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 either:
10 * the GNU Lesser General Public License as published by the Free
11 Software Foundation; either version 3 of the License, or (at your
12 option) any later version.
16 * the GNU General Public License as published by the Free Software
17 Foundation; either version 2 of the License, or (at your option) any
20 or both in parallel, as here.
22 The GNU MP Library is distributed in the hope that it will be useful, but
23 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
24 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
27 You should have received copies of the GNU General Public License and the
28 GNU Lesser General Public License along with the GNU MP Library. If not,
29 see https://www.gnu.org/licenses/. */
33 #include <stdarg.h> /* for va_list and hence doprnt_funs_t */
42 /* The gmp_asprintf support routines never give an error, so
43 __gmp_doprnt_mpf shouldn't fail and it's return can just be checked with
47 operator<< (ostream &o, mpf_srcptr f)
49 struct doprnt_params_t param;
50 struct gmp_asprintf_t d;
54 __gmp_doprnt_params_from_ios (¶m, o);
58 point[0] = use_facet< numpunct<char> >(o.getloc()).decimal_point();
61 const char *point = GMP_DECIMAL_POINT;
64 GMP_ASPRINTF_T_INIT (d, &result);
65 ret = __gmp_doprnt_mpf (&__gmp_asprintf_funs_noformat, &d, ¶m, point, f);
67 __gmp_asprintf_final (&d);
69 gmp_allocated_string t (result);
70 return o.write (t.str, t.len);