__gnu_cxx::subtractive_rng(3cxx) | __gnu_cxx::subtractive_rng(3cxx) |

# NAME¶

__gnu_cxx::subtractive_rng

# SYNOPSIS¶

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.**

Definition at line **347** of file **ext/functional**.

# Member Typedef Documentation¶

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

argument_type** is the type of the argument**

Definition at line **120** of file **stl_function.h**.

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

result_type** is the return type**

Definition at line **123** 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 **389** 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 **393** of file **ext/functional**.

# Member Function Documentation¶

## void __gnu_cxx::subtractive_rng::_M_initialize (unsigned int __seed) [inline]¶

Definition at line **367** of file **ext/functional**.

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

Returns a number less than the argument.

Definition at line **358** of file **ext/functional**.

# Author¶

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Mon Aug 22 2022 | libstdc++ |