void test_empty_graph() { Graph *gg = gNew(); WalkOptions *wo = woNew(); CH *ch = get_contraction_hierarchies( gg, wo, 1 ); assert( gSize( ch->up ) == 0 ); assert( gSize( ch->down ) == 0 ); woDestroy( wo ); chDestroy( ch ); gDestroy( gg ); }
void test_simple_graph() { // create a simple graph with two vertices and one edge Graph *gg = gNew(); gAddVertex( gg, "A" ); gAddVertex( gg, "B" ); gAddEdge( gg, "A", "B", (EdgePayload*)streetNew( "AtoB", 10, 0 ) ); // create a contraction hierarchy of the graph WalkOptions *wo = woNew(); CH *ch = get_contraction_hierarchies( gg, wo, 1 ); // asserts assert( gSize( ch->up ) == 2 ); assert( gSize( ch->down ) == 2 ); // clean up woDestroy( wo ); chDestroy( ch ); gDestroy( gg ); }
//This should leak memory int main() { Graph* gg = gNew(); //Load up vertices FILE* fp = fopen("nodes.csv", "r"); char vertexid[40]; while( !feof( fp ) ) { fscanf(fp, "%s\n", &vertexid); gAddVertex(gg, vertexid); Vertex* vv = gGetVertex(gg, vertexid); } fclose( fp ); //Load up edges fp = fopen("map.csv", "r"); char via[20]; char from[20]; char to[20]; double length; while( !feof( fp ) ){ fscanf(fp, "%[^,],%[^,],%[^,],%lf\n", &via, &from, &to, &length); Street* ss = streetNew( via, length, 0 ); gAddEdge(gg, from, to, (EdgePayload*)ss); } fclose( fp ); WalkOptions *wo = woNew(); //Find a shortest-path tree int i=0; for(i=0; i<1; i++) { ShortestPathTree* spt; spt = gShortestPathTree(gg, "53204010", "bogus", stateNew(1,0), wo, 1000000, 100000, 100000); sptDestroy(spt); spt = gShortestPathTree(gg, "53116165", "bogus", stateNew(1,0), wo, 10000001, 100000, 100000); sptDestroy(spt); spt = gShortestPathTree(gg, "53157403", "bogus", stateNew(1,0), wo, 10000001, 100000, 100000); sptDestroy(spt); spt = gShortestPathTree(gg, "30279744", "bogus", stateNew(1,0), wo, 10000001, 100000, 100000); sptDestroy(spt); spt = gShortestPathTree(gg, "67539645", "bogus", stateNew(1,0), wo, 10000001, 100000, 100000); sptDestroy(spt); spt = gShortestPathTree(gg, "53217469", "bogus", stateNew(1,0), wo, 10000001, 100000, 100000); sptDestroy(spt); spt = gShortestPathTree(gg, "152264675", "bogus", stateNew(1,0), wo, 10000001, 100000, 100000); sptDestroy(spt); spt = gShortestPathTree(gg, "53062837", "bogus", stateNew(1,0), wo, 10000001, 100000, 100000); sptDestroy(spt); spt = gShortestPathTree(gg, "53190677", "bogus", stateNew(1,0), wo, 10000001, 100000, 100000); sptDestroy(spt); spt = gShortestPathTree(gg, "53108368", "bogus", stateNew(1,0), wo, 10000001, 100000, 100000); sptDestroy(spt); spt = gShortestPathTree(gg, "91264868", "bogus", stateNew(1,0), wo, 10000001, 100000, 100000); sptDestroy(spt); spt = gShortestPathTree(gg, "53145350", "bogus", stateNew(1,0), wo, 10000001, 100000, 100000); sptDestroy(spt); spt = gShortestPathTree(gg, "53156103", "bogus", stateNew(1,0), wo, 10000001, 100000, 100000); sptDestroy(spt); spt = gShortestPathTree(gg, "53139148", "bogus", stateNew(1,0), wo, 10000001, 100000, 100000); sptDestroy(spt); spt = gShortestPathTree(gg, "108423294", "bogus", stateNew(1,0), wo, 10000001, 100000, 100000); sptDestroy(spt); spt = gShortestPathTree(gg, "53114499", "bogus", stateNew(1,0), wo, 