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

111 lines
2.9 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 "fmpq.h"
int
main(void)
{
int i, result;
FLINT_TEST_INIT(state);
flint_printf("mul_fmpz....");
fflush(stdout);
/* Aliasing x = x*z */
for (i = 0; i < 10000; i++)
{
fmpq_t x, y;
fmpz_t z;
fmpq_init(x);
fmpq_init(y);
fmpz_init(z);
fmpq_randtest(x, state, 200);
fmpz_randtest(z, state, 200);
fmpq_mul_fmpz(y, x, z);
fmpq_mul_fmpz(x, x, z);
result = (fmpq_is_canonical(x) && fmpq_is_canonical(y) && fmpq_equal(x, y));
if (!result)
{
flint_printf("FAIL (alias):\n");
flint_printf("x = "), fmpq_print(x), flint_printf("\n");
flint_printf("y = "), fmpq_print(y), flint_printf("\n");
flint_printf("z = "), fmpz_print(z), flint_printf("\n");
abort();
}
fmpq_clear(x);
fmpq_clear(y);
fmpz_clear(z);
}
/* Compare with fmpq_mul */
for (i = 0; i < 10000; i++)
{
fmpq_t x, y, z;
fmpq_init(x);
fmpq_init(y);
fmpq_init(z);
fmpq_randtest(x, state, 200);
fmpz_randtest(fmpq_numref(z), state, 200);
fmpq_mul_fmpz(y, x, fmpq_numref(z));
fmpq_mul(x, x, z);
result = (fmpq_is_canonical(x) && fmpq_is_canonical(y) && fmpq_equal(x, y));
if (!result)
{
flint_printf("FAIL (cmp):\n");
flint_printf("x = "), fmpq_print(x), flint_printf("\n");
flint_printf("y = "), fmpq_print(y), flint_printf("\n");
flint_printf("z = "), fmpq_print(z), flint_printf("\n");
abort();
}
fmpq_clear(x);
fmpq_clear(y);
fmpq_clear(z);
}
FLINT_TEST_CLEANUP(state);
flint_printf("PASS\n");
return EXIT_SUCCESS;
}