video 4 linux 2的编程经典，详细介绍了linux内核中v4l2接口、API函数等的应用，是视频驱动开发的必备工具。-Video 4 Linux 2 programming classic, introduced in detail the Linux kernel v4l2 interface, API function application, is a video driver development tool.

The algorithm is based on atan(x)=atan(y)+atan((x-y) (1+xy)). We use poly1(x) to approximate atan(x) for x in [0,1 8] with error (relative).

Common definitions for Xylogics disk drivers. Names are prefixed with xy , but these definitions also apply to the xd driver. -Common definitions for Xylogics disk drivers. Names are prefixed with xy , but these definitions also apply to the xd dr