arb/arb_hypgeom/test/t-rising_ui_jet.c
2021-07-11 08:06:18 +02:00

95 lines
3.1 KiB
C

/*
Copyright (C) 2021 Fredrik Johansson
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 "arb_hypgeom.h"
void
rising_algorithm(arb_ptr res, const arb_t x, ulong n, ulong m, slong len, slong prec, int alg)
{
if (alg == 0)
arb_hypgeom_rising_ui_jet_powsum(res, x, n, len, prec);
else if (alg == 1)
arb_hypgeom_rising_ui_jet_rs(res, x, n, m, len, prec);
else if (alg == 2)
arb_hypgeom_rising_ui_jet_bs(res, x, n, len, prec);
else
arb_hypgeom_rising_ui_jet(res, x, n, len, prec);
}
int main()
{
slong iter;
flint_rand_t state;
flint_printf("rising_ui_jet....");
fflush(stdout);
flint_randinit(state);
for (iter = 0; iter < 10000 * arb_test_multiplier(); iter++)
{
arb_t x, xk;
arb_ptr y, ya, yb, yayb;
ulong k, n, m1, m2, m3, len;
slong prec;
int alg1, alg2, alg3;
prec = 2 + n_randint(state, 200);
len = 1 + n_randint(state, 6);
k = n_randint(state, 10);
n = n_randint(state, 50);
m1 = n_randint(state, 2) ? 0 : 1 + n_randint(state, FLINT_MAX(n + k, 1));
m2 = n_randint(state, 2) ? 0 : 1 + n_randint(state, FLINT_MAX(k, 1));
m3 = n_randint(state, 2) ? 0 : 1 + n_randint(state, FLINT_MAX(n, 1));
alg1 = n_randint(state, 4);
alg2 = n_randint(state, 4);
alg3 = n_randint(state, 4);
arb_init(x);
arb_init(xk);
y = _arb_vec_init(len);
ya = _arb_vec_init(len);
yb = _arb_vec_init(len);
yayb = _arb_vec_init(len);
arb_randtest(x, state, prec, 10);
arb_add_ui(xk, x, k, prec);
rising_algorithm(y, x, n + k, m1, len, prec, alg1);
rising_algorithm(ya, x, k, m2, len, prec, alg2);
rising_algorithm(yb, xk, n, m3, len, prec, alg3);
_arb_poly_mullow(yayb, ya, len, yb, len, len, prec);
if (!_arb_poly_overlaps(y, len, yayb, len))
{
flint_printf("FAIL\n\n");
flint_printf("len = %wd, k = %wu, n = %wu, m1 = %wu, m2 = %wu, m3 = %wu\n\n", len, k, n, m1, m2, m3);
flint_printf("x = "); arb_printn(x, 100, 0); flint_printf("\n\n");
flint_printf("y = "); _arb_vec_printn(y, len, 100, 0); flint_printf("\n\n");
flint_printf("ya = "); _arb_vec_printn(ya, len, 100, 0); flint_printf("\n\n");
flint_printf("yb = "); _arb_vec_printn(yb, len, 100, 0); flint_printf("\n\n");
flint_printf("yayb = "); _arb_vec_printn(yayb, len, 100, 0); flint_printf("\n\n");
flint_abort();
}
arb_clear(x);
arb_clear(xk);
_arb_vec_clear(y, len);
_arb_vec_clear(ya, len);
_arb_vec_clear(yb, len);
_arb_vec_clear(yayb, len);
}
flint_randclear(state);
flint_cleanup();
flint_printf("PASS\n");
return EXIT_SUCCESS;
}