Comments on: Generating random numbers in Cocoa http://www.luisdelarosa.com/2008/07/24/generating-random-numbers-in-cocoa/ iPhone and Mac OS X Programming (with a bit of Ruby on Rails) Thu, 29 Jul 2010 17:02:44 +0000 http://wordpress.org/?v=2.7.1 hourly 1 By: Steve http://www.luisdelarosa.com/2008/07/24/generating-random-numbers-in-cocoa/comment-page-1/#comment-67325 Steve Thu, 24 Jul 2008 21:13:12 +0000 http://www.luisdelarosa.com/2008/07/24/generating-random-numbers-in-cocoa/#comment-67325 Using MOD won't produce proper random numbers. You should scale the number to the range you need instead. Imagine you could produce random numbers in the range of 0 to 3. And you wanted them in the range of 0 to 2, so you do a mod 3, and if an random number was = 3, then it would become 0, so you would get twice as many 0's as 1 or 2. Using MOD won’t produce proper random numbers. You should scale the number to the range you need instead.

Imagine you could produce random numbers in the range of 0 to 3. And you wanted them in the range of 0 to 2, so you do a mod 3, and if an random number was = 3, then it would become 0, so you would get twice as many 0’s as 1 or 2.

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