153 lines
4.5 KiB
C
153 lines
4.5 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) 2010 Sebastian Pancratz
|
|
Copyright (C) 2009 William Hart
|
|
|
|
******************************************************************************/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <gmp.h>
|
|
#include "flint.h"
|
|
#include "fmpz.h"
|
|
#include "fmpq_poly.h"
|
|
#include "ulong_extras.h"
|
|
|
|
int
|
|
main(void)
|
|
{
|
|
int i, result;
|
|
ulong cflags = UWORD(0);
|
|
|
|
FLINT_TEST_INIT(state);
|
|
|
|
flint_printf("mul....");
|
|
fflush(stdout);
|
|
|
|
/* Check aliasing of a and b */
|
|
for (i = 0; i < 200 * flint_test_multiplier(); i++)
|
|
{
|
|
fmpq_poly_t a, b, c;
|
|
|
|
fmpq_poly_init(a);
|
|
fmpq_poly_init(b);
|
|
fmpq_poly_init(c);
|
|
fmpq_poly_randtest(b, state, n_randint(state, 50), 500);
|
|
fmpq_poly_randtest(c, state, n_randint(state, 50), 500);
|
|
|
|
fmpq_poly_mul(a, b, c);
|
|
fmpq_poly_mul(b, b, c);
|
|
|
|
cflags |= fmpq_poly_is_canonical(a) ? 0 : 1;
|
|
cflags |= fmpq_poly_is_canonical(b) ? 0 : 2;
|
|
result = (fmpq_poly_equal(a, b) && !cflags);
|
|
if (!result)
|
|
{
|
|
flint_printf("FAIL:\n");
|
|
fmpq_poly_debug(a), flint_printf("\n\n");
|
|
fmpq_poly_debug(b), flint_printf("\n\n");
|
|
flint_printf("cflags = %wu\n\n", cflags);
|
|
abort();
|
|
}
|
|
|
|
fmpq_poly_clear(a);
|
|
fmpq_poly_clear(b);
|
|
fmpq_poly_clear(c);
|
|
}
|
|
|
|
/* Check aliasing of a and c */
|
|
for (i = 0; i < 200 * flint_test_multiplier(); i++)
|
|
{
|
|
fmpq_poly_t a, b, c;
|
|
|
|
fmpq_poly_init(a);
|
|
fmpq_poly_init(b);
|
|
fmpq_poly_init(c);
|
|
fmpq_poly_randtest(b, state, n_randint(state, 50), 500);
|
|
fmpq_poly_randtest(c, state, n_randint(state, 50), 500);
|
|
|
|
fmpq_poly_mul(a, b, c);
|
|
fmpq_poly_mul(c, b, c);
|
|
|
|
cflags |= fmpq_poly_is_canonical(a) ? 0 : 1;
|
|
cflags |= fmpq_poly_is_canonical(c) ? 0 : 2;
|
|
result = (fmpq_poly_equal(a, c) && !cflags);
|
|
if (!result)
|
|
{
|
|
flint_printf("FAIL:\n");
|
|
fmpq_poly_debug(a), flint_printf("\n\n");
|
|
fmpq_poly_debug(c), flint_printf("\n\n");
|
|
flint_printf("cflags = %wu\n\n", cflags);
|
|
abort();
|
|
}
|
|
|
|
fmpq_poly_clear(a);
|
|
fmpq_poly_clear(b);
|
|
fmpq_poly_clear(c);
|
|
}
|
|
|
|
/* Check (b*c)+(b*d) = b*(c+d) */
|
|
for (i = 0; i < 200 * flint_test_multiplier(); i++)
|
|
{
|
|
fmpq_poly_t a1, a2, b, c, d;
|
|
|
|
fmpq_poly_init(a1);
|
|
fmpq_poly_init(a2);
|
|
fmpq_poly_init(b);
|
|
fmpq_poly_init(c);
|
|
fmpq_poly_init(d);
|
|
fmpq_poly_randtest(b, state, n_randint(state, 100), 500);
|
|
fmpq_poly_randtest(c, state, n_randint(state, 100), 500);
|
|
fmpq_poly_randtest(d, state, n_randint(state, 100), 500);
|
|
|
|
fmpq_poly_mul(a1, b, c);
|
|
fmpq_poly_mul(a2, b, d);
|
|
fmpq_poly_add(a1, a1, a2);
|
|
|
|
fmpq_poly_add(c, c, d);
|
|
fmpq_poly_mul(a2, b, c);
|
|
|
|
cflags |= fmpq_poly_is_canonical(a1) ? 0 : 1;
|
|
cflags |= fmpq_poly_is_canonical(a2) ? 0 : 2;
|
|
result = (fmpq_poly_equal(a1, a2) && !cflags);
|
|
if (!result)
|
|
{
|
|
flint_printf("FAIL:\n");
|
|
fmpq_poly_debug(a1), flint_printf("\n\n");
|
|
fmpq_poly_debug(a2), flint_printf("\n\n");
|
|
flint_printf("cflags = %wu\n\n", cflags);
|
|
abort();
|
|
}
|
|
|
|
fmpq_poly_clear(a1);
|
|
fmpq_poly_clear(a2);
|
|
fmpq_poly_clear(b);
|
|
fmpq_poly_clear(c);
|
|
fmpq_poly_clear(d);
|
|
}
|
|
|
|
FLINT_TEST_CLEANUP(state);
|
|
|
|
flint_printf("PASS\n");
|
|
return 0;
|
|
}
|