bppmask.h

来自「一个简单而且快速的无损压缩算法。包含源代码实现」· C头文件 代码 · 共 20 行

#ifndef __BPPMASK_H
#define __BPPMASK_H


/* bppmask[i] ma jedynki na i najmlodszych bitach */
static const unsigned long int bppmask[33]={
							0x00000000, /* [0] */
							0x00000001, 0x00000003, 0x00000007, 0x0000000f,
							0x0000001f, 0x0000003f, 0x0000007f, 0x000000ff,
							0x000001ff, 0x000003ff, 0x000007ff, 0x00000fff,
							0x00001fff, 0x00003fff, 0x00007fff, 0x0000ffff,
							0x0001ffff, 0x0003ffff, 0x0007ffff, 0x000fffff,
							0x001fffff, 0x003fffff, 0x007fffff, 0x00ffffff,
							0x01ffffff, 0x03ffffff, 0x07ffffff, 0x0fffffff,
							0x1fffffff, 0x3fffffff, 0x7fffffff, 0xffffffff /* [32] */
							};


#endif