projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | /* Boost examples/io.cpp |
| 2 | * show some exampleso of i/o operators | |
| 3 | * thanks to all the people who commented on this point, particularly on | |
| 4 | * the Boost mailing-list | |
| 5 | * | |
| 6 | * Copyright 2003 Guillaume Melquiond | |
| 7 | * | |
| 8 | * Distributed under the Boost Software License, Version 1.0. | |
| 9 | * (See accompanying file LICENSE_1_0.txt or | |
| 10 | * copy at http://www.boost.org/LICENSE_1_0.txt) | |
| 11 | */ | |
| 12 | ||
| 13 | #include <boost/numeric/interval.hpp> | |
| 14 | #include <boost/io/ios_state.hpp> | |
| 15 | #include <cmath> | |
| 16 | #include <cassert> | |
| 17 | ||
| 18 | namespace io_std { | |
| 19 | ||
| 20 | template<class T, class Policies, class CharType, class CharTraits> | |
| 21 | std::basic_ostream<CharType, CharTraits> &operator<< | |
| 22 | (std::basic_ostream<CharType, CharTraits> &stream, | |
| 23 | const boost::numeric::interval<T, Policies> &value) | |
| 24 | { | |
| 25 | if (empty(value)) { | |
| 26 | return stream << "[]"; | |
| 27 | } else { | |
| 28 | return stream << '[' << lower(value) << ',' << upper(value) << ']'; | |
| 29 | } | |
| 30 | } | |
| 31 | ||
| 32 | } // namespace io_std | |
| 33 | ||
| 34 | namespace io_sngl { | |
| 35 | ||
| 36 | template<class T, class Policies, class CharType, class CharTraits> | |
| 37 | std::basic_ostream<CharType, CharTraits> &operator<< | |
| 38 | (std::basic_ostream<CharType, CharTraits> &stream, | |
| 39 | const boost::numeric::interval<T, Policies> &value) | |
| 40 | { | |
| 41 | if (empty(value)) { | |
| 42 | return stream << "[]"; | |
| 43 | } else if (singleton(value)) { | |
| 44 | return stream << '[' << lower(value) << ']'; | |
| 45 | } else { | |
| 46 | return stream << '[' << lower(value) << ',' << upper(value) << ']'; | |
| 47 | } | |
| 48 | } | |
| 49 | ||
| 50 | } // namespace io_sngl | |
| 51 | ||
| 52 | namespace io_wdth { | |
| 53 | ||
| 54 | template<class T, class Policies, class CharType, class CharTraits> | |
| 55 | std::basic_ostream<CharType, CharTraits> &operator<< | |
| 56 | (std::basic_ostream<CharType, CharTraits> &stream, | |
| 57 | const boost::numeric::interval<T, Policies> &value) | |
| 58 | { | |
| 59 | if (empty(value)) { | |
| 60 | return stream << "nothing"; | |
| 61 | } else { | |
| 62 |