1 /* operator<< -- mpf formatted output to an ostream.
3 Copyright 2001, 2002 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/. */
22 #include <stdarg.h> /* for va_list and hence doprnt_funs_t */
31 /* The gmp_asprintf support routines never give an error, so
32 __gmp_doprnt_mpf shouldn't fail and it's return can just be checked with
36 operator<< (ostream &o, mpf_srcptr f)
38 struct doprnt_params_t param;
39 struct gmp_asprintf_t d;
43 __gmp_doprnt_params_from_ios (¶m, o);
47 point[0] = use_facet< numpunct<char> >(o.getloc()).decimal_point();
50 const char *point = localeconv()->decimal_point;
53 GMP_ASPRINTF_T_INIT (d, &result);
54 ret = __gmp_doprnt_mpf (&__gmp_asprintf_funs_noformat, &d, ¶m, point, f);
56 __gmp_asprintf_final (&d);
58 gmp_allocated_string t (result);
59 return o.write (t.str, t.len);