Does anyone know why the follow code produces an error on [pool
release]?. I get the following error :
"*** -[NSDecimalNumber release]: message sent to deallocated instance
0x10c310". How am I overreleasing anything
#import "Fraction.h"
@implementation Fraction
-(id)init {
if(self = [super init]) {
numerator = [[NSNumber alloc] initWithInt:0];
denominator = [[NSNumber alloc] initWithInt:1];
decimalNumber = [[NSDecimalNumber alloc] initWithString:@"0"];
}
return self;
}
-(void)dealloc {
[numerator release];
[denominator release];
[decimalNumber release];
[super dealloc];
}
-(void)updateDecimalNumberWithFraction {
NSDecimalNumber *tempNum = [NSDecimalNumber decimalNumberWithString:
[numerator stringValue]];
NSDecimalNumber *tempDenom = [NSDecimalNumber decimalNumberWithString:
[denominator stringValue]];
tempNum = [NSDecimalNumber decimalNumberWithString:[numerator
stringValue]];
tempDenom = [NSDecimalNumber decimalNumberWithString:[denominator
stringValue]];
[decimalNumber release];
decimalNumber = [tempNum decimalNumberByDividingBy:tempDenom];
tempNum = [[NSDecimalNumber alloc] init];
tempDenom = [[NSDecimalNumber alloc] init];
}
-(void)setNumerator:(NSInteger)n {
[numerator release];
numerator = [NSNumber numberWithInteger:n];
if([denominator intValue] != 0) {
[self updateDecimalNumberWithFraction];
}
}
-----------
// main.m
#import <Cocoa/Cocoa.h>
#import "Fraction.h"
int main(int argc, char *argv[])
{
NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
Fraction *f1 = [[Fraction alloc] init];
NSInteger n1, d1;
n1 = 1;
d1 = 2;
[f1 setNumerator:n1];
[f1 setNumerator:n1];
[f1 release];
[pool release];
}
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