__gnu_cxx::subtractive_rng

Section: C Library Functions (3)
Updated: Wed Apr 17 2019
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NAME

SYNOPSIS

Inherits std::unary_function< _Arg, _Result >.

Public Types

typedef _Arg argument_type
argument_type is the type of the argument
typedef _Result result_type
result_type is the return type

Public Member Functions

subtractive_rng (unsigned int __seed)
Ctor allowing you to initialize the seed.
subtractive_rng ()
Default ctor; initializes its state with some number you don't see.
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.

Definition at line 352 of file ext/functional.

Member Typedef Documentation

template<typename _Arg, typename _Result> typedef _Arg std::unary_function< _Arg, _Result >::argument_type [inherited]

argument_type is the type of the argument

Definition at line 108 of file stl_function.h.

template<typename _Arg, typename _Result> typedef _Result std::unary_function< _Arg, _Result >::result_type [inherited]

result_type is the return type

Definition at line 111 of file stl_function.h.

Constructor & Destructor Documentation

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

Ctor allowing you to initialize the seed.

Definition at line 394 of file ext/functional.

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

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

Definition at line 398 of file ext/functional.

Member Function Documentation

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

Returns a number less than the argument.

Definition at line 363 of file ext/functional.

Author

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