44 lines
1.1 KiB
Objective-C
44 lines
1.1 KiB
Objective-C
#import <Foundation/Foundation.h>
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#import "ArrayUtil.h"
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#import "DataUtil.h"
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#import "DictionaryUtil.h"
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#import "StringUtil.h"
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@interface NumberUtil : NSObject
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+ (int16_t)congruentDifferenceMod2ToThe16From:(uint16_t)s1 to:(uint16_t)s2;
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+ (int8_t)signOfInt32:(int32_t)value;
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+ (int8_t)signOfDouble:(double)value;
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+ (NSUInteger)largestIntegerThatIsAtMost:(NSUInteger)value andIsAMultipleOf:(NSUInteger)multiple;
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+ (NSUInteger)smallestIntegerThatIsAtLeast:(NSUInteger)value andIsAMultipleOf:(NSUInteger)multiple;
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+ (double)clamp:(double)value toMin:(double)min andMax:(double)max;
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+ (NSUInteger)from:(NSUInteger)value subtractWithSaturationAtZero:(NSUInteger)minusDelta;
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+ (uint8_t)uint8FromLowUInt4:(uint8_t)low4UInt4 andHighUInt4:(uint8_t)highUInt4;
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+ (uint8_t)lowUInt4OfUint8:(uint8_t)value;
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+ (uint8_t)highUInt4OfUint8:(uint8_t)value;
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+ (NSUInteger)assertConvertIntToNSUInteger:(int)value;
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+ (NSInteger)assertConvertUnsignedIntToNSInteger:(unsigned int)value;
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+ (int)assertConvertNSUIntegerToInt:(NSUInteger)value;
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@end
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@interface NSNumber (NumberUtil)
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- (bool)hasUnsignedIntegerValue;
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- (bool)hasUnsignedLongLongValue;
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- (bool)hasLongLongValue;
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@end
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