Re: How to find function definition (fabs)
Re: How to find function definition (fabs)
- Subject: Re: How to find function definition (fabs)
- From: Frederick Cheung <email@hidden>
- Date: Wed, 19 Jan 2005 16:07:34 +0000
On 19 Jan 2005, at 16:02, Jeremy French wrote:
How do I find the definition of a function?
In the Aaron Hillegass book (Cocoa Programming for Mac OSX), there is
an example that uses a function called fabs (on page 323). However,
there is no explanation of what this function does.
So in XCode 1.5, I option-clicked on "fabs" in some source code, and
HELP displayed the following information (from Apple's "Mathematical
and Logical Utilities Reference"):
Unfortunately the above documentation doesn't seem very helpful. What
does the function do? Why isn't there a description of what it does?
Where do I find an explanation of what "fabs" returns?
In this case, man fabs
Man pages are the place to go for most non Apple specific stuff (maths,
standard c library stuff etc.)
Fred
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