aboutsummaryrefslogtreecommitdiffstats
path: root/util/random
diff options
context:
space:
mode:
authorVlad Yaroslavlev <vladon@vladon.com>2022-02-10 16:46:23 +0300
committerDaniil Cherednik <dcherednik@yandex-team.ru>2022-02-10 16:46:23 +0300
commit706b83ed7de5a473436620367af31fc0ceecde07 (patch)
tree103305d30dec77e8f6367753367f59b3cd68f9f1 /util/random
parent918e8a1574070d0ec733f0b76cfad8f8892ad2e5 (diff)
downloadydb-706b83ed7de5a473436620367af31fc0ceecde07.tar.gz
Restoring authorship annotation for Vlad Yaroslavlev <vladon@vladon.com>. Commit 1 of 2.
Diffstat (limited to 'util/random')
-rw-r--r--util/random/common_ops.h20
-rw-r--r--util/random/common_ops_ut.cpp2
-rw-r--r--util/random/easy.h2
-rw-r--r--util/random/fast.cpp6
-rw-r--r--util/random/fast.h12
-rw-r--r--util/random/lcg_engine.cpp6
-rw-r--r--util/random/lcg_engine.h18
-rw-r--r--util/random/mersenne.h6
-rw-r--r--util/random/mersenne32.cpp6
-rw-r--r--util/random/mersenne32.h12
-rw-r--r--util/random/mersenne64.cpp6
-rw-r--r--util/random/mersenne64.h10
-rw-r--r--util/random/normal_ut.cpp2
-rw-r--r--util/random/shuffle_ut.cpp4
14 files changed, 56 insertions, 56 deletions
diff --git a/util/random/common_ops.h b/util/random/common_ops.h
index 602eede351..a88a5aa150 100644
--- a/util/random/common_ops.h
+++ b/util/random/common_ops.h
@@ -33,7 +33,7 @@ namespace NPrivate {
}
template <class T>
- static inline ui64 ToRand64(T&& rng, ui32 x) noexcept {
+ static inline ui64 ToRand64(T&& rng, ui32 x) noexcept {
return ((ui64)x) | (((ui64)rng.GenRand()) << 32);
}
@@ -65,7 +65,7 @@ struct TCommonRNG {
using TResult = TRandType;
using result_type = TRandType;
- inline T& Engine() noexcept {
+ inline T& Engine() noexcept {
return static_cast<T&>(*this);
}
@@ -81,42 +81,42 @@ struct TCommonRNG {
}
/* generates uniformly distributed random number on [0, t) interval */
- inline TResult Uniform(TResult t) noexcept {
+ inline TResult Uniform(TResult t) noexcept {
return ::NPrivate::GenUniform(t, Engine());
}
/* generates uniformly distributed random number on [f, t) interval */
- inline TResult Uniform(TResult f, TResult t) noexcept {
+ inline TResult Uniform(TResult f, TResult t) noexcept {
return f + Uniform(t - f);
}
/* generates 64-bit random number for current(may be 32 bit) rng */
- inline ui64 GenRand64() noexcept {
+ inline ui64 GenRand64() noexcept {
return ::NPrivate::ToRand64(Engine(), Engine().GenRand());
}
/* generates a random number on [0, 1]-real-interval */
- inline double GenRandReal1() noexcept {
+ inline double GenRandReal1() noexcept {
