Re: Power function as operator

From: Date: Fri, 22 Nov 2013 23:59:36 +0000
Subject: Re: Power function as operator
References: 1 2 3  Groups: php.internals 
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Hi, > I'm not entirely sure that making it non-associative is a great idea > either, but I have to agree that it does find *some* middle ground. > Right-associative exponent operator didn't seem right to me either. > I think there is a good mathematical reason for right associative exponent. It calls tetration or power tower. Please look at following sources for more details: http://math.stanford.edu/circle/notes08f/bignumbers.pdf http://en.wikipedia.org/wiki/Tetration http://mathworld.wolfram.com/PowerTower.html Regards Jakub

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