appledoc crash test

//
//  NSNumber+Helpers.h
//  Sterling
//
//  Created by Karl Wagner on 25/07/2012.
//  Copyright (c) 2012 Springsup, Inc. All rights reserved.
//

@interface NSNumber (STGEqualityChecking)

/** Determines whether two NSNumber instances contain equal values.
 *
 *  @param  number1 An instance of NSNumber. This parameter may be Nil.
 *  @param  number2 An instance of NSNumber to compare with number1. This parameter may be Nil.
 *
 *  @returns    YES if number1 and number2 contain equal values or are both Nil.
 *              NO if number1 and number2 contains different values, or one of number1 and number2 is Nil.
 */

+ (BOOL)number: (NSNumber *)number1 isEqualToNumber: (NSNumber *)number2;

@end

typedef NS_ENUM( NSInteger, STGNumberSign )
{
    STGNumberSignNegative = -1,
    STGNumberSignPositive = 1
};

@interface NSNumber (Helpers)

/** The sign of the value contained in the receiver
 *
 *  Unsigned values (including zero) return STGNumberSignPositive.
 */

@property ( nonatomic, readonly ) STGNumberSign sign;

/** The magnitude of the value contained in the receiver */

@property ( nonatomic, readonly ) NSNumber * magnitude;

@end