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authorAlexandre Jesus <adbjesus@gmail.com>2016-09-25 15:24:57 +0100
committerAlexandre Jesus <adbjesus@gmail.com>2016-09-25 15:24:57 +0100
commit5deedbbbf98e317ef3258ae637097a42ad7e9fd3 (patch)
treeabc7e29bb1d38b3eb593315f0765520a0b48c520 /src/main
parentab36da1ba07529c54c462906f4b2c2b305b84168 (diff)
downloadlibuknapsack-5deedbbbf98e317ef3258ae637097a42ad7e9fd3.tar.gz
libuknapsack-5deedbbbf98e317ef3258ae637097a42ad7e9fd3.zip
Online method
Diffstat (limited to 'src/main')
-rw-r--r--src/main/online.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/src/main/online.c b/src/main/online.c
new file mode 100644
index 0000000..ba8a94c
--- /dev/null
+++ b/src/main/online.c
@@ -0,0 +1,64 @@
+#include <stdio.h>
+#include <time.h>
+#include <stdlib.h>
+#include <string.h>
+#include "common.h"
+#include "structs.h"
+#include "dfs.h"
+#include "random_heuristic.h"
+#include "nem_ull.h"
+
+int main(int argc, char * argv[]){
+ struct data * data;
+ struct front_item * front = NULL;
+ struct online_return ret;
+
+ if(argc!=5){
+ printf("Wrong number of arguments!\n");
+ printf("Example usage: %s algorithm1 algorithm2 sort_method data_file\n",argv[0]);
+ return 0;
+ }
+
+ data = input(argv[4]);
+
+ /* Sort data */
+ srand(time(NULL));
+ if(strcmp(argv[3], "random") == 0) {
+ qsort(data->items, data->N, sizeof(struct item), cmp_items_random);
+ } else if(strcmp(argv[3], "ratio") == 0) {
+ qsort(data->items, data->N, sizeof(struct item), cmp_items_ratio);
+ }
+
+ clock_t t = clock();
+ /* Choose algorithm1 */
+ if(strcmp(argv[1], "dfs") == 0) {
+ ret = dfs_online(data, NULL, NULL, 20);
+ } else if(strcmp(argv[1], "random_heuristic") == 0) {
+ ret = random_heuristic_online(data, NULL, NULL);
+ }
+
+ /* Run algorithm2, if it hasn't finished yet*/
+ if(ret.tree!=NULL){
+ if(strcmp(argv[2], "dfs") == 0) {
+ ret = dfs_online(data, ret.front, ret.tree, 100);
+ } else if(strcmp(argv[2], "random_heuristic") == 0) {
+ ret = random_heuristic_online(data, ret.front, ret.tree);
+ }
+ }
+ front = ret.front;
+
+ /* Remove first item from front (only a placeholder) */
+ front=front->next;
+ free(front->prev);
+ front->prev = NULL;
+
+ t = clock() - t;
+ printf("%f,%d\n",((float)t)/CLOCKS_PER_SEC,len_front(front));
+
+ print_front(front);
+
+ free_front(front);
+ free_data(data);
+
+ return 0;
+}