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1 | // Boost integer/static_min_max.hpp header file ----------------------------// |
2 | ||
3 | // (C) Copyright Daryle Walker 2001. | |
4 | // Distributed under the Boost Software License, Version 1.0. (See | |
5 | // accompanying file LICENSE_1_0.txt or copy at | |
6 | // http://www.boost.org/LICENSE_1_0.txt) | |
7 | ||
8 | // See http://www.boost.org for updates, documentation, and revision history. | |
9 | ||
10 | #ifndef BOOST_INTEGER_STATIC_MIN_MAX_HPP | |
11 | #define BOOST_INTEGER_STATIC_MIN_MAX_HPP | |
12 | ||
13 | #include <boost/integer_fwd.hpp> // self include | |
14 | ||
15 | namespace boost | |
16 | { | |
17 | ||
18 | // Compile-time extrema class declarations ---------------------------------// | |
19 | // Get the minimum or maximum of two values, signed or unsigned. | |
20 | ||
21 | template <static_min_max_signed_type Value1, static_min_max_signed_type Value2> | |
22 | struct static_signed_min | |
23 | { | |
24 | BOOST_STATIC_CONSTANT(static_min_max_signed_type, value = (Value1 > Value2) ? Value2 : Value1 ); | |
25 | }; | |
26 | ||
27 | template <static_min_max_signed_type Value1, static_min_max_signed_type Value2> | |
28 | struct static_signed_max | |
29 | { | |
30 | BOOST_STATIC_CONSTANT(static_min_max_signed_type, value = (Value1 < Value2) ? Value2 : Value1 ); | |
31 | }; | |
32 | ||
33 | template <static_min_max_unsigned_type Value1, static_min_max_unsigned_type Value2> | |
34 | struct static_unsigned_min | |
35 | { | |
36 | BOOST_STATIC_CONSTANT(static_min_max_unsigned_type, value | |
37 | = (Value1 > Value2) ? Value2 : Value1 ); | |
38 | }; | |
39 | ||
40 | template <static_min_max_unsigned_type Value1, static_min_max_unsigned_type Value2> | |
41 | struct static_unsigned_max | |
42 | { | |
43 | BOOST_STATIC_CONSTANT(static_min_max_unsigned_type, value | |
44 | = (Value1 < Value2) ? Value2 : Value1 ); | |
45 | }; | |
46 | ||
47 | ||
48 | } // namespace boost | |
49 | ||
50 | ||
51 | #endif // BOOST_INTEGER_STATIC_MIN_MAX_HPP |