rpcs3/3rdparty/7z/src/HuffEnc.h
2023-12-19 00:50:57 +01:00

23 lines
444 B
C

/* HuffEnc.h -- Huffman encoding
2023-03-05 : Igor Pavlov : Public domain */
#ifndef ZIP7_INC_HUFF_ENC_H
#define ZIP7_INC_HUFF_ENC_H
#include "7zTypes.h"
EXTERN_C_BEGIN
/*
Conditions:
num <= 1024 = 2 ^ NUM_BITS
Sum(freqs) < 4M = 2 ^ (32 - NUM_BITS)
maxLen <= 16 = kMaxLen
Num_Items(p) >= HUFFMAN_TEMP_SIZE(num)
*/
void Huffman_Generate(const UInt32 *freqs, UInt32 *p, Byte *lens, UInt32 num, UInt32 maxLen);
EXTERN_C_END
#endif