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 | namespace boost |
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16 | { |
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17 | |
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18 | // Compile-time extrema class declarations ---------------------------------// |
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19 | // Get the minimum or maximum of two values, signed or unsigned. |
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20 | |
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21 | template <static_min_max_signed_type Value1, static_min_max_signed_type Value2> |
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22 | struct static_signed_min |
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23 | { |
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24 | BOOST_STATIC_CONSTANT(static_min_max_signed_type, value = (Value1 > Value2) ? Value2 : Value1 ); |
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25 | }; |
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26 | |
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27 | template <static_min_max_signed_type Value1, static_min_max_signed_type Value2> |
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28 | struct static_signed_max |
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29 | { |
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30 | BOOST_STATIC_CONSTANT(static_min_max_signed_type, value = (Value1 < Value2) ? Value2 : Value1 ); |
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31 | }; |
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32 | |
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33 | template <static_min_max_unsigned_type Value1, static_min_max_unsigned_type Value2> |
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34 | struct static_unsigned_min |
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35 | { |
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36 | BOOST_STATIC_CONSTANT(static_min_max_unsigned_type, value |
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37 | = (Value1 > Value2) ? Value2 : Value1 ); |
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38 | }; |
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39 | |
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40 | template <static_min_max_unsigned_type Value1, static_min_max_unsigned_type Value2> |
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41 | struct static_unsigned_max |
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42 | { |
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43 | BOOST_STATIC_CONSTANT(static_min_max_unsigned_type, value |
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44 | = (Value1 < Value2) ? Value2 : Value1 ); |
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45 | }; |
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46 | |
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47 | |
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48 | } // namespace boost |
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49 | |
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50 | |
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51 | #endif // BOOST_INTEGER_STATIC_MIN_MAX_HPP |
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