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author | 2017-12-05 10:58:48 -0800 | |
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committer | 2017-12-06 10:09:02 -0500 | |
commit | 1b8dacca622ad547b08bccf523529ef09e2d581f (patch) | |
tree | ee426400223f85dbcf4ee3515285eb0d9091100e /absl/numeric/int128.h | |
parent | f4f91f421635276ba1eb4580c117edc38389e54b (diff) |
Changes imported from Abseil "staging" branch:
- 536d004b7e2d48927a5f82e71e9e3a0a9afedbc8 Change uint128 parameters to pass by value. by Alex Strelnikov <strel@google.com>
GitOrigin-RevId: 536d004b7e2d48927a5f82e71e9e3a0a9afedbc8
Change-Id: I9c5e73ce06c8423a27ec7bff2c4accc434e99cb2
Diffstat (limited to 'absl/numeric/int128.h')
-rw-r--r-- | absl/numeric/int128.h | 78 |
1 files changed, 39 insertions, 39 deletions
diff --git a/absl/numeric/int128.h b/absl/numeric/int128.h index aeca3be9..d87cbbd4 100644 --- a/absl/numeric/int128.h +++ b/absl/numeric/int128.h @@ -140,31 +140,31 @@ class alignas(16) uint128 { // Trivial copy constructor, assignment operator and destructor. // Arithmetic operators. - uint128& operator+=(const uint128& other); - uint128& operator-=(const uint128& other); - uint128& operator*=(const uint128& other); + uint128& operator+=(uint128 other); + uint128& operator-=(uint128 other); + uint128& operator*=(uint128 other); // Long division/modulo for uint128. - uint128& operator/=(const uint128& other); - uint128& operator%=(const uint128& other); + uint128& operator/=(uint128 other); + uint128& operator%=(uint128 other); uint128 operator++(int); uint128 operator--(int); uint128& operator<<=(int); uint128& operator>>=(int); - uint128& operator&=(const uint128& other); - uint128& operator|=(const uint128& other); - uint128& operator^=(const uint128& other); + uint128& operator&=(uint128 other); + uint128& operator|=(uint128 other); + uint128& operator^=(uint128 other); uint128& operator++(); uint128& operator--(); // Uint128Low64() // // Returns the lower 64-bit value of a `uint128` value. - friend constexpr uint64_t Uint128Low64(const uint128& v); + friend constexpr uint64_t Uint128Low64(uint128 v); // Uint128High64() // // Returns the higher 64-bit value of a `uint128` value. - friend constexpr uint64_t Uint128High64(const uint128& v); + friend constexpr uint64_t Uint128High64(uint128 v); // MakeUInt128() // @@ -198,9 +198,9 @@ class alignas(16) uint128 { extern const uint128 kuint128max; // allow uint128 to be logged -extern std::ostream& operator<<(std::ostream& o, const uint128& b); +extern std::ostream& operator<<(std::ostream& o, uint128 b); -// TODO(strel) add operator>>(std::istream&, uint128&) +// TODO(strel) add operator>>(std::istream&, uint128) // TODO(absl-team): Implement signed 128-bit type @@ -251,37 +251,37 @@ inline uint128& uint128::operator=(unsigned __int128 v) { // Shift and arithmetic operators. -inline uint128 operator<<(const uint128& lhs, int amount) { +inline uint128 operator<<(uint128 lhs, int amount) { return uint128(lhs) <<= amount; } -inline uint128 operator>>(const uint128& lhs, int amount) { +inline uint128 operator>>(uint128 lhs, int amount) { return uint128(lhs) >>= amount; } -inline uint128 operator+(const uint128& lhs, const uint128& rhs) { +inline uint128 operator+(uint128 lhs, uint128 rhs) { return uint128(lhs) += rhs; } -inline uint128 operator-(const uint128& lhs, const uint128& rhs) { +inline uint128 operator-(uint128 lhs, uint128 rhs) { return uint128(lhs) -= rhs; } -inline uint128 operator*(const uint128& lhs, const uint128& rhs) { +inline uint128 operator*(uint128 lhs, uint128 rhs) { return uint128(lhs) *= rhs; } -inline uint128 operator/(const uint128& lhs, const uint128& rhs) { +inline uint128 operator/(uint128 lhs, uint128 rhs) { return uint128(lhs) /= rhs; } -inline uint128 operator%(const uint128& lhs, const uint128& rhs) { +inline uint128 operator%(uint128 lhs, uint128 rhs) { return uint128(lhs) %= rhs; } -constexpr uint64_t Uint128Low64(const uint128& v) { return v.lo_; } +constexpr uint64_t Uint128Low64(uint128 v) { return v.lo_; } -constexpr uint64_t Uint128High64(const uint128& v) { return v.hi_; } +constexpr uint64_t Uint128High64(uint128 v) { return v.hi_; } // Constructors from integer types. @@ -424,34 +424,34 @@ inline uint128::operator long double() const { // Comparison operators. -inline bool operator==(const uint128& lhs, const uint128& rhs) { +inline bool operator==(uint128 lhs, uint128 rhs) { return (Uint128Low64(lhs) == Uint128Low64(rhs) && Uint128High64(lhs) == Uint128High64(rhs)); } -inline bool operator!