Johannes Schindelin | 22d8733 | 2018-08-13 04:33:00 -0700 | [diff] [blame] | 1 | #ifndef LINEAR_ASSIGNMENT_H |
| 2 | #define LINEAR_ASSIGNMENT_H |
| 3 | |
| 4 | /* |
| 5 | * Compute an assignment of columns -> rows (and vice versa) such that every |
| 6 | * column is assigned to at most one row (and vice versa) minimizing the |
| 7 | * overall cost. |
| 8 | * |
| 9 | * The parameter `cost` is the cost matrix: the cost to assign column j to row |
| 10 | * i is `cost[j + column_count * i]. |
| 11 | * |
| 12 | * The arrays column2row and row2column will be populated with the respective |
| 13 | * assignments (-1 for unassigned, which can happen only if column_count != |
| 14 | * row_count). |
| 15 | */ |
| 16 | void compute_assignment(int column_count, int row_count, int *cost, |
| 17 | int *column2row, int *row2column); |
| 18 | |
| 19 | /* The maximal cost in the cost matrix (to prevent integer overflows). */ |
| 20 | #define COST_MAX (1<<16) |
| 21 | |
| 22 | #endif |