int main()
{
slong iter;
flint_rand_t state;
flint_printf("get_abs_lbound_arf....");
fflush(stdout);
flint_randinit(state);
for (iter = 0; iter < 10000 * arb_test_multiplier(); iter++)
{
acb_t a;
arf_t m, m2, x, y, s;
acb_init(a);
arf_init(m);
arf_init(m2);
arf_init(x);
arf_init(y);
arf_init(s);
acb_randtest_special(a, state, 200, 10);
acb_get_abs_lbound_arf(m, a, 2 + n_randint(state, 100));
/* check m^2 <= x^2 + y^2 */
arf_mul(m2, m, m, ARF_PREC_EXACT, ARF_RND_DOWN);
arb_get_abs_lbound_arf(x, acb_realref(a), ARF_PREC_EXACT);
arb_get_abs_lbound_arf(y, acb_imagref(a), ARF_PREC_EXACT);
arf_sosq(s, x, y, ARF_PREC_EXACT, ARF_RND_DOWN);
if (arf_cmp(m2, s) > 0)
{
flint_printf("FAIL:\n\n");
flint_printf("a = "); acb_print(a); flint_printf("\n\n");
flint_printf("m = "); arf_print(m); flint_printf("\n\n");
flint_abort();
}
acb_clear(a);
arf_clear(m);
arf_clear(m2);
arf_clear(x);
arf_clear(y);
arf_clear(s);
}
flint_randclear(state);
flint_cleanup();
flint_printf("PASS\n");
return EXIT_SUCCESS;
}
void
_acb_poly_reciprocal_majorant(arb_ptr res, acb_srcptr vec, long len, long prec)
{
long i;
for (i = 0; i < len; i++)
{
if (i == 0)
{
acb_get_abs_lbound_arf(arb_midref(res + i), vec + i, prec);
mag_zero(arb_radref(res + i));
}
else
{
acb_get_abs_ubound_arf(arb_midref(res + i), vec + i, prec);
arf_neg(arb_midref(res + i), arb_midref(res + i));
mag_zero(arb_radref(res + i));
}
}
}
