117 lines
3.2 KiB
C
117 lines
3.2 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) 2011 Sebastian Pancratz
|
|
|
|
******************************************************************************/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <gmp.h>
|
|
#include "flint.h"
|
|
#include "fmpz.h"
|
|
#include "fmpz_vec.h"
|
|
#include "ulong_extras.h"
|
|
|
|
int
|
|
main(void)
|
|
{
|
|
int i, result;
|
|
FLINT_TEST_INIT(state);
|
|
|
|
flint_printf("scalar_mod_fmpz....");
|
|
fflush(stdout);
|
|
|
|
|
|
|
|
/* Check aliasing of a and b */
|
|
for (i = 0; i < 1000 * flint_test_multiplier(); i++)
|
|
{
|
|
fmpz_t p;
|
|
fmpz *a, *b;
|
|
slong len = n_randint(state, 100);
|
|
|
|
fmpz_init(p);
|
|
fmpz_randtest_unsigned(p, state, 100);
|
|
fmpz_add_ui(p, p, 1);
|
|
|
|
a = _fmpz_vec_init(len);
|
|
b = _fmpz_vec_init(len);
|
|
_fmpz_vec_randtest(a, state, len, 200);
|
|
|
|
_fmpz_vec_scalar_mod_fmpz(b, a, len, p);
|
|
_fmpz_vec_scalar_mod_fmpz(a, a, len, p);
|
|
|
|
result = (_fmpz_vec_equal(a, a, len));
|
|
if (!result)
|
|
{
|
|
flint_printf("FAIL:\n");
|
|
_fmpz_vec_print(a, len), flint_printf("\n\n");
|
|
_fmpz_vec_print(b, len), flint_printf("\n\n");
|
|
abort();
|
|
}
|
|
|
|
_fmpz_vec_clear(a, len);
|
|
_fmpz_vec_clear(b, len);
|
|
fmpz_clear(p);
|
|
}
|
|
|
|
/* Check the result is reduced */
|
|
for (i = 0; i < 1000 * flint_test_multiplier(); i++)
|
|
{
|
|
fmpz_t p;
|
|
fmpz *a, *b;
|
|
slong j, len = n_randint(state, 100);
|
|
|
|
fmpz_init(p);
|
|
fmpz_randtest_unsigned(p, state, 100);
|
|
fmpz_add_ui(p, p, 1);
|
|
|
|
a = _fmpz_vec_init(len);
|
|
b = _fmpz_vec_init(len);
|
|
_fmpz_vec_randtest(a, state, len, 200);
|
|
|
|
_fmpz_vec_scalar_mod_fmpz(b, a, len, p);
|
|
|
|
result = 1;
|
|
for (j = 0; j < len; j++)
|
|
result &= (fmpz_sgn(b + j) >= 0 && fmpz_cmp(b + j, p) < 0);
|
|
|
|
if (!result)
|
|
{
|
|
flint_printf("FAIL:\n");
|
|
_fmpz_vec_print(a, len), flint_printf("\n\n");
|
|
_fmpz_vec_print(b, len), flint_printf("\n\n");
|
|
fmpz_print(p), flint_printf("\n\n");
|
|
abort();
|
|
}
|
|
|
|
_fmpz_vec_clear(a, len);
|
|
_fmpz_vec_clear(b, len);
|
|
fmpz_clear(p);
|
|
}
|
|
|
|
FLINT_TEST_CLEANUP(state);
|
|
|
|
flint_printf("PASS\n");
|
|
return 0;
|
|
}
|