示例#1
0
static void
check_different_precisions(void)
{
  /* check reuse when real and imaginary part have different precisions. */
  mpc_t z, expected, got;
  int res;

  mpc_init2(z, 128);
  mpc_init2(expected, 128);
  mpc_init2(got, 128);

  /* change precision of one part */
  mpfr_set_prec (mpc_imagref (z), 32);
  mpfr_set_prec (mpc_imagref (expected), 32);
  mpfr_set_prec (mpc_imagref (got), 32);

  mpfr_set_str (mpc_realref (z), "0x100000000fp-32", 16, GMP_RNDN);
  mpfr_set_str (mpc_imagref (z), "-1", 2, GMP_RNDN);
  mpfr_set_str (mpc_realref (expected), "+1", 2, GMP_RNDN);
  mpfr_set_str (mpc_imagref (expected), "0x100000000fp-32", 16, GMP_RNDN);

  mpc_set (got, z, MPC_RNDNN);
  res = mpc_mul_i (got, got, +1, MPC_RNDNN);
  if (MPC_INEX_RE(res) != 0 || MPC_INEX_IM(res) >=0)
    {
      printf("Wrong inexact flag for mpc_mul_i(z, z, n)\n"
             "     got (re=%2d, im=%2d)\nexpected (re= 0, im=-1)\n",
             MPC_INEX_RE(res), MPC_INEX_IM(res));
      exit(1);
    }
  if (mpc_cmp(got, expected) != 0)
    {
      printf ("Error for mpc_mul_i(z, z, n) for\n");
      MPC_OUT (z);
      printf ("n=+1\n");
      MPC_OUT (expected);
      MPC_OUT (got);

      exit (1);
    }

  mpc_neg (expected, expected, MPC_RNDNN);
  mpc_set (got, z, MPC_RNDNN);
  mpc_mul_i (got, got, -1, MPC_RNDNN);
  if (mpc_cmp(got, expected) != 0)
    {
      printf ("Error for mpc_mul_i(z, z, n) for\n");
      MPC_OUT (z);
      printf ("n=-1\n");
      MPC_OUT (expected);
      MPC_OUT (got);

      exit (1);
    }

  mpc_clear (z);
  mpc_clear (expected);
  mpc_clear (got);
}
static void
pure_real_argument (void)
{
  /* cosh(x -i*0) = cosh(x) +i*0 if x<0 */
  /* cosh(x -i*0) = cosh(x) -i*0 if x>0 */
  /* cosh(x +i*0) = cosh(x) -i*0 if x<0 */
  /* cosh(x -i*0) = cosh(x) +i*0 if x>0 */
  mpc_t u;
  mpc_t z;
  mpc_t cosh_z;

  mpc_init2 (z, 2);
  mpc_init2 (u, 100);
  mpc_init2 (cosh_z, 100);

  /* cosh(1 +i*0) = cosh(1) +i*0 */
  mpc_set_ui_ui (z, 1, 0, MPC_RNDNN);
  mpfr_cosh (MPC_RE (u), MPC_RE (z), GMP_RNDN);
  mpfr_set_ui (MPC_IM (u), 0, GMP_RNDN);
  mpc_cosh (cosh_z, z, MPC_RNDNN);
  if (mpc_cmp (cosh_z, u) != 0 || mpfr_signbit (MPC_IM (cosh_z)))
    TEST_FAILED ("mpc_cosh", z, cosh_z, u, MPC_RNDNN);

  /* cosh(1 -i*0) = cosh(1) -i*0 */
  mpc_conj (z, z, MPC_RNDNN);
  mpc_conj (u, u, MPC_RNDNN);
  mpc_cosh (cosh_z, z, MPC_RNDNN);
  if (mpc_cmp (cosh_z, u) != 0 || !mpfr_signbit (MPC_IM (cosh_z)))
    TEST_FAILED ("mpc_cosh", z, cosh_z, u, MPC_RNDNN);

  /* cosh(-1 +i*0) = cosh(1) -i*0 */
  mpc_neg (z, z, MPC_RNDNN);
  mpc_cosh (cosh_z, z, MPC_RNDNN);
  if (mpc_cmp (cosh_z, u) != 0 || !mpfr_signbit (MPC_IM (cosh_z)))
    TEST_FAILED ("mpc_cosh", z, cosh_z, u, MPC_RNDNN);

