refactor: Moved from T to Fractions

This commit is contained in:
2026-04-27 21:00:51 -06:00
parent d386838ec7
commit 5125e5c3c0
4 changed files with 74 additions and 550 deletions

2
Cargo.lock generated
View File

@@ -11,7 +11,7 @@ checksum = "c08606f8c3cbf4ce6ec8e28fb0014a2c086708fe954eaa885384a6165172e7e8"
[[package]] [[package]]
name = "fractions" name = "fractions"
version = "0.1.0" version = "0.1.0"
source = "git+https://laentropia-homelab.tail7368da.ts.net/laentropia/Rusty-Fractions.git?branch=main#e79d93aa9d20a90358789f872994bc8cefa2779e" source = "git+https://laentropia-homelab.tail7368da.ts.net/laentropia/Rusty-Fractions.git?branch=main#885bbfeebed047a62ef86eae5bcc44137e2ae127"
[[package]] [[package]]
name = "matrix" name = "matrix"

23
f
View File

@@ -1,23 +0,0 @@
commit 918815f5b1a997018bc83b9ec7d65dd3a7ca7bce (HEAD -> main)
Author: LaEntropiaa <aadrian887mh@gmail.com>
Date: Tue Aug 26 11:38:47 2025 -0600
Added sum and substract function
commit a0523d9ccb77f77184429638f33cc4adc1376a48
Author: LaEntropiaa <aadrian887mh@gmail.com>
Date: Thu Aug 21 11:45:42 2025 -0600
added display trait for matrix struct
commit 6b426fa1b0f9ebdbbf5e8c3b2eb2e435a053eca4
Author: LaEntropiaa <aadrian887mh@gmail.com>
Date: Wed Aug 20 10:32:43 2025 -0600
added get function
commit ef914ed0169305a120c16ad1e0c4927049af4c94
Author: LaEntropiaa <aadrian887mh@gmail.com>
Date: Sat Aug 9 16:19:53 2025 -0600
Initial comit, bases for matrix struct and creation

View File

@@ -1,41 +1,32 @@
use core::panic; use core::panic;
use fractions::Fraction; use fractions::Fraction;
use num_traits::{Float, Num, NumAssign, Signed}; use std::fmt::{Debug, Display};
use std::fmt::{self, Debug};
use std::ops::Add; use std::ops::Add;
use std::ops::Mul; use std::ops::Mul;
use std::ops::Sub; use std::ops::Sub;
#[derive(PartialEq, Eq, Debug)] #[derive(Debug, Eq, PartialEq)]
pub struct Matrix< pub enum MatrixError {
T: Num IndexOutOfRange,
+ NumAssign RowOutOfRange,
+ Signed ColumnOutOfRange,
+ Float NotSquared,
+ fmt::Display InvalidDataSize,
+ Copy InvalidSizeForAdd,
+ PartialEq InvalidSizeForSub,
+ Debug InvalidSizeForMul,
+ std::iter::Product<T>, ZeroSize,
> {
rows: usize,
columns: usize,
data: Vec<T>,
} }
impl< #[derive(PartialEq, Eq, Debug)]
T: Num pub struct Matrix {
+ NumAssign rows: usize,
+ Signed columns: usize,
+ Float data: Vec<Fraction>,
+ fmt::Display }
+ Copy
+ PartialEq impl Matrix {
+ Debug pub fn new(rows: usize, columns: usize, default: Fraction) -> Self {
+ std::iter::Product<T>,
> Matrix<T>
{
pub fn new(rows: usize, columns: usize, default: T) -> Self {
Self { Self {
rows, rows,
columns, columns,
@@ -43,7 +34,7 @@ impl<
} }
} }
pub fn get(&self, row: usize, column: usize) -> &T { pub fn get(&self, row: usize, column: usize) -> &Fraction {
if row >= self.rows || column >= self.columns { if row >= self.rows || column >= self.columns {
panic!("Index given is out of range.") panic!("Index given is out of range.")
