[857] | 1 | // Boost integer/static_min_max.hpp header file ----------------------------//
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| 2 |
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| 3 | // (C) Copyright Daryle Walker 2001.
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| 4 | // Distributed under the Boost Software License, Version 1.0. (See
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| 5 | // accompanying file LICENSE_1_0.txt or copy at
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| 6 | // http://www.boost.org/LICENSE_1_0.txt)
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| 7 |
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| 8 | // See http://www.boost.org for updates, documentation, and revision history.
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| 9 |
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| 10 | #ifndef BOOST_INTEGER_STATIC_MIN_MAX_HPP
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| 11 | #define BOOST_INTEGER_STATIC_MIN_MAX_HPP
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| 12 |
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| 13 | #include <boost/integer_fwd.hpp> // self include
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| 14 |
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| 15 | #include <boost/config.hpp> // for BOOST_STATIC_CONSTANT
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| 16 |
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| 17 |
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| 18 | namespace boost
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| 19 | {
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| 20 |
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| 21 |
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| 22 | // Compile-time extrema class declarations ---------------------------------//
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| 23 | // Get the minimum or maximum of two values, signed or unsigned.
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| 24 |
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| 25 | template < long Value1, long Value2 >
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| 26 | struct static_signed_min
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| 27 | {
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| 28 | BOOST_STATIC_CONSTANT( long, value = (Value1 > Value2) ? Value2 : Value1 );
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| 29 | };
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| 30 |
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| 31 | template < long Value1, long Value2 >
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| 32 | struct static_signed_max
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| 33 | {
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| 34 | BOOST_STATIC_CONSTANT( long, value = (Value1 < Value2) ? Value2 : Value1 );
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| 35 | };
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| 36 |
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| 37 | template < unsigned long Value1, unsigned long Value2 >
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| 38 | struct static_unsigned_min
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| 39 | {
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| 40 | BOOST_STATIC_CONSTANT( unsigned long, value
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| 41 | = (Value1 > Value2) ? Value2 : Value1 );
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| 42 | };
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| 43 |
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| 44 | template < unsigned long Value1, unsigned long Value2 >
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| 45 | struct static_unsigned_max
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| 46 | {
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| 47 | BOOST_STATIC_CONSTANT( unsigned long, value
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| 48 | = (Value1 < Value2) ? Value2 : Value1 );
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| 49 | };
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| 50 |
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| 51 |
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| 52 | } // namespace boost
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| 53 |
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| 54 |
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| 55 | #endif // BOOST_INTEGER_STATIC_MIN_MAX_HPP
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