Re: Re: Getting the Max number from a set of numbers
Posted by: richlove <richlove@...>
Ken, thanks for that solution.
I also used Brian’s sort routine and trimmed it down to a simple example:
include "NSLog.incl"
toolbox qsort( pointer array, unsigned long nmembers, unsigned long member_size, ptr compar )
local fn ComparisonCallbackForQsort( ap as ptr, bp as ptr )
long result = 0
if ( ap.0& > bp.0& ) then result = NSOrderedDescending : exit fn
if ( ap.0& < bp.0& ) then result = NSOrderedAscending : exit fn
end fn = result
// Main
window 1, @"Integer Sort", (0,0) - (550, 250)
long gData(5)
// set these values to sort
gData(1) = 2
gData(2) = 44
gData(3) = 11
gData(4) = 99
gData(5) = 35
qsort( @gData(0), 6, sizeof( long ), @fn ComparisonCallbackForQsort )
printf @"Highest number is %ld", gData(5)
HandleEvents
Rich
From: <futurebasic@freegroups.net> on behalf of Ken Shmidheiser <kashmidheiser@gmail.com>
Reply-To: <futurebasic@freegroups.net>
Date: Tuesday, April 5, 2022 at 7:01 PM
To: <futurebasic@freegroups.net>
Subject: [FB] Re: Getting the Max number from a set of numbers
Back to Rich's original post in this thread he asked:
The following works in Objective-C
But how is this done in FutureBasic? (without using a C Function)
NSArray *unsortedArray = @[ @2, @44, @11, @99, @35 ];
NSNumber *maxNumber = [unsortedArray valueForKeyPath:@"@max.self"];
NSLog(@"%@", maxNumber); // 99
Here's the answer, I just wish I could claim this as my own. 😀
We took the long way around to get here, but it was fun!
Ken
include "NSLog.incl"
local fn DoIt
CFArrayRef unsortedArray = @[@2,@44,@99,@35]
CFNumberRef maxNumber = fn ObjectValueForKeyPath( (ObjectRef)unsortedArray, @"@max.self" )
NSLog(@"%@",maxNumber)
end fn
fn DoIt
HandleEvents
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