Revision 20, 1.1 KB
(checked in by ahe, 16 years ago)
|
adding search statement
|
Rev | Line | |
---|
[16] | 1 | // |
---|
| 2 | // |
---|
| 3 | // |
---|
| 4 | |
---|
| 5 | #include <stdio.h> |
---|
| 6 | #include "cbr.h" |
---|
| 7 | |
---|
| 8 | int main() { |
---|
| 9 | unsigned int num_cols = 7; |
---|
| 10 | char * cols[] = { |
---|
| 11 | "BER", "throughput", |
---|
| 12 | "mod_scheme", "tx_power", |
---|
| 13 | "noise_power", "path_loss", |
---|
| 14 | "utility" |
---|
| 15 | }; |
---|
| 16 | float vals[num_cols]; |
---|
[20] | 17 | vals[0] = 1e-3f; // BER |
---|
| 18 | vals[1] = 10e3f; // throughput |
---|
| 19 | vals[2] = 1; // mod_scheme |
---|
| 20 | vals[3] = -3.0f; // tx_power |
---|
| 21 | vals[4] = -50.0f; // noise_power |
---|
| 22 | vals[5] = 125.0f; // path_loss |
---|
| 23 | vals[6] = 0.762; // utility |
---|
[16] | 24 | int rc; |
---|
| 25 | |
---|
[18] | 26 | // create cbr database/table |
---|
[16] | 27 | cbr mycbr = cbr_create("ex1", "data", cols, num_cols); |
---|
| 28 | |
---|
| 29 | // add row here |
---|
| 30 | rc = cbr_add_row(mycbr, cols, vals, num_cols); |
---|
| 31 | |
---|
| 32 | // print |
---|
| 33 | cbr_print(mycbr); |
---|
| 34 | |
---|
[20] | 35 | // simple search: find entry where... |
---|
| 36 | // BER < 1e-2 and path_loss > 100 |
---|
| 37 | char * search_names[] = {"BER", "path_loss"}; |
---|
| 38 | int search_ops[] = {LT, GT}; |
---|
| 39 | float search_vals[] = {1e-2f, 100.f}; |
---|
| 40 | float retvals[num_cols]; |
---|
| 41 | rc = cbr_search(mycbr, search_names, search_ops, search_vals, 2, retvals); |
---|
| 42 | |
---|
[16] | 43 | // clean up |
---|
| 44 | cbr_free(mycbr); |
---|
| 45 | |
---|
| 46 | printf("done.\n"); |
---|
| 47 | return 0; |
---|
| 48 | } |
---|
| 49 | |
---|