Annotation of OpenXM_contrib/gmp/mpq/inp_str.c, Revision 1.1.1.1
1.1 ohara 1: /* mpq_inp_str -- read an mpq from a FILE.
2:
3: Copyright 2001 Free Software Foundation, Inc.
4:
5: This file is part of the GNU MP Library.
6:
7: The GNU MP Library is free software; you can redistribute it and/or modify
8: it under the terms of the GNU Lesser General Public License as published by
9: the Free Software Foundation; either version 2.1 of the License, or (at your
10: option) any later version.
11:
12: The GNU MP Library is distributed in the hope that it will be useful, but
13: WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14: or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
15: License for more details.
16:
17: You should have received a copy of the GNU Lesser General Public License
18: along with the GNU MP Library; see the file COPYING.LIB. If not, write to
19: the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
20: MA 02111-1307, USA. */
21:
22: #include <stdio.h>
23: #include <ctype.h>
24: #include "gmp.h"
25: #include "gmp-impl.h"
26:
27:
28: size_t
29: mpq_inp_str (mpq_ptr q, FILE *fp, int base)
30: {
31: size_t nread;
32: int c;
33:
34: if (fp == NULL)
35: fp = stdin;
36:
37: q->_mp_den._mp_size = 1;
38: q->_mp_den._mp_d[0] = 1;
39:
40: nread = mpz_inp_str (mpq_numref(q), fp, base);
41: if (nread == 0)
42: return 0;
43:
44: c = getc (fp);
45: nread++;
46:
47: if (c == '/')
48: {
49: c = getc (fp);
50: nread++;
51:
52: nread = mpz_inp_str_nowhite (mpq_denref(q), fp, base, c, nread);
53: if (nread == 0)
54: {
55: q->_mp_num._mp_size = 0;
56: q->_mp_den._mp_size = 1;
57: q->_mp_den._mp_d[0] = 1;
58: }
59: }
60: else
61: {
62: ungetc (c, fp);
63: nread--;
64: }
65:
66: return nread;
67: }
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>