void
testmain (int argc, char **argv)
{
unsigned i;
unsigned long e;
mpz_t u, s, r, bs;
mpz_init (u);
mpz_init (s);
mpz_init (r);
mpz_init (bs);
for (i = 0; i < COUNT; i++)
{
mini_rrandomb (u, MAXBITS);
mini_rrandomb (bs, 12);
e = mpz_getlimbn (bs, 0) % mpz_sizeinbase (u, 2) + 2;
if ((e & 1) && (mpz_getlimbn (bs, 0) & (1L<<10)))
mpz_neg (u, u);
mpz_rootrem (s, r, u, e);
if (!rootrem_valid_p (u, s, r, e))
{
fprintf (stderr, "mpz_rootrem(%lu-th) failed:\n", e);
dump ("u", u);
dump ("root", s);
dump ("rem", r);
abort ();
}
}
mpz_clear (bs);
mpz_clear (u);
mpz_clear (s);
mpz_clear (r);
}
void
check_composites (void)
{
int i;
int reps = 1000;
mpz_t a, b, n, bs;
unsigned long size_range, size;
mpz_init (a);
mpz_init (b);
mpz_init (n);
mpz_init (bs);
for (i = 0; i < reps; i++)
{
mini_urandomb (bs, 32);
size_range = mpz_get_ui (bs) % 12 + 1; /* 0..4096 bit operands */
mini_urandomb (bs, size_range);
size = mpz_get_ui (bs);
mini_rrandomb (a, size);
mini_urandomb (bs, 32);
size_range = mpz_get_ui (bs) % 12 + 1; /* 0..4096 bit operands */
mini_rrandomb (b, size);
/* Exclude trivial factors */
if (mpz_cmp_ui (a, 1) == 0)
mpz_set_ui (a, 2);
if (mpz_cmp_ui (b, 1) == 0)
mpz_set_ui (b, 2);
mpz_mul (n, a, b);
check_pn (n, 0);
}
mpz_clear (a);
mpz_clear (b);
mpz_clear (n);
mpz_clear (bs);
}
void
testmain (int argc, char **argv)
{
unsigned i;
mpz_t x;
for (i = 0; values[i].s; i++)
{
char *s;
mpz_init_set_d (x, values[i].d);
s = mpz_get_str (NULL, 16, x);
if (strcmp (s, values[i].s) != 0)
{
fprintf (stderr, "mpz_set_d failed:\n"
"d = %.20g\n"
"s = %s\n"
"r = %s\n",
values[i].d, s, values[i].s);
abort ();
}
testfree (s);
mpz_clear (x);
}
mpz_init (x);
for (i = 0; i < COUNT; i++)
{
/* Use volatile, to avoid extended precision in floating point
registers, e.g., on m68k and 80387. */
volatile double d, f;
unsigned long m;
int e;
mini_rrandomb (x, GMP_LIMB_BITS);
m = mpz_get_ui (x);
mini_urandomb (x, 8);
e = mpz_get_ui (x) - 100;
d = ldexp ((double) m, e);
mpz_set_d (x, d);
f = mpz_get_d (x);
if (f != floor (d))
{
fprintf (stderr, "mpz_set_d/mpz_get_d failed:\n");
goto dumperror;
}
if ((f == d) ? (mpz_cmp_d (x, d) != 0) : (mpz_cmp_d (x, d) >= 0))
{
fprintf (stderr, "mpz_cmp_d (x, d) failed:\n");
goto dumperror;
}
f = d + 1.0;
if (f > d && ! (mpz_cmp_d (x, f) < 0))
{
fprintf (stderr, "mpz_cmp_d (x, f) failed:\n");
goto dumperror;
}
d = - d;
mpz_set_d (x, d);
f = mpz_get_d (x);
if (f != ceil (d))
{
fprintf (stderr, "mpz_set_d/mpz_get_d failed:\n");
dumperror:
dump ("x", x);
fprintf (stderr, "m = %lx, e = %i\n", m, e);
fprintf (stderr, "d = %.15g\n", d);
fprintf (stderr, "f = %.15g\n", f);
fprintf (stderr, "f - d = %.5g\n", f - d);
abort ();
}
if ((f == d) ? (mpz_cmp_d (x, d) != 0) : (mpz_cmp_d (x, d) <= 0))
{
fprintf (stderr, "mpz_cmp_d (x, d) failed:\n");
goto dumperror;
}
f = d - 1.0;
if (f < d && ! (mpz_cmp_d (x, f) > 0))
{
fprintf (stderr, "mpz_cmp_d (x, f) failed:\n");
goto dumperror;
}
}
mpz_clear (x);
}
