Huffman coding: Difference between revisions
Content added Content deleted
(wrote code using example described) |
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int freq; |
int freq; |
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} |
} |
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-( |
-(instancetype)initWithFreq:(int)f; |
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@property (nonatomic, readonly) int freq; |
@property (nonatomic, readonly) int freq; |
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@end |
@end |
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@implementation HuffmanTree |
@implementation HuffmanTree |
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@synthesize freq; // the frequency of this tree |
@synthesize freq; // the frequency of this tree |
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-( |
-(instancetype)initWithFreq:(int)f { |
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if (self = [super init]) { |
if (self = [super init]) { |
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freq = f; |
freq = f; |
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| Line 2,988: | Line 2,988: | ||
} |
} |
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@property (readonly) char value; |
@property (readonly) char value; |
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-( |
-(instancetype)initWithFreq:(int)f character:(char)c; |
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@end |
@end |
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@implementation HuffmanLeaf |
@implementation HuffmanLeaf |
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@synthesize value; |
@synthesize value; |
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-( |
-(instancetype)initWithFreq:(int)f character:(char)c { |
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if (self = [super initWithFreq:f]) { |
if (self = [super initWithFreq:f]) { |
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value = c; |
value = c; |
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| Line 3,006: | Line 3,006: | ||
} |
} |
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@property (readonly) HuffmanTree *left, *right; |
@property (readonly) HuffmanTree *left, *right; |
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-( |
-(instancetype)initWithLeft:(HuffmanTree *)l right:(HuffmanTree *)r; |
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@end |
@end |
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@implementation HuffmanNode |
@implementation HuffmanNode |
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@synthesize left, right; |
@synthesize left, right; |
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-( |
-(instancetype)initWithLeft:(HuffmanTree *)l right:(HuffmanTree *)r { |
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if (self = [super initWithFreq:l.freq+r.freq]) { |
if (self = [super initWithFreq:l.freq+r.freq]) { |
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left = l; |
left = l; |
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