1 /* mpc_add -- Add two complex numbers.
3 Copyright (C) 2002, 2009, 2011 INRIA
5 This file is part of GNU MPC.
7 GNU MPC is free software; you can redistribute it and/or modify it under
8 the terms of the GNU Lesser General Public License as published by the
9 Free Software Foundation; either version 3 of the License, or (at your
10 option) any later version.
12 GNU MPC is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
14 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
17 You should have received a copy of the GNU Lesser General Public License
18 along with this program. If not, see http://www.gnu.org/licenses/ .
23 /* return 0 iff both the real and imaginary parts are exact */
25 mpc_add (mpc_ptr a
, mpc_srcptr b
, mpc_srcptr c
, mpc_rnd_t rnd
)
29 inex_re
= mpfr_add (mpc_realref(a
), mpc_realref(b
), mpc_realref(c
), MPC_RND_RE(rnd
));
30 inex_im
= mpfr_add (mpc_imagref(a
), mpc_imagref(b
), mpc_imagref(c
), MPC_RND_IM(rnd
));
32 return MPC_INEX(inex_re
, inex_im
);