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PORewrite C++ code into Objective C
 

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    <p>I got some C++ Sourcecode that I would like to rewrite into Objective C. It would help me alot if someone could write me a header file for this Code. When I get the Headerfile I would be able to rewrite the rest of the Sourcecode.</p> <p>It would be very nice if someone could help me please.</p> <p>Thanks</p> <p>I will poste the sourcecode here:</p> <pre><code>#include &lt;stdlib.h&gt; #include &lt;iostream.h&gt; #define STATES 5 int transitionTable[STATES][STATES]; // function declarations: double randfloat (void); int chooseNextEventFromTable (int current, int table[STATES][STATES]); int chooseNextEventFromTransitionTablee (int currentState); void setTable (int value, int table[STATES][STATES]); ////////////////////////////////////////////////////////////////////////// int main(void) { int i; // for demo purposes: transitionTable[0][0] = 0; transitionTable[0][1] = 20; transitionTable[0][2] = 30; transitionTable[0][3] = 50; transitionTable[0][4] = 0; transitionTable[1][0] = 35; transitionTable[1][1] = 25; transitionTable[1][2] = 20; transitionTable[1][3] = 30; transitionTable[1][4] = 0; transitionTable[2][0] = 70; transitionTable[2][1] = 0; transitionTable[2][2] = 15; transitionTable[2][3] = 0; transitionTable[2][4] = 15; transitionTable[3][0] = 0; transitionTable[3][1] = 25; transitionTable[3][2] = 25; transitionTable[3][3] = 0; transitionTable[3][4] = 50; transitionTable[4][0] = 13; transitionTable[4][1] = 17; transitionTable[4][2] = 22; transitionTable[4][3] = 48; transitionTable[4][4] = 0; int currentState = 0; for (i=0; i&lt;10; i++) { std::cout &lt;&lt; currentState &lt;&lt; " "; currentState = chooseNextEventFromTransitionTablee(currentState); } return 0; }; ////////////////////////////////////////////////////////////////////////// ////////////////////////////// // // chooseNextEventFromTransitionTable -- choose the next note. // int chooseNextEventFromTransitionTablee(int currentState) { int targetSum = 0; int sum = 0; int targetNote = 0; int totalevents = 0; int i; currentState = currentState % STATES; // remove any octave value for (i=0; i&lt;STATES; i++) { totalevents += transitionTable[currentState][i]; } targetSum = (int)(randfloat() * totalevents + 0.5); while (targetNote &lt; STATES &amp;&amp; sum+transitionTable[currentState][targetNote] &lt; targetSum) { sum += transitionTable[currentState][targetNote]; targetNote++; } return targetNote; } ////////////////////////////// // // randfloat -- returns a random number between 0.0 and 1.0. // double randfloat(void) { return (double)rand()/RAND_MAX; } ////////////////////////////// // // setTable -- set all values in the transition table to the given value. // void setTable(int value, int table[STATES][STATES]) { int i, j; for (i=0; i&lt;STATES; i++) { for (j=0; j&lt;STATES; j++) { table[i][j] = value; } } } </code></pre> <p><strong>Update</strong></p> <p>I'm not only compiling the header file there is another file i'm compiling too </p> <p>SourceCode:</p> <pre><code>// // markovThreadsChainsViewController.m // markovThreadsChains // // Created by Philippe Mokrzycki on 15.01.11. // Copyright 2011 TGM. All rights reserved. // #import "markovThreadsChainsViewController.h" #import "markov.h" //#import "markovChainOC.h" @implementation markovThreadsChainsViewController @synthesize mcValueLabel, threadStartGenerateButton, threadStopGenerateButton; - (IBAction) startThreadGen:(UIButton *)sender{ threadStopGenerateButton.hidden=NO; threadStartGenerateButton.hidden=YES; mcValueLabel.text = @"0"; currentState=0; // markovChainOC *mCobc = [[markovChainOC alloc]init]; // [mCobc setCurrentState:0]; [NSThread detachNewThreadSelector:@selector(startThreading) toTarget:self withObject:nil]; } - (IBAction) stopThreadGen:(UIButton *)sender{ threadStopGenerateButton.hidden=YES; threadStartGenerateButton.hidden=NO; [NSThread detachNewThreadSelector:@selector(stopThreading) toTarget:self withObject:nil]; } - (void) startThreading { NSAutoreleasePool *pool = [[NSAutoreleasePool alloc]init]; [NSThread sleepForTimeInterval:3]; [self performSelectorOnMainThread:@selector(markovGen) withObject:nil waitUntilDone:NO]; [pool release]; } - (void) stopThreading { [NSThread cancelPreviousPerformRequestsWithTarget:self]; } - (void)markovGen{ transitionTable[0][0] = 25; transitionTable[0][1] = 25; transitionTable[1][0] = 25; transitionTable[1][1] = 25; // int actualValue = [mCobc getCurrentState]; int actualValue = currentState; mcValueLabel.text = [NSString stringWithFormat:@"%", actualValue]; currentState = chooseNextEventFromTransitionTablee(currentState); [NSTimer scheduledTimerWithTimeInterval:0.5 target:self selector:@selector(markovGen) userInfo:nil repeats:NO]; } /* // The designated initializer. Override to perform setup that is required before the view is loaded. - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil { if ((self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil])) { // Custom initialization } return self; } */ /* // Implement loadView to create a view hierarchy programmatically, without using a nib. - (void)loadView { } */ /* // Implement viewDidLoad to do additional setup after loading the view, typically from a nib. - (void)viewDidLoad { [super viewDidLoad]; } */ /* // Override to allow orientations other than the default portrait orientation. - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation { // Return YES for supported orientations return (interfaceOrientation == UIInterfaceOrientationPortrait); } */ - (void)didReceiveMemoryWarning { // Releases the view if it doesn't have a superview. [super didReceiveMemoryWarning]; // Release any cached data, images, etc that aren't in use. } - (void)viewDidUnload { // Release any retained subviews of the main view. // e.g. self.myOutlet = nil; } - (void)dealloc { [mcValueLabel release]; [threadStartGenerateButton release]; [threadStopGenerateButton release]; // [mCobc release]; [super dealloc]; } @end </code></pre>
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    1. USJonathan Leffler
    1. USPhil_M
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      1. VTUpMod
    1. COWhy do you want to rewrite this code in ObjC? You can set the compilation target to "Objective C++" and Xcode will compile C++ code just fine.
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      1. USThe-Kenny
    2. COThe compiler will accept the c++ code aswell, there is no need to rewrite it in objective C.
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      1. USKaiserJohaan
    3. COThanks for the fast answer, I know that that i can compile it in this form but I need to implement the functions in another programm, and this programm is written in Objective C
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      1. USPhil_M
 

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