1 /* operator>> -- C++-style input of mpz_t.
3 Copyright 2001, 2003 Free Software Foundation, Inc.
5 This file is part of the GNU MP Library.
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 3 of the License, or (at your
10 option) any later version.
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.
17 You should have received a copy of the GNU Lesser General Public License
18 along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */
29 // For g++ libstdc++ parsing see num_get<chartype,initer>::_M_extract_int in
30 // include/bits/locale_facets.tcc.
33 operator>> (istream &i, mpz_ptr z)
36 i.get(c); // start reading
38 if (i.flags() & ios::skipws) // skip initial whitespace
41 const ctype<char>& ct = use_facet< ctype<char> >(i.getloc());
42 #define cxx_isspace(c) (ct.is(ctype_base::space,(c)))
44 #define cxx_isspace(c) isspace(c)
47 while (cxx_isspace(c) && i.get(c))
51 return __gmpz_operator_in_nowhite (i, z, c);