return ::NPrivate::ToRandReal1(Engine().GenRand());
}
/* generates a random number on [0, 1)-real-interval */
- inline double GenRandReal2() noexcept {
+ inline double GenRandReal2() noexcept {
return ::NPrivate::ToRandReal2(Engine().GenRand());
}
/* generates a random number on (0, 1)-real-interval */
- inline double GenRandReal3() noexcept {
+ inline double GenRandReal3() noexcept {
return ::NPrivate::ToRandReal3(Engine().GenRand());
}
/* generates a random number on [0, 1) with 53-bit resolution */
- inline double GenRandReal4() noexcept {
+ inline double GenRandReal4() noexcept {
return ::NPrivate::ToRandReal4(Engine().GenRand64());
}
//compatibility stuff
- inline TResult operator()() noexcept {
+ inline TResult operator()() noexcept {
return Engine().GenRand();
}
diff --git a/util/random/common_ops_ut.cpp b/util/random/common_ops_ut.cpp
index 905912bd1e..f88a58d847 100644
--- a/util/random/common_ops_ut.cpp
+++ b/util/random/common_ops_ut.cpp
@@ -10,7 +10,7 @@
Y_UNIT_TEST_SUITE(TestCommonRNG) {
template <class T>
struct TRng: public TCommonRNG<T, TRng<T>> {
- inline T GenRand() noexcept {
+ inline T GenRand() noexcept {
return IntHash(C_++);
}
diff --git a/util/random/easy.h b/util/random/easy.h
index fd5b826fbe..275d160710 100644
--- a/util/random/easy.h
+++ b/util/random/easy.h
@@ -42,6 +42,6 @@ namespace NPrivate {
};
}
-static inline ::NPrivate::TRandom Random() noexcept {
+static inline ::NPrivate::TRandom Random() noexcept {
return {};
}
diff --git a/util/random/fast.cpp b/util/random/fast.cpp
index 2f98dfc5d3..43cc1f53b6 100644
--- a/util/random/fast.cpp
+++ b/util/random/fast.cpp
@@ -2,7 +2,7 @@
#include <util/stream/input.h>
-static inline ui32 FixSeq(ui32 seq1, ui32 seq2) noexcept {
+static inline ui32 FixSeq(ui32 seq1, ui32 seq2) noexcept {
const ui32 mask = (~(ui32)(0)) >> 1;
if ((seq1 & mask) == (seq2 & mask)) {
@@ -12,13 +12,13 @@ static inline ui32 FixSeq(ui32 seq1, ui32 seq2) noexcept {
return seq2;
}
-TFastRng64::TFastRng64(ui64 seed1, ui32 seq1, ui64 seed2, ui32 seq2) noexcept
+TFastRng64::TFastRng64(ui64 seed1, ui32 seq1, ui64 seed2, ui32 seq2) noexcept
: R1_(seed1, seq1)
, R2_(seed2, FixSeq(seq1, seq2))
{
}
-TFastRng64::TArgs::TArgs(ui64 seed) noexcept {
+TFastRng64::TArgs::TArgs(ui64 seed) noexcept {
TReallyFastRng32 rng(seed);
Seed1 = rng.GenRand64();
diff --git a/util/random/fast.h b/util/random/fast.h
index ddc5711641..8aad8a489d 100644
--- a/util/random/fast.h
+++ b/util/random/fast.h
@@ -9,7 +9,7 @@
// based on http://www.pcg-random.org/. See T*FastRng* family below.