} }
@@ -53,7 +44,7 @@ impl<
return &self.data[index]; return &self.data[index];
} }
pub fn get_row(&self, row: usize) -> Vec<T> { pub fn get_row(&self, row: usize) -> Vec<Fraction> {
if row >= self.rows { if row >= self.rows {
panic!("Row index is out of bounds."); panic!("Row index is out of bounds.");
} }
@@ -69,7 +60,7 @@ impl<
return data; return data;
} }
pub fn get_column(&self, column: usize) -> Vec<T> { pub fn get_column(&self, column: usize) -> Vec<Fraction> {
if column >= self.columns { if column >= self.columns {
panic!("Column index is out of bounds."); panic!("Column index is out of bounds.");
} }
@@ -84,14 +75,14 @@ impl<
return data; return data;
} }
pub fn get_diagonal(&self) -> Vec<T> { pub fn get_diagonal(&self) -> Vec<Fraction> {
if self.columns != self.rows { if self.columns != self.rows {
panic!("The matrix needs to be squared for getting diagonal.") panic!("The matrix needs to be squared for getting diagonal.")
} }
let mut data = Vec::new(); let mut data = Vec::new();
let mut index = 0; let mut index;
for i in 0..self.columns { for i in 0..self.columns {
index = i + (i * self.columns); index = i + (i * self.columns);
data.push(self.data[index]); data.push(self.data[index]);
@@ -99,7 +90,7 @@ impl<
return data; return data;
} }
pub fn set(&mut self, row: usize, column: usize, data: T) -> () { pub fn set(&mut self, row: usize, column: usize, data: Fraction) -> () {
if row >= self.rows || column >= self.columns { if row >= self.rows || column >= self.columns {
panic!("Index given is out of range.") panic!("Index given is out of range.")
} }
@@ -110,7 +101,7 @@ impl<
return; return;
} }
pub fn set_row(&mut self, row: usize, data: Vec<T>) -> () { pub fn set_row(&mut self, row: usize, data: Vec<Fraction>) -> () {
if row >= self.rows { if row >= self.rows {
panic!("Row index given is out of bounds.") panic!("Row index given is out of bounds.")
} }
@@ -123,7 +114,7 @@ impl<
} }
} }
pub fn set_column(&mut self, column: usize, data: Vec<T>) -> () { pub fn set_column(&mut self, column: usize, data: Vec<Fraction>) -> () {
if column >= self.columns { if column >= self.columns {
panic!("Column index given is out of bouds.") panic!("Column index given is out of bouds.")
} }
@@ -167,7 +158,7 @@ impl<
} }
} }
pub fn get_determinant(&self) -> T { pub fn get_determinant(&self) -> Fraction {
if self.rows != self.columns { if self.rows != self.columns {
panic!("Only nxn matrixes can have a determinant."); panic!("Only nxn matrixes can have a determinant.");
} }
@@ -177,65 +168,66 @@ impl<
rows: self.rows, rows: self.rows,
data: self.data.clone(), data: self.data.clone(),
}; };
let mut sign = T::one(); let mut sign = Fraction::new(1, 1).unwrap();
for i in 0..self.columns { for i in 0..self.columns {
let mut pivot = *trig_matrix.get(i, i); let mut max_row = i;
let mut max_value = trig_matrix.get(i, i).abs();
// Assign x to next row // We do parcial pivoting to avoid getting insane
let mut x = i + 1; // numbers that may result in overflow with fractions
while pivot.is_zero() && x < self.rows { for r in (i + 1)..self.rows {
if !trig_matrix.get(x, i).is_zero() { let val = trig_matrix.get(r, i).abs();
