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Annotation of OpenXM_contrib/gmp/cxx/osmpf.cc, Revision 1.1.1.1

1.1       ohara       1: /* operator<< -- mpf formatted output to an ostream.
                      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 <iostream>
                     23: #include <stdarg.h>    /* for va_list and hence doprnt_funs_t */
                     24: #include <string.h>
                     25:
                     26: #include "gmp.h"
                     27: #include "gmp-impl.h"
                     28:
                     29: using namespace std;
                     30:
                     31:
                     32: /* The gmp_asprintf support routines never give an error, so
                     33:    __gmp_doprnt_mpf shouldn't fail and it's return can just be checked with
                     34:    an ASSERT.  */
                     35:
                     36: ostream&
                     37: operator<< (ostream &o, mpf_srcptr f)
                     38: {
                     39:   struct doprnt_params_t  param;
                     40:   struct gmp_asprintf_t   d;
                     41:   char  *result;
                     42:   int   ret;
                     43:
                     44:   __gmp_doprnt_params_from_ios (&param, o);
                     45:
                     46:   GMP_ASPRINTF_T_INIT (d, &result);
                     47:   ret = __gmp_doprnt_mpf (&__gmp_asprintf_funs_noformat, &d, &param, f);
                     48:   ASSERT (ret != -1);
                     49:   __gmp_asprintf_final (&d);
                     50:
                     51:   gmp_allocated_string alloc = result;
                     52:   return o.write (result, strlen (result));
                     53: }