X-Git-Url: https://www.fleuret.org/cgi-bin/gitweb/gitweb.cgi?p=mtp.git;a=blobdiff_plain;f=mtp_graph.h;h=33a29f51b690bc510bff5a46343ff5a22950d2bc;hp=1bfbe0cc2d854be916efa00bbd09601dd1b29885;hb=2228dec6631697204466df7e45b7ab3786f6308a;hpb=ecead8ae3e8f3fdc43f6f8b2d7327e253cdae637 diff --git a/mtp_graph.h b/mtp_graph.h index 1bfbe0c..33a29f5 100644 --- a/mtp_graph.h +++ b/mtp_graph.h @@ -26,7 +26,6 @@ #define MTP_GRAPH_H #include -#include using namespace std; @@ -37,6 +36,7 @@ class Vertex; class Edge; class MTPGraph { + // Uses the estimated vertex distances to the source to make all the // edge lengths positive, resulting in an identical added value to // all the paths from the same initial node to the same final node @@ -49,7 +49,7 @@ class MTPGraph { // the total correction when compiled in VERBOSE mode. void force_positivized_lengths(); - // Visit the vertices according to _dp_order and simply update their + // Visit the vertices according to _dp_order and update their // distance from the source void dp_compute_distances(); @@ -63,10 +63,6 @@ class MTPGraph { // nodes met along the path, and computes path->length properly. int retrieve_one_path(Edge *e, Path *path); - // Set the distance_from_source fields to the number of DP - // iterations needed to update it. Abort if the graph is not a DAG. - int compute_dp_distances(); - int _nb_vertices, _nb_edges; Vertex *_source, *_sink; @@ -75,12 +71,13 @@ class MTPGraph { // For Dijkstra Vertex **_heap; - int _heap_size; // Updating the distances from the source in that order will work in // the original graph (which has to be a DAG) Vertex **_dp_order; + // Fills _dp_order + void compute_dp_ordering(); public: // These variables are filled when retrieve_disjoint_paths is called