struct TPCGMixer {
- static inline ui32 Mix(ui64 x) noexcept {
+ static inline ui32 Mix(ui64 x) noexcept {
const ui32 xorshifted = ((x >> 18u) ^ x) >> 27u;
const ui32 rot = x >> 59u;
@@ -44,7 +44,7 @@ struct TReallyFastRng32: public TCommonRNG<ui32, TReallyFastRng32>, public TReal
class TFastRng64: public TCommonRNG<ui64, TFastRng64> {
public:
struct TArgs {
- TArgs(ui64 seed) noexcept;
+ TArgs(ui64 seed) noexcept;
TArgs(IInputStream& entropy);
ui64 Seed1;
@@ -53,26 +53,26 @@ public:
ui32 Seq2;
};
- TFastRng64(ui64 seed1, ui32 seq1, ui64 seed2, ui32 seq2) noexcept;
+ TFastRng64(ui64 seed1, ui32 seq1, ui64 seed2, ui32 seq2) noexcept;
/*
* simplify constructions like
* TFastRng64 rng(17);
* TFastRng64 rng(Seek()); //from any IInputStream
*/
- inline TFastRng64(const TArgs& args) noexcept
+ inline TFastRng64(const TArgs& args) noexcept
: TFastRng64(args.Seed1, args.Seq1, args.Seed2, args.Seq2)
{
}
- inline ui64 GenRand() noexcept {
+ inline ui64 GenRand() noexcept {
const ui64 x = R1_.GenRand();
const ui64 y = R2_.GenRand();
return (x << 32) | y;
}
- inline void Advance(ui64 delta) noexcept {
+ inline void Advance(ui64 delta) noexcept {
R1_.Advance(delta);
R2_.Advance(delta);
}
diff --git a/util/random/lcg_engine.cpp b/util/random/lcg_engine.cpp
index e1469104fa..01075e388a 100644
--- a/util/random/lcg_engine.cpp
+++ b/util/random/lcg_engine.cpp
@@ -2,7 +2,7 @@
namespace NPrivate {
template <typename T>
- T LcgAdvance(T seed, T lcgBase, T lcgAddend, T delta) noexcept {
+ T LcgAdvance(T seed, T lcgBase, T lcgAddend, T delta) noexcept {
// seed[n+1] = A * seed[n] + B, A = lcgBase, B = lcgAddend
// seed[n] = A**n * seed[0] + (A**n - 1) / (A - 1) * B
// (initial value of n) = m * 2**k + (lower bits of n)
@@ -25,6 +25,6 @@ namespace NPrivate {
return seed * apow + lcgAddend * adiv;
}
- template ui32 LcgAdvance<ui32>(ui32, ui32, ui32, ui32) noexcept;
- template ui64 LcgAdvance<ui64>(ui64, ui64, ui64, ui64) noexcept;
+ template ui32 LcgAdvance<ui32>(ui32, ui32, ui32, ui32) noexcept;
+ template ui64 LcgAdvance<ui64>(ui64, ui64, ui64, ui64) noexcept;
}
diff --git a/util/random/lcg_engine.h b/util/random/lcg_engine.h
index 08cc93c845..a73d7aa7fc 100644
--- a/util/random/lcg_engine.h
+++ b/util/random/lcg_engine.h
@@ -8,7 +8,7 @@
namespace NPrivate {
template <typename T>
- T LcgAdvance(T seed, T lcgBase, T lcgAddend, T delta) noexcept;
+ T LcgAdvance(T seed, T lcgBase, T lcgAddend, T delta) noexcept;
};
template <typename T, T A, T C>
@@ -19,23 +19,23 @@ struct TFastLcgIterator {
return x * A + C;
}
- static inline T IterateMultiple(T x, T delta) noexcept {
+ static inline T IterateMultiple(T x, T delta) noexcept {
return ::NPrivate::LcgAdvance(x, A, C, delta);
}
};
template <typename T, T A>
struct TLcgIterator {
- inline TLcgIterator(T seq) noexcept
+ inline TLcgIterator(T seq) noexcept
: C((seq << 1u) | (T)1) // C must be odd
{
}
- inline T Iterate(T x) noexcept {
+ inline T Iterate(T x) noexcept {
return x * A + C;
}
- inline T IterateMultiple(T x, T delta) noexcept {
+ inline T IterateMultiple(T x, T delta) noexcept {
return ::NPrivate::LcgAdvance(x, A, C, delta);
