mirror of
https://review.haiku-os.org/buildtools
synced 2025-01-31 10:34:41 +01:00
3c24538123
git-svn-id: file:///srv/svn/repos/haiku/buildtools/trunk@42242 a95241bf-73f2-0310-859d-f6bbb57e9c96
47 lines
1.6 KiB
C
47 lines
1.6 KiB
C
/* Comparison functions.
|
|
|
|
Copyright (C) INRIA, 2008, 2009
|
|
|
|
This file is part of the MPC Library.
|
|
|
|
The MPC Library is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation; either version 2.1 of the License, or (at your
|
|
option) any later version.
|
|
|
|
The MPC Library 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 Lesser General Public
|
|
License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with the MPC Library; see the file COPYING.LIB. If not, write to
|
|
the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
|
|
MA 02111-1307, USA. */
|
|
|
|
#include "mpc-tests.h"
|
|
|
|
/* comparisons, see description in mpc-tests.h */
|
|
int
|
|
same_mpfr_value (mpfr_ptr got, mpfr_ptr ref, int known_sign)
|
|
{
|
|
/* The sign of zeroes and infinities is checked only when
|
|
known_sign is true. */
|
|
if (mpfr_nan_p (got))
|
|
return mpfr_nan_p (ref);
|
|
if (mpfr_inf_p (got))
|
|
return mpfr_inf_p (ref) &&
|
|
(!known_sign || mpfr_signbit (got) == mpfr_signbit (ref));
|
|
if (mpfr_zero_p (got))
|
|
return mpfr_zero_p (ref) &&
|
|
(!known_sign || mpfr_signbit (got) == mpfr_signbit (ref));
|
|
return mpfr_cmp (got, ref) == 0;
|
|
}
|
|
|
|
int
|
|
same_mpc_value (mpc_ptr got, mpc_ptr ref, known_signs_t known_signs)
|
|
{
|
|
return same_mpfr_value (MPC_RE (got), MPC_RE (ref), known_signs.re)
|
|
&& same_mpfr_value (MPC_IM (got), MPC_IM (ref), known_signs.im);
|
|
}
|