#define MPIComparePositionCountMAX (10)  /* Maximum latches/compare */

typedef enum {
    MPICompareStateINVALID,

    MPICompareStateIDLE,
    MPICompareStateARMED,
    MPICompareStateCOMPARED,
} MPICompareState;

typedef struct MPICompareStatus {
    MPICompareState	state;
    double		position[MPIComparePositionCountMAX];
} MPICompareStatus;