Created
March 30, 2012 09:23
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Masks
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| // | |
| // Masks.h | |
| // | |
| // Created by Eugene Solodovnykov on 2/23/12. | |
| // | |
| #import <Foundation/Foundation.h> | |
| NSInteger setBits(NSInteger mask, NSInteger bitMask); | |
| NSInteger clearBits(NSInteger mask, NSInteger bitMask); | |
| NSInteger toggleBits(NSInteger mask, NSInteger bitMask); | |
| BOOL testBits(NSInteger mask, NSInteger bitMask); |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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| // | |
| // Masks.m | |
| // | |
| // Created by Eugene Solodovnykov on 2/23/12. | |
| // | |
| #include "Masks.h" | |
| NSInteger setBits(NSInteger mask, NSInteger bitMask) { | |
| return (mask | bitMask); | |
| } | |
| NSInteger clearBits(NSInteger mask, NSInteger bitMask) { | |
| return (mask & (~ bitMask)); | |
| } | |
| NSInteger toggleBits(NSInteger mask, NSInteger bitMask) { | |
| return (mask ^ bitMask); | |
| } | |
| BOOL testBits(NSInteger mask, NSInteger bitMask) { | |
| return !!(mask & bitMask); | |
| } |
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