  /* cosh(-1 -i*0) = cosh(1) +i*0 */
  mpc_conj (z, z, MPC_RNDNN);
  mpc_conj (u, u, MPC_RNDNN);
  mpc_cosh (cosh_z, z, MPC_RNDNN);
  if (mpc_cmp (cosh_z, u) != 0 || mpfr_signbit (MPC_IM (cosh_z)))
    TEST_FAILED ("mpc_cosh", z, cosh_z, u, MPC_RNDNN);

  mpc_clear (cosh_z);
  mpc_clear (z);
  mpc_clear (u);
}
static void
pure_imaginary_argument (void)
{
  /* cosh(+0 +i*y) = cos y +i*0*sin y */
  /* cosh(-0 +i*y) = cos y -i*0*sin y */
  mpc_t u;
  mpc_t z;
  mpc_t cosh_z;

  mpc_init2 (z, 2);
  mpc_init2 (u, 100);
  mpc_init2 (cosh_z, 100);

  /* cosh(+0 +i) = cos(1) + i*0 */
  mpc_set_ui_ui (z, 0, 1, MPC_RNDNN);
  mpfr_cos (MPC_RE (u), MPC_IM (z), GMP_RNDN);
  mpfr_set_ui (MPC_IM (u), 0, GMP_RNDN);
  mpc_cosh (cosh_z, z, MPC_RNDNN);
  if (mpc_cmp (cosh_z, u) != 0 || mpfr_signbit (MPC_IM (cosh_z)))
    TEST_FAILED ("mpc_cosh", z, cosh_z, u, MPC_RNDNN);

  /* cosh(+0 -i) = cos(1) - i*0 */
  mpc_conj (z, z, MPC_RNDNN);
  mpc_conj (u, u, MPC_RNDNN);
  mpc_cosh (cosh_z, z, MPC_RNDNN);
  if (mpc_cmp (cosh_z, u) != 0 || !mpfr_signbit (MPC_IM (cosh_z)))
    TEST_FAILED ("mpc_cosh", z, cosh_z, u, MPC_RNDNN);

  /* cosh(-0 +i) = cos(1) - i*0 */
  mpc_neg (z, z, MPC_RNDNN);
  mpc_cosh (cosh_z, z, MPC_RNDNN);
  if (mpc_cmp (cosh_z, u) != 0 || !mpfr_signbit (MPC_IM (cosh_z)))
    TEST_FAILED ("mpc_cosh", z, cosh_z, u, MPC_RNDNN);

  /* cosh(-0 -i) = cos(1) + i*0 */
  mpc_conj (z, z, MPC_RNDNN);
  mpc_conj (u, u, MPC_RNDNN);
  mpc_cosh (cosh_z, z, MPC_RNDNN);
  if (mpc_cmp (cosh_z, u) != 0 || mpfr_signbit (MPC_IM (cosh_z)))
    TEST_FAILED ("mpc_cosh", z, cosh_z, u, MPC_RNDNN);

  mpc_clear (cosh_z);
  mpc_clear (z);
  mpc_clear (u);
}
示例#4
0
文件: tpow_si.c 项目: Distrotech/mpc
static void
compare_mpc_pow (mpfr_prec_t pmax, int iter, unsigned long nbits)
   /* copied from tpow_ui.c and replaced unsigned by signed */
{
  mpfr_prec_t p;
  mpc_t x, y, z, t;
  long n;
  int i, inex_pow, inex_pow_si;
  mpc_rnd_t rnd;

