iso646.h

微软的基于HMM的人脸识别原代码, 非常经典的说

#ifndef EiC_iso646_H
#define EiC_iso646_H

#define and     &&
#define and_eq  &=
#define bitand  &
#define bitor   |
#define compl   ~
#define not     !
#define not_eq  !=
#define or      ||
#define or_eq   |=
#define xor     ^
#define xor_eq  ^=

#endif