mirror of https://github.com/01-edu/public.git
Augusto
4 years ago
4 changed files with 121 additions and 0 deletions
@ -0,0 +1,19 @@
|
||||
# This file is automatically @generated by Cargo. |
||||
# It is not intended for manual editing. |
||||
[[package]] |
||||
name = "lalgebra_scalar" |
||||
version = "0.1.0" |
||||
|
||||
[[package]] |
||||
name = "lalgebra_vector" |
||||
version = "0.1.0" |
||||
dependencies = [ |
||||
"lalgebra_scalar", |
||||
] |
||||
|
||||
[[package]] |
||||
name = "lalgebra_vector_test" |
||||
version = "0.1.0" |
||||
dependencies = [ |
||||
"lalgebra_vector", |
||||
] |
@ -0,0 +1,10 @@
|
||||
[package] |
||||
name = "lalgebra_vector_test" |
||||
version = "0.1.0" |
||||
authors = ["Augusto <aug.ornelas@gmail.com>"] |
||||
edition = "2018" |
||||
|
||||
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html |
||||
|
||||
[dependencies] |
||||
lalgebra_vector = { path = "../../../../rust-piscine-solutions/lalgebra_vector"} |
@ -0,0 +1,41 @@
|
||||
// A vector in linear algebra is define as "anything that can be added
|
||||
// and that can be multiplied by a scalar"
|
||||
// And the associated function dot that calculates the dot product
|
||||
// between two vectors
|
||||
// let vector = Vector(vec![0,3, 4]);
|
||||
// let vector_1 = Vector(vec![0,3,3]);
|
||||
// vector.dot(&vector_1) == Some(23);
|
||||
|
||||
// The dot product between two vectors of different length it's not defined
|
||||
|
||||
use lalgebra_vector::Vector; |
||||
|
||||
fn main() { |
||||
let vector_1: Vector<i64> = Vector(vec![1, 3, -5]); |
||||
let vector_2: Vector<i64> = Vector(vec![4, -2, -1]); |
||||
println!("{:?}", vector_1.dot(&vector_2)); |
||||
println!("{:?}", vector_1 + &vector_2); |
||||
} |
||||
|
||||
#[test] |
||||
fn dot_product() { |
||||
let vector_1: Vector<i64> = Vector(vec![1, 3, -5]); |
||||
let vector_2: Vector<i64> = Vector(vec![4, -2, -1]); |
||||
let expected: i64 = 3; |
||||
assert_eq!(vector_1.dot(&vector_2), Some(expected)); |
||||
|
||||
let vector_1: Vector<i64> = Vector(vec![1, 3, -5]); |
||||
let vector_2: Vector<i64> = Vector(vec![4, -2]); |
||||
assert_eq!(vector_1.dot(&vector_2), None); |
||||
} |
||||
|
||||
#[test] |
||||
fn addition() { |
||||
let vector_1: Vector<i64> = Vector(vec![1, 3, -5]); |
||||
let vector_2: Vector<i64> = Vector(vec![4, -2, -1]); |
||||
assert_eq!(vector_1 + &vector_2, Some(Vector(vec![5i64, 1, -6]))); |
||||
|
||||
let vector_1: Vector<i64> = Vector(vec![1, 3, -5]); |
||||
let vector_2: Vector<i64> = Vector(vec![2, 4, -2, -1]); |
||||
assert_eq!(None, vector_1 + &vector_2); |
||||
} |
@ -0,0 +1,51 @@
|
||||
## lalgebra_vector |
||||
|
||||
### Instructions |
||||
|
||||
A vector in linear algebra is define as "anything that can be added and that can be multiplied by a scalar" |
||||
|
||||
And the associated function dot that calculates the dot product between two vectors |
||||
|
||||
The dot product between two vectors of different length it's not defined |
||||
|
||||
Note: `Vector` must implement Debug, Clone, Eq, PartialEq. |
||||
|
||||
### Expected Functions and Structure |
||||
|
||||
```rust |
||||
pub struct Vector<T: Scalar>(pub Vec<T>); |
||||
|
||||
use std::ops::Add; |
||||
|
||||
impl Add for Vector<T> { |
||||
} |
||||
|
||||
impl Vector<T> { |
||||
pub fn new() -> Self { |
||||
} |
||||
|
||||
pub fn dot(&self, other: &Self) -> Option<T> { |
||||
} |
||||
``` |
||||
|
||||
### Usage |
||||
|
||||
Here is a program to test your function. |
||||
|
||||
```rust |
||||
fn main() { |
||||
let vector_1: Vector<i64> = Vector(vec![1, 3, -5]); |
||||
let vector_2: Vector<i64> = Vector(vec![4, -2, -1]); |
||||
println!("{:?}", vector_1.dot(&vector_2)); |
||||
println!("{:?}", vector_1 + &vector_2); |
||||
} |
||||
``` |
||||
|
||||
And its output |
||||
|
||||
```console |
||||
student@ubuntu:~/[[ROOT]]/test$ cargo run |
||||
Some(3) |
||||
Some(Vector([5, 1, -6])) |
||||
tudent@ubuntu:~/[[ROOT]]/test$ |
||||
``` |
Loading…
Reference in new issue