static void
eq_tests (void)
{
mpfr_t x, y;
long i;
mpfr_inits (x, y, (mpfr_ptr) 0);
for (i = 0; i < 20000; i++)
{
mpfr_prec_t precx;
precx = (randlimb () % 17) * 11 + MPFR_PREC_MIN;
mpfr_set_prec (x, precx);
mpfr_set_prec (y, precx + (randlimb () % 64));
mpfr_urandomb (x, RANDS);
if (randlimb () & 1)
mpfr_neg (x, x, MPFR_RNDN);
mpfr_set (y, x, MPFR_RNDN); /* exact -> x = y */
if (mpfr_greater_p (x, y) || !mpfr_greaterequal_p (x, y) ||
mpfr_less_p (x, y) || !mpfr_lessequal_p (x, y) ||
mpfr_lessgreater_p (x, y) || !mpfr_equal_p (x, y) ||
mpfr_unordered_p (x, y))
{
printf ("Error in eq_tests for x = ");
mpfr_out_str (stdout, 2, 0, x, MPFR_RNDN);
printf ("\n");
exit (1);
}
}
mpfr_clears (x, y, (mpfr_ptr) 0);
}
static void
cmp_tests (void)
{
mpfr_t x, y;
long i;
mpfr_inits (x, y, (mpfr_ptr) 0);
for (i = 0; i < 80000; i++)
{
mpfr_prec_t precx, precy;
int signx, signy, cmp;
unsigned int cmpbool = 0;
precx = (randlimb () % 17) * 11 + MPFR_PREC_MIN;
precy = (randlimb () % 17) * 11 + MPFR_PREC_MIN;
mpfr_set_prec (x, precx);
mpfr_set_prec (y, precy);
mpfr_urandomb (x, RANDS);
mpfr_urandomb (y, RANDS);
signx = randlimb () & 1;
signy = randlimb () % 256 ? signx : 1 - signx;
/* signy = signx most of the time (most interesting case) */
if (signx)
mpfr_neg (x, x, MPFR_RNDN);
if (signy)
mpfr_neg (y, y, MPFR_RNDN);
if (i <= 1)
mpfr_set_nan (x);
if (i == 0 || i == 2)
mpfr_set_nan (y);
if (mpfr_greater_p (x, y))
cmpbool |= 0x01;
if (mpfr_greaterequal_p (x, y))
cmpbool |= 0x02;
if (mpfr_less_p (x, y))
cmpbool |= 0x04;
if (mpfr_lessequal_p (x, y))
cmpbool |= 0x08;
if (mpfr_lessgreater_p (x, y))
cmpbool |= 0x10;
if (mpfr_equal_p (x, y))
cmpbool |= 0x20;
if (mpfr_unordered_p (x, y))
cmpbool |= 0x40;
if ((i <= 2 && cmpbool != 0x40) ||
(i > 2 && (cmp = mpfr_cmp (x, y),
(cmp == 0 && cmpbool != 0x2a) ||
(cmp < 0 && cmpbool != 0x1c) ||
(cmp > 0 && cmpbool != 0x13))))
{
printf ("Error in cmp_tests for\nx = ");
mpfr_out_str (stdout, 2, 0, x, MPFR_RNDN);
printf (" and\ny = ");
mpfr_out_str (stdout, 2, 0, y, MPFR_RNDN);
printf ("\n");
exit (1);
}
}
mpfr_clears (x, y, (mpfr_ptr) 0);
}
void
ovm_q_ge(oregister_t *l, oregister_t *r)
{
l->t = t_word;
switch (r->t) {
case t_void:
l->v.w = mpq_sgn(oqr(l)) >= 0;
break;
case t_word:
l->v.w = mpq_cmp_si(oqr(l), r->v.w, 1) >= 0;
break;
case t_float:
l->v.w = mpq_get_d(oqr(l)) >= r->v.d;
break;
case t_mpz:
mpq_set_z(oqr(r), ozr(r));
l->v.w = mpq_cmp(oqr(l), oqr(r)) >= 0;
break;
case t_rat:
mpq_set_si(oqr(r), rat_num(r->v.r), rat_den(r->v.r));
l->v.w = mpq_cmp(oqr(l), oqr(r)) >= 0;
break;
case t_mpq:
l->v.w = mpq_cmp(oqr(l), oqr(r)) >= 0;
break;
case t_mpr:
mpfr_set_z(orr(l), ozr(l), thr_rnd);
l->v.w = mpfr_greaterequal_p(orr(l), orr(r));
break;
default:
ovm_raise(except_not_a_real_number);
}
}
SeedValue seed_mpfr_greaterequal_p (SeedContext ctx,
SeedObject function,
SeedObject this_object,
gsize argument_count,
const SeedValue args[],
SeedException *exception)
{
mpfr_ptr rop, op;
gboolean ret;
CHECK_ARG_COUNT("mpfr.greaterequal_p", 1);
rop = seed_object_get_private(this_object);
if ( seed_value_is_object_of_class(ctx, args[0], mpfr_class) )
{
op = seed_object_get_private(args[0]);
}
else
{
TYPE_EXCEPTION("mpfr.greaterequal_p", "mpfr_t");
}
ret = mpfr_greaterequal_p(rop, op);
return seed_value_from_boolean(ctx, ret, exception);
}
bool operator >=(const real & a, const real & b)
{
return mpfr_greaterequal_p(a.r, b.r) != 0;
}
