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    Conceptos C++: RandomNumberDistribution

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    C + + conceptos
    Básica
    Original:
    Basic
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    Biblioteca-Wide
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    Library-Wide
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    Container
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    Container
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    Elementos contenedores
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    Container Elements
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    Iterator
    Original:
    Iterator
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    Números aleatorios
    Original:
    Random Numbers
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    Concurrencia
    Original:
    Concurrency
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    (C++11)
    (C++11)
    (C++11)
    (C++11)
    (C++11)
    Otros
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    Other
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    A RandomNumberDistribution es un objeto de función que devuelve números aleatorios según una función de densidad de probabilidad p(x) o un distribución de probabilidad discreta P(x
    i    )     .
    Original:
    A RandomNumberDistribution is a function object returning random numbers according to a función de densidad de probabilidad p(x) or a distribución de probabilidad discreta P(x
    i    )    .
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    Requisitos

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    • D es una clase que cumple los requisitos RandomNumberDistribution. Asimismo, deberán cumplir los requisitos y CopyConstructible CopyAssignable .
      Original:
      D is a class meeting the RandomNumberDistribution requirements. It shall also satisfy the CopyConstructible and CopyAssignable requirements.
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    • T es la result_type asociado .
      Original:
      T is the associated result_type.
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    • P es la param_type asociado. Se deberán cumplir las CopyConstructible, CopyAssignable y requisitos EqualityComparable .
      Original:
      P is the associated param_type. It shall satisfy the CopyConstructible, CopyAssignable, and EqualityComparable requirements.
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    • d es un objeto de D y x, y son objetos potencialmente const de D .
      Original:
      d is an object of D and x,y are potentially const objects of D.
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    • p es un valor constante posiblemente de P .
      Original:
      p is a possibly constant value of P.
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    • g, g1, g2 se lvalues ​​satisfacer el concepto UniformRandomNumberGenerator .
      Original:
      g,g1,g2 are lvalues meeting the UniformRandomNumberGenerator concept.
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    • os es un valor-de std::basic_ostream .
      Original:
      os is an lvalue of std::basic_ostream.
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    • is es un valor-de std::basic_istream .
      Original:
      is is an lvalue of std::basic_istream.
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    Expression Type Notes Complexity
    D::result_type T An arithmetic type compile-time
    D::param_type P compile-time
    D() constant
    D(p) Same as p's construction
    d.reset() void Resets the internal state of the distribution object. After a call to this function, the next call to operator() on the distribution object will not be dependent on previous calls to operator(). constant
    x.param() P No worse than D(p)
    d.param(p) void No worse than D(p)
    d(g) T d(g, d.param()) Same as d(g, d.param())
    d(g,p) T When called with the same g and p parameter it returns a sequence of numbers distributed according to p(x;p) or P(x
    i    ;p)    		 Amortized constant number of incovations of g
    x.min() T The greatest lower bound returned by operator() constant
    x.max() T The least upper bound returned by operator() constant
    x == y bool constant
    y != y bool !(x == y) constant
    os << x Reference to the type of os Writes a textual representation of the distribution parameters and internal state to os as textual representation. The formatting flags and fill character of os are unchanged.
    is >> d Reference to the type of is Restores the distribution parameters and internal state with data read from is. The formatting flags of is are unchanged. The data must have been written using a stream with the same locale, CharT and Traits template parameters, otherwise the behavior is undefined. If bad input is encountered, is.setstate(std::ios::failbit) is called, which may throw std::ios_base::failure. d is unchanged in that case.