Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

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Class param_type

boost::random::triangle_distribution::param_type

Synopsis

// In header: <boost/random/triangle_distribution.hpp>



class param_type {
public:
  // types
  typedef triangle_distribution distribution_type;

  // construct/copy/destruct
  explicit param_type(RealType = 0.0, RealType = 0.5, RealType = 1.0);

  // public member functions
  RealType a() const;
  RealType b() const;
  RealType c() const;

  // friend functions
  template<typename CharT, typename Traits> 
    friend std::basic_ostream< CharT, Traits > & 
    operator<<(std::basic_ostream< CharT, Traits > &, const param_type &);
  template<typename CharT, typename Traits> 
    friend std::basic_istream< CharT, Traits > & 
    operator>>(std::basic_istream< CharT, Traits > &, const param_type &);
  friend bool operator==(const param_type &, const param_type &);
  friend bool operator!=(const param_type &, const param_type &);
};

Description

param_type public construct/copy/destruct

  1. explicit param_type(RealType a = 0.0, RealType b = 0.5, RealType c = 1.0);

    Constructs the parameters of a triangle_distribution.

param_type public member functions

  1. RealType a() const;

    Returns the minimum value of the distribution.

  2. RealType b() const;

    Returns the mode of the distribution.

  3. RealType c() const;

    Returns the maximum value of the distribution.

param_type friend functions

  1. template<typename CharT, typename Traits> 
      friend std::basic_ostream< CharT, Traits > & 
      operator<<(std::basic_ostream< CharT, Traits > & os, 
                 const param_type & param);

    Writes the parameters to a std::ostream.

  2. template<typename CharT, typename Traits> 
      friend std::basic_istream< CharT, Traits > & 
      operator>>(std::basic_istream< CharT, Traits > & is, 
                 const param_type & param);

    Reads the parameters from a std::istream.

  3. friend bool operator==(const param_type & lhs, const param_type & rhs);

    Returns true if the two sets of parameters are equal.

  4. friend bool operator!=(const param_type & lhs, const param_type & rhs);

    Returns true if the two sets of parameters are different.


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