100 lines
2.5 KiB
C
100 lines
2.5 KiB
C
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/*=============================================================================
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This file is part of FLINT.
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FLINT is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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FLINT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with FLINT; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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=============================================================================*/
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/******************************************************************************
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Copyright (C) 2011 Fredrik Johansson
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******************************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include <gmp.h>
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#include "flint.h"
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#include "nmod_vec.h"
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#include "ulong_extras.h"
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int
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main(void)
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{
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int i;
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FLINT_TEST_INIT(state);
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flint_printf("dot....");
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fflush(stdout);
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for (i = 0; i < 10000; i++)
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{
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slong len;
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nmod_t mod;
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mp_limb_t m, res;
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mp_ptr x, y;
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int limbs1;
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mpz_t s, t;
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slong j;
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len = n_randint(state, 1000) + 1;
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m = n_randtest_not_zero(state);
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nmod_init(&mod, m);
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x = _nmod_vec_init(len);
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y = _nmod_vec_init(len);
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_nmod_vec_randtest(x, state, len, mod);
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_nmod_vec_randtest(y, state, len, mod);
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limbs1 = _nmod_vec_dot_bound_limbs(len, mod);
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res = _nmod_vec_dot(x, y, len, mod, limbs1);
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mpz_init(s);
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mpz_init(t);
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for (j = 0; j < len; j++)
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{
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flint_mpz_set_ui(t, x[j]);
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flint_mpz_addmul_ui(s, t, y[j]);
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}
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flint_mpz_mod_ui(s, s, m);
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if (flint_mpz_get_ui(s) != res)
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{
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flint_printf("FAIL:\n");
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flint_printf("m = %wu\n", m);
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flint_printf("len = %wd\n", len);
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flint_printf("limbs1 = %d\n", limbs1);
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abort();
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}
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mpz_clear(s);
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mpz_clear(t);
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_nmod_vec_clear(x);
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_nmod_vec_clear(y);
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}
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FLINT_TEST_CLEANUP(state);
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flint_printf("PASS\n");
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return 0;
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}
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