#define	mpiIdnNUMBER(type,param,data) \
((((type) & 0x1) << 15) | (((param) & 0x7) << 12) | ((data) & 0xFFF))

IdnNUMBER converts the idn type, param, and data into a number. Used internally by mpiIdnNumberPRODUCT/STANDARD(.).