Re: How to find function definition (fabs)
Re: How to find function definition (fabs)
- Subject: Re: How to find function definition (fabs)
- From: Ricky Sharp <email@hidden>
- Date: Wed, 19 Jan 2005 10:30:41 -0600
On Wednesday, January 19, 2005, at 10:08AM, Frederick Cheung <email@hidden> wrote:
>
>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.)
'man fabs' unfortunately does nothing for me (Terminal says "No manual entry for fabs"). And, as expected, also fails when fabs is used as a search string in Xcode's Open man page feature (accessed from Help menu).
This thread would be better served on the Xcode mailing list. Perhaps someone can offer the reasons/workarounds that fabs doesn't show up in the man pages.
Definitely file a bug though about the lack of detail in the description for fabs.
--
Rick Sharp
Instant Interactive(tm)
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