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/*
Copyright (C) 2015 Arb authors
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_mat.h"
int main()
{
slong iter;
flint_rand_t state;
flint_printf("sqr....");
fflush(stdout);
flint_randinit(state);
for (iter = 0; iter < 10000 * arb_test_multiplier(); iter++)
{
slong n, qbits1, rbits1, rbits2;
fmpq_mat_t A, B;
arb_mat_t a, b, c;
qbits1 = 2 + n_randint(state, 200);
rbits1 = 2 + n_randint(state, 200);
rbits2 = 2 + n_randint(state, 200);
n = n_randint(state, 10);
fmpq_mat_init(A, n, n);
fmpq_mat_init(B, n, n);
arb_mat_init(a, n, n);
arb_mat_init(b, n, n);
arb_mat_init(c, n, n);
fmpq_mat_randtest(A, state, qbits1);
fmpq_mat_mul(B, A, A);
arb_mat_set_fmpq_mat(a, A, rbits1);
arb_mat_sqr(b, a, rbits2);
if (!arb_mat_contains_fmpq_mat(b, B))
{
flint_printf("FAIL\n\n");
flint_printf("n = %wd, bits2 = %wd\n", n, rbits2);
flint_printf("A = "); fmpq_mat_print(A); flint_printf("\n\n");
flint_printf("B = "); fmpq_mat_print(B); flint_printf("\n\n");
flint_printf("a = "); arb_mat_printd(a, 15); flint_printf("\n\n");
flint_printf("b = "); arb_mat_printd(b, 15); flint_printf("\n\n");
flint_abort();
}
/* test aliasing */
arb_mat_set(c, a);
arb_mat_sqr(c, c, rbits2);
if (!arb_mat_equal(c, b))
{
flint_printf("FAIL (aliasing)\n\n");
flint_abort();
}
fmpq_mat_clear(A);
fmpq_mat_clear(B);
arb_mat_clear(a);
arb_mat_clear(b);
arb_mat_clear(c);
}
flint_randclear(state);
flint_cleanup();
flint_printf("PASS\n");
return EXIT_SUCCESS;
}
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