  mpc_init3 (y, sizeof (unsigned long) * CHAR_BIT, MPFR_PREC_MIN);
  for (p = MPFR_PREC_MIN; p <= pmax; p++)
    for (i = 0; i < iter; i++)
      {
        mpc_init2 (x, p);
        mpc_init2 (z, p);
        mpc_init2 (t, p);
        mpc_urandom (x, rands);
        n = (signed long) gmp_urandomb_ui (rands, nbits);
        mpc_set_si (y, n, MPC_RNDNN);
        for (rnd = 0; rnd < 16; rnd ++)
          {
            inex_pow = mpc_pow (z, x, y, rnd);
            inex_pow_si = mpc_pow_si (t, x, n, rnd);
            if (mpc_cmp (z, t) != 0)
              {
                printf ("mpc_pow and mpc_pow_si differ for x=");
                mpc_out_str (stdout, 10, 0, x, MPC_RNDNN);
                printf (" n=%li\n", n);
                printf ("mpc_pow gives ");
                mpc_out_str (stdout, 10, 0, z, MPC_RNDNN);
                printf ("\nmpc_pow_si gives ");
                mpc_out_str (stdout, 10, 0, t, MPC_RNDNN);
                printf ("\n");
                exit (1);
              }
            if (inex_pow != inex_pow_si)
              {
                printf ("mpc_pow and mpc_pow_si give different flags for x=");
                mpc_out_str (stdout, 10, 0, x, MPC_RNDNN);
                printf (" n=%li\n", n);
                printf ("mpc_pow gives %d\n", inex_pow);
                printf ("mpc_pow_si gives %d\n", inex_pow_si);
                exit (1);
              }
          }
        mpc_clear (x);
        mpc_clear (z);
        mpc_clear (t);
      }
  mpc_clear (y);
}
示例#5
0
/* test out_str with stream=NULL */
static void
check_stdout (mpc_ptr read_number, mpc_ptr expected)
{
  char tmp_file[] = "mpc_test";
  int fd;
  size_t sz;

  fflush(stdout);
  fd = dup(fileno(stdout));
  if (freopen(tmp_file, "w", stdout) == NULL)
  {
     printf ("mpc_inp_str cannot redirect stdout\n");
     exit (1);
  }
  mpc_out_str (NULL, 2, 0, expected, MPC_RNDNN);
  fflush(stdout);
  dup2(fd, fileno(stdout));
  close(fd);
  clearerr(stdout);

  fflush(stdin);
  fd = dup(fileno(stdin));
  if (freopen(tmp_file, "r", stdin) == NULL)
  {
     printf ("mpc_inp_str cannot redirect stdout\n");
     exit (1);
  }
  if (mpc_inp_str (read_number, NULL, &sz, 2, MPC_RNDNN) == -1)
    {
      printf ("mpc_inp_str cannot correctly re-read number "
              "in file %s\n", tmp_file);
      exit (1);
    }
  mpfr_clear_flags (); /* mpc_cmp set erange flag when an operand is
                          a NaN */
  if (mpc_cmp (read_number, expected) != 0 || mpfr_erangeflag_p())
    {
      printf ("mpc_inp_str did not read the number which was written by "
              "mpc_out_str\n");
      OUT (read_number);
      OUT (expected);
      exit (1);
    }
  fflush(stdin);
  dup2(fd, fileno(stdin));
  close(fd);
  clearerr(stdin);
}
示例#6
0
文件: mpc.c 项目: rforge/mpc
/* R_mpc_cmp - Comparison function for MPC objects.
 *
 * Ops.mpc.R includes code to coerce complex numbers or numerics from
 * e2 into MPC objects for this comparison since the MPC library only
 * supports comparison against other MPC objects or integers.
 *
 * Arguments:
 *  e1:    SEXP for an mpc type.
 *  e2:    SEXP for an mpc type, or integer.
 * Return value:
 *  True if e1 == e2.
 */
SEXP R_mpc_cmp(SEXP e1, SEXP e2) {
	if (Rf_inherits(e1, "mpc")) {
		mpc_t *z1 = (mpc_t *)R_ExternalPtrAddr(e1);
		if (Rf_inherits(e2, "mpc")) {
			mpc_t *z2 = (mpc_t *)R_ExternalPtrAddr(e2);
			return(Rf_ScalarInteger(mpc_cmp(*z1, *z2)));
		} else if (Rf_isInteger(e2)) {
			return(Rf_ScalarInteger(mpc_cmp_si(*z1,
				    INTEGER(e2)[0])));
		} else {
			Rf_error("Invalid operand for mpc cmp.");
		}
	} else {
		Rf_error("Invalid operand for mpc cmp.");
	}
}
示例#7
0
static void
check_io_str (mpc_ptr read_number, mpc_ptr expected)
{
  char tmp_file[] = "mpc_test";
  FILE *fp;
  size_t sz;

