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/*
Copyright (C) 2020 D.H.J. Polymath
This file is part of FLINT.
FLINT is free software: you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License (LGPL) as published
by the Free Software Foundation; either version 3 of the License, or
(at your option) any later version. See <https://www.gnu.org/licenses/>.
*/
#include "acb.h"
#include "acb_dirichlet.h"
slong
acb_dirichlet_platt_zeta_zeros(acb_ptr res, const fmpz_t n, slong len, slong prec)
{
if (len <= 0 || fmpz_sizeinbase(n, 10) < 5)
{
return 0;
}
else if (fmpz_sgn(n) < 1)
{
flint_throw(FLINT_ERROR, "nonpositive indices of zeta zeros are not supported\n");
}
else
{
slong i, found;
arb_ptr p;
p = _arb_vec_init(len);
found = acb_dirichlet_platt_hardy_z_zeros(p, n, len, prec);
for (i = 0; i < found; i++)
{
acb_set_d(res + i, 0.5);
arb_set(acb_imagref(res + i), p + i);
}
_arb_vec_clear(p, len);
return found;
}
return 0;
}