Struct template promote<ToFrom, ToFrom, std_valarray_tag, std_valarray_tag>

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Struct template promote<ToFrom, ToFrom, std_valarray_tag, std_valarray_tag>

boost::numeric::functional::promote<ToFrom, ToFrom, std_valarray_tag, std_valarray_tag>

Synopsis

// In header: <boost/accumulators/numeric/functional/valarray.hpp>

template<typename ToFrom> 
struct promote<ToFrom, ToFrom, std_valarray_tag, std_valarray_tag> : public std::unary_function< ToFrom, ToFrom > {

  // public member functions
  ToFrom & operator()(ToFrom &) const;
};

Description

`promote` public member functions

ToFrom & operator()(ToFrom & tofrom) const;