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3rdparty/boost_1_81_0/boost/phoenix/stl/cmath.hpp 3.68 KB
0b6a182c   Hu Chunming   添加无鉴权注册和注销
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  /*==============================================================================
      Copyright (c) 2011 Steven Watanabe
  
      Distributed under the Boost Software License, Version 1.0. (See accompanying
      file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  ==============================================================================*/
  
  #ifndef BOOST_PHOENIX_CMATH_HPP_INCLUDED
  #define BOOST_PHOENIX_CMATH_HPP_INCLUDED
  
  #include <boost/phoenix/core/limits.hpp>
  #include <cmath>
  #include <boost/phoenix/function/adapt_callable.hpp>
  #include <boost/type_traits/declval.hpp>
  #include <boost/phoenix/support/iterate.hpp>
  
  namespace boost {
  
  #if (defined (BOOST_NO_CXX11_DECLTYPE) || \
       defined (BOOST_INTEL_CXX_VERSION) || \
               (BOOST_GCC_VERSION < 40500) )
  #define BOOST_PHOENIX_MATH_FUNCTION_RESULT_TYPE(name, n)                \
      typename proto::detail::uncvref<A0>::type
  #else
  #define BOOST_PHOENIX_MATH_FUNCTION_RESULT_TYPE(name, n)                \
      decltype(name(BOOST_PP_ENUM_BINARY_PARAMS(                          \
                        n                                                 \
                      , boost::declval<typename proto::detail::uncvref<A  \
                      ,  >::type>() BOOST_PP_INTERCEPT)))
  #endif
  #define BOOST_PHOENIX_MATH_FUNCTION(name, n)                            \
      namespace phoenix_impl {                                            \
      struct name ## _impl {                                              \
          template<class Sig>                                             \
          struct result;                                                  \
          template<class This, BOOST_PHOENIX_typename_A(n)>               \
          struct result<This(BOOST_PHOENIX_A(n))>                         \
          {                                                               \
              typedef                                                     \
                  BOOST_PHOENIX_MATH_FUNCTION_RESULT_TYPE(name, n)        \
                  type;                                                   \
          };                                                              \
          template<BOOST_PHOENIX_typename_A(n)>                           \
          typename result<name ## _impl(BOOST_PHOENIX_A(n))>::type        \
          operator()(BOOST_PHOENIX_A_const_ref_a(n)) const {              \
              using namespace std;                                        \
              return name(BOOST_PHOENIX_a(n));                            \
          }                                                               \
      };                                                                  \
      }                                                                   \
      namespace phoenix {                                                 \
      BOOST_PHOENIX_ADAPT_CALLABLE(name, phoenix_impl::name ## _impl, n)  \
      }
  
  BOOST_PHOENIX_MATH_FUNCTION(acos, 1)
  BOOST_PHOENIX_MATH_FUNCTION(asin, 1)
  BOOST_PHOENIX_MATH_FUNCTION(atan, 1)
  BOOST_PHOENIX_MATH_FUNCTION(atan2, 2)
  BOOST_PHOENIX_MATH_FUNCTION(ceil, 1)
  BOOST_PHOENIX_MATH_FUNCTION(cos, 1)
  BOOST_PHOENIX_MATH_FUNCTION(cosh, 1)
  BOOST_PHOENIX_MATH_FUNCTION(exp, 1)
  BOOST_PHOENIX_MATH_FUNCTION(fabs, 1)
  BOOST_PHOENIX_MATH_FUNCTION(floor, 1)
  BOOST_PHOENIX_MATH_FUNCTION(fmod, 2)
  BOOST_PHOENIX_MATH_FUNCTION(frexp, 2)
  BOOST_PHOENIX_MATH_FUNCTION(ldexp, 2)
  BOOST_PHOENIX_MATH_FUNCTION(log, 1)
  BOOST_PHOENIX_MATH_FUNCTION(log10, 1)
  BOOST_PHOENIX_MATH_FUNCTION(modf, 2)
  BOOST_PHOENIX_MATH_FUNCTION(pow, 2)
  BOOST_PHOENIX_MATH_FUNCTION(sin, 1)
  BOOST_PHOENIX_MATH_FUNCTION(sinh, 1)
  BOOST_PHOENIX_MATH_FUNCTION(sqrt, 1)
  BOOST_PHOENIX_MATH_FUNCTION(tan, 1)
  BOOST_PHOENIX_MATH_FUNCTION(tanh, 1)
  
  #undef BOOST_PHOENIX_MATH_FUNCTION
  
  }
  
  #endif