C++ (Cpp) MPFR_ASSERT_SIGN Examples

Example #1

File: exceptions.c Project: cmjonze/mpfr

MPFR_COLD_FUNCTION_ATTR int
mpfr_overflow (mpfr_ptr x, mpfr_rnd_t rnd_mode, int sign)
{
  int inex;

  MPFR_LOG_FUNC
    (("x[%Pu]=%.*Rg rnd=%d sign=%d", mpfr_get_prec (x), mpfr_log_prec, x,
      rnd_mode, sign),
     ("x[%Pu]=%.*Rg", mpfr_get_prec (x), mpfr_log_prec, x));

  MPFR_ASSERT_SIGN (sign);

  if (MPFR_IS_LIKE_RNDZ(rnd_mode, sign < 0))
    {
      mpfr_setmax (x, __gmpfr_emax);
      inex = -1;
    }
  else
    {
      MPFR_SET_INF(x);
      inex = 1;
    }
  MPFR_SET_SIGN(x, sign);
  __gmpfr_flags |= MPFR_FLAGS_INEXACT | MPFR_FLAGS_OVERFLOW;
  return sign > 0 ? inex : -inex;
}

Example #2

File: exceptions.c Project: texlive/texlive-source

int
mpfr_overflow (mpfr_ptr x, mpfr_rnd_t rnd_mode, int sign)
{
  int inex;

  MPFR_ASSERT_SIGN(sign);
  if (MPFR_IS_LIKE_RNDZ(rnd_mode, sign < 0))
    {
      mpfr_setmax (x, __gmpfr_emax);
      inex = -1;
    }
  else
    {
      MPFR_SET_INF(x);
      inex = 1;
    }
  MPFR_SET_SIGN(x,sign);
  __gmpfr_flags |= MPFR_FLAGS_INEXACT | MPFR_FLAGS_OVERFLOW;
  return sign > 0 ? inex : -inex;
}

Example #3

File: exceptions.c Project: mmanley/Antares

int
mpfr_overflow (mpfr_ptr x, mp_rnd_t rnd_mode, int sign)
{
  int inex;

  MPFR_ASSERT_SIGN(sign);
  MPFR_CLEAR_FLAGS(x);
  if (rnd_mode == GMP_RNDN
      || MPFR_IS_RNDUTEST_OR_RNDDNOTTEST(rnd_mode, sign > 0))
    {
      MPFR_SET_INF(x);
      inex = 1;
    }
  else
    {
      mpfr_setmax (x, __gmpfr_emax);
      inex = -1;
    }
  MPFR_SET_SIGN(x,sign);
  __gmpfr_flags |= MPFR_FLAGS_INEXACT | MPFR_FLAGS_OVERFLOW;
  return sign > 0 ? inex : -inex;
}

Example #4

File: exceptions.c Project: mmanley/Antares

int
mpfr_underflow (mpfr_ptr x, mp_rnd_t rnd_mode, int sign)
{
  int inex;

  MPFR_ASSERT_SIGN (sign);

  if (rnd_mode == GMP_RNDN
      || MPFR_IS_RNDUTEST_OR_RNDDNOTTEST(rnd_mode, MPFR_IS_POS_SIGN (sign)))
    {
      mpfr_setmin (x, __gmpfr_emin);
      inex = 1;
    }
  else
    {
      MPFR_SET_ZERO(x);
      inex = -1;
    }
  MPFR_SET_SIGN(x, sign);
  __gmpfr_flags |= MPFR_FLAGS_INEXACT | MPFR_FLAGS_UNDERFLOW;
  return sign > 0 ? inex : -inex;
}