arb/arb_fmpz_poly/test/t-evaluate_acb.c

111 lines
3.5 KiB
C

/*
Copyright (C) 2017 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_fmpz_poly.h"
int main()
{
slong iter;
flint_rand_t state;
flint_printf("evaluate_acb....");
fflush(stdout);
flint_randinit(state);
for (iter = 0; iter < 3000 * arb_test_multiplier(); iter++)
{
fmpz_poly_t f, g, h;
acb_t x, fx, gx, hx, fxgx;
slong prec1, prec2, prec3;
fmpz_poly_init(f);
fmpz_poly_init(g);
fmpz_poly_init(h);
acb_init(x);
acb_init(fx);
acb_init(gx);
acb_init(hx);
acb_init(fxgx);
fmpz_poly_randtest(f, state, 1 + n_randint(state, 50), 1 + n_randint(state, 1000));
fmpz_poly_randtest(g, state, 1 + n_randint(state, 50), 1 + n_randint(state, 1000));
fmpz_poly_add(h, f, g);
acb_randtest(x, state, 1 + n_randint(state, 2000), 1 + n_randint(state, 100));
acb_randtest(fx, state, 1 + n_randint(state, 2000), 1 + n_randint(state, 100));
acb_randtest(gx, state, 1 + n_randint(state, 2000), 1 + n_randint(state, 100));
acb_randtest(hx, state, 1 + n_randint(state, 2000), 1 + n_randint(state, 100));
acb_randtest(fxgx, state, 1 + n_randint(state, 2000), 1 + n_randint(state, 100));
prec1 = 2 + n_randint(state, 2000);
prec2 = 2 + n_randint(state, 2000);
prec3 = 2 + n_randint(state, 2000);
switch (n_randint(state, 6))
{
case 0:
arb_fmpz_poly_evaluate_acb_horner(fx, f, x, prec1);
break;
case 1:
arb_fmpz_poly_evaluate_acb_rectangular(fx, f, x, prec1);
break;
case 2:
arb_fmpz_poly_evaluate_acb(fx, f, x, prec1);
break;
case 3:
acb_set(fx, x);
arb_fmpz_poly_evaluate_acb_horner(fx, f, fx, prec1);
break;
case 4:
acb_set(fx, x);
arb_fmpz_poly_evaluate_acb_rectangular(fx, f, fx, prec1);
break;
default:
acb_set(fx, x);
arb_fmpz_poly_evaluate_acb(fx, f, fx, prec1);
break;
}
arb_fmpz_poly_evaluate_acb(gx, g, x, prec2);
arb_fmpz_poly_evaluate_acb(hx, h, x, prec3);
acb_add(fxgx, fx, gx, prec3);
if (!acb_overlaps(fxgx, hx))
{
flint_printf("FAIL\n");
fmpz_poly_print(f); flint_printf("\n\n");
fmpz_poly_print(g); flint_printf("\n\n");
fmpz_poly_print(h); flint_printf("\n\n");
acb_printd(x, 30); flint_printf("\n\n");
acb_printd(fx, 30); flint_printf("\n\n");
acb_printd(gx, 30); flint_printf("\n\n");
acb_printd(hx, 30); flint_printf("\n\n");
acb_printd(fxgx, 30); flint_printf("\n\n");
flint_abort();
}
fmpz_poly_clear(f);
fmpz_poly_clear(g);
fmpz_poly_clear(h);
acb_clear(x);
acb_clear(fx);
acb_clear(gx);
acb_clear(hx);
acb_clear(fxgx);
}
flint_randclear(state);
flint_cleanup();
flint_printf("PASS\n");
return EXIT_SUCCESS;
}