add initialize

main.c

@@ -14,48 +14,30 @@ void apply_shift(int, int *, int);
 
 int sum_array(int *, int);
 
-int main() {
+void initialize();
-    int rank, size, private_text_len, text_len, pattern_len;
+
+int rank, size;
+int text_len;       // length of all text
+int private_text_len;   // length of private text
+int pattern_len;    //length of the pattern
+char *text;
+char *pattern;
+int remain = 0;
 int *text_piece;
+int *displacements;
+
+int main() {
     int *match_numbers;
     int *total_matches;
     int total_match_number;
-    int *displacements;
-    int remain = 0;
-    char *pattern, *text;
 
     MPI_Init(NULL, NULL);
 
     MPI_Comm_size(MPI_COMM_WORLD, &size);
     MPI_Comm_rank(MPI_COMM_WORLD, &rank);
 
-    if (rank == MASTER) {
+    if (rank == MASTER)
-        text = "text";//read_file("data/text.txt", &text_len);
+        initialize();
-        pattern = "pattern";//read_file("data/pattern.txt", &pattern_len);
-
-        text_len = strlen(text);
-        pattern_len = strlen(pattern);
-
-        printf("text: %s\n", text);
-        printf("pattern: %s\n", pattern);
-
-        private_text_len = text_len / size;
-        remain = text_len % size;
-
-        if (pattern_len > private_text_len)
-            MPI_Abort(MPI_COMM_WORLD, 1);
-
-        text_piece = (int *) malloc(sizeof(int) * size);
-        displacements = (int *) malloc(sizeof(int) * size);
-
-        displacements[0] = 0;
-        for (int i = 0; i < size - 1; ++i) {
-            text_piece[i] = private_text_len;
-            displacements[i + 1] = displacements[i] + private_text_len;
-        }
-
-        text_piece[size - 1] = private_text_len + remain;
-    }
 
     MPI_Scatter(text_piece, 1, MPI_INT, &private_text_len, 1, MPI_INT, MASTER, MPI_COMM_WORLD);
 
@@ -72,6 +54,7 @@ int main() {
 
     printf("%d -> input: %s\n", rank, private_text);
     printf("%d -> text len: %d\n", rank, private_text_len);
+    printf("%d -> text len_: %d\n", rank, strlen(private_text));
 
     MPI_Bcast(&pattern_len, 1, MPI_INT, MASTER, MPI_COMM_WORLD);
 
@@ -155,6 +138,34 @@ void find_end(int residue, char *pattern, char *text, int **matches, int *match_
     (*matches)[*match_number - 1] = -residue;
 }
 
+void initialize() {
+    text = "questo è un test di esempio. Qui c'è la prima occorenza mamma e qui la seconda mamma";//read_file("data/text.txt", &text_len);
+    pattern = "mamma";//read_file("data/pattern.txt", &pattern_len);
+
+    text_len = strlen(text);
+    pattern_len = strlen(pattern);
+
+    printf("text: %s\n", text);
+    printf("pattern: %s\n", pattern);
+
+    private_text_len = text_len / size;
+    remain = text_len % size;
+
+    if (pattern_len > private_text_len)
+        MPI_Abort(MPI_COMM_WORLD, 1);
+
+    text_piece = (int *) malloc(sizeof(int) * size);
+    displacements = (int *) malloc(sizeof(int) * size);
+
+    displacements[0] = 0;
+    for (int i = 0; i < size - 1; ++i) {
+        text_piece[i] = private_text_len;
+        displacements[i + 1] = displacements[i] + private_text_len;
+    }
+
+    text_piece[size - 1] = private_text_len + remain;
+}
+
 void apply_shift(int shift, int *array, int size) {
     for (int i = 0; i < size; ++i) {
         array[i] += shift;