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author | zimmerma <zimmerma@211d60ee-9f03-0410-a15a-8952a2c7a4e4> | 2003-01-16 09:54:54 +0000 |
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committer | zimmerma <zimmerma@211d60ee-9f03-0410-a15a-8952a2c7a4e4> | 2003-01-16 09:54:54 +0000 |
commit | d8857148e690936e54f1fbc8d0193a8ee0d4dcc1 (patch) | |
tree | 691cbfe393b09240bcedcb8df55ae19df1528bfd /add.c | |
parent | a9117d598d31cf572d78f9d8a060df82647522fc (diff) | |
download | mpc-d8857148e690936e54f1fbc8d0193a8ee0d4dcc1.tar.gz |
Initial revision
git-svn-id: svn://scm.gforge.inria.fr/svn/mpc/trunk@2 211d60ee-9f03-0410-a15a-8952a2c7a4e4
Diffstat (limited to 'add.c')
-rw-r--r-- | add.c | 36 |
1 files changed, 36 insertions, 0 deletions
@@ -0,0 +1,36 @@ +/* mpc_add -- Add two complex numbers. + +Copyright (C) 2002 Andreas Enge, Paul Zimmermann + +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 "gmp.h" +#include "mpfr.h" +#include "mpc.h" + +/* return 0 iff both the real and imaginary parts are exact */ +int +mpc_add (mpc_ptr a, mpc_srcptr b, mpc_srcptr c, mp_rnd_t rnd) +{ + int inex_re, inex_im; + + inex_re = mpfr_add (MPC_RE(a), MPC_RE(b), MPC_RE(c), MPC_RND_RE(rnd)); + inex_im = mpfr_add (MPC_IM(a), MPC_IM(b), MPC_IM(c), MPC_RND_IM(rnd)); + + return MPC_INEX(inex_re, inex_im); +} |