=(const uint128& lhs, const uint128& rhs) { +inline bool operator!=(uint128 lhs, uint128 rhs) { return !(lhs == rhs); } -inline bool operator<(const uint128& lhs, const uint128& rhs) { +inline bool operator<(uint128 lhs, uint128 rhs) { return (Uint128High64(lhs) == Uint128High64(rhs)) ? (Uint128Low64(lhs) < Uint128Low64(rhs)) : (Uint128High64(lhs) < Uint128High64(rhs)); } -inline bool operator>(const uint128& lhs, const uint128& rhs) { +inline bool operator>(uint128 lhs, uint128 rhs) { return (Uint128High64(lhs) == Uint128High64(rhs)) ? (Uint128Low64(lhs) > Uint128Low64(rhs)) : (Uint128High64(lhs) > Uint128High64(rhs)); } -inline bool operator<=(const uint128& lhs, const uint128& rhs) { +inline bool operator<=(uint128 lhs, uint128 rhs) { return (Uint128High64(lhs) == Uint128High64(rhs)) ? (Uint128Low64(lhs) <= Uint128Low64(rhs)) : (Uint128High64(lhs) <= Uint128High64(rhs)); } -inline bool operator>=(const uint128& lhs, const uint128& rhs) { +inline bool operator>=(uint128 lhs, uint128 rhs) { return (Uint128High64(lhs) == Uint128High64(rhs)) ? (Uint128Low64(lhs) >= Uint128Low64(rhs)) : (Uint128High64(lhs) >= Uint128High64(rhs)); @@ -459,7 +459,7 @@ inline bool operator>=(const uint128& lhs, const uint128& rhs) { // Unary operators. -inline uint128 operator-(const uint128& val) { +inline uint128 operator-(uint128 val) { const uint64_t hi_flip = ~Uint128High64(val); const uint64_t lo_flip = ~Uint128Low64(val); const uint64_t lo_add = lo_flip + 1; @@ -469,44 +469,44 @@ inline uint128 operator-(const uint128& val) { return MakeUint128(hi_flip, lo_add); } -inline bool operator!(const uint128& val) { +inline bool operator!(uint128 val) { return !Uint128High64(val) && !Uint128Low64(val); } // Logical operators. -inline uint128 operator~(const uint128& val) { +inline uint128 operator~(uint128 val) { return MakeUint128(~Uint128High64(val), ~Uint128Low64(val)); } -inline uint128 operator|(const uint128& lhs, const uint128& rhs) { +inline uint128 operator|(uint128 lhs, uint128 rhs) { return MakeUint128(Uint128High64(lhs) | Uint128High64(rhs), Uint128Low64(lhs) | Uint128Low64(rhs)); } -inline uint128 operator&(const uint128& lhs, const uint128& rhs) { +inline uint128 operator&(uint128 lhs, uint128 rhs) { return MakeUint128(Uint128High64(lhs) & Uint128High64(rhs), Uint128Low64(lhs) & Uint128Low64(rhs)); } -inline uint128 operator^(const uint128& lhs, const uint128& rhs) { +inline uint128 operator^(uint128 lhs, uint128 rhs) { return MakeUint128(Uint128High64(lhs) ^ Uint128High64(rhs), Uint128Low64(lhs) ^ Uint128Low64(rhs)); } -inline uint128& uint128::operator|=(const uint128& other) { +inline uint128& uint128::operator|=(uint128 other) { hi_ |= other.hi_; lo_ |= other.lo_; return *this; } -inline uint128& uint128::operator&=(const uint128& other) { +inline uint128& uint128::operator&=(uint128 other) { hi_ &= other.hi_; lo_ &= other.lo_; return *this; } -inline uint128& uint128::operator^=(const uint128& other) { +inline uint128& uint128::operator^=(uint128 other) { hi_ ^= other.hi_; lo_ ^= other.lo_; return *this; @@ -550,7 +550,7 @@ inline uint128& uint128::operator>>=(int amount) { return *this; } -inline uint128& uint128::operator+=(const uint128& other) { +inline uint128& uint128::operator+=(uint128 other) { hi_ += other.hi_; uint64_t lolo = lo_ + other.lo_; if (lolo < lo_) @@ -559,14 +559,14 @@ inline uint128& uint128::operator+=(const uint128& other) { return *this; } -inline uint128& uint128::operator-=(const uint128& other) { +inline uint128& uint128::operator-=(uint128 other) { hi_ -= other.hi_; if (other.lo_ > lo_) --hi_; lo_ -= other.lo_; return *this; } -inline uint128& uint128::operator*=(const uint128& other) { +inline uint128& uint128::operator*=(uint128 other) { #if defined(ABSL_HAVE_INTRINSIC_INT128) // TODO(strel) Remove once alignment issues are resolved and unsigned __int128 // can be used for uint128 storage. |