  if (!(fp = fopen (tmp_file, "w")))
    {
      printf ("Error: Could not open file %s\n", tmp_file);

      exit (1);
    }

  mpc_out_str (fp, 10, 0, expected, MPC_RNDNN);
  fclose (fp);

  if (!(fp = fopen (tmp_file, "r")))
    {
      printf ("Error: Could not open file %s\n", tmp_file);

      exit (1);
    };
  if (mpc_inp_str (read_number, fp, &sz, 10, MPC_RNDNN) == -1)
    {
      printf ("Error: mpc_inp_str cannot correctly re-read number "
              "in file %s\n", tmp_file);

      exit (1);
    }
  fclose (fp);

  /* mpc_cmp set erange flag when an operand is a NaN */
  mpfr_clear_flags ();
  if (mpc_cmp (read_number, expected) != 0 || mpfr_erangeflag_p())
    {
      printf ("Error: inp_str o out_str <> Id\n");
      OUT (read_number);
      OUT (expected);

      exit (1);
    }
}
示例#8
0
文件: tmul.c 项目: BrianGladman/MPC
static void
cmpmul (mpc_srcptr x, mpc_srcptr y, mpc_rnd_t rnd)
   /* computes the product of x and y with the naive and Karatsuba methods */
   /* using the rounding mode rnd and compares the results and return      */
   /* values.                                                              */
   /* In our current test suite, the real and imaginary parts of x and y   */
   /* all have the same precision, and we use this precision also for the  */
   /* result.                                                              */
{
   mpc_t z, t;
   int   inex_z, inex_t;

   mpc_init2 (z, MPC_MAX_PREC (x));
   mpc_init2 (t, MPC_MAX_PREC (x));

   inex_z = mpc_mul_naive (z, x, y, rnd);
   inex_t = mpc_mul_karatsuba (t, x, y, rnd);

   if (mpc_cmp (z, t) != 0 || inex_z != inex_t) {
      fprintf (stderr, "mul_naive and mul_karatsuba differ for rnd=(%s,%s)\n",
               mpfr_print_rnd_mode(MPC_RND_RE(rnd)),
               mpfr_print_rnd_mode(MPC_RND_IM(rnd)));
      MPC_OUT (x);
      MPC_OUT (y);
      MPC_OUT (z);
      MPC_OUT (t);
      if (inex_z != inex_t) {
         fprintf (stderr, "inex_re (z): %s\n", MPC_INEX_STR (inex_z));
         fprintf (stderr, "inex_re (t): %s\n", MPC_INEX_STR (inex_t));
      }
      exit (1);
   }

   mpc_clear (z);
   mpc_clear (t);
}
示例#9
0
文件: tsqr.c 项目: Distrotech/mpc
static void
cmpsqr (mpc_srcptr x, mpc_rnd_t rnd)
   /* computes the square of x with the specific function or by simple     */
   /* multiplication using the rounding mode rnd and compares the results  */
   /* and return values.                                                   */
   /* In our current test suite, the real and imaginary parts of x have    */
   /* the same precision, and we use this precision also for the result.   */
   /* Furthermore, we check whether computing the square in the same       */
   /* place yields the same result.                                        */
   /* We also compute the result with four times the precision and check   */
   /* whether the rounding is correct. Error reports in this part of the   */
   /* algorithm might still be wrong, though, since there are two          */
   /* consecutive roundings.                                               */
{
  mpc_t z, t, u;
  int   inexact_z, inexact_t;

  mpc_init2 (z, MPC_MAX_PREC (x));
  mpc_init2 (t, MPC_MAX_PREC (x));
  mpc_init2 (u, 4 * MPC_MAX_PREC (x));

  inexact_z = mpc_sqr (z, x, rnd);
  inexact_t = mpc_mul (t, x, x, rnd);

