#include <dol/cLib/c_random.hpp>

Description

Random number generation helper class.

Note: Unofficial name.

Definition at line 7 of file c_random.hpp.

Public Member Functions
	cM_rand_c (u32 seed)
	Initializes the class with the given seed.

u32	ranqd1 (u32 max)
	Generates an integer between 0 and the given max.

float	ranqd2 ()
	Generates a floating point number between 0 and 1.

float	ranqd3 ()
	Generates a floating point number between -0.5 and 0.5.

Public Attributes
u32	mSeed
	The current seed.

Private Member Functions
u32	ranqdStep ()
	Implementation of the `ranqd1` algorithm.

Static Private Attributes
static u32	mConst1 = 0x19660D
	Constant `a` from the `ranqd1` algorithm.

static u32	mConst2 = 0x3C6EF35F
	Constant `c` from the `ranqd1` algorithm.

Constructor & Destructor Documentation

◆ cM_rand_c()

cM_rand_c::cM_rand_c ( u32 seed )

inline

Initializes the class with the given seed.

Definition at line 11 of file c_random.hpp.

Member Function Documentation

◆ ranqd1()

u32 cM_rand_c::ranqd1 ( u32 max )

Generates an integer between 0 and the given max.

Definition at line 28 of file c_random.cpp.

◆ ranqd2()

float cM_rand_c::ranqd2 ( )

Generates a floating point number between 0 and 1.

Definition at line 33 of file c_random.cpp.

◆ ranqd3()

float cM_rand_c::ranqd3 ( )

Generates a floating point number between -0.5 and 0.5.

Definition at line 39 of file c_random.cpp.

◆ ranqdStep()

u32 cM_rand_c::ranqdStep ( )

inlineprivate

Implementation of the ranqd1 algorithm.

Bug:: The implementation is flawed. This post explains why.

Definition at line 9 of file c_random.cpp.

Member Data Documentation

◆ mSeed

u32 cM_rand_c::mSeed

The current seed.

Definition at line 17 of file c_random.hpp.

◆ mConst1

u32 cM_rand_c::mConst1 = 0x19660D

staticprivate

Constant a from the ranqd1 algorithm.

Definition at line 25 of file c_random.hpp.

◆ mConst2

u32 cM_rand_c::mConst2 = 0x3C6EF35F

staticprivate

Constant c from the ranqd1 algorithm.

Definition at line 26 of file c_random.hpp.