__gnu_cxx::subtractive_rng(3)

NAME
__gnu_cxx::subtractive_rng

SYNOPSIS

#include <functional>

Inherits std::unary_function< unsigned int, unsigned int >.

  Public Types
typedef unsigned int argument_type
argument_type is the type of the argument
typedef unsigned int result_type
result_type is the return type

  Public Member Functions
subtractive_rng ()
Default ctor; initializes its state with some number you don't see.
subtractive_rng (unsigned int __seed)
Ctor allowing you to initialize the seed.
void _M_initialize (unsigned int __seed)
unsigned int operator() (unsigned int __limit)
Returns a number less than the argument.

Detailed Description

The subtractive_rng class is documented on SGI's site. Note that this code assumes that int is 32 bits.

Member Typedef Documentation

  typedef unsigned int std::unary_function< unsigned int, unsigned int >::argument_type [inherited]

argument_type is the type of the argument

  typedef unsigned int std::unary_function< unsigned int, unsigned int >::result_type [inherited]

result_type is the return type

Constructor & Destructor Documentation

  __gnu_cxx::subtractive_rng::subtractive_rng (unsigned int __seed) [inline]

Ctor allowing you to initialize the seed.

  __gnu_cxx::subtractive_rng::subtractive_rng () [inline]

Default ctor; initializes its state with some number you don't see.

Member Function Documentation

  unsigned int __gnu_cxx::subtractive_rng::operator() (unsigned int __limit) [inline]

Returns a number less than the argument.

Author

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