This code deletes n columns from ExSan(n, m) ---> ExSan(p, q-n)
ExSan
1 /***********START***************/
2 //legend
3 // n: north s: south e: east w: west ptr: pointer
4 // This code deletes N columns from the data structure ExSan
5 void Net::colDeleteNet(NETPTR net, unsigned short deleteNcols) { // the number of deleted c
6
7 ROWPTR rptr(nullptr);
8
9 if (net->get_net_cols() > 2) {
10 for (unsigned short col = 1; deleteNcols; col++) {
11 //opposite to insert
12 rptr = net->go_to_row(net, 1);
13 for (unsigned short row = 1; row <= net->get_net_rows(); row++) {//ok
14 rptr->get_backward_ptr()->get_previous_ptr()->set_next_ptr(nullptr); //pending in inse
15 rptr->get_backward_ptr()->set_previous_ptr(nullptr); //pending in insert
16
17 if (row == 1) {//ok
18 rptr->get_backward_ptr()->get_sw_ptr()->set_ne_ptr(nullptr);
19 rptr->get_backward_ptr()->set_sw_ptr(nullptr);
20
21 rptr->get_backward_ptr()->get_s_ptr()->set_n_ptr(nullptr);
22 rptr->get_backward_ptr()->set_s_ptr(nullptr);
23 }
24 else if (row == net->get_net_rows()) {//ok
25 rptr->get_backward_ptr()->get_n_ptr()->set_s_ptr(nullptr);
26 rptr->get_backward_ptr()->set_n_ptr(nullptr);
27
28 rptr->get_backward_ptr()->get_nw_ptr()->set_se_ptr(nullptr);
29 rptr->get_backward_ptr()->set_nw_ptr(nullptr);
30
31 }
32 else {
33 rptr->get_backward_ptr()->get_n_ptr()->set_s_ptr(nullptr);
34 rptr->get_backward_ptr()->set_n_ptr(nullptr);
35
36 rptr->get_backward_ptr()->get_nw_ptr()->set_se_ptr(nullptr);
37 rptr->get_backward_ptr()->set_nw_ptr(nullptr);
38
39 rptr->get_backward_ptr()->get_sw_ptr()->set_ne_ptr(nullptr);
40 rptr->get_backward_ptr()->set_sw_ptr(nullptr);
41
42 rptr->get_backward_ptr()->get_s_ptr()->set_n_ptr(nullptr);
43 rptr->get_backward_ptr()->set_s_ptr(nullptr);
44 }
45 rptr = rptr->get_down_ptr();
46 }
47 net->set_net_cols(net->get_net_cols() - 1);
48 if (net->get_net_cols() == 2) break; //limit has been reached
49 }
50 }
51 else { fout << "\n\tthere is already min lim of net cols reached --> 2 "; }
52 }
53 /***********END Net::colDeleteNet*****************/
| Previous | Low Latency Systematic Trading Algorithm | Next |
Comments
Post a Comment