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stxxl::random_number8_r Class Reference
Common Utilities and Support Classes

Detailed Description

Fast uniform [0, 255] pseudo-random generator with period 2^8, random bits: 8 (one byte).

Examples:
examples/applications/skew3.cpp.

Definition at line 97 of file rand.h.

+ Collaboration diagram for stxxl::random_number8_r:

Public Types

typedef uint8 value_type
 

Public Member Functions

 random_number8_r (unsigned seed=0)
 
value_type operator() ()
 Returns a random byte from [0, 255]. More...
 

Private Attributes

unsigned int m_pos
 
random_number32_r m_rnd32
 
uint32 m_value
 

Member Typedef Documentation

typedef uint8 stxxl::random_number8_r::value_type

Definition at line 104 of file rand.h.

Constructor & Destructor Documentation

stxxl::random_number8_r::random_number8_r ( unsigned  seed = 0)
inline

Definition at line 106 of file rand.h.

Member Function Documentation

value_type stxxl::random_number8_r::operator() ( )
inline

Returns a random byte from [0, 255].

Definition at line 111 of file rand.h.

Member Data Documentation

unsigned int stxxl::random_number8_r::m_pos
private

Definition at line 101 of file rand.h.

random_number32_r stxxl::random_number8_r::m_rnd32
private

Definition at line 99 of file rand.h.

uint32 stxxl::random_number8_r::m_value
private

Definition at line 100 of file rand.h.

The documentation for this class was generated from the following file: