Restoring authorship annotation for Anton Samokhvalov <pg83@yandex.ru>. Commit 1 of 2.

1 files changed, 84 insertions, 84 deletions

diff --git a/util/random/fast.h b/util/random/fast.h
index ddc5711641..69b1772dd8 100644
--- a/util/random/fast.h
+++ b/util/random/fast.h
@@ -1,101 +1,101 @@
-#pragma once
-
-#include "lcg_engine.h"
-#include "common_ops.h"
-
+#pragma once 
+ 
+#include "lcg_engine.h" 
+#include "common_ops.h" 
+ 
 #include <util/generic/bitops.h>
-#include <util/system/platform.h>
-
-// based on http://www.pcg-random.org/. See T*FastRng* family below.
-
-struct TPCGMixer {
+#include <util/system/platform.h> 
+ 
+// based on http://www.pcg-random.org/. See T*FastRng* family below. 
+ 
+struct TPCGMixer { 
     static inline ui32 Mix(ui64 x) noexcept {
-        const ui32 xorshifted = ((x >> 18u) ^ x) >> 27u;
-        const ui32 rot = x >> 59u;
-
+        const ui32 xorshifted = ((x >> 18u) ^ x) >> 27u; 
+        const ui32 rot = x >> 59u; 
+ 
         return RotateBitsRight(xorshifted, rot);
-    }
-};
-
-using TFastRng32Base = TLcgRngBase<TLcgIterator<ui64, ULL(6364136223846793005)>, TPCGMixer>;
-using TReallyFastRng32Base = TLcgRngBase<TFastLcgIterator<ui64, ULL(6364136223846793005), ULL(1)>, TPCGMixer>;
-
+    } 
+}; 
+ 
+using TFastRng32Base = TLcgRngBase<TLcgIterator<ui64, ULL(6364136223846793005)>, TPCGMixer>; 
+using TReallyFastRng32Base = TLcgRngBase<TFastLcgIterator<ui64, ULL(6364136223846793005), ULL(1)>, TPCGMixer>; 
+ 
 class IInputStream;
-
-struct TFastRng32: public TCommonRNG<ui32, TFastRng32>, public TFastRng32Base {
-    inline TFastRng32(ui64 seed, ui32 seq)
-        : TFastRng32Base(seed, seq)
-    {
-    }
-
+ 
+struct TFastRng32: public TCommonRNG<ui32, TFastRng32>, public TFastRng32Base { 
+    inline TFastRng32(ui64 seed, ui32 seq) 
+        : TFastRng32Base(seed, seq) 
+    { 
+    } 
+ 
     TFastRng32(IInputStream& entropy);
-};
-
-// faster than TFastRng32, but have only one possible stream sequence
-struct TReallyFastRng32: public TCommonRNG<ui32, TReallyFastRng32>, public TReallyFastRng32Base {
-    inline TReallyFastRng32(ui64 seed)
-        : TReallyFastRng32Base(seed)
-    {
-    }
-
+}; 
+ 
+// faster than TFastRng32, but have only one possible stream sequence 
+struct TReallyFastRng32: public TCommonRNG<ui32, TReallyFastRng32>, public TReallyFastRng32Base { 
+    inline TReallyFastRng32(ui64 seed) 
+        : TReallyFastRng32Base(seed) 
+    { 
+    } 
+ 
     TReallyFastRng32(IInputStream& entropy);
-};
-
-class TFastRng64: public TCommonRNG<ui64, TFastRng64> {
-public:
-    struct TArgs {
+}; 
+ 
+class TFastRng64: public TCommonRNG<ui64, TFastRng64> { 
+public: 
+    struct TArgs { 
         TArgs(ui64 seed) noexcept;
         TArgs(IInputStream& entropy);
-
-        ui64 Seed1;
-        ui64 Seed2;
-        ui32 Seq1;
-        ui32 Seq2;
-    };
-
+ 
+        ui64 Seed1; 
+        ui64 Seed2; 
+        ui32 Seq1; 
+        ui32 Seq2; 
+    }; 
+ 
     TFastRng64(ui64 seed1, ui32 seq1, ui64 seed2, ui32 seq2) noexcept;
-
-    /*
-     * simplify constructions like
-     *     TFastRng64 rng(17);
+ 
+    /* 
+     * simplify constructions like 
+     *     TFastRng64 rng(17); 
      *     TFastRng64 rng(Seek()); //from any IInputStream
-     */
+     */ 
     inline TFastRng64(const TArgs& args) noexcept
-        : TFastRng64(args.Seed1, args.Seq1, args.Seed2, args.Seq2)
-    {
-    }
-
+        : TFastRng64(args.Seed1, args.Seq1, args.Seed2, args.Seq2) 
+    { 
+    } 
+ 
     inline ui64 GenRand() noexcept {
-        const ui64 x = R1_.GenRand();
-        const ui64 y = R2_.GenRand();
-
-        return (x << 32) | y;
-    }
-
+        const ui64 x = R1_.GenRand(); 
+        const ui64 y = R2_.GenRand(); 
+ 
+        return (x << 32) | y; 
+    } 
+ 
     inline void Advance(ui64 delta) noexcept {
         R1_.Advance(delta);
         R2_.Advance(delta);
     }
 
-private:
-    TFastRng32Base R1_;
-    TFastRng32Base R2_;
-};
-
-namespace NPrivate {
-    template <typename T>
-    struct TFastRngTraits;
-
-    template <>
-    struct TFastRngTraits<ui32> {
-        using TResult = TReallyFastRng32;
-    };
-
-    template <>
-    struct TFastRngTraits<ui64> {
-        using TResult = TFastRng64;
-    };
-}
-
-template <typename T>
-using TFastRng = typename ::NPrivate::TFastRngTraits<T>::TResult;
+private: 
+    TFastRng32Base R1_; 
+    TFastRng32Base R2_; 
+}; 
+ 
+namespace NPrivate { 
+    template <typename T> 
+    struct TFastRngTraits; 
+ 
+    template <> 
+    struct TFastRngTraits<ui32> { 
+        using TResult = TReallyFastRng32; 
+    }; 
+ 
+    template <> 
+    struct TFastRngTraits<ui64> { 
+        using TResult = TFastRng64; 
+    }; 
+} 
+ 
+template <typename T> 
+using TFastRng = typename ::NPrivate::TFastRngTraits<T>::TResult;