int128_native.h

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#ifndef SECP256K1_INT128_NATIVE_H
#define SECP256K1_INT128_NATIVE_H
 
#include <stdint.h>
#include "util.h"
 
#if !defined(UINT128_MAX) && defined(__SIZEOF_INT128__)
SECP256K1_GNUC_EXT typedef unsigned __int128 uint128_t;
SECP256K1_GNUC_EXT typedef __int128 int128_t;
# define UINT128_MAX ((uint128_t)(-1))
# define INT128_MAX ((int128_t)(UINT128_MAX >> 1))
# define INT128_MIN (-INT128_MAX - 1)
/* No (U)INT128_C macros because compilers providing __int128 do not support 128-bit literals.  */
#endif
 
typedef uint128_t secp256k1_uint128;
typedef int128_t secp256k1_int128;
 
#endif