# Rand32¶

#include <Imath/ImathRandom.h>

The Rand32 class is a fast pseudo-random number generator that generates a uniformly distributed sequence with a period length of $$2^32$$.

class Imath::Rand32

Fast random-number generator that generates a uniformly distributed sequence with a period length of 2^32.

Public Functions

inline Rand32(unsigned long int seed = 0)

Constructor, given a seed.

inline void init(unsigned long int seed)

Re-initialize with a given seed.

inline bool nextb()

Get the next value in the sequence (range: [false, true])

inline unsigned long int nexti()

Get the next value in the sequence (range: [0 … 0xffffffff])

float nextf()

Get the next value in the sequence (range: [0 … 1[)

inline float nextf(float rangeMin, float rangeMax)

Get the next value in the sequence (range [rangeMin … rangeMax[)