trig_matrix.exchange_rows(x, i); if val > max_value {
max_value = val;
max_row = r;
}
}
// If there ain't no other thing but 0 then we're
// fucked, determinant is zero
if max_value.is_zero() {
return Fraction::new(0, 1).unwrap();
}
if max_row != i {
trig_matrix.exchange_rows(i, max_row);
sign = -sign; sign = -sign;
pivot = *trig_matrix.get(i, i);
break;
}
x += 1;
}
// If even exchanging in all ways posible pivot is still 0
// then determinant is 0
if pivot.is_zero() {
return T::zero();
} }
//So, we got the pivot, now we evaluate to 0 to create the let pivot = *trig_matrix.get(i, i);
//triangular matrix
x = i + 1; // The main gaussian elimination, not even I remember how
while x < trig_matrix.rows { // i did it in such a asimple way
let m = *trig_matrix.get(x, i) / pivot; for x in (i + 1)..trig_matrix.rows {
let m = (*trig_matrix.get(x, i) / pivot).unwrap();
let new_row = trig_matrix let new_row = trig_matrix
.get_row(x) .get_row(x)
.iter() .iter()
.zip(trig_matrix.get_row(i).iter()) .zip(trig_matrix.get_row(i).iter())
.map(|(a, b)| *a - m * *b) .map(|(a, b)| *a - m * *b)
.collect::<Vec<T>>(); .collect::<Vec<Fraction>>();
trig_matrix.set_row(x, new_row); trig_matrix.set_row(x, new_row);
x += 1;
} }
} }
// YES, now we got ourselves a triangular matrix, now we just // YES, now we got ourselves a triangular matrix, now we just
// take the product of the diagonal and multiply by sign, that's // take the product of the diagonal and multiply by sign, that's
// the determinant :) // the determinant :)
let determinant = sign * trig_matrix.get_diagonal().iter().copied().product::<T>(); let determinant = sign
* trig_matrix
.get_diagonal()
.iter()
.copied()
.fold(Fraction::from(1i64), |acc, x| acc * x);
return determinant; return determinant;
} }
} }
impl< impl Add for Matrix {
T: Num
+ NumAssign
+ Signed
+ Float
+ fmt::Display
+ Copy
+ PartialEq
+ Debug
+ std::iter::Product<T>,
> Add for Matrix<T>
{
type Output = Self; type Output = Self;
fn add(self, other: Self) -> Self::Output { fn add(self, other: Self) -> Self::Output {
@@ -256,18 +248,7 @@ impl<
} }
} }
impl< impl Sub for Matrix {
T: Num
+ NumAssign
+ Signed
+ Float
+ fmt::Display
+ Copy
+ PartialEq
+ Debug
+ std::iter::Product<T>,
> Sub for Matrix<T>
{
type Output = Self; type Output = Self;
fn sub(self, other: Self) -> Self::Output { fn sub(self, other: Self) -> Self::Output {
@@ -288,18 +269,7 @@ impl<
} }
} }
impl< impl Mul for Matrix {
T: Num
+ NumAssign
+ Signed
+ Float
+ fmt::Display
+ Copy
+ PartialEq
+ Debug
+ std::iter::Product<T>,
> Mul for Matrix<T>
{
type Output = Self; type Output = Self;
fn mul(self, other: Self) -> Self::Output { fn mul(self, other: Self) -> Self::Output {
@@ -307,15 +277,15 @@ impl<
panic!("Matrix dimentions are inadecuate."); panic!("Matrix dimentions are inadecuate.");
} }
let mut new_data: Vec<T> = Vec::new(); let mut new_data: Vec<Fraction> = Vec::new();
for i in 0..self.rows { for i in 0..self.rows {
let current_row = self.get_row(i); let current_row = self.get_row(i);
for k in 0..other.columns { for k in 0..other.columns {
