xref: /netbsd-src/external/lgpl3/gmp/dist/mpq/out_str.c (revision 230b95665bbd3a9d1a53658a36b1053f8382a519)
1 /* mpq_out_str(stream,base,integer) */
2 
3 /*
4 Copyright 2000, 2001 Free Software Foundation, Inc.
5 
6 This file is part of the GNU MP Library.
7 
8 The GNU MP Library is free software; you can redistribute it and/or modify
9 it under the terms of the GNU Lesser General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or (at your
11 option) any later version.
12 
13 The GNU MP Library is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15 or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
16 License for more details.
17 
18 You should have received a copy of the GNU Lesser General Public License
19 along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
20 
21 #include <stdio.h>
22 #include "gmp.h"
23 #include "gmp-impl.h"
24 
25 
26 size_t
27 mpq_out_str (FILE *stream, int base, mpq_srcptr q)
28 {
29   size_t  written;
30 
31   if (stream == NULL)
32     stream = stdout;
33 
34   written = mpz_out_str (stream, base, mpq_numref (q));
35 
36   if (mpz_cmp_ui (mpq_denref (q), 1) != 0)
37     {
38       putc ('/', stream);
39       written += 1 + mpz_out_str (stream, base, mpq_denref (q));
40     }
41 
42   return ferror (stream) ? 0 : written;
43 }
44