
    }

  for (i=0; i<500000; )
    {
      x = DBL_RAND ();
      y = DBL_RAND ();
      if (!Isnan(x) && !Isnan(y))
        {
          i++;
          mpfr_set_d (xx, x, MPFR_RNDN);
          mpfr_set_d (yy, y, MPFR_RNDN);
          c = mpfr_cmp (xx,yy);
          if ((c>0 && x<=y) || (c==0 && x!=y) || (c<0 && x>=y))
            {
              printf ("Error in mpfr_cmp with x=%1.20e, y=%1.20e"
                      " mpfr_cmp(x,y)=%d\n", x, y, c);
              exit (1);
            }
        }
    }

  /* Check for NAN */
  mpfr_set_nan (xx);
  mpfr_clear_erangeflag ();
  c = (mpfr_cmp) (xx, yy);
  if (c != 0 || !mpfr_erangeflag_p () )
    {
      printf ("NAN error (1)\n");
      exit (1);
    }
  mpfr_clear_erangeflag ();
  c = (mpfr_cmp) (yy, xx);
  if (c != 0 || !mpfr_erangeflag_p () )
    {
      printf ("NAN error (2)\n");
      exit (1);
    }
  mpfr_clear_erangeflag ();
  c = (mpfr_cmp) (xx, xx);
  if (c != 0 || !mpfr_erangeflag_p () )
    {
      printf ("NAN error (3)\n");
      exit (1);
    }

  mpfr_clear (xx);
  mpfr_clear (yy);

  tests_end_mpfr ();
  return 0;
}
Exemple #6
0
int
main (void)
{
  mpfr_t x;
  int c;

  tests_start_mpfr ();

  mpfr_init2(x, MPFR_LDBL_MANT_DIG);

  mpfr_set_ld (x, 2.34763465, GMP_RNDN);
  if (mpfr_cmp_ld(x, 2.34763465)!=0) {
    printf("Error in mpfr_cmp_ld 2.34763465 and ");
    mpfr_out_str(stdout, 10, 0, x, GMP_RNDN); putchar('\n');
    exit(1);
  }
  if (mpfr_cmp_ld(x, 2.345)<=0) {
    printf("Error in mpfr_cmp_ld 2.345 and ");
    mpfr_out_str(stdout, 10, 0, x, GMP_RNDN); putchar('\n');
    exit(1);
  }
  if (mpfr_cmp_ld(x, 2.4)>=0) {
    printf("Error in mpfr_cmp_ld 2.4 and ");
    mpfr_out_str(stdout, 10, 0, x, GMP_RNDN); putchar('\n');
    exit(1);
  }

  mpfr_set_ui (x, 0, GMP_RNDZ);
  mpfr_neg (x, x, GMP_RNDZ);
  if (mpfr_cmp_ld (x, 0.0)) {
    printf("Error in mpfr_cmp_ld 0.0 and ");
    mpfr_out_str(stdout, 10, 0, x, GMP_RNDN); putchar('\n');
    exit(1);
  }

  mpfr_set_ui (x, 0, GMP_RNDN);
  mpfr_ui_div (x, 1, x, GMP_RNDU);
  if (mpfr_cmp_ld (x, 0.0) == 0)
    {
      printf ("Error in mpfr_cmp_ld (Inf, 0)\n");
      exit (1);
    }

  /* Check NAN */
  mpfr_clear_erangeflag ();
  c = mpfr_cmp_ld (x, DBL_NAN);
  if (c != 0 || !mpfr_erangeflag_p ())
    {
      printf ("ERROR for NAN (1)\n");
      exit (1);
    }
  mpfr_set_nan (x);
  mpfr_clear_erangeflag ();
  c = mpfr_cmp_ld (x, 2.0);
  if (c != 0 || !mpfr_erangeflag_p ())
    {
      printf ("ERROR for NAN (2)\n");
      exit (1);
    }


  mpfr_clear(x);

