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来自「xml大全 可读写调用率很高 xml大全 可读写调用率很高」· CC 代码 · 共 58 行

// 1999-11-15 Kevin Ediger  <[e-mail]>
// test the floating point inserters (facet num_put)

// Copyright (C) 1999, 2002, 2003 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING.  If not, write to the Free
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.

#include <iostream>
#include <iomanip>
#include <locale>
#include <sstream>
#include <limits>
#include <testsuite_hooks.h>

using namespace std;

void
test02()
{
  bool test __attribute__((unused)) = true;

  // Make sure we can output a long float in fixed format
  // without seg-faulting (libstdc++/4402)
  double val2 = 3.5e230;

  ostringstream os2;
  os2.precision(3);
  os2.setf(ios::fixed);

  // Check it can be done in a locale with grouping on.
  locale loc2 = __gnu_test::try_named_locale("de_DE");
  os2.imbue(loc2);
  os2 << fixed << setprecision(3) << val2 << endl;
  os2 << endl;
  os2 << fixed << setprecision(1) << val2 << endl;
}

int 
main()
{
  test02();
  return 0;
}