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15/09/2007, 20h54

Matthew Rudy wrote:
> 7stud -- wrote:
>> Is there any difference between calling rand() and rand(0.1)?
>
> takes a look at the rdoc -
> http://www.ruby-doc.org/core/classes...l.html#M005955
>
> its defined as "rand(max=0)"
> ie. calling rand() is exactly the same as rand(0)
>
> also it "Converts max to an integer using max1 = max.to_i.abs"
> ie. max = 0.1 -> max1 = 0.1.to_i.abs = 0
> ie. rand() results in the same behaviour as rand(0.1)

That was my analysis too, however pickaxe2 has some code on p. 138 that
calls rand(0.1).
--
Posted via http://www.ruby-forum.com/.

15/09/2007, 20h54	#6
7stud -- Messages: n/a Hébergeur:	Re: rand() v. rand(0.1) ? Matthew Rudy wrote: > 7stud -- wrote: >> Is there any difference between calling rand() and rand(0.1)? > > takes a look at the rdoc - > http://www.ruby-doc.org/core/classes...l.html#M005955 > > its defined as "rand(max=0)" > ie. calling rand() is exactly the same as rand(0) > > also it "Converts max to an integer using max1 = max.to_i.abs" > ie. max = 0.1 -> max1 = 0.1.to_i.abs = 0 > ie. rand() results in the same behaviour as rand(0.1) That was my analysis too, however pickaxe2 has some code on p. 138 that calls rand(0.1). -- Posted via http://www.ruby-forum.com/.