cringe

src/graph.rs

@@ -108,14 +108,16 @@ pub fn calculate_properties(exzentrizitaeten: &Vec<usize>) -> (usize, usize, Vec
 pub fn find_components(weg_matrix: &Vec<Vec<usize>>) -> Vec<Vec<usize>> {
     let mut components: Vec<Vec<usize>> = vec![];
     let mut component: Vec<usize>;
+    let mut i: usize;
 
-    for i in 0..weg_matrix.len() {
+    for array in weg_matrix.iter() {
         component = vec![];
-
-        for j in 0..weg_matrix.len() {
-            if weg_matrix[i][j] == 1 {
-                component.push(j + 1);
+        i = 1;
+        for value in array.iter() {
+            if value == &1 {
+                component.push(i);
             }
+            i += 1;
         }
         if !components.contains(&component) {
             components.push(component);

src/graph/matrix.rs

@@ -22,8 +22,10 @@ pub fn mult(matrix1: &Vec<Vec<usize>>, matrix2: &Vec<Vec<usize>>) -> Vec<Vec<usi
     let mut sum: u128;
 
     for i in 0..matrix1.len() {
-        product.push(vec![]);
         for j in 0..matrix1.len() {
+            if i == 0 {
+                product.push(vec![]);
+            }
             sum = 0;
             for k in 0..matrix1.len() {
                 sum += (matrix1[i][k] * matrix2[k][j]) as u128;   
@@ -43,7 +45,7 @@ pub fn show(matrix: &Vec<Vec<usize>>) {
     }
 }
 
-pub fn read_csv(file_name: String) -> Vec<Vec<usize>> {
+pub fn read_csv(file_name: &str) -> Vec<Vec<usize>> {
     let mut matrix: Vec<Vec<usize>> = vec![];
     let dir: String = String::from("/home/rene/projects/Java/graphprogram/csv/");
     let file_path = dir + &file_name;

src/lib.rs

@@ -6,7 +6,7 @@ mod tests {
 
     #[test]
     fn graph() {
-        let mut adjazenz_matrix: Vec<Vec<usize>> = read_csv("art-brck.csv".to_owned());
+        let mut adjazenz_matrix: Vec<Vec<usize>> = read_csv("art-brck.csv");
         let distanz_matrix: Vec<Vec<usize>> = calculate_distanz_matrix(&adjazenz_matrix);
         let weg_matrix: Vec<Vec<usize>> = calculate_weg_matrix(&adjazenz_matrix);
         let exzentrizitaeten: Vec<usize> = calculate_exzentrizitaeten(&distanz_matrix);
@@ -47,7 +47,7 @@ mod tests {
 
     #[test]
     fn matrix() {
-        let adjazenz_matrix: Vec<Vec<usize>> = read_csv("art-brck.csv".to_owned());
+        let adjazenz_matrix: Vec<Vec<usize>> = read_csv("art-brck.csv");
         
         assert_eq!(adjazenz_matrix, vec![
             vec![0, 0, 1, 1, 0],

src/main.rs

@@ -3,8 +3,7 @@ use crate::graph::{*, matrix::*};
 pub mod graph;
 
 pub fn main() {
-    let file_name = String::from("art-brck.csv");
-
+    let file_name = "24n.csv";
     let mut adjazenz_matrix: Vec<Vec<usize>> = read_csv(file_name);
     //let mut adjazenz_matrix: Vec<Vec<usize>> = fill_with_random(100);
     let distanz_matrix: Vec<Vec<usize>> = calculate_distanz_matrix(&adjazenz_matrix);