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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