Rand spread

/* * Generate a random long integer X where A-D<=X<=A+D * The integer X falls along a uniform distribution. * Note: rand_spread(A,D) == rand_range(A-D,A+D) */ 	((A) + (rand_int(1+(D)+(D))) - (D))
 * 1) define rand_spread(A,D) \

Value
A hash define macro.

Found in
z-rand.h