- col_mate = xcalloc(p->num_rows, sizeof(col_mate[0]));
- unchosen_row = xcalloc(p->num_rows, sizeof(unchosen_row[0]));
- row_dec = xcalloc(p->num_rows, sizeof(row_dec[0]));
- slack_row = xcalloc(p->num_rows, sizeof(slack_row[0]));
+ col_mate = XMALLOCNZ(int, p->num_rows);
+ unchosen_row = XMALLOCNZ(int, p->num_rows);
+ row_dec = XMALLOCNZ(int, p->num_rows);
+ slack_row = XMALLOCNZ(int, p->num_rows);