real128.hpp

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#pragma once
#include <fc/uint128.hpp>   
 
#define FC_REAL128_PRECISION (uint64_t(1000000) * uint64_t(1000000) * uint64_t(1000000))
 
namespace fc {
   class variant;
 
   class real128
   {
      public:
         real128( uint64_t integer = 0);
         explicit real128( const std::string& str );
         operator std::string()const;
 
         friend real128 operator * ( real128 a, const real128& b ) { a *= b; return a; }
         friend real128 operator / ( real128 a, const real128& b ) { a /= b; return a; }
         friend real128 operator + ( real128 a, const real128& b ) { a += b; return a; }
         friend real128 operator - ( real128 a, const real128& b ) { a -= b; return a; }
 
         real128& operator += ( const real128& o );
         real128& operator -= ( const real128& o );
         real128& operator /= ( const real128& o );
         real128& operator *= ( const real128& o );
         
         static real128 from_fixed( const uint128& fixed );
 
         uint64_t to_uint64()const;
 
      private:
         uint128  fixed;
   };
 
   void to_variant( const real128& var,  variant& vo );
   void from_variant( const variant& var,  real128& vo );
 
  namespace raw  
  {
    template<typename Stream>
    inline void pack( Stream& s, const real128& value_to_pack ) { s.write( (char*)&value_to_pack, sizeof(value_to_pack) ); }
    template<typename Stream>
    inline void unpack( Stream& s, real128& value_to_unpack ) { s.read( (char*)&value_to_unpack, sizeof(value_to_unpack) ); }
  }
 
 
 
} // namespace fc