igorburago

// Copyright 2024 Igor Burago. Released under the ISC License.

#include <math.h> // for rank_partition()
#include <stddef.h> // ptrdiff_t
#include <stdint.h>
#include <string.h> // memcpy(), memmove(), memset()

// Built-in u128 is not strictly required, but it makes the Mcg64 RNG simpler.
typedef unsigned __int128 uint128_t;