  tests_end_mpfr ();
  return 0;
}
Exemple #7
0
int
main (void)
{
  mpfr_t x;

  tests_start_mpfr ();

  mpfr_init2(x, MPFR_LDBL_MANT_DIG);

  mpfr_set_ld (x, 2.34763465L, MPFR_RNDN);
  if (mpfr_cmp_ld(x, 2.34763465L)!=0) {
    printf("Error in mpfr_cmp_ld 2.34763465 and ");
    mpfr_out_str(stdout, 10, 0, x, MPFR_RNDN); putchar('\n');
    exit(1);
  }
  if (mpfr_cmp_ld(x, 2.345L)<=0) {
    printf("Error in mpfr_cmp_ld 2.345 and ");
    mpfr_out_str(stdout, 10, 0, x, MPFR_RNDN); putchar('\n');
    exit(1);
  }
  if (mpfr_cmp_ld(x, 2.4L)>=0) {
    printf("Error in mpfr_cmp_ld 2.4 and ");
    mpfr_out_str(stdout, 10, 0, x, MPFR_RNDN); putchar('\n');
    exit(1);
  }

  mpfr_set_ui (x, 0, MPFR_RNDZ);
  mpfr_neg (x, x, MPFR_RNDZ);
  if (mpfr_cmp_ld (x, 0.0)) {
    printf("Error in mpfr_cmp_ld 0.0 and ");
    mpfr_out_str(stdout, 10, 0, x, MPFR_RNDN); putchar('\n');
    exit(1);
  }

  mpfr_set_ui (x, 0, MPFR_RNDN);
  mpfr_ui_div (x, 1, x, MPFR_RNDU);
  if (mpfr_cmp_ld (x, 0.0) == 0)
    {
      printf ("Error in mpfr_cmp_ld (Inf, 0)\n");
      exit (1);
    }

#if !defined(MPFR_ERRDIVZERO)
  /* Check NAN */
  {
    int c;

    mpfr_clear_erangeflag ();
    c = mpfr_cmp_ld (x, DBL_NAN);
    if (c != 0 || !mpfr_erangeflag_p ())
      {
        printf ("ERROR for NAN (1)\n");
#ifdef MPFR_NANISNAN
        printf ("The reason is that NAN == NAN. Please look at the configure "
                "output\nand Section \"In case of problem\" of the INSTALL "
                "file.\n");
#endif
        exit (1);
      }
    mpfr_set_nan (x);
    mpfr_clear_erangeflag ();
    c = mpfr_cmp_ld (x, 2.0);
    if (c != 0 || !mpfr_erangeflag_p ())
      {
        printf ("ERROR for NAN (2)\n");
#ifdef MPFR_NANISNAN
        printf ("The reason is that NAN == NAN. Please look at the configure "
                "output\nand Section \"In case of problem\" of the INSTALL "
                "file.\n");
#endif
        exit (1);
      }
  }
#endif  /* MPFR_ERRDIVZERO */

  mpfr_clear(x);

  tests_end_mpfr ();
  return 0;
}
Exemple #8
0
static void
check_set (void)
{
  mpfr_clear_flags ();

  mpfr_set_overflow ();
  MPFR_ASSERTN ((mpfr_overflow_p) ());
  mpfr_set_underflow ();
  MPFR_ASSERTN ((mpfr_underflow_p) ());
  mpfr_set_divby0 ();
  MPFR_ASSERTN ((mpfr_divby0_p) ());
  mpfr_set_nanflag ();
  MPFR_ASSERTN ((mpfr_nanflag_p) ());
  mpfr_set_inexflag ();
  MPFR_ASSERTN ((mpfr_inexflag_p) ());
  mpfr_set_erangeflag ();
  MPFR_ASSERTN ((mpfr_erangeflag_p) ());

