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stupid fix

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apparently I get an overflow with usize (equivalent to u64) and this fixes it
This commit is contained in:
René Fuhry 2023-05-31 23:18:19 +02:00 committed by GitHub
parent 6859855585
commit a70463e14f
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1 changed files with 3 additions and 3 deletions
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6
src/graph/matrix.rs
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@ -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>> { pub fn mult(matrix1: &Vec<Vec<usize>>, matrix2: &Vec<Vec<usize>>) -> Vec<Vec<usize>> {
let mut product: Vec<Vec<usize>> = vec![]; let mut product: Vec<Vec<usize>> = vec![];
let mut sum: usize; let mut sum: u128;
for i in 0..matrix1.len() { for i in 0..matrix1.len() {
product.push(vec![]); product.push(vec![]);
for j in 0..matrix1.len() { for j in 0..matrix1.len() {
sum = 0; sum = 0;
for k in 0..matrix1.len() { 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 product