util/random/mersenne.h


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#pragma once
 
#include "mersenne64.h" 
#include "mersenne32.h" 
#include "common_ops.h" 
 
namespace NPrivate { 
    template <class T> 
    struct TMersenneTraits; 
 
    template <> 
    struct TMersenneTraits<ui64> { 
        using TImpl = TMersenne64;
    }; 
 
    template <> 
    struct TMersenneTraits<ui32> { 
        using TImpl = TMersenne32;
    }; 
} 
 
class IInputStream;
 
template <class T> 
class TMersenne: public TCommonRNG<T, TMersenne<T>>, public ::NPrivate::TMersenneTraits<T>::TImpl {
public: 
    using TBase = typename ::NPrivate::TMersenneTraits<T>::TImpl;
 
    inline TMersenne() noexcept {
    } 
 
    inline TMersenne(T seed) noexcept
        : TBase(seed) 
    { 
    } 
 
    inline TMersenne(IInputStream& pool)
        : TBase(pool) 
    { 
    } 
 
    inline TMersenne(const T* keys, size_t len) noexcept
        : TBase(keys, len) 
    { 
    } 
};