MANTSIZE2         354 kernel/acct.c  #define MAXFRACT2       ((1ul << MANTSIZE2) - 1) /* Maximum fractional value. */
MANTSIZE2         379 kernel/acct.c  		return (1ul << (MANTSIZE2+EXPSIZE2-1)) - 1;
MANTSIZE2         381 kernel/acct.c  		return (value & (MAXFRACT2>>1)) | (exp << (MANTSIZE2-1));