xref: /dragonfly/contrib/mpc/src/out_str.c (revision cfd1aba3)
1 /* mpc_out_str -- Output a complex number on a given stream.
2 
3 Copyright (C) 2009, 2011 INRIA
4 
5 This file is part of GNU MPC.
6 
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.
11 
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
15 more details.
16 
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/ .
19 */
20 
21 #include <stdio.h> /* for FILE */
22 #include <ctype.h>
23 #include "mpc-impl.h"
24 
25 size_t
26 mpc_out_str (FILE *stream, int base, size_t n, mpc_srcptr op, mpc_rnd_t rnd) {
27    size_t size = 3; /* for '(', ' ' and ')' */
28 
29    if (stream == NULL)
30       stream = stdout; /* fprintf does not allow NULL as first argument */
31 
32    fprintf (stream, "(");
33    size += mpfr_out_str (stream, base, n, mpc_realref(op), MPC_RND_RE(rnd));
34    fprintf (stream, " ");
35    size += mpfr_out_str (stream, base, n, mpc_imagref(op), MPC_RND_RE(rnd));
36    fprintf (stream, ")");
37 
38    return size;
39 }
40