92 lines
2.5 KiB
C
92 lines
2.5 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) 2009 William Hart
|
|
Copyright (C) 2010 Sebastian Pancratz
|
|
|
|
******************************************************************************/
|
|
|
|
#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;
|
|
FLINT_TEST_INIT(state);
|
|
|
|
flint_printf("content....");
|
|
fflush(stdout);
|
|
|
|
|
|
|
|
/* Check that content(a f) = abs(a) content(f) */
|
|
for (i = 0; i < 1000 * flint_test_multiplier(); i++)
|
|
{
|
|
fmpq_poly_t f, g;
|
|
fmpq_t a, b, c;
|
|
|
|
fmpq_poly_init(f);
|
|
fmpq_poly_init(g);
|
|
|
|
fmpq_init(a);
|
|
fmpq_init(b);
|
|
fmpq_init(c);
|
|
|
|
fmpq_poly_randtest_not_zero(f, state, n_randint(state, 100) + 1, 100);
|
|
fmpq_randtest_not_zero(a, state, 100);
|
|
|
|
fmpq_poly_scalar_mul_fmpq(g, f, a);
|
|
fmpq_poly_content(b, g);
|
|
fmpq_poly_content(c, f);
|
|
fmpq_mul(c, a, c);
|
|
fmpq_abs(c, c);
|
|
|
|
result = (fmpq_equal(b, c));
|
|
if (!result)
|
|
{
|
|
flint_printf("FAIL:\n");
|
|
fmpq_poly_print(f), flint_printf("\n\n");
|
|
fmpq_poly_print(g), flint_printf("\n\n");
|
|
fmpq_print(a), flint_printf("\n\n");
|
|
fmpq_print(b), flint_printf("\n\n");
|
|
fmpq_print(c), flint_printf("\n\n");
|
|
abort();
|
|
}
|
|
|
|
fmpq_poly_clear(f);
|
|
fmpq_poly_clear(g);
|
|
fmpq_clear(a);
|
|
fmpq_clear(b);
|
|
fmpq_clear(c);
|
|
}
|
|
|
|
FLINT_TEST_CLEANUP(state);
|
|
|
|
flint_printf("PASS\n");
|
|
return 0;
|
|
}
|