  MPFR_ASSERTN (__gmpfr_flags == MPFR_FLAGS_ALL);

  mpfr_clear_overflow ();
  MPFR_ASSERTN (! (mpfr_overflow_p) ());
  mpfr_clear_underflow ();
  MPFR_ASSERTN (! (mpfr_underflow_p) ());
  mpfr_clear_divby0 ();
  MPFR_ASSERTN (! (mpfr_divby0_p) ());
  mpfr_clear_nanflag ();
  MPFR_ASSERTN (! (mpfr_nanflag_p) ());
  mpfr_clear_inexflag ();
  MPFR_ASSERTN (! (mpfr_inexflag_p) ());
  mpfr_clear_erangeflag ();
  MPFR_ASSERTN (! (mpfr_erangeflag_p) ());

  MPFR_ASSERTN (__gmpfr_flags == 0);

  (mpfr_set_overflow) ();
  MPFR_ASSERTN (mpfr_overflow_p ());
  (mpfr_set_underflow) ();
  MPFR_ASSERTN (mpfr_underflow_p ());
  (mpfr_set_divby0) ();
  MPFR_ASSERTN (mpfr_divby0_p ());
  (mpfr_set_nanflag) ();
  MPFR_ASSERTN (mpfr_nanflag_p ());
  (mpfr_set_inexflag) ();
  MPFR_ASSERTN (mpfr_inexflag_p ());
  (mpfr_set_erangeflag) ();
  MPFR_ASSERTN (mpfr_erangeflag_p ());

  MPFR_ASSERTN (__gmpfr_flags == MPFR_FLAGS_ALL);

  (mpfr_clear_overflow) ();
  MPFR_ASSERTN (! mpfr_overflow_p ());
  (mpfr_clear_underflow) ();
  MPFR_ASSERTN (! mpfr_underflow_p ());
  (mpfr_clear_divby0) ();
  MPFR_ASSERTN (! mpfr_divby0_p ());
  (mpfr_clear_nanflag) ();
  MPFR_ASSERTN (! mpfr_nanflag_p ());
  (mpfr_clear_inexflag) ();
  MPFR_ASSERTN (! mpfr_inexflag_p ());
  (mpfr_clear_erangeflag) ();
  MPFR_ASSERTN (! mpfr_erangeflag_p ());

  MPFR_ASSERTN (__gmpfr_flags == 0);
}
Exemple #9
0
int
main (void)
{
  mpfr_t xx, yy;
  int c;

  tests_start_mpfr ();

  mpfr_init2 (xx, 2);
  mpfr_init2 (yy, 2);

  mpfr_clear_erangeflag ();
  MPFR_SET_NAN (xx);
  MPFR_SET_NAN (yy);
  if (mpfr_cmpabs (xx, yy) != 0)
    ERROR ("mpfr_cmpabs (NAN,NAN) returns non-zero\n");
  if (!mpfr_erangeflag_p ())
    ERROR ("mpfr_cmpabs (NAN,NAN) doesn't set erange flag\n");

  mpfr_set_str_binary (xx, "0.10E0");
  mpfr_set_str_binary (yy, "-0.10E0");
  if (mpfr_cmpabs (xx, yy) != 0)
    ERROR ("mpfr_cmpabs (xx, yy) returns non-zero for prec=2\n");

  mpfr_set_prec (xx, 65);
  mpfr_set_prec (yy, 65);
  mpfr_set_str_binary (xx, "-0.10011010101000110101010000000011001001001110001011101011111011101E623");
  mpfr_set_str_binary (yy, "0.10011010101000110101010000000011001001001110001011101011111011100E623");
  if (mpfr_cmpabs (xx, yy) <= 0)
    ERROR ("Error (1) in mpfr_cmpabs\n");

  mpfr_set_str_binary (xx, "-0.10100010001110110111000010001000010011111101000100011101000011100");
  mpfr_set_str_binary (yy, "-0.10100010001110110111000010001000010011111101000100011101000011011");
  if (mpfr_cmpabs (xx, yy) <= 0)
    ERROR ("Error (2) in mpfr_cmpabs\n");

