Thanks, Joachim and johnff, for your suggestions.

With seed 0 in the header in all instances, and for uniform distribution, 
I've gone with:
unirand x
when I need positive values only, and
rnd31 x, 0
for bipolar.

When I need a weighted/custom distribution, I use:
rnd31 x, y

Yes, I'm a fan of rnd31 too.

Art Hunkins

----- Original Message ----- 
From: "joachim heintz" 
To: 
Sent: Wednesday, December 14, 2011 7:36 AM
Subject: Re: [Csnd] Random


> i'd recommend rnd31.
> or random with seed 0 in the header.
>
> joachim
>
> Am 13.12.2011 19:57, schrieb Art Hunkins:
>> What is the most efficient opcode for generating bipolar, equally
>> distributed random numbers at i-time, and seeds from the system clock?
>>
>> Art Hunkins
>>
>>
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>> csound"
>>
>>
>
>
> Send bugs reports to the Sourceforge bug tracker
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> 



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