84 lines
2.2 KiB
C
84 lines
2.2 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 Fredrik Johansson
|
|
|
|
******************************************************************************/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <gmp.h>
|
|
#include "flint.h"
|
|
#include "fmpz.h"
|
|
#include "fmpq.h"
|
|
#include "fmpz_vec.h"
|
|
#include "ulong_extras.h"
|
|
|
|
int
|
|
main(void)
|
|
{
|
|
int i;
|
|
FLINT_TEST_INIT(state);
|
|
|
|
|
|
flint_printf("set_cfrac....");
|
|
fflush(stdout);
|
|
|
|
for (i = 0; i < 10000; i++)
|
|
{
|
|
fmpq_t x, y, r;
|
|
fmpz * c;
|
|
slong n, bound;
|
|
|
|
fmpq_init(x);
|
|
fmpq_init(y);
|
|
fmpq_init(r);
|
|
|
|
fmpq_randtest(x, state, 1 + n_randint(state, 1000));
|
|
bound = fmpq_cfrac_bound(x);
|
|
|
|
c = _fmpz_vec_init(bound);
|
|
|
|
n = fmpq_get_cfrac(c, r, x, bound);
|
|
fmpq_set_cfrac(y, c, n);
|
|
|
|
if (!fmpq_equal(x, y))
|
|
{
|
|
flint_printf("FAIL: x != y\n");
|
|
flint_printf("x = "); fmpq_print(x); flint_printf("\n");
|
|
flint_printf("y = "); fmpq_print(y); flint_printf("\n");
|
|
flint_printf("c = "); _fmpz_vec_print(c, n); flint_printf("\n\n");
|
|
abort();
|
|
}
|
|
|
|
_fmpz_vec_clear(c, bound);
|
|
fmpq_clear(x);
|
|
fmpq_clear(y);
|
|
fmpq_clear(r);
|
|
}
|
|
|
|
|
|
|
|
FLINT_TEST_CLEANUP(state);
|
|
flint_printf("PASS\n");
|
|
return 0;
|
|
}
|