class implementation

ci.m

@implementation Number

-(void) setReal : (double) r{
    real = r;
}
-(void) setImaginary : (double) i{
    imaginary = i;
}
-(void) setAll:(double)r :(double)i{
    real = r;
    imaginary = i;
}
-(void) print{
    NSLog(@"%g+%gi\n",real,imaginary);
}

@end