let current_column = other.get_column(k); let current_column = other.get_column(k);
let mut new_value = T::zero(); let mut new_value = Fraction::new(0, 1).unwrap();
for (a, b) in current_row.iter().zip(current_column.iter()) { for (a, b) in current_row.iter().zip(current_column.iter()) {
new_value += *a * *b; new_value = new_value + (*a * *b);
} }
new_data.push(new_value); new_data.push(new_value);
} }
@@ -329,18 +299,7 @@ impl<
} }
} }
impl< impl Display for Matrix {
T: Num
+ NumAssign
+ Signed
+ Float
+ fmt::Display
+ Copy
+ PartialEq
+ Debug
+ std::iter::Product<T>,
> fmt::Display for Matrix<T>
{
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
let mut display = String::new(); let mut display = String::new();
let mut index = 0; let mut index = 0;
@@ -359,411 +318,4 @@ impl<
#[cfg(test)] #[cfg(test)]
mod tests { mod tests {
use super::*; use super::*;
#[test]
fn sum_two_matrix_1() {
let mut matrix1 = Matrix::new(4, 4, 2.0);
let matrix2 = Matrix::new(4, 4, 3.0);
let result_matrix = Matrix::new(4, 4, 5.0);
matrix1 = matrix1 + matrix2;
assert_eq!(matrix1, result_matrix);
}
#[test]
fn sum_two_matrix_2() {
let mut matrix1 = Matrix::new(4, 4, 2.0);
let mut matrix2 = Matrix::new(4, 4, 0.0);
let mut result_matrix = Matrix::new(4, 4, 2.0);
result_matrix.set(0, 0, 9.0);
matrix2.set(0, 0, 7.0);
matrix1 = matrix1 + matrix2;
assert_eq!(matrix1, result_matrix);
}
#[test]
#[should_panic]
fn sum_two_matrix_3() {
let mut matrix1 = Matrix::new(4, 4, 2.0);
let matrix2 = Matrix::new(4, 5, 0.0);
matrix1 = matrix1 + matrix2;
}
#[test]
fn substract_two_matrix_1() {
let mut matrix1 = Matrix::new(4, 4, 2.0);
let matrix2 = Matrix::new(4, 4, 3.0);
let result_matrix = Matrix::new(4, 4, -1.0);
matrix1 = matrix1 - matrix2;
assert_eq!(matrix1, result_matrix);
}
#[test]
fn substract_two_matrix_2() {
let mut matrix1 = Matrix::new(4, 4, 2.0);
let mut matrix2 = Matrix::new(4, 4, 0.0);
let mut result_matrix = Matrix::new(4, 4, 2.0);
result_matrix.set(0, 0, -5.0);
matrix2.set(0, 0, 7.0);
matrix1 = matrix1 - matrix2;
assert_eq!(matrix1, result_matrix);
}
#[test]
#[should_panic]
fn substract_two_matrix_3() {
let mut matrix1 = Matrix::new(4, 4, 2.0);
let matrix2 = Matrix::new(4, 5, 0.0);
matrix1 = matrix1 - matrix2;
}
#[test]
fn get_row_1() {
let mut matrix1 = Matrix::new(3, 4, 0.0);
matrix1.set(0, 0, 8.0);
matrix1.set(0, 1, 7.0);
matrix1.set(0, 2, 9.0);
matrix1.set(0, 3, 6.0);
let data = vec![8.0, 7.0, 9.0, 6.0];
assert_eq!(matrix1.get_row(0), data);
}
#[test]
fn get_row_2() {
let mut matrix1 = Matrix::new(3, 4, 0.0);
matrix1.set(2, 0, 8.0);
matrix1.set(2, 1, 7.0);
matrix1.set(2, 2, 9.0);
matrix1.set(2, 3, 6.0);
let data = vec![8.0, 7.0, 9.0, 6.0];
assert_eq!(matrix1.get_row(2), data);
}
#[test]
#[should_panic]
fn get_row_3() {
let matrix1 = Matrix::new(3, 4, 0.0);
let _data = matrix1.get_row(4);
}
#[test]
fn get_column_1() {
let mut matrix1 = Matrix::new(4, 3, 0.0);
matrix1.set(0, 0, 8.0);
matrix1.set(1, 0, 7.0);
matrix1.set(2, 0, 9.0);
matrix1.set(3, 0, 6.0);
let data = vec![8.0, 7.0, 9.0, 6.0];
assert_eq!(matrix1.get_column(0), data);
}
#[test]
fn get_column_2() {
let mut matrix1 = Matrix::new(4, 3, 0.0);
