pqc/external/flint-2.4.3/fq/profile/p-reduce.c

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2014-05-18 22:03:37 +00:00
/*=============================================================================
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
******************************************************************************/
#include "flint.h"
#include "fq.h"
#include <stdio.h>
#include "profiler.h"
int
main(int argc, char** argv)
{
slong i, result;
fmpz_t p;
slong d;
fq_ctx_t ctx;
fq_t a,b,c;
double dense;
FLINT_TEST_INIT(state);
fmpz_init(p);
fmpz_set_str(p, argv[1], 10);
d = atoi(argv[2]);
fq_ctx_init(ctx,p,d,"a");
fq_init(a, ctx);
fq_init(b, ctx);
fq_init(c, ctx);
fq_randtest_not_zero(a,state,ctx);
fq_randtest_not_zero(b,state,ctx);
fmpz_poly_mul(c, a, b);
init_clock(0);
prof_start();
for (i=0; i < 1000; i++)
{
fmpz_poly_set(a, c);
_fq_dense_reduce(a->coeffs, a->length, ctx);
}
prof_stop();
dense = get_clock(0);
init_clock(0);
prof_start();
for (i = 0; i < 1000; i++)
{
fmpz_poly_set(b, c);
_fq_sparse_reduce(b->coeffs, b->length, ctx);
}
prof_stop();
if (get_clock(0) <= dense)
{
result = 1;
}
else
{
result = 0;
}
fmpz_print(p);
flint_printf(" %d %d %d\n", ctx->len, ctx->modulus->length, result);
fq_clear(a, ctx);
fq_clear(b, ctx);
fq_clear(c, ctx);
fq_ctx_clear(ctx);
fmpz_clear(p);
FLINT_TEST_CLEANUP(state);
return 0;
}