DNA Proj

Cell+mutator.h

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+//
+//  Cell+mutator.h
+//  DNK
+//
+//  Created by evgen on 11/13/12.
+//  Copyright (c) 2012 evgen. All rights reserved.
+//
+
+#import "Cell.h"
+
+@interface Cell (mutator)
+
++(int) getRandIndex;
+-(void) mutate:(int) percent;
+
+@end

Cell+mutator.m

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+//
+//  Cell+mutator.m
+//  DNK
+//
+//  Created by evgen on 11/13/12.
+//  Copyright (c) 2012 evgen. All rights reserved.
+//
+
+#import "Cell+mutator.h"
+
+@implementation Cell (mutator)
+
+-(void) mutate:(int)percent {
+    //array with random numbers to check if the new number repeats
+    NSMutableArray *repeatCheckArray = [NSMutableArray array];
+
+    for (int i=1; i<percent; ++i){
+
+        int randindex = [Cell getRandIndex];
+        if ([repeatCheckArray containsObject:[NSNumber numberWithInteger:randindex]]) {
+            --i; //if this number was generated again the new iteration
+        }
+        else //else we will change this character with new one
+            [[self DNA] replaceObjectAtIndex:randindex withObject:[Cell getRandomCharacter]];
+    }
+
+}
+//get random index for changing characters in array
++(int) getRandIndex{
+    int x = arc4random() % 99 + 1;
+    return x;
+}
+@end

Cell.h

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+//
+//  Cell.h
+//  DNK
+//
+//  Created by evgen on 11/9/12.
+//  Copyright (c) 2012 evgen. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+@interface Cell : NSObject {
+    NSMutableArray *_DNA;
+}
+
+@property NSMutableArray *DNA;
+
+-(id)init;
+//get random object type NSString for the array
++(NSString*)getRandomCharacter;
+
+-(int) hammingDistance: (Cell*) number;
+
+@end

Cell.m

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+//
+//  Cell.m
+//  DNK
+//
+//  Created by evgen on 11/9/12.
+//  Copyright (c) 2012 evgen. All rights reserved.
+//
+
+#import "Cell.h"
+
+@implementation Cell
+
+//Array object initialization
+-(id) init{
+    self = [super init];
+
+    _DNA = [[NSMutableArray alloc] init];
+    _DNA = [NSMutableArray arrayWithCapacity:100];    
+
+    if(self)
+        for(int i=1;i<=100;i++) //fill the array with random characters
+            [_DNA addObject:[Cell getRandomCharacter]];
+
+    return self;
+
+}
+
+-(int)hammingDistance:(Cell*)number{
+    int count=0;
+
+    for(int i=0;i<100;i++){
+        //compare two arrays
+        if(!([(NSString*)[[self DNA] objectAtIndex:i] isEqualToString:[[number DNA] objectAtIndex:i]]))
+            count++;
+
+    }
+
+    return count;
+}
+
+
++(NSString*)getRandomCharacter{
+
+    switch(random()%4){
+        case 0:
+            return @"A";
+        case 1:
+            return @"T";
+        case 2:
+            return @"G";
+                }
+    return @"C";    
+}
+
+
+@end

DNK-Prefix.pch

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+//
+// Prefix header for all source files of the 'DNK' target in the 'DNK' project
+//
+
+#ifdef __OBJC__
+    #import <Foundation/Foundation.h>
+#endif

DNK.1

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+.\"Modified from man(1) of FreeBSD, the NetBSD mdoc.template, and mdoc.samples.
+.\"See Also:
+.\"man mdoc.samples for a complete listing of options
+.\"man mdoc for the short list of editing options
+.\"/usr/share/misc/mdoc.template
+.Dd 11/9/12               \" DATE 
+.Dt DNK 1      \" Program name and manual section number 
+.Os Darwin
+.Sh NAME                 \" Section Header - required - don't modify 
+.Nm DNK,
+.\" The following lines are read in generating the apropos(man -k) database. Use only key
+.\" words here as the database is built based on the words here and in the .ND line. 
+.Nm Other_name_for_same_program(),
+.Nm Yet another name for the same program.
+.\" Use .Nm macro to designate other names for the documented program.
+.Nd This line parsed for whatis database.
+.Sh SYNOPSIS             \" Section Header - required - don't modify
+.Nm
+.Op Fl abcd              \" [-abcd]
+.Op Fl a Ar path         \" [-a path] 
+.Op Ar file              \" [file]
+.Op Ar                   \" [file ...]
+.Ar arg0                 \" Underlined argument - use .Ar anywhere to underline
+arg2 ...                 \" Arguments
+.Sh DESCRIPTION          \" Section Header - required - don't modify
+Use the .Nm macro to refer to your program throughout the man page like such:
+.Nm
+Underlining is accomplished with the .Ar macro like this:
+.Ar underlined text .
+.Pp                      \" Inserts a space
+A list of items with descriptions:
+.Bl -tag -width -indent  \" Begins a tagged list 
+.It item a               \" Each item preceded by .It macro
+Description of item a
+.It item b
+Description of item b
+.El                      \" Ends the list
+.Pp
+A list of flags and their descriptions:
+.Bl -tag -width -indent  \" Differs from above in tag removed 
+.It Fl a                 \"-a flag as a list item
+Description of -a flag
+.It Fl b
+Description of -b flag
+.El                      \" Ends the list
+.Pp
+.\" .Sh ENVIRONMENT      \" May not be needed
+.\" .Bl -tag -width "ENV_VAR_1" -indent \" ENV_VAR_1 is width of the string ENV_VAR_1
+.\" .It Ev ENV_VAR_1
+.\" Description of ENV_VAR_1
+.\" .It Ev ENV_VAR_2
+.\" Description of ENV_VAR_2
+.\" .El                      
+.Sh FILES                \" File used or created by the topic of the man page
+.Bl -tag -width "/Users/joeuser/Library/really_long_file_name" -compact
+.It Pa /usr/share/file_name
+FILE_1 description
+.It Pa /Users/joeuser/Library/really_long_file_name
+FILE_2 description
+.El                      \" Ends the list
+.\" .Sh DIAGNOSTICS       \" May not be needed
+.\" .Bl -diag
+.\" .It Diagnostic Tag
+.\" Diagnostic informtion here.
+.\" .It Diagnostic Tag
+.\" Diagnostic informtion here.
+.\" .El
+.Sh SEE ALSO 
+.\" List links in ascending order by section, alphabetically within a section.
+.\" Please do not reference files that do not exist without filing a bug report
+.Xr a 1 , 
+.Xr b 1 ,
+.Xr c 1 ,
+.Xr a 2 ,
+.Xr b 2 ,
+.Xr a 3 ,
+.Xr b 3 
+.\" .Sh BUGS              \" Document known, unremedied bugs 
+.\" .Sh HISTORY           \" Document history if command behaves in a unique manner