matrix1.set(0, 2, 8.0);
matrix1.set(1, 2, 7.0);
matrix1.set(2, 2, 9.0);
matrix1.set(3, 2, 6.0);
let data = vec![8.0, 7.0, 9.0, 6.0];
assert_eq!(matrix1.get_column(2), data);
}
#[test]
#[should_panic]
fn get_column_3() {
let matrix1 = Matrix::new(4, 4, 0.0);
let _data = matrix1.get_column(4);
}
#[test]
fn mult_matrix_1() {
let mut matrix1 = Matrix::new(4, 4, 2.0);
let matrix2 = Matrix::new(4, 4, 2.0);
let result_matrix = Matrix::new(4, 4, 16.0);
matrix1 = matrix1 * matrix2;
assert_eq!(matrix1, result_matrix);
}
#[test]
fn mult_matrix_2() {
let mut matrix1 = Matrix::new(4, 4, 2.0);
let mut matrix2 = Matrix::new(4, 3, 4.0);
let mut result_matrix = Matrix::new(4, 3, 0.0);
matrix1.set(0, 0, 6.0);
matrix1.set(0, 1, 8.0);
matrix1.set(0, 2, 9.0);
matrix1.set(0, 3, 5.0);
matrix1.set(1, 0, 3.0);
matrix1.set(1, 1, 8.0);
matrix1.set(1, 2, 4.0);
matrix1.set(1, 3, 7.0);
matrix1.set(2, 0, 4.0);
matrix1.set(2, 1, 5.0);
matrix1.set(2, 2, 6.0);
matrix1.set(2, 3, 4.0);
matrix1.set(3, 0, 6.0);
matrix1.set(3, 1, 2.0);
matrix1.set(3, 2, 2.0);
matrix1.set(3, 3, 9.0);
matrix2.set(0, 0, 7.0);
matrix2.set(0, 1, 6.0);
matrix2.set(0, 2, 1.0);
matrix2.set(1, 0, 6.0);
matrix2.set(1, 1, 4.0);
matrix2.set(1, 2, 8.0);
matrix2.set(2, 0, 3.0);
matrix2.set(2, 1, 0.0);
matrix2.set(2, 2, 6.0);
matrix2.set(3, 0, 1.0);
matrix2.set(3, 1, 1.0);
matrix2.set(3, 2, 1.0);
result_matrix.set(0, 0, 122.0);
result_matrix.set(0, 1, 73.0);
result_matrix.set(0, 2, 129.0);
result_matrix.set(1, 0, 88.0);
result_matrix.set(1, 1, 57.0);
result_matrix.set(1, 2, 98.0);
result_matrix.set(2, 0, 80.0);
result_matrix.set(2, 1, 48.0);
result_matrix.set(2, 2, 84.0);
result_matrix.set(3, 0, 69.0);
result_matrix.set(3, 1, 53.0);
result_matrix.set(3, 2, 43.0);
matrix1 = matrix1 * matrix2;
assert_eq!(result_matrix, matrix1);
}
#[test]
fn exchange_rows_1() {
let mut matrix = Matrix::new(3, 4, 5.0);
matrix.set(0, 0, 1.0);
matrix.set(0, 1, 2.0);
matrix.set(0, 2, 3.0);
matrix.set(0, 3, 4.0);
matrix.set(1, 0, 5.0);
matrix.set(1, 1, 6.0);
matrix.set(1, 2, 7.0);
matrix.set(1, 3, 8.0);
matrix.exchange_rows(0, 1);
let row1 = vec![1.0, 2.0, 3.0, 4.0];
let row2 = vec![5.0, 6.0, 7.0, 8.0];
assert_eq!(row1, matrix.get_row(1));
assert_eq!(row2, matrix.get_row(0));
}
#[test]
fn exchange_rows_2() {
let mut matrix = Matrix::new(3, 4, 5.0);
matrix.set(0, 0, 1.0);
matrix.set(0, 1, 2.0);
matrix.set(0, 2, 3.0);
matrix.set(0, 3, 4.0);
matrix.set(2, 0, 5.0);
matrix.set(2, 1, 6.0);
matrix.set(2, 2, 7.0);
matrix.set(2, 3, 8.0);
matrix.exchange_rows(0, 2);
let row1 = vec![1.0, 2.0, 3.0, 4.0];
let row2 = vec![5.0, 6.0, 7.0, 8.0];
assert_eq!(row1, matrix.get_row(2));
assert_eq!(row2, matrix.get_row(0));
}
#[test]
fn exchange_columns_1() {
let mut matrix = Matrix::new(3, 4, 5.0);
matrix.set(0, 0, 1.0);
matrix.set(1, 0, 2.0);
matrix.set(2, 0, 3.0);
matrix.set(0, 1, 4.0);
matrix.set(1, 1, 5.0);
matrix.set(2, 1, 6.0);
matrix.exchange_columns(0, 1);
let column1 = vec![1.0, 2.0, 3.0];
let column2 = vec![4.0, 5.0, 6.0];
assert_eq!(column1, matrix.get_column(1));
assert_eq!(column2, matrix.get_column(0));
}
#[test]
fn exchange_columns_2() {
let mut matrix = Matrix::new(3, 4, 5.0);
