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Annotation of OpenXM_contrib/gmp/cxx/osmpf.cc, Revision 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: }