pqc/external/flint-2.4.3/nmod_poly/test/t-fread_print.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) 2010 William Hart
******************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <gmp.h>
#include "flint.h"
#include "nmod_poly.h"
#include "ulong_extras.h"
#if !defined (__WIN32) && !defined (__CYGWIN__)
int
main(void)
{
int i, result, r1;
FLINT_TEST_INIT(state);
flint_printf("fread_print....");
fflush(stdout);
/* Check reading and writing to a file */
for (i = 0; i < 100 * flint_test_multiplier(); i++)
{
nmod_poly_t a, b;
mp_limb_t n = n_randtest_not_zero(state);
FILE * f = fopen("nmod_poly_test", "w+");
if (!f)
{
flint_printf("Error: unable to open file for writing.\n");
abort();
}
nmod_poly_init(a, n);
nmod_poly_init(b, n);
nmod_poly_randtest(a, state, n_randint(state, 100));
nmod_poly_fprint(f, a);
fflush(f);
fclose(f);
f = fopen("nmod_poly_test", "r");
r1 = nmod_poly_fread(f, b);
result = (r1 && nmod_poly_equal(a, b));
if (!result)
{
flint_printf("FAIL:\n");
flint_printf("r1 = %d, n = %wu\n", r1, a->mod.n);
nmod_poly_print(a), flint_printf("\n\n");
nmod_poly_print(b), flint_printf("\n\n");
fclose(f);
remove("nmod_poly_test");
abort();
}
fclose(f);
if (remove("nmod_poly_test"))
{
flint_printf("Error, unable to delete file nmod_poly_test\n");
abort();
}
nmod_poly_clear(a);
nmod_poly_clear(b);
}
FLINT_TEST_CLEANUP(state);
flint_printf("PASS\n");
return 0;
}
#else
int main(void)
{
flint_printf("print/ read....");
fflush(stdout);
flint_printf("SKIPPED\n");
return EXIT_SUCCESS;
}
#endif