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/*
Copyright (C) 2019 D.H.J. Polymath
This file is part of Arb.
Arb 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 2.1 of the License, or
(at your option) any later version. See <http://www.gnu.org/licenses/>.
*/
#include "acb_dirichlet.h"
int main()
{
slong iter;
flint_rand_t state;
flint_printf("platt_ws_interpolation....");
fflush(stdout);
flint_randinit(state);
for (iter = 0; iter < 5 * arb_test_multiplier(); iter++)
{
ulong A, B, iter2;
int Tbits;
fmpz_t T;
arb_ptr vec;
slong vprec;
A = 1 + n_randint(state, 10);
B = 1 + n_randint(state, 10);
if (n_randint(state, 2))
A *= 2;
else
B *= 2;
fmpz_init(T);
Tbits = 5 + n_randint(state, 20);
fmpz_set_ui(T, n_randtest_bits(state, Tbits));
vprec = 2 + n_randint(state, 300);
vec = _arb_vec_init(A*B);
acb_dirichlet_platt_scaled_lambda_vec(vec, T, A, B, vprec);
for (iter2 = 0; iter2 < 50; iter2++)
{
ulong Ns_max, sigma;
arb_t expected, observed;
arb_t t0, H;
slong prec;
arb_init(t0);
arb_init(H);
arb_init(expected);
arb_init(observed);
prec = 2 + n_randint(state, 300);
Ns_max = 1 + n_randint(state, 100);
sigma = 1 + 2*(1 + n_randint(state, 100));
arb_set_si(t0, A*B*500 - n_randint(state, A*B*1000) - 1);
arb_div_ui(t0, t0, A*1000, prec);
arb_add_fmpz(t0, t0, T, prec);
arb_set_ui(H, 1 + n_randint(state, 10000));
arb_div_ui(H, H, 1000, prec);
arb_abs(H, H);
acb_dirichlet_platt_scaled_lambda(expected, t0, prec);
acb_dirichlet_platt_ws_interpolation(observed, NULL, t0, vec,
T, A, B, Ns_max, H, sigma, prec);
if (!arb_overlaps(expected, observed))
{
flint_printf("FAIL: overlap\n\n");
flint_printf("iter = %wd\n\n", iter);
flint_printf("iter2 = %wd\n\n", iter2);
flint_printf("A = %wu\n\n", A);
flint_printf("B = %wu\n\n", B);
flint_printf("T = "); fmpz_print(T); flint_printf("\n\n");
flint_printf("vprec = %wd\n\n", vprec);
flint_printf("Ns_max = %wu\n\n", Ns_max);
flint_printf("sigma = %wu\n\n", sigma);
flint_printf("prec = %wd\n\n", prec);
flint_printf("t0 = "); arb_printd(t0, 15); flint_printf("\n\n");
flint_printf("H = "); arb_printd(H, 15); flint_printf("\n\n");
}
arb_clear(t0);
arb_clear(H);
arb_clear(expected);
arb_clear(observed);
}
fmpz_clear(T);
_arb_vec_clear(vec, A*B);
}
flint_randclear(state);
flint_cleanup();
flint_printf("PASS\n");
return EXIT_SUCCESS;
}
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