From a70463e14f8766e098b755ed292e42205f306de9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ren=C3=A9=20Fuhry?= <rene.fuhry@gmail.com>
Date: Wed, 31 May 2023 23:18:19 +0200
Subject: [PATCH] stupid fix

apparently I get an overflow with usize (equivalent to u64) and this fixes it
---
 src/graph/matrix.rs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/graph/matrix.rs b/src/graph/matrix.rs
index f7d92a7..4f89513 100644
--- a/src/graph/matrix.rs
+++ b/src/graph/matrix.rs
@@ -18,16 +18,16 @@ pub fn fill_with_random(size: usize) -> Vec<Vec<usize>> {
 
 pub fn mult(matrix1: &Vec<Vec<usize>>, matrix2: &Vec<Vec<usize>>) -> Vec<Vec<usize>> {
     let mut product: Vec<Vec<usize>> = vec![];
-    let mut sum: usize;
+    let mut sum: u128;
 
     for i in 0..matrix1.len() {
         product.push(vec![]);
         for j in 0..matrix1.len() {
             sum = 0;
             for k in 0..matrix1.len() {
-                sum += matrix1[i][k] * matrix2[k][j];   
+                sum += (matrix1[i][k] * matrix2[k][j]) as u128;   
             }
-            product[i].push(sum);
+            product[i].push(sum as usize);
         }
     }
     product