src/base/features/integers.hpp

#pragma once

// Integer type aliases.
using s128=__int128;
using s32=int;
using s64=long long;
using u128=unsigned __int128;
using u32=unsigned;
using u64=unsigned long long;

// Casts to integer types.
#define S128 static_cast<s128>
#define S32 static_cast<s32>
#define S64 static_cast<s64>
#define U128 static_cast<u128>
#define U32 static_cast<u32>
#define U64 static_cast<u64>

// Prime constant commonly used for modulo operations.
constexpr s32 mod=998'244'353;

// Large 32-bit and 64-bit prime constants respectively.
constexpr s32 inf32=1'000'000'007;
constexpr s64 inf64=1'000'000'000'000'000'003;