  mpfr_set_prec (xx, 160);
  mpfr_set_prec (yy, 160);
  mpfr_set_str_binary (xx, "0.1E1");
  mpfr_set_str_binary (yy, "-0.1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111100000110001110100");
  if (mpfr_cmpabs (xx, yy) <= 0)
    ERROR ("Error (3) in mpfr_cmpabs\n");

  mpfr_set_prec(xx, 53);
  mpfr_set_prec(yy, 200);
  mpfr_set_ui (xx, 1, (mpfr_rnd_t) 0);
  mpfr_set_ui (yy, 1, (mpfr_rnd_t) 0);
  if (mpfr_cmpabs(xx, yy) != 0)
    ERROR ("Error in mpfr_cmpabs: 1.0 != 1.0\n");

  mpfr_set_prec (yy, 31);
  mpfr_set_str (xx, "-1.0000000002", 10, (mpfr_rnd_t) 0);
  mpfr_set_ui (yy, 1, (mpfr_rnd_t) 0);
  if (!(mpfr_cmpabs(xx,yy)>0))
    ERROR ("Error in mpfr_cmpabs: not 1.0000000002 > 1.0\n");
  mpfr_set_prec(yy, 53);

  mpfr_set_ui(xx, 0, MPFR_RNDN);
  mpfr_set_str (yy, "-0.1", 10, MPFR_RNDN);
  if (mpfr_cmpabs(xx, yy) >= 0)
    ERROR ("Error in mpfr_cmpabs(0.0, 0.1)\n");

  mpfr_set_inf (xx, -1);
  mpfr_set_str (yy, "23489745.0329", 10, MPFR_RNDN);
  if (mpfr_cmpabs(xx, yy) <= 0)
    ERROR ("Error in mpfr_cmp(-Inf, 23489745.0329)\n");

  mpfr_set_inf (xx, 1);
  mpfr_set_inf (yy, -1);
  if (mpfr_cmpabs(xx, yy) != 0)
    ERROR ("Error in mpfr_cmpabs(Inf, -Inf)\n");

  mpfr_set_inf (yy, -1);
  mpfr_set_str (xx, "2346.09234", 10, MPFR_RNDN);
  if (mpfr_cmpabs (xx, yy) >= 0)
    ERROR ("Error in mpfr_cmpabs(-Inf, 2346.09234)\n");

  mpfr_set_prec (xx, 2);
  mpfr_set_prec (yy, 128);
  mpfr_set_str_binary (xx, "0.1E10");
  mpfr_set_str_binary (yy,
                       "0.100000000000000000000000000000000000000000000000"
                       "00000000000000000000000000000000000000000000001E10");
  if (mpfr_cmpabs (xx, yy) >= 0)
    ERROR ("Error in mpfr_cmpabs(10.235, 2346.09234)\n");
  mpfr_swap (xx, yy);
  if (mpfr_cmpabs(xx, yy) <= 0)
    ERROR ("Error in mpfr_cmpabs(2346.09234, 10.235)\n");
  mpfr_swap (xx, yy);

  /* Check for NAN */
  mpfr_set_nan (xx);
  mpfr_clear_erangeflag ();
  c = (mpfr_cmp) (xx, yy);
  if (c != 0 || !mpfr_erangeflag_p () )
    {
      printf ("NAN error (1)\n");
      exit (1);
    }
  mpfr_clear_erangeflag ();
  c = (mpfr_cmp) (yy, xx);
  if (c != 0 || !mpfr_erangeflag_p () )
    {
      printf ("NAN error (2)\n");
      exit (1);
    }
  mpfr_clear_erangeflag ();
  c = (mpfr_cmp) (xx, xx);
  if (c != 0 || !mpfr_erangeflag_p () )
    {
      printf ("NAN error (3)\n");
      exit (1);
    }

  mpfr_clear (xx);
  mpfr_clear (yy);

  tests_end_mpfr ();
  return 0;
}