In article <3A62AAB1.D28CF104@pobox.com>, Anton Sherwood 
<bro### [at] poboxcom> wrote:

> Ah, and assuming that rand() is a typical linear type (why can't i find
> it in the doc?!)

Is this what you are looking for?
4.1.3.6 Float Functions
...
rand(I)     Returns the next pseudo-random number from the stream 
specified by the positive integer I. You must call seed() to initialize 
a random stream before calling rand(). The numbers are uniformly 
distributed, and have values between 0.0 and 1.0, inclusively. The 
numbers generated by separate streams are independent random variables.

-- 
Christopher James Huff
Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tagpovrayorg, http://tag.povray.org/

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