text: /**
   * Support for 128-bit integers.
   */
  
  #ifndef WIDEINT_WIDEINT_H_
  #define WIDEINT_WIDEINT_H_
  
  /* all GNU compilers */
  #if defined(__GNUC__)
  
  #pragma GCC diagnostic push
  #pragma GCC diagnostic ignored "-Wpragmas"
  #pragma GCC diagnostic ignored "-Wpedantic"
  #pragma GCC diagnostic ignored "-pedantic"
  typedef unsigned __int128 uint128_t;
  #pragma GCC diagnostic pop
  
  #define UINT128_C(n) ((uint128_t)n)
  #define UINT128_MAX (~UINT128_C(0))
  
  #pragma GCC diagnostic push
  #pragma GCC diagnostic ignored "-Wpragmas"
  #pragma GCC diagnostic ignored "-Wpedantic"
  #pragma GCC diagnostic ignored "-pedantic"
  typedef __int128 int128_t;
  #pragma GCC diagnostic pop
  
  #define INT128_C(n) ((int128_t)n)
  #define INT128_MAX ((int128_t)(UINT128_MAX >> 1))
  #define INT128_MIN (-INT128_MAX - 1)
  
  #else
  #	error "Unsupported compiler"
  #endif /* defined(__GNUC__) */
  
  #endif /* WIDEINT_WIDEINT_H_ */
  