public GammaSampler(MklRng src, T alpha, T dx, T beta, int?buferLen = null) : base(src, GammaSpec <T> .Define(alpha, dx, beta), buferLen) { }
public GammaSampler(MklRng src, GammaSpec <T> spec, int?buferLen = null) : base(src, spec, buferLen) { }