int
main (void)
{
mpfr_t x, y, z, u;
int inexact;
mpfr_exp_t emax;
tests_start_mpfr ();
/* check prototypes of mpfr_init_set_* */
inexact = mpfr_init_set_si (x, -1, MPFR_RNDN);
inexact = mpfr_init_set (y, x, MPFR_RNDN);
inexact = mpfr_init_set_ui (z, 1, MPFR_RNDN);
inexact = mpfr_init_set_d (u, 1.0, MPFR_RNDN);
emax = mpfr_get_emax ();
set_emax (0);
mpfr_set_prec (x, 3);
mpfr_set_str_binary (x, "0.111");
mpfr_set_prec (y, 2);
mpfr_set (y, x, MPFR_RNDU);
if (!(MPFR_IS_INF (y) && MPFR_SIGN (y) > 0))
{
printf ("Error for y=x=0.111 with px=3, py=2 and emax=0\nx=");
mpfr_dump (x);
printf ("y=");
mpfr_dump (y);
exit (1);
}
set_emax (emax);
mpfr_set_prec (y, 11);
mpfr_set_str_binary (y, "0.11111111100E-8");
mpfr_set_prec (x, 2);
mpfr_set (x, y, MPFR_RNDN);
mpfr_set_str_binary (y, "1.0E-8");
if (mpfr_cmp (x, y))
{
printf ("Error for y=0.11111111100E-8, prec=2, rnd=MPFR_RNDN\n");
exit (1);
}
mpfr_clear (x);
mpfr_clear (y);
mpfr_clear (z);
mpfr_clear (u);
check_ternary_value ();
check_special ();
check_neg_special ();
test_generic (2, 1000, 10);
tests_end_mpfr ();
return 0;
}
int
main (void)
{
mp_prec_t p, q;
mpfr_t x, y, z, u;
int rnd;
int inexact, cmp;
mp_exp_t emax;
tests_start_mpfr ();
/* check prototypes of mpfr_init_set_* */
inexact = mpfr_init_set_si (x, -1, GMP_RNDN);
inexact = mpfr_init_set (y, x, GMP_RNDN);
inexact = mpfr_init_set_ui (z, 1, GMP_RNDN);
inexact = mpfr_init_set_d (u, 1.0, GMP_RNDN);
mpfr_set_nan (x);
(mpfr_set) (y, x, GMP_RNDN);
MPFR_ASSERTN(mpfr_nan_p (y));
mpfr_set_inf (x, 1);
mpfr_set (y, x, GMP_RNDN);
MPFR_ASSERTN(mpfr_inf_p (y) && mpfr_sgn (y) > 0);
mpfr_set_inf (x, -1);
mpfr_set (y, x, GMP_RNDN);
MPFR_ASSERTN(mpfr_inf_p (y) && mpfr_sgn (y) < 0);
mpfr_set_ui (x, 0, GMP_RNDN);
mpfr_set (y, x, GMP_RNDN);
MPFR_ASSERTN(mpfr_cmp_ui (y, 0) == 0 && MPFR_IS_POS(y));
mpfr_set_ui (x, 0, GMP_RNDN);
mpfr_neg (x, x, GMP_RNDN);
mpfr_set (y, x, GMP_RNDN);
MPFR_ASSERTN(mpfr_cmp_ui (y, 0) == 0 && MPFR_IS_NEG(y));
emax = mpfr_get_emax ();
set_emax (0);
mpfr_set_prec (x, 3);
mpfr_set_str_binary (x, "0.111");
mpfr_set_prec (y, 2);
mpfr_set (y, x, GMP_RNDU);
if (!(MPFR_IS_INF (y) && MPFR_SIGN (y) > 0))
{
printf ("Error for y=x=0.111 with px=3, py=2 and emax=0\nx=");
mpfr_dump (x);
printf ("y=");
mpfr_dump (y);
exit (1);
}
MPFR_ASSERTN (MPFR_IS_INF (y) && MPFR_SIGN (y) > 0);
set_emax (emax);
mpfr_set_prec (y, 11);
mpfr_set_str_binary (y, "0.11111111100E-8");
mpfr_set_prec (x, 2);
mpfr_set (x, y, GMP_RNDN);
mpfr_set_str_binary (y, "1.0E-8");
if (mpfr_cmp (x, y))
{
printf ("Error for y=0.11111111100E-8, prec=2, rnd=GMP_RNDN\n");
exit (1);
}
for (p=2; p<500; p++)
{
mpfr_set_prec (x, p);
mpfr_random (x);
if (randlimb () % 2)
mpfr_neg (x, x, GMP_RNDN);
for (q=2; q<2*p; q++)
{
mpfr_set_prec (y, q);
for (rnd = 0; rnd < GMP_RND_MAX; rnd++)
{
inexact = mpfr_set (y, x, (mp_rnd_t) rnd);
cmp = mpfr_cmp (y, x);
if (((inexact == 0) && (cmp != 0)) ||
((inexact > 0) && (cmp <= 0)) ||
((inexact < 0) && (cmp >= 0)))
{
printf ("Wrong inexact flag in mpfr_set: expected %d,"
" got %d\n", cmp, inexact);
exit (1);
}
}
}
}
mpfr_clear (x);
mpfr_clear (y);
mpfr_clear (z);
mpfr_clear (u);
check_neg_special ();
tests_end_mpfr ();
return 0;
}
