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49 lines
1.2 KiB
C++
49 lines
1.2 KiB
C++
#ifndef BOOST_NUMERIC_CONCEPT_NUMERIC_HPP
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#define BOOST_NUMERIC_CONCEPT_NUMERIC_HPP
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// MS compatible compilers support #pragma once
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#if defined(_MSC_VER) && (_MSC_VER >= 1020)
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# pragma once
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#endif
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// Copyright (c) 2012 Robert Ramey
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#include <limits>
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namespace boost {
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namespace numeric {
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template<class T>
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struct Numeric {
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// if your program traps here, you need to create a
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// std::numeric_limits class for your type T. see
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// see C++ standard 18.3.2.2
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static_assert(
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std::numeric_limits<T>::is_specialized,
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"std::numeric_limits<T> has not been specialized for this type"
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);
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// verify that T is an integer type
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static_assert(
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std::numeric_limits<T>::is_integer,
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"T is not an integer type"
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);
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};
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template <class T>
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class Integer : public Numeric<T> {
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// integer types must have the corresponding numeric trait.
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static_assert(
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std::numeric_limits<T>::is_integer,
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"integer types must have the corresponding numeric trait"
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);
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};
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} // numeric
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} // boost
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#endif // BOOST_NUMERIC_CONCEPT_NUMERIC_HPP
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