int
main (void)
{
mpfr_t x;
mp_prec_t i, j;
tests_start_mpfr ();
/* checks that rounds to nearest sets the last
bit to zero in case of equal distance */
mpfr_init2 (x, 59);
mpfr_set_str_binary (x, "-0.10010001010111000011110010111010111110000000111101100111111E663");
if (mpfr_can_round (x, 54, GMP_RNDZ, GMP_RNDZ, 53) != 0)
{
printf ("Error (1) in mpfr_can_round\n");
exit (1);
}
mpfr_set_str_binary (x, "-Inf");
if (mpfr_can_round (x, 2000, GMP_RNDZ, GMP_RNDZ, 2000) != 0)
{
printf ("Error (2) in mpfr_can_round\n");
exit (1);
}
mpfr_set_prec (x, 64);
mpfr_set_str_binary (x, "0.1011001000011110000110000110001111101011000010001110011000000000");
if (mpfr_can_round (x, 65, GMP_RNDN, GMP_RNDN, 54))
{
printf ("Error (3) in mpfr_can_round\n");
exit (1);
}
mpfr_set_prec (x, 62);
mpfr_set_str (x, "0.ff4ca619c76ba69", 16, GMP_RNDZ);
for (i = 30; i < 99; i++)
for (j = 30; j < 99; j++)
{
int r1, r2;
for (r1 = 0; r1 < GMP_RND_MAX ; r1++)
for (r2 = 0; r2 < GMP_RND_MAX ; r2++)
mpfr_can_round (x, i, (mp_rnd_t) r1, (mp_rnd_t) r2, j); /* test for assertions */
}
mpfr_clear (x);
check_round_p ();
tests_end_mpfr ();
return 0;
}
int
main (void)
{
mpfr_t x;
mpfr_prec_t i, j;
tests_start_mpfr ();
/* checks that rounds to nearest sets the last
bit to zero in case of equal distance */
mpfr_init2 (x, 59);
mpfr_set_str_binary (x, "-0.10010001010111000011110010111010111110000000111101100111111E663");
if (mpfr_can_round (x, 54, MPFR_RNDZ, MPFR_RNDZ, 53) != 0)
{
printf ("Error (1) in mpfr_can_round\n");
exit (1);
}
mpfr_set_str_binary (x, "-Inf");
if (mpfr_can_round (x, 2000, MPFR_RNDZ, MPFR_RNDZ, 2000) != 0)
{
printf ("Error (2) in mpfr_can_round\n");
exit (1);
}
mpfr_set_prec (x, 64);
mpfr_set_str_binary (x, "0.1011001000011110000110000110001111101011000010001110011000000000");
if (mpfr_can_round (x, 65, MPFR_RNDN, MPFR_RNDN, 54))
{
printf ("Error (3) in mpfr_can_round\n");
exit (1);
}
mpfr_set_prec (x, 137);
mpfr_set_str_binary (x, "-0.10111001101001010110011000110100111010011101101010010100101100001110000100111111011101010110001010111100100101110111100001000010000000000E-97");
if (mpfr_can_round (x, 132, MPFR_RNDU, MPFR_RNDZ, 128) == 0)
{
printf ("Error (4) in mpfr_can_round\n");
exit (1);
}
/* in the following, we can round but cannot determine the inexact flag */
mpfr_set_prec (x, 86);
mpfr_set_str_binary (x, "-0.11100100010011001111011010100111101010011000000000000000000000000000000000000000000000E-80");
if (mpfr_can_round (x, 81, MPFR_RNDU, MPFR_RNDZ, 44) == 0)
{
printf ("Error (5) in mpfr_can_round\n");
exit (1);
}
mpfr_set_prec (x, 62);
mpfr_set_str (x, "0.ff4ca619c76ba69", 16, MPFR_RNDZ);
for (i = 30; i < 99; i++)
for (j = 30; j < 99; j++)
{
int r1, r2;
for (r1 = 0; r1 < MPFR_RND_MAX ; r1++)
for (r2 = 0; r2 < MPFR_RND_MAX ; r2++)
mpfr_can_round (x, i, (mpfr_rnd_t) r1, (mpfr_rnd_t) r2, j); /* test for assertions */
}
mpfr_clear (x);
check_round_p ();
tests_end_mpfr ();
return 0;
}
