22 lines
736 B
C
22 lines
736 B
C
#ifndef LINEAR_ASSIGNMENT_H
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#define LINEAR_ASSIGNMENT_H
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/*
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* Compute an assignment of columns -> rows (and vice versa) such that every
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* column is assigned to at most one row (and vice versa) minimizing the
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* overall cost.
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*
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* The parameter `cost` is the cost matrix: the cost to assign column j to row
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* i is `cost[j + column_count * i].
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*
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* The arrays column2row and row2column will be populated with the respective
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* assignments (-1 for unassigned, which can happen only if column_count !=
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* row_count).
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*/
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void compute_assignment(int column_count, int row_count, int *cost,
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int *column2row, int *row2column);
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/* The maximal cost in the cost matrix (to prevent integer overflows). */
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#define COST_MAX (1<<16)
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#endif
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