1 #ifndef SENSE_INCLUDED
2 #define SENSE_INCLUDED
3 
4 #define SENSE_NULL 0x0
5 #define SENSE_ANTI 0x1
6 #define SENSE_FORWARD 0x2
7 
8 #define SENSE_CONSISTENT_P(x,y) ((x | y) != 0x3)
9 #define SENSE_INCONSISTENT_P(x,y) ((x | y) == 0x3)
10 
11 #define SENSE_CONSISTENT_FOR_INVERSION_P(x,y) ((x & y) == 0x0)
12 #define SENSE_INCONSISTENT_FOR_INVERSION_P(x,y) ((x & y) != 0x0)
13 
14 
15 #endif
16 
17