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/*=============================================================================
This file is part of FLINT.
FLINT 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.
FLINT 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 FLINT; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
=============================================================================*/
/******************************************************************************
Copyright (C) 2009 William Hart
******************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <gmp.h>
#include "flint.h"
#include "nmod_vec.h"
#include "ulong_extras.h"
int
main(void)
{
int i, result;
FLINT_TEST_INIT(state);
flint_printf("reduce....");
fflush(stdout);
for (i = 0; i < 10000; i++)
{
slong j, len = n_randint(state, 100) + 1;
mp_ptr vec = _nmod_vec_init(len);
mp_ptr vec2 = _nmod_vec_init(len);
mp_limb_t n = n_randtest_not_zero(state);
nmod_t mod;
nmod_init(&mod, n);
for (j = 0; j < len; j++)
{
vec[j] = n_randtest(state);
vec2[j] = vec[j];
}
_nmod_vec_reduce(vec, vec, len, mod);
for (j = 0; j < len; j++)
vec2[j] = n_mod2_preinv(vec2[j], mod.n, mod.ninv);
result = _nmod_vec_equal(vec, vec2, len);
if (!result)
{
flint_printf("FAIL:\n");
flint_printf("len = %wd, n = %wd\n", len, n);
abort();
}
_nmod_vec_clear(vec);
_nmod_vec_clear(vec2);
}
FLINT_TEST_CLEANUP(state);
flint_printf("PASS\n");
return 0;
}
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