60 lines
1.8 KiB
C
60 lines
1.8 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 "arith.h"
|
||
|
|
|
||
|
|
void _arith_bernoulli_number_vec(fmpz * num, fmpz * den, slong n)
|
||
|
|
{
|
||
|
|
if (n < 700)
|
||
|
|
_arith_bernoulli_number_vec_recursive(num, den, n);
|
||
|
|
else if (n < 3900)
|
||
|
|
_arith_bernoulli_number_vec_zeta(num, den, n);
|
||
|
|
else
|
||
|
|
_arith_bernoulli_number_vec_multi_mod(num, den, n);
|
||
|
|
}
|
||
|
|
|
||
|
|
void arith_bernoulli_number_vec(fmpq * x, slong n)
|
||
|
|
{
|
||
|
|
fmpz * num, * den;
|
||
|
|
slong i;
|
||
|
|
|
||
|
|
if (n <= 0)
|
||
|
|
return;
|
||
|
|
|
||
|
|
num = _fmpz_vec_init(n * 2);
|
||
|
|
den = num + n;
|
||
|
|
|
||
|
|
_arith_bernoulli_number_vec(num, den, n);
|
||
|
|
|
||
|
|
for (i = 0; i < n; i++)
|
||
|
|
{
|
||
|
|
fmpz_swap(num + i, fmpq_numref(x + i));
|
||
|
|
fmpz_swap(den + i, fmpq_denref(x + i));
|
||
|
|
}
|
||
|
|
|
||
|
|
_fmpz_vec_clear(num, n * 2);
|
||
|
|
}
|
||
|
|
|