casenumber max_in_core_cases);
bool casewindow_destroy (struct casewindow *);
void casewindow_push_head (struct casewindow *, struct ccase *);
void casewindow_pop_tail (struct casewindow *, casenumber cnt);
casenumber max_in_core_cases);
bool casewindow_destroy (struct casewindow *);
void casewindow_push_head (struct casewindow *, struct ccase *);
void casewindow_pop_tail (struct casewindow *, casenumber cnt);