Re: Absolute Value |x - y|
Re: Absolute Value |x - y|
- Subject: Re: Absolute Value |x - y|
- From: "R. Scott Thompson" <email@hidden>
- Date: Sun, 5 Dec 2004 08:17:03 -0600
On Dec 5, 2004, at 12:08 AM, Nicko van Someren wrote:
On 4 Dec 2004, at 19:16, Malte wrote:
i've been looking around trying to find a method that calculates the
|absolute value| of a number.
Without success.
Does anyone know if such a function exists?
This is really a C programming task (and a trivial one at that) rather
than a Cocoa problem.
For the specific case of |x-y| that you give in your subject line you
can use:
absoluteValue = (x>y) ? x-y : y-x;
I'll leave it as an exercise to the reader to work out how to deal
with more general cases.
For floating point numbers there is also fabsf and fabs both declared
in math.h.
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