}
@@ -44,8 +44,8 @@ struct TLcgIterator {
template <class TIterator, class TMixer>
struct TLcgRngBase: public TIterator, public TMixer {
- using TStateType = decltype(std::declval<TIterator>().Iterate(0));
- using TResultType = decltype(std::declval<TMixer>().Mix(TStateType()));
+ using TStateType = decltype(std::declval<TIterator>().Iterate(0));
+ using TResultType = decltype(std::declval<TMixer>().Mix(TStateType()));
template <typename... Args>
inline TLcgRngBase(TStateType seed, Args&&... args)
@@ -54,11 +54,11 @@ struct TLcgRngBase: public TIterator, public TMixer {
{
}
- inline TResultType GenRand() noexcept {
+ inline TResultType GenRand() noexcept {
return this->Mix(X = this->Iterate(X));
}
- inline void Advance(TStateType delta) noexcept {
+ inline void Advance(TStateType delta) noexcept {
X = this->IterateMultiple(X, delta);
}
diff --git a/util/random/mersenne.h b/util/random/mersenne.h
index b2044604ac..9e94c6e2f9 100644
--- a/util/random/mersenne.h
+++ b/util/random/mersenne.h
@@ -26,10 +26,10 @@ class TMersenne: public TCommonRNG<T, TMersenne<T>>, public ::NPrivate::TMersenn
public:
using TBase = typename ::NPrivate::TMersenneTraits<T>::TImpl;
- inline TMersenne() noexcept {
+ inline TMersenne() noexcept {
}
- inline TMersenne(T seed) noexcept
+ inline TMersenne(T seed) noexcept
: TBase(seed)
{
}
@@ -39,7 +39,7 @@ public:
{
}
- inline TMersenne(const T* keys, size_t len) noexcept
+ inline TMersenne(const T* keys, size_t len) noexcept
: TBase(keys, len)
{
}
diff --git a/util/random/mersenne32.cpp b/util/random/mersenne32.cpp
index cb8aad8b03..cc708702cc 100644
--- a/util/random/mersenne32.cpp
+++ b/util/random/mersenne32.cpp
@@ -10,7 +10,7 @@ using namespace NPrivate;
#define UPPER_MASK 0x80000000UL
#define LOWER_MASK 0x7fffffffUL
-void TMersenne32::InitGenRand(ui32 s) noexcept {
+void TMersenne32::InitGenRand(ui32 s) noexcept {
mt[0] = s;
for (mti = 1; mti < N; ++mti) {
@@ -18,7 +18,7 @@ void TMersenne32::InitGenRand(ui32 s) noexcept {
}
}
-void TMersenne32::InitByArray(const ui32 init_key[], size_t key_length) noexcept {
+void TMersenne32::InitByArray(const ui32 init_key[], size_t key_length) noexcept {
InitGenRand(19650218UL);
ui32 i = 1;
@@ -55,7 +55,7 @@ void TMersenne32::InitByArray(const ui32 init_key[], size_t key_length) noexcept
mt[0] = 0x80000000UL;
}
-void TMersenne32::InitNext() noexcept {
+void TMersenne32::InitNext() noexcept {
int kk;
ui32 y;
ui32 mag01[2] = {
diff --git a/util/random/mersenne32.h b/util/random/mersenne32.h
index 861f3a3d38..5192f4b9d6 100644
--- a/util/random/mersenne32.h
+++ b/util/random/mersenne32.h
@@ -9,13 +9,13 @@ namespace NPrivate {
static constexpr int N = 624;
public:
- inline TMersenne32(ui32 s = 19650218UL) noexcept
+ inline TMersenne32(ui32 s = 19650218UL) noexcept
: mti(N + 1)
{
InitGenRand(s);
}
- inline TMersenne32(const ui32* init_key, size_t key_length) noexcept
+ inline TMersenne32(const ui32* init_key, size_t key_length) noexcept
: mti(N + 1)
{
InitByArray(init_key, key_length);
@@ -23,7 +23,7 @@ namespace NPrivate {
TMersenne32(IInputStream& input);
- inline ui32 GenRand() noexcept {