10000001, 100000, 100000); sptDestroy(spt); spt = gShortestPathTree(gg, "53110306", "bogus", stateNew(1,0), wo, 10000001, 100000, 100000); sptDestroy(spt); spt = gShortestPathTree(gg, "53132736", "bogus", stateNew(1,0), wo, 10000001, 100000, 100000); sptDestroy(spt); spt = gShortestPathTree(gg, "53103049", "bogus", stateNew(1,0), wo, 10000001, 100000, 100000); sptDestroy(spt); spt = gShortestPathTree(gg, "53178033", "bogus", stateNew(1,0), wo, 10000001, 100000, 100000); sptDestroy(spt); } gDestroy(gg); return 1; }
int main() { CALLGRIND_STOP_INSTRUMENTATION; printf("reading streets.out\n"); FILE* fp = fopen( "streets.out", "r" ); Graph* gg = gNew(); char from[20]; char to[20]; char via[20]; double length; while( !feof( fp ) ) { fscanf(fp, "%s %s %s %lf\n", &from, &to, &via, &length); gAddVertex( gg, from, NULL ); gAddVertex( gg, to, NULL ); gAddStreet( gg, from, to, via, length ); gAddStreet( gg, to, from, via, length ); } fclose( fp ); printf("reading busses.out\n"); int ct=0; fp = fopen( "busses.out", "r" ); int n; while( !feof( fp ) ) { if( ct%50 == 0 ) printf("%d\n", ct); fscanf(fp, "%s %s %d\n", &from, &to, &n); int departs[n]; int arrives[n]; char* trip_ids[n]; int* daymasks[n]; int i; for(i=0; i<n; i++) { trip_ids[i] = (char*)malloc(20*sizeof(char)); daymasks[i] = (int*)malloc(7*sizeof(int)); fscanf(fp, "%d %d %s %d %d %d %d %d %d %d\n", departs+i, arrives+i, trip_ids[i], daymasks[i]+0, daymasks[i]+1, daymasks[i]+2, daymasks[i]+3, daymasks[i]+4, daymasks[i]+5, daymasks[i]+6 ); } gAddVertex( gg, from, NULL); gAddVertex( gg, to, NULL); gAddTripHopSchedule( gg, from, to, departs, arrives, trip_ids, daymasks, n ); for(i=0; i<n; i++) { free(trip_ids[i]); free(daymasks[i]); } ct++; } fclose( fp ); printf("reading links.out\n"); fp = fopen( "links.out", "r" ); while( !feof( fp ) ) { fscanf(fp, "%s %s\n", &from, &to); gAddVertex( gg, from, NULL ); gAddVertex( gg, to, NULL ); gAddLink( gg, from, to ); gAddLink( gg, to, from ); } fclose( fp ); printf("graph loaded. Finding random path...\n"); long fsize, rsize; CALLGRIND_START_INSTRUMENTATION; // struct prev_entry **forward_route = gShortestPath( gg, "MTSP6083", "MTSP5253", 11432, 0, &fsize ); struct prev_entry **forward_route = gShortestPath( gg, "MTSP3500", "MTSP1", 29236, 1, &fsize ); printf( "--==--\n" ); struct prev_entry **retro_route = gShortestPath( gg, "MTSP3500", "MTSP1", 32667, 0, &rsize ); CALLGRIND_STOP_INSTRUMENTATION; printf("path n:%d, %d found\n", fsize, rsize); int i; for(i=0; i<fsize; i++) { struct prev_entry *link = forward_route[i]; printf("%s->%s\tdw: %ld\tt: %ld\tw: %ld\t via: %s\ttyp:%d\n", link->from, link->to, link->delta_weight, link->end_time, link->weight, link->desc, link->type); free(forward_route[i]); } free(forward_route); printf("--==--\n"); for(i=0; i<rsize; i++) { struct prev_entry *link = retro_route[i]; printf("%s->%s\tdw: %ld\tt: %ld\tw: %ld\tvia: %s\ttyp:%d\n", link->from, link->to, link->delta_weight, link->end_time, link->weight, link->desc, link->type); free(retro_route[i]); } free(retro_route); gDestroy( gg ); printf("success\n"); return 1; }