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Re: unsigning NSNumber

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Re: unsigning NSNumber

Subject: Re: unsigning NSNumber
From: Graham Cox <email@hidden>
Date: Sun, 27 Jul 2008 14:45:29 +1000


On 27 Jul 2008, at 2:48 am, Justin Giboney wrote:

Multiply by -1

No, that's not the same as fabs(x). If the number is already +ve, *-1 it will make it -ve. fabs(x) makes -ve numbers +ve, but not vice versa.

In any case you can't multiply NSNumber by anything - it's immutable.


Graham
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References:  
  >unsigning NSNumber (From: Steven Hamilton <email@hidden>)
  >unsigning NSNumber (From: Steven Hamilton <email@hidden>)
  >Re: unsigning NSNumber (From: Graham Cox <email@hidden>)
  >Re: unsigning NSNumber (From: "Justin Giboney" <email@hidden>)




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