Brian Silverman | d711929 | 2018-08-04 23:36:43 -0700 | [diff] [blame^] | 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 |