1 #ifndef BOOST_RANGE_VALUE_HPP
2 #define BOOST_RANGE_VALUE_HPP
3
4 // Copyright (c) 2015 Robert Ramey
5 //
6 // Distributed under the Boost Software License, Version 1.0. (See
7 // accompanying file LICENSE_1_0.txt or copy at
8 // http://www.boost.org/LICENSE_1_0.txt)
9
10 #include <iosfwd>
11
12 // print range and value to a standard stream
13 // make a simple wrapper
14 template<typename T>
15 struct range_value {
16 // type requirement - a numeric type
17 const T & m_t;
18
range_valuerange_value19 constexpr range_value(const T & t)
20 : m_t(t)
21 {}
22
23 };
24
25 template<typename T>
make_range_value(const T & t)26 constexpr range_value<T> make_range_value(const T & t){
27 return range_value<T>(t);
28 }
29
30 #include "interval.hpp"
31
32 template<
33 class CharT,
34 class Traits,
35 class T
36 >
operator <<(std::basic_ostream<CharT,Traits> & os,const range_value<T> & t)37 std::basic_ostream<CharT, Traits> & operator<<(
38 std::basic_ostream<CharT, Traits> & os,
39 const range_value<T> & t
40 ){
41 return os
42 << boost::safe_numerics::make_interval<T>()
43 << t.m_t;
44 }
45
46 template<typename T>
47 struct result_display {
48 const T & m_t;
result_displayresult_display49 result_display(const T & t) :
50 m_t(t)
51 {}
52 };
53
54 template<typename T>
make_result_display(const T & t)55 result_display<T> make_result_display(const T & t){
56 return result_display<T>(t);
57 }
58
59 template<typename CharT, typename Traits, typename T>
60 inline std::basic_ostream<CharT, Traits> &
operator <<(std::basic_ostream<CharT,Traits> & os,const result_display<T> & r)61 operator<<(
62 std::basic_ostream<CharT, Traits> & os,
63 const result_display<T> & r
64 ){
65 return os
66 << std::hex
67 << make_range_value(r.m_t)
68 << "(" << std::dec << r.m_t << ")";
69 }
70
71 #endif // BOOST_RANGE_VALUE_HPP
72