matrix.set(0, 0, 1.0);
matrix.set(1, 0, 2.0);
matrix.set(2, 0, 3.0);
matrix.set(0, 3, 4.0);
matrix.set(1, 3, 5.0);
matrix.set(2, 3, 6.0);
matrix.exchange_columns(0, 3);
let column1 = vec![1.0, 2.0, 3.0];
let column2 = vec![4.0, 5.0, 6.0];
assert_eq!(column1, matrix.get_column(3));
assert_eq!(column2, matrix.get_column(0));
}
#[test]
fn set_row_1() {
let mut matrix = Matrix::new(3, 4, 5.0);
let vec1 = vec![1.0, 2.0, 3.0, 4.0];
matrix.set_row(0, vec1);
let vec2 = vec![1.0, 2.0, 3.0, 4.0];
let row = matrix.get_row(0);
assert_eq!(row, vec2);
}
#[test]
fn set_row_2() {
let mut matrix = Matrix::new(3, 4, 5.0);
let vec1 = vec![1.0, 2.0, 3.0, 4.0];
matrix.set_row(2, vec1);
let vec2 = vec![1.0, 2.0, 3.0, 4.0];
let row = matrix.get_row(2);
assert_eq!(row, vec2);
}
#[test]
fn set_column_1() {
let mut matrix = Matrix::new(3, 4, 5.0);
let vec1 = vec![1.0, 2.0, 3.0];
matrix.set_column(0, vec1);
let vec2 = vec![1.0, 2.0, 3.0];
let column = matrix.get_column(0);
assert_eq!(column, vec2);
}
#[test]
fn set_column_2() {
let mut matrix = Matrix::new(3, 4, 5.0);
let vec1 = vec![1.0, 2.0, 3.0];
matrix.set_column(3, vec1);
let vec2 = vec![1.0, 2.0, 3.0];
let column = matrix.get_column(3);
assert_eq!(column, vec2);
}
#[test]
fn get_diagonal_1() {
let mut matrix = Matrix::new(3, 3, 8.0);
matrix.set(0, 0, 1.0);
matrix.set(1, 1, 2.0);
matrix.set(2, 2, 3.0);
let vec1 = vec![1.0, 2.0, 3.0];
assert_eq!(matrix.get_diagonal(), vec1);
}
#[test]
fn get_diagonal_2() {
let mut matrix = Matrix::new(4, 4, 8.0);
matrix.set(0, 0, 1.0);
matrix.set(1, 1, 2.0);
matrix.set(2, 2, 3.0);
matrix.set(3, 3, 4.0);
let vec1 = vec![1.0, 2.0, 3.0, 4.0];
assert_eq!(matrix.get_diagonal(), vec1);
}
#[test]
fn get_determinant_1() {
let mut matrix = Matrix::new(2, 2, 0.0);
matrix.set(0, 0, 2.0);
matrix.set(1, 0, 4.0);
matrix.set(0, 1, 3.0);
matrix.set(1, 1, 5.0);
assert_eq!(matrix.get_determinant(), -2.0);
}
#[test]
fn get_determinant_2() {
let mut matrix = Matrix::new(3, 3, 0.0);
matrix.set(0, 0, 3.0);
matrix.set(1, 0, 4.0);
matrix.set(2, 0, 7.0);
matrix.set(0, 1, 2.0);
matrix.set(1, 1, 5.0);
matrix.set(2, 1, 8.0);
matrix.set(0, 2, 1.0);
matrix.set(1, 2, 6.0);
matrix.set(2, 2, 9.0);
assert_eq!(matrix.get_determinant(), 0.0);
}
#[test]
fn get_determinant_3() {
let mut matrix = Matrix::new(3, 3, 0.0);
matrix.set(0, 0, 0.0);
matrix.set(1, 0, 1.0);
matrix.set(2, 0, 2.0);
matrix.set(0, 1, 2.0);
matrix.set(1, 1, 3.0);
matrix.set(2, 1, 1.0);
matrix.set(0, 2, 1.0);
matrix.set(1, 2, 4.0);
matrix.set(2, 2, 3.0);
assert_eq!(matrix.get_determinant(), 5.0);
}
#[test]
fn get_determinant_4() {
let mut matrix = Matrix::new(3, 3, 0.0);
matrix.set(0, 0, 2.0);
matrix.set(1, 0, 0.0);
matrix.set(2, 0, 1.0);
matrix.set(0, 1, 3.0);
matrix.set(1, 1, 4.0);
matrix.set(2, 1, 0.0);
matrix.set(0, 2, 5.0);
matrix.set(1, 2, 1.0);
matrix.set(2, 2, 6.0);
assert_eq!(matrix.get_determinant(), 31.0);
}
} }

View File

@@ -1,8 +1,3 @@
use matrix::Matrix;
fn main() { fn main() {
println!("Hola mundo que rollo wey"); println!("Hola mundo que rollo wey");
let mut matriz1 = Matrix::new(10, 15, 0.0);
matriz1.set(5, 5, 40.0);
println!("{}", matriz1);
} }