random.h File Reference

some methods about random number generation More...

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Functions
double	drand (void)
int	randbiased (double x)
int	randslot (const double *slots, int n)
int	nrand (int n)

Detailed Description

some methods about random number generation

Function Documentation

double drand

(

void

)

return a random number between 0 and 1

int randbiased

(

double

x

)

return 0 or 1 with probability according to x

int randslot	(	const double *	slots,
		int	n
	)

extract a random slot according to slot PDF distribution.

double test[n];
test[0] = 0.25;
test[1] = 0.5;
test[2] = 0.75;
test[3] = 1.0;

int slot = randslot(test, 4);