include/library/int24.hpp

   1 #ifndef _library__int24__hpp__incuded__
   2 #define _library__int24__hpp__incuded__
   3
   4 #include <cstdint>
   5
   6 class ss_uint24_t
   7 {
   8 public:
   9         ss_uint24_t() throw();
  10         ss_uint24_t(uint32_t v) throw();
  11         operator uint32_t() const throw();
  12         bool operator<(const ss_uint24_t& v) const throw() { return (uint32_t)*this < (uint32_t)v; }
  13         bool operator<=(const ss_uint24_t& v) const throw() { return (uint32_t)*this <= (uint32_t)v; }
  14         bool operator==(const ss_uint24_t& v) const throw() { return (uint32_t)*this == (uint32_t)v; }
  15         bool operator!=(const ss_uint24_t& v) const throw() { return (uint32_t)*this != (uint32_t)v; }
  16         bool operator>=(const ss_uint24_t& v) const throw() { return (uint32_t)*this >= (uint32_t)v; }
  17         bool operator>(const ss_uint24_t& v) const throw() { return (uint32_t)*this > (uint32_t)v; }
  18         bool operator==(uint32_t v) const throw() { return (uint32_t)*this == (uint32_t)v; }
  19         bool operator!=(uint32_t v) const throw() { return (uint32_t)*this != (uint32_t)v; }
  20 private:
  21         char v[3];
  22 };
  23
  24 class ss_int24_t
  25 {
  26 public:
  27         ss_int24_t() throw();
  28         ss_int24_t(int32_t v) throw();
  29         ss_int24_t(const ss_uint24_t& v) throw();
  30         operator int32_t() const throw();
  31         bool operator<(const ss_int24_t& v) const throw() { return (int32_t)*this < (int32_t)v; }
  32         bool operator<=(const ss_int24_t& v) const throw() { return (int32_t)*this <= (int32_t)v; }
  33         bool operator==(const ss_int24_t& v) const throw() { return (int32_t)*this == (int32_t)v; }
  34         bool operator!=(const ss_int24_t& v) const throw() { return (int32_t)*this != (int32_t)v; }
  35         bool operator>=(const ss_int24_t& v) const throw() { return (int32_t)*this >= (int32_t)v; }
  36         bool operator>(const ss_int24_t& v) const throw() { return (int32_t)*this > (int32_t)v; }
  37         bool operator==(int32_t v) const throw() { return (uint32_t)*this == (uint32_t)v; }
  38         bool operator!=(int32_t v) const throw() { return (uint32_t)*this != (uint32_t)v; }
  39 private:
  40         char v[3];
  41 };
  42
  43 template<typename T> struct is_ss_int24 { const static bool flag = false; };
  44 template<> struct is_ss_int24<ss_uint24_t> { const static bool flag = true; };
  45 template<> struct is_ss_int24<ss_int24_t> { const static bool flag = true; };
  46
  47
  48 #endif