traits.hpp

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#ifndef STAN__PROB__TRAITS_HPP
#define STAN__PROB__TRAITS_HPP

#include <stan/meta/traits.hpp>
#include <boost/math/tools/promotion.hpp>

namespace stan {

  namespace prob {

    template <bool propto,
              typename T1=double, typename T2=double, 
              typename T3=double, typename T4=double,
              typename T5=double, typename T6=double,
              typename T7=double, typename T8=double,
              typename T9=double, typename T10=double>
    struct include_summand {

      enum { 
        value =  ( !propto
                   || !stan::is_constant<typename scalar_type<T1>::type>::value
                   || !stan::is_constant<typename scalar_type<T2>::type>::value
                   || !stan::is_constant<typename scalar_type<T3>::type>::value
                   || !stan::is_constant<typename scalar_type<T4>::type>::value
                   || !stan::is_constant<typename scalar_type<T5>::type>::value
                   || !stan::is_constant<typename scalar_type<T6>::type>::value 
                   || !stan::is_constant<typename scalar_type<T7>::type>::value
                   || !stan::is_constant<typename scalar_type<T8>::type>::value 
                   || !stan::is_constant<typename scalar_type<T9>::type>::value
                   || !stan::is_constant<typename scalar_type<T10>::type>::value 
                   )

      };

    };


  }

}

#endif