arb/arb_mat/test/t-mul.c
Fredrik Johansson d8147d3cc8 add arb_mat
2014-05-14 16:59:09 +02:00

128 lines
3.7 KiB
C

/*=============================================================================
This file is part of ARB.
ARB is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
ARB is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with ARB; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
=============================================================================*/
/******************************************************************************
Copyright (C) 2012 Fredrik Johansson
******************************************************************************/
#include "arb_mat.h"
int main()
{
long iter;
flint_rand_t state;
printf("mul....");
fflush(stdout);
flint_randinit(state);
for (iter = 0; iter < 10000; iter++)
{
long m, n, k, qbits1, qbits2, rbits1, rbits2, rbits3;
fmpq_mat_t A, B, C;
arb_mat_t a, b, c, d;
qbits1 = 2 + n_randint(state, 200);
qbits2 = 2 + n_randint(state, 200);
rbits1 = 2 + n_randint(state, 200);
rbits2 = 2 + n_randint(state, 200);
rbits3 = 2 + n_randint(state, 200);
m = n_randint(state, 10);
n = n_randint(state, 10);
k = n_randint(state, 10);
fmpq_mat_init(A, m, n);
fmpq_mat_init(B, n, k);
fmpq_mat_init(C, m, k);
arb_mat_init(a, m, n);
arb_mat_init(b, n, k);
arb_mat_init(c, m, k);
arb_mat_init(d, m, k);
fmpq_mat_randtest(A, state, qbits1);
fmpq_mat_randtest(B, state, qbits2);
fmpq_mat_mul(C, A, B);
arb_mat_set_fmpq_mat(a, A, rbits1);
arb_mat_set_fmpq_mat(b, B, rbits2);
arb_mat_mul(c, a, b, rbits3);
if (!arb_mat_contains_fmpq_mat(c, C))
{
printf("FAIL\n\n");
printf("m = %ld, n = %ld, k = %ld, bits3 = %ld\n", m, n, k, rbits3);
printf("A = "); fmpq_mat_print(A); printf("\n\n");
printf("B = "); fmpq_mat_print(B); printf("\n\n");
printf("C = "); fmpq_mat_print(C); printf("\n\n");
printf("a = "); arb_mat_printd(a, 15); printf("\n\n");
printf("b = "); arb_mat_printd(b, 15); printf("\n\n");
printf("c = "); arb_mat_printd(c, 15); printf("\n\n");
abort();
}
/* test aliasing with a */
if (arb_mat_nrows(a) == arb_mat_nrows(c) &&
arb_mat_ncols(a) == arb_mat_ncols(c))
{
arb_mat_set(d, a);
arb_mat_mul(d, d, b, rbits3);
if (!arb_mat_equal(d, c))
{
printf("FAIL (aliasing 1)\n\n");
abort();
}
}
/* test aliasing with b */
if (arb_mat_nrows(b) == arb_mat_nrows(c) &&
arb_mat_ncols(b) == arb_mat_ncols(c))
{
arb_mat_set(d, b);
arb_mat_mul(d, a, d, rbits3);
if (!arb_mat_equal(d, c))
{
printf("FAIL (aliasing 2)\n\n");
abort();
}
}
fmpq_mat_clear(A);
fmpq_mat_clear(B);
fmpq_mat_clear(C);
arb_mat_clear(a);
arb_mat_clear(b);
arb_mat_clear(c);
arb_mat_clear(d);
}
flint_randclear(state);
flint_cleanup();
printf("PASS\n");
return EXIT_SUCCESS;
}