unsigned int Range::length(void) {
// Total number of values specified by a list
unsigned int size = 0;
RangeList list = rangeList;
while(list) {
size += list->n_pts();
list = list->next;
}
return size;
}
int Range::index(int ix) {
// Value of ix'th index in list
RangeList list = rangeList;
int n_pts;
int iix = ix;
while(list) {
n_pts = list->n_pts();
if (iix < n_pts) {
return list->start + iix * list->step;
}
list = list->next;
iix -= n_pts;
}
// fell through!
fprintf(stderr, "Error: wanted value %d but list length %d\n",
ix, length());
abort();
}