+ inline ui32 GenRand() noexcept {
if (mti >= N) {
InitNext();
}
@@ -39,9 +39,9 @@ namespace NPrivate {
}
private:
- void InitNext() noexcept;
- void InitGenRand(ui32 s) noexcept;
- void InitByArray(const ui32* init_key, size_t key_length) noexcept;
+ void InitNext() noexcept;
+ void InitGenRand(ui32 s) noexcept;
+ void InitByArray(const ui32* init_key, size_t key_length) noexcept;
private:
ui32 mt[N];
diff --git a/util/random/mersenne64.cpp b/util/random/mersenne64.cpp
index 4ede2c6dca..c74d726020 100644
--- a/util/random/mersenne64.cpp
+++ b/util/random/mersenne64.cpp
@@ -10,7 +10,7 @@
using namespace NPrivate;
-void TMersenne64::InitGenRand(ui64 seed) noexcept {
+void TMersenne64::InitGenRand(ui64 seed) noexcept {
mt[0] = seed;
for (mti = 1; mti < NN; ++mti) {
@@ -18,7 +18,7 @@ void TMersenne64::InitGenRand(ui64 seed) noexcept {
}
}
-void TMersenne64::InitByArray(const ui64* init_key, size_t key_length) noexcept {
+void TMersenne64::InitByArray(const ui64* init_key, size_t key_length) noexcept {
ui64 i = 1;
ui64 j = 0;
ui64 k;
@@ -57,7 +57,7 @@ void TMersenne64::InitByArray(const ui64* init_key, size_t key_length) noexcept
mt[0] = ULL(1) << 63;
}
-void TMersenne64::InitNext() noexcept {
+void TMersenne64::InitNext() noexcept {
int i;
ui64 x;
ui64 mag01[2] = {
diff --git a/util/random/mersenne64.h b/util/random/mersenne64.h
index 12ca43b6af..b4b03895d2 100644
--- a/util/random/mersenne64.h
+++ b/util/random/mersenne64.h
@@ -15,7 +15,7 @@ namespace NPrivate {
InitGenRand(s);
}
- inline TMersenne64(const ui64* keys, size_t len) noexcept
+ inline TMersenne64(const ui64* keys, size_t len) noexcept
: mti(NN + 1)
{
InitByArray(keys, len);
@@ -23,7 +23,7 @@ namespace NPrivate {
TMersenne64(IInputStream& input);
- inline ui64 GenRand() noexcept {
+ inline ui64 GenRand() noexcept {
if (mti >= NN) {
InitNext();
}
@@ -39,9 +39,9 @@ namespace NPrivate {
}
private:
- void InitNext() noexcept;
- void InitGenRand(ui64 seed) noexcept;
- void InitByArray(const ui64* init_key, size_t key_length) noexcept;
+ void InitNext() noexcept;
+ void InitGenRand(ui64 seed) noexcept;
+ void InitByArray(const ui64* init_key, size_t key_length) noexcept;
private:
ui64 mt[NN];
diff --git a/util/random/normal_ut.cpp b/util/random/normal_ut.cpp
index 42b6cc4ba2..77e8050d24 100644
--- a/util/random/normal_ut.cpp
+++ b/util/random/normal_ut.cpp
@@ -16,7 +16,7 @@ Y_UNIT_TEST_SUITE(TestNormalDistribution) {
template <class T>
static void TestMD(std::function<T()> f, T m, T d) {
- TVector<T> v;
+ TVector<T> v;
v.reserve(20000);
diff --git a/util/random/shuffle_ut.cpp b/util/random/shuffle_ut.cpp
index 87cbae94c0..45f9baa262 100644
--- a/util/random/shuffle_ut.cpp
+++ b/util/random/shuffle_ut.cpp
@@ -9,7 +9,7 @@
Y_UNIT_TEST_SUITE(TRandUtilsTest) {
template <typename... A>
static void TestRange(A&&... args) {
- TString s0, s1;
+ TString s0, s1;
ShuffleRange(s1, args...);
s1 = "0";
ShuffleRange(s1, args...);
@@ -23,7 +23,7 @@ Y_UNIT_TEST_SUITE(TRandUtilsTest) {
template <typename... A>
static void TestIter(A&&... args) {
- TString s0, s1;
+ TString s0, s1;
auto f = [&]() {
auto b = s1.begin();