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boost::random::uniform_real_distribution
// In header: <boost/random/uniform_real_distribution.hpp> template<typename RealType> class uniform_real_distribution { public: // types typedef ; typedef ; // member classes/structs/unions class param_type { public: // types typedef uniform_real_distribution ; // construct/copy/destruct ( = , = ); // public member functions () ; () ; // friend functions template<typename CharT, typename Traits> (, param_type &); template<typename CharT, typename Traits> (, param_type &); (param_type &, param_type &); (param_type &, param_type &); }; // construct/copy/destruct ( = , = ); (param_type &); // public member functions () ; () ; () ; () ; param_type () ; (param_type &); (); template<typename Engine> () ; template<typename Engine> (, param_type &) ; // friend functions template<typename CharT, typename Traits> (, uniform_real_distribution &); template<typename CharT, typename Traits> (, uniform_real_distribution &); (uniform_real_distribution &, uniform_real_distribution &); (uniform_real_distribution &, uniform_real_distribution &); };
The class template uniform_real_distribution models a random distribution . On each invocation, it returns a random floating-point value uniformly distributed in the range [min..max).
uniform_real_distribution
public
construct/copy/destruct( min = , max = );
Constructs a uniform_real_distribution
. min
and max
are the parameters of the distribution.
Requires: min <= max
(param_type & param);
Constructs a uniform_real_distribution
from its parameters.
uniform_real_distribution
public member functions() ;
Returns the minimum value of the distribution
() ;
Returns the maximum value of the distribution
() ;
Returns the minimum value of the distribution
() ;
Returns the maximum value of the distribution
param_type () ;
Returns the parameters of the distribution.
(param_type & param);
Sets the parameters of the distribution.
();
Effects: Subsequent uses of the distribution do not depend on values produced by any engine prior to invoking reset.
template<typename Engine> ( eng) ;
Returns a value uniformly distributed in the range [min, max).
template<typename Engine> ( eng, param_type & param) ;
Returns a value uniformly distributed in the range [param.a(), param.b()).
uniform_real_distribution
friend functionstemplate<typename CharT, typename Traits> ( os, uniform_real_distribution & ud);
Writes the distribution to a std::ostream
.
template<typename CharT, typename Traits> ( is, uniform_real_distribution & ud);
Reads the distribution from a std::istream
.
(uniform_real_distribution & lhs, uniform_real_distribution & rhs);
Returns true if the two distributions will produce identical sequences of values given equal generators.
(uniform_real_distribution & lhs, uniform_real_distribution & rhs);
Returns true if the two distributions may produce different sequences of values given equal generators.