discrete-uniform.h

来自「数值计算工具库,C语言编写的,可以直接调用.」· C头文件 代码 · 共 33 行

#ifndef BZ_RANDOM_DISCRETE_UNIFORM_H
#define BZ_RANDOM_DISCRETE_UNIFORM_H

#include <random/default.h>

BZ_NAMESPACE(ranlib)

template<typename T = unsigned int, typename IRNG = defaultIRNG,
    typename stateTag = defaultState>
class DiscreteUniform : public IRNGWrapper<IRNG,stateTag>
{
public:
    typedef T T_numtype;

    DiscreteUniform(T n)
    {
        BZPRECONDITION(n < 4294967295U);
        n_ = n;
    }

    T random()
    {
        return irng_.random() % n_;
    }

private:
    T n_;
};

BZ_NAMESPACE_END

#endif // BZ_RANDOM_DISCRETE_UNIFORM_H