Files
easy7zip/C/HuffEnc.h
Igor Pavlov 829409452d 9.04 beta
2016-05-28 00:15:59 +01:00

28 lines
467 B
C
Executable File

/* HuffEnc.h -- Huffman encoding
2009-02-07 : Igor Pavlov : Public domain */
#ifndef __HUFF_ENC_H
#define __HUFF_ENC_H
#include "Types.h"
#ifdef __cplusplus
extern "C" {
#endif
/*
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);
#ifdef __cplusplus
}
#endif
#endif