binutils/libiberty/random.c

170    advances the front and rear pointers 10*rand_deg times, and hence the
171    rear pointer which starts at 0 will also end up at zero; thus the zeroeth
173    position of the rear pointer is just
188 /* FPTR and RPTR are two pointers into the state info, a front and a rear
194    (The position of the rear pointer, rptr, is really 0 (as explained above
211    the front and rear pointers have wrapped.  */
253    value of the rear pointer; this is so successive calls to initstate won't
330   register int rear = new_state[0] / MAX_TYPES;
358       rptr = &state[rear];
359       fptr = &state[(rear + rand_sep) % rand_deg];
371    set up.  The basic operation is to add the number at the rear pointer into
376    rear pointers can't wrap on the same call by not testing the rear