blob: 3afa8368e245b7c147f9ece1c5716667f5a1d047 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
/* operator>> -- C++-style input of mpz_t.
Copyright 2001, 2003 Free Software Foundation, Inc.
This file is part of the GNU MP Library.
The GNU MP 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 3 of the License, or (at your
option) any later version.
The GNU MP 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 GNU MP Library. If not, see http://www.gnu.org/licenses/. */
#include <cctype>
#include <iostream>
#include <string>
#include "gmp.h"
#include "gmp-impl.h"
using namespace std;
// For g++ libstdc++ parsing see num_get<chartype,initer>::_M_extract_int in
// include/bits/locale_facets.tcc.
istream &
operator>> (istream &i, mpz_ptr z)
{
char c = 0;
i.get(c); // start reading
if (i.flags() & ios::skipws) // skip initial whitespace
{
#if HAVE_STD__LOCALE
const ctype<char>& ct = use_facet< ctype<char> >(i.getloc());
#define cxx_isspace(c) (ct.is(ctype_base::space,(c)))
#else
#define cxx_isspace(c) isspace(c)
#endif
while (cxx_isspace(c) && i.get(c))
;
}
return __gmpz_operator_in_nowhite (i, z, c);
}
|