  if (mpc_cmp (z, t))
    {
      fprintf (stderr, "sqr and mul differ for rnd=(%s,%s) \nx=",
               mpfr_print_rnd_mode(MPC_RND_RE(rnd)),
               mpfr_print_rnd_mode(MPC_RND_IM(rnd)));
      mpc_out_str (stderr, 2, 0, x, MPC_RNDNN);
      fprintf (stderr, "\nmpc_sqr gives ");
      mpc_out_str (stderr, 2, 0, z, MPC_RNDNN);
      fprintf (stderr, "\nmpc_mul gives ");
      mpc_out_str (stderr, 2, 0, t, MPC_RNDNN);
      fprintf (stderr, "\n");
      exit (1);
    }
  if (inexact_z != inexact_t)
    {
      fprintf (stderr, "The return values of sqr and mul differ for rnd=(%s,%s) \nx=  ",
               mpfr_print_rnd_mode(MPC_RND_RE(rnd)),
               mpfr_print_rnd_mode(MPC_RND_IM(rnd)));
      mpc_out_str (stderr, 2, 0, x, MPC_RNDNN);
      fprintf (stderr, "\nx^2=");
      mpc_out_str (stderr, 2, 0, z, MPC_RNDNN);
      fprintf (stderr, "\nmpc_sqr gives %i", inexact_z);
      fprintf (stderr, "\nmpc_mul gives %i", inexact_t);
      fprintf (stderr, "\n");
      exit (1);
    }

  mpc_set (t, x, MPC_RNDNN);
  inexact_t = mpc_sqr (t, t, rnd);
  if (mpc_cmp (z, t))
    {
      fprintf (stderr, "sqr and sqr in place differ for rnd=(%s,%s) \nx=",
               mpfr_print_rnd_mode(MPC_RND_RE(rnd)),
               mpfr_print_rnd_mode(MPC_RND_IM(rnd)));
      mpc_out_str (stderr, 2, 0, x, MPC_RNDNN);
      fprintf (stderr, "\nmpc_sqr          gives ");
      mpc_out_str (stderr, 2, 0, z, MPC_RNDNN);
      fprintf (stderr, "\nmpc_sqr in place gives ");
      mpc_out_str (stderr, 2, 0, t, MPC_RNDNN);
      fprintf (stderr, "\n");
      exit (1);
    }
  if (inexact_z != inexact_t)
    {
      fprintf (stderr, "The return values of sqr and sqr in place differ for rnd=(%s,%s) \nx=  ",
               mpfr_print_rnd_mode(MPC_RND_RE(rnd)),
               mpfr_print_rnd_mode(MPC_RND_IM(rnd)));
      mpc_out_str (stderr, 2, 0, x, MPC_RNDNN);
      fprintf (stderr, "\nx^2=");
      mpc_out_str (stderr, 2, 0, z, MPC_RNDNN);
      fprintf (stderr, "\nmpc_sqr          gives %i", inexact_z);
      fprintf (stderr, "\nmpc_sqr in place gives %i", inexact_t);
      fprintf (stderr, "\n");
      exit (1);
    }

  mpc_sqr (u, x, rnd);
  mpc_set (t, u, rnd);
  if (mpc_cmp (z, t))
    {
      fprintf (stderr, "rounding in sqr might be incorrect for rnd=(%s,%s) \nx=",
               mpfr_print_rnd_mode(MPC_RND_RE(rnd)),
               mpfr_print_rnd_mode(MPC_RND_IM(rnd)));
      mpc_out_str (stderr, 2, 0, x, MPC_RNDNN);
      fprintf (stderr, "\nmpc_sqr                     gives ");
      mpc_out_str (stderr, 2, 0, z, MPC_RNDNN);
      fprintf (stderr, "\nmpc_sqr quadruple precision gives ");
      mpc_out_str (stderr, 2, 0, u, MPC_RNDNN);
      fprintf (stderr, "\nand is rounded to                 ");
      mpc_out_str (stderr, 2, 0, t, MPC_RNDNN);
      fprintf (stderr, "\n");
      exit (1);
    }

