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Added more 128 bit calculations

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SChernykh
2022-11-15 22:20:54 +01:00
parent b3bce1651b
commit 488ed8e562
6 changed files with 317 additions and 51 deletions
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32
src/common.h
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@@ -109,6 +109,8 @@ constexpr uint8_t TX_EXTRA_MERGE_MINING_TAG = 3;
#ifdef _MSC_VER
#define umul128 _umul128
#define udiv128 _udiv128
FORCEINLINE uint64_t shiftleft128(uint64_t lo, uint64_t hi, uint64_t shift) { return __shiftleft128(lo, hi, static_cast<unsigned char>(shift)); }
FORCEINLINE uint64_t shiftright128(uint64_t lo, uint64_t hi, uint64_t shift) { return __shiftright128(lo, hi, static_cast<unsigned char>(shift)); }
#else
FORCEINLINE uint64_t umul128(uint64_t a, uint64_t b, uint64_t* hi)
{
@@ -126,6 +128,9 @@ FORCEINLINE uint64_t udiv128(uint64_t hi, uint64_t lo, uint64_t divisor, uint64_
return result;
}
FORCEINLINE uint64_t shiftleft128(uint64_t lo, uint64_t hi, uint64_t shift) { return (hi << shift) | (lo >> (64 - shift)); }
FORCEINLINE uint64_t shiftright128(uint64_t lo, uint64_t hi, uint64_t shift) { return (hi << (64 - shift)) | (lo >> shift); }
#endif
template<typename T> constexpr FORCEINLINE T round_up(T a, size_t granularity) { return static_cast<T>(((a + (granularity - static_cast<size_t>(1))) / granularity) * granularity); }
@@ -197,6 +202,8 @@ struct difficulty_type
return *this;
}
FORCEINLINE difficulty_type& operator+=(uint64_t b) { return operator+=(difficulty_type{ b, 0 }); }
FORCEINLINE difficulty_type& operator-=(const difficulty_type& b)
{
#ifdef _MSC_VER
@@ -212,6 +219,8 @@ struct difficulty_type
return *this;
}
FORCEINLINE difficulty_type& operator-=(uint64_t b) { return operator-=(difficulty_type{ b, 0 }); }
FORCEINLINE difficulty_type& operator*=(const uint64_t b)
{
uint64_t t;
@@ -232,6 +241,8 @@ struct difficulty_type
return *this;
}
difficulty_type& operator/=(difficulty_type b);
FORCEINLINE bool operator<(const difficulty_type& other) const
{
if (hi < other.hi) return true;
@@ -279,20 +290,37 @@ struct difficulty_type
static_assert(sizeof(difficulty_type) == sizeof(uint64_t) * 2, "struct difficulty_type has invalid size, check your compiler options");
static_assert(std::is_standard_layout<difficulty_type>::value, "struct difficulty_type is not a POD, check your compiler options");
FORCEINLINE difficulty_type operator+(const difficulty_type& a, const difficulty_type& b)
template<typename T>
FORCEINLINE difficulty_type operator+(const difficulty_type& a, const T& b)
{
difficulty_type result = a;
result += b;
return result;
}
FORCEINLINE difficulty_type operator-(const difficulty_type& a, const difficulty_type& b)
template<typename T>
FORCEINLINE difficulty_type operator-(const difficulty_type& a, const T& b)
{
difficulty_type result = a;
result -= b;
return result;
}
FORCEINLINE difficulty_type operator*(const difficulty_type& a, uint64_t b)
{
difficulty_type result = a;
result *= b;
return result;
}
template<typename T>
FORCEINLINE difficulty_type operator/(const difficulty_type& a, const T& b)
{
difficulty_type result = a;
result /= b;
return result;
}
struct TxMempoolData
{
FORCEINLINE TxMempoolData() : id(), blob_size(0), weight(0), fee(0), time_received(0) {}