50 lines
1.5 KiB
C
50 lines
1.5 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) 2011 Fredrik Johansson
|
|
|
|
******************************************************************************/
|
|
|
|
#include "fmpq.h"
|
|
|
|
void
|
|
_fmpq_next_signed_minimal(fmpz_t rnum, fmpz_t rden,
|
|
const fmpz_t num, const fmpz_t den)
|
|
{
|
|
if (fmpz_sgn(num) > 0)
|
|
{
|
|
fmpz_neg(rnum, num);
|
|
fmpz_set(rden, den);
|
|
}
|
|
else
|
|
{
|
|
fmpz_neg(rnum, num);
|
|
_fmpq_next_minimal(rnum, rden, rnum, den);
|
|
}
|
|
}
|
|
|
|
void
|
|
fmpq_next_signed_minimal(fmpq_t res, const fmpq_t x)
|
|
{
|
|
_fmpq_next_signed_minimal(fmpq_numref(res), fmpq_denref(res),
|
|
fmpq_numref(x), fmpq_denref(x));
|
|
}
|