pqc/external/flint-2.4.3/fq_poly_factor_templates/test/t-iterated_frobenius_preinv.c
2014-05-24 23:16:06 +02:00

115 lines
3.3 KiB
C

/*=============================================================================
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) 2013 Mike Hansen
******************************************************************************/
#ifdef T
#include "templates.h"
int
main(void)
{
int i, j;
FLINT_TEST_INIT(state);
flint_printf("iterated_frobenius_preinv....");
fflush(stdout);
for (j = 0; j < 20 * flint_test_multiplier(); j++)
{
int result;
fmpz_t q;
slong n;
TEMPLATE(T, ctx_t) ctx;
TEMPLATE(T, poly_t) v, vinv, *h1, *h2;
TEMPLATE(T, ctx_randtest) (ctx, state);
fmpz_init(q);
TEMPLATE(T, ctx_order) (q, ctx);
TEMPLATE(T, poly_init) (v, ctx);
TEMPLATE(T, poly_init) (vinv, ctx);
TEMPLATE(T, poly_randtest_monic) (v, state, n_randint(state, 20) + 1,
ctx);
TEMPLATE(T, poly_reverse) (vinv, v, v->length, ctx);
TEMPLATE(T, poly_inv_series_newton) (vinv, vinv, v->length, ctx);
n = n_randint(state, 5) + 2;
if (!(h1 = flint_malloc((2 * n) * sizeof(TEMPLATE(T, poly_struct)))))
{
flint_printf("Exception (t-fq_poly_iterated_frobenius_preinv):\n");
flint_printf("Not enough memory.\n");
abort();
}
h2 = h1 + n;
for (i = 0; i < 2 * n; i++)
TEMPLATE(T, poly_init) (h1[i], ctx);
TEMPLATE(T, poly_iterated_frobenius_preinv) (h1, n, v, vinv, ctx);
TEMPLATE(T, poly_gen) (h2[0], ctx);
for (i = 1; i < n; i++)
TEMPLATE(T, poly_powmod_fmpz_sliding_preinv) (h2[i], h2[i - 1], q,
0, v, vinv, ctx);
result = 1;
for (i = 0; i < n; i++)
result = result && TEMPLATE(T, poly_equal) (h1[i], h2[i], ctx);
if (!result)
{
flint_printf("FAIL (composition):\n");
flint_printf("v:\n");
TEMPLATE(T, poly_print) (v, ctx);
flint_printf("\n");
abort();
}
TEMPLATE(T, poly_clear) (v, ctx);
TEMPLATE(T, poly_clear) (vinv, ctx);
for (i = 0; i < 2 * n; i++)
TEMPLATE(T, poly_clear) (h1[i], ctx);
flint_free(h1);
TEMPLATE(T, ctx_clear) (ctx);
fmpz_clear(q);
}
FLINT_TEST_CLEANUP(state);
flint_printf("PASS\n");
return 0;
}
#endif