__gnu_cxx::subtractive_rng(3) Library Functions Manual __gnu_cxx::subtractive_rng(3)

__gnu_cxx::subtractive_rng

#include <functional>

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


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


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.

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

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

Ctor allowing you to initialize the seed.

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

Returns a number less than the argument.

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