  mpc_clear (z);
  mpc_clear (t);
  mpc_clear (u);
}
示例#10
0
bool operator>=(const mpcomplex& a, const mpcomplex& b) {
    int result = mpc_cmp(a.mpc_val,b.mpc_val);
    return MPC_INEX_RE(result)>=0;
}
示例#11
0
bool operator==(const mpcomplex& a, const mpcomplex& b) {
    return mpc_cmp(a.mpc_val,b.mpc_val) == 0;
}
示例#12
0
文件: UseMpcr.cpp 项目: duhadler/C
int Lib_Mpcr_Cmp(MpcrPtr f, MpcrPtr g)
{
    return mpc_cmp((mpc_ptr) f, (mpc_ptr) g);
}
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);
}
static void
check_set_str (mpfr_exp_t exp_max)
{
  mpc_t expected;
  mpc_t got;
  char *str;

  mpfr_prec_t prec;
  mpfr_exp_t exp_min;
  int base;

  mpc_init2 (expected, 1024);
  mpc_init2 (got, 1024);

  exp_min = mpfr_get_emin ();
  if (exp_max <= 0)
    exp_max = mpfr_get_emax ();
  else if (exp_max > mpfr_get_emax ())
    exp_max = mpfr_get_emax();
  if (-exp_max > exp_min)
    exp_min = - exp_max;

  for (prec = 2; prec < 1024; prec += 7)
    {
      mpc_set_prec (got, prec);
      mpc_set_prec (expected, prec);

      base = 2 + (int) gmp_urandomm_ui (rands, 35);
         /* uses external variable rands from random.c */

      mpfr_set_nan (MPC_RE (expected));
      mpfr_set_inf (MPC_IM (expected), prec % 2 - 1);
      str = mpc_get_str (base, 0, expected, MPC_RNDNN);
      if (mpfr_nan_p (MPC_RE (got)) == 0
          || mpfr_cmp (MPC_IM (got), MPC_IM (expected)) != 0)
        {
          printf ("Error: mpc_set_str o mpc_get_str != Id\n"
                  "in base %u with str=\"%s\"\n", base, str);
          MPC_OUT (expected);
          printf ("     ");
          MPC_OUT (got);
          exit (1);
        }
      mpc_free_str (str);

      test_default_random (expected, exp_min, exp_max, 128, 25);
      str = mpc_get_str (base, 0, expected, MPC_RNDNN);
      if (mpc_set_str (got, str, base, MPC_RNDNN) == -1
          || mpc_cmp (got, expected) != 0)
        {
          printf ("Error: mpc_set_str o mpc_get_str != Id\n"
                  "in base %u with str=\"%s\"\n", base, str);
          MPC_OUT (expected);
          printf ("     ");
          MPC_OUT (got);
          exit (1);
        }
      mpc_free_str (str);
    }

#ifdef HAVE_SETLOCALE
  {
    /* Check with ',' as a decimal point */
    char *old_locale;

    old_locale = setlocale (LC_ALL, "de_DE");
    if (old_locale != NULL)
      {
        str = mpc_get_str (10, 0, expected, MPC_RNDNN);
        if (mpc_set_str (got, str, 10, MPC_RNDNN) == -1
            || mpc_cmp (got, expected) != 0)
          {
            printf ("Error: mpc_set_str o mpc_get_str != Id\n"
                    "with str=\"%s\"\n", str);
            MPC_OUT (expected);
            printf ("     ");
            MPC_OUT (got);
            exit (1);
          }
        mpc_free_str (str);

        setlocale (LC_ALL, old_locale);
      }
  }
#endif /* HAVE_SETLOCALE */

  /* the real part has a zero exponent in base ten (fixed in r439) */
  mpc_set_prec (expected, 37);
  mpc_set_prec (got, 37);
  mpc_set_str (expected, "921FC04EDp-35  ", 16, GMP_RNDN);
  str = mpc_get_str (10, 0, expected, MPC_RNDNN);
  if (mpc_set_str (got, str, 10, MPC_RNDNN) == -1
      || mpc_cmp (got, expected) != 0)
    {
      printf ("Error: mpc_set_str o mpc_get_str != Id\n"
              "with str=\"%s\"\n", str);
      MPC_OUT (expected);
      printf ("     ");
      MPC_OUT (got);
      exit (1);
    }
  mpc_free_str (str);

  str = mpc_get_str (1, 0, expected, MPC_RNDNN);
  if (str != NULL)
    {
      printf ("Error: mpc_get_str with base==1 should fail\n");
      exit (1);
    }

  mpc_clear (expected);
  mpc_clear (got);
}