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annotate DEPENDENCIES/generic/include/boost/spirit/home/support/numeric_traits.hpp @ 133:4acb5d8d80b6 tip

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Don't fail environmental check if README.md exists (but .txt and no-suffix don't)
author Chris Cannam
date Tue, 30 Jul 2019 12:25:44 +0100
parents c530137014c0
children
rev   line source
Chris@16 1 // Copyright (c) 2001-2011 Hartmut Kaiser
Chris@16 2 //
Chris@16 3 // Distributed under the Boost Software License, Version 1.0. (See accompanying
Chris@16 4 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16 5
Chris@16 6 #if !defined(BOOST_SPIRIT_NUMERIC_TRAITS_JAN_07_2011_0722AM)
Chris@16 7 #define BOOST_SPIRIT_NUMERIC_TRAITS_JAN_07_2011_0722AM
Chris@16 8
Chris@16 9 #if defined(_MSC_VER)
Chris@16 10 #pragma once
Chris@16 11 #endif
Chris@16 12
Chris@16 13 #include <boost/config.hpp>
Chris@16 14 #include <boost/mpl/bool.hpp>
Chris@16 15 #include <boost/integer_traits.hpp>
Chris@16 16 #include <boost/utility/enable_if.hpp>
Chris@16 17
Chris@16 18 namespace boost { namespace spirit { namespace traits
Chris@16 19 {
Chris@16 20 ///////////////////////////////////////////////////////////////////////////
Chris@16 21 // Determine if T is a boolean type
Chris@16 22 ///////////////////////////////////////////////////////////////////////////
Chris@16 23 template <typename T>
Chris@16 24 struct is_bool : mpl::false_ {};
Chris@16 25
Chris@16 26 template <typename T>
Chris@16 27 struct is_bool<T const> : is_bool<T> {};
Chris@16 28
Chris@16 29 template <>
Chris@16 30 struct is_bool<bool> : mpl::true_ {};
Chris@16 31
Chris@16 32 ///////////////////////////////////////////////////////////////////////////
Chris@16 33 // Determine if T is a signed integer type
Chris@16 34 ///////////////////////////////////////////////////////////////////////////
Chris@16 35 template <typename T>
Chris@16 36 struct is_int : mpl::false_ {};
Chris@16 37
Chris@16 38 template <typename T>
Chris@16 39 struct is_int<T const> : is_int<T> {};
Chris@16 40
Chris@16 41 template <>
Chris@16 42 struct is_int<short> : mpl::true_ {};
Chris@16 43
Chris@16 44 template <>
Chris@16 45 struct is_int<int> : mpl::true_ {};
Chris@16 46
Chris@16 47 template <>
Chris@16 48 struct is_int<long> : mpl::true_ {};
Chris@16 49
Chris@16 50 #ifdef BOOST_HAS_LONG_LONG
Chris@16 51 template <>
Chris@16 52 struct is_int<boost::long_long_type> : mpl::true_ {};
Chris@16 53 #endif
Chris@16 54
Chris@16 55 ///////////////////////////////////////////////////////////////////////////
Chris@16 56 // Determine if T is an unsigned integer type
Chris@16 57 ///////////////////////////////////////////////////////////////////////////
Chris@16 58 template <typename T>
Chris@16 59 struct is_uint : mpl::false_ {};
Chris@16 60
Chris@16 61 template <typename T>
Chris@16 62 struct is_uint<T const> : is_uint<T> {};
Chris@16 63
Chris@16 64 #if !defined(BOOST_NO_INTRINSIC_WCHAR_T)
Chris@16 65 template <>
Chris@16 66 struct is_uint<unsigned short> : mpl::true_ {};
Chris@16 67 #endif
Chris@16 68
Chris@16 69 template <>
Chris@16 70 struct is_uint<unsigned int> : mpl::true_ {};
Chris@16 71
Chris@16 72 template <>
Chris@16 73 struct is_uint<unsigned long> : mpl::true_ {};
Chris@16 74
Chris@16 75 #ifdef BOOST_HAS_LONG_LONG
Chris@16 76 template <>
Chris@16 77 struct is_uint<boost::ulong_long_type> : mpl::true_ {};
Chris@16 78 #endif
Chris@16 79
Chris@16 80 ///////////////////////////////////////////////////////////////////////////
Chris@16 81 // Determine if T is a floating point type
Chris@16 82 ///////////////////////////////////////////////////////////////////////////
Chris@16 83 template <typename T>
Chris@16 84 struct is_real : mpl::false_ {};
Chris@16 85
Chris@16 86 template <typename T>
Chris@16 87 struct is_real<T const> : is_uint<T> {};
Chris@16 88
Chris@16 89 template <>
Chris@16 90 struct is_real<float> : mpl::true_ {};
Chris@16 91
Chris@16 92 template <>
Chris@16 93 struct is_real<double> : mpl::true_ {};
Chris@16 94
Chris@16 95 template <>
Chris@16 96 struct is_real<long double> : mpl::true_ {};
Chris@16 97
Chris@16 98 ///////////////////////////////////////////////////////////////////////////
Chris@16 99 // customization points for numeric operations
Chris@16 100 ///////////////////////////////////////////////////////////////////////////
Chris@16 101 template <typename T, typename Enable = void>
Chris@16 102 struct absolute_value;
Chris@16 103
Chris@16 104 template <typename T, typename Enable = void>
Chris@16 105 struct is_negative;
Chris@16 106
Chris@16 107 template <typename T, typename Enable = void>
Chris@16 108 struct is_zero;
Chris@16 109
Chris@16 110 template <typename T, typename Enable = void>
Chris@16 111 struct pow10_helper;
Chris@16 112
Chris@16 113 template <typename T, typename Enable = void>
Chris@16 114 struct is_nan;
Chris@16 115
Chris@16 116 template <typename T, typename Enable = void>
Chris@16 117 struct is_infinite;
Chris@101 118
Chris@16 119 template <typename T, typename Enable = void>
Chris@101 120 struct check_overflow : mpl::false_ {};
Chris@101 121
Chris@16 122 template <typename T>
Chris@101 123 struct check_overflow<T, typename enable_if_c<integer_traits<T>::is_integral>::type>
Chris@101 124 : mpl::true_ {};
Chris@16 125 }}}
Chris@16 126
Chris@16 127 #endif