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namespace boost{ namespace multiprecision{ template <unsigned Digits10, class ExponentType = std::int32_t, class Allocator = void> class cpp_dec_float; typedef number<cpp_dec_float<50> > cpp_dec_float_50; typedef number<cpp_dec_float<100> > cpp_dec_float_100; }} // namespaces
        Class template cpp_dec_float
        fulfils all of the requirements for a Backend
        type. Its members and non-member functions are deliberately not documented:
        these are considered implementation details that are subject to change.
      
The class takes three template parameters:
              The number of decimal digits precision the type should support. Note
              that this type does not normally perform any dynamic memory allocation,
              and as a result the Digits10
              template argument should not be set too high or the class's size will
              grow unreasonably large.
            
A signed integer type that represents the exponent of the number
              The allocator used: defaults to type void,
              meaning all storage is within the class, and no dynamic allocation
              is performed, but can be set to a standard library allocator if dynamic
              allocation makes more sense.
            
        The type of number_category<cpp_dec_float<Args...> >::type is std::integral_constant<int,
        number_kind_floating_point>.
      
More information on this type can be found in the tutorial.