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use crate::errors::Error;
use cpython::{exc, PyErr, PyResult, Python};
pub struct Vectors {
input_vector1: Vec<f64>,
input_vector2: Vec<f64>,
}
impl Vectors {
pub fn new(input_vector1: Vec<f64>, input_vector2: Vec<f64>) -> Result<Self, Error> {
if input_vector1.len() != input_vector2.len() {
return Err(Error::InvalidParams(String::from(
"Vectors length mismatch",
)));
}
Ok(Self {
input_vector1,
input_vector2,
})
}
pub fn add(&self) -> Vec<f64> {
let mut output_vector = Vec::new();
for idx in 0..self.input_vector1.len() {
output_vector.push(self.input_vector1[idx] + self.input_vector2[idx])
}
output_vector
}
pub fn sub(&self) -> Vec<f64> {
let mut output_vector = Vec::new();
for idx in 0..self.input_vector1.len() {
output_vector.push(self.input_vector1[idx] - self.input_vector2[idx])
}
output_vector
}
pub fn div(&self) -> Vec<f64> {
let mut output_vector = Vec::new();
for idx in 0..self.input_vector1.len() {
output_vector.push(self.input_vector1[idx] / self.input_vector2[idx])
}
output_vector
}
pub fn mul(&self) -> Vec<f64> {
let mut output_vector = Vec::new();
for idx in 0..self.input_vector1.len() {
output_vector.push(self.input_vector1[idx] * self.input_vector2[idx])
}
output_vector
}
}
pub fn add_py(py: Python, vector1: Vec<f64>, vector2: Vec<f64>) -> PyResult<Vec<f64>> {
let vec_zip = Vectors::new(vector1, vector2);
let vectors = match vec_zip {
Ok(x) => x,
Err(err_typ) => match err_typ {
Error::InvalidParams(msg) => return Err(PyErr::new::<exc::IndexError, _>(py, msg)),
},
};
let out_vec = vectors.add();
Ok(out_vec)
}
pub fn sub_py(py: Python, vector1: Vec<f64>, vector2: Vec<f64>) -> PyResult<Vec<f64>> {
let vec_zip = Vectors::new(vector1, vector2);
let vectors = match vec_zip {
Ok(x) => x,
Err(err_typ) => match err_typ {
Error::InvalidParams(msg) => return Err(PyErr::new::<exc::IndexError, _>(py, msg)),
},
};
let out_vec = vectors.sub();
Ok(out_vec)
}
pub fn mul_py(py: Python, vector1: Vec<f64>, vector2: Vec<f64>) -> PyResult<Vec<f64>> {
let vec_zip = Vectors::new(vector1, vector2);
let vectors = match vec_zip {
Ok(x) => x,
Err(err_typ) => match err_typ {
Error::InvalidParams(msg) => return Err(PyErr::new::<exc::IndexError, _>(py, msg)),
},
};
let out_vec = vectors.mul();
Ok(out_vec)
}
pub fn div_py(py: Python, vector1: Vec<f64>, vector2: Vec<f64>) -> PyResult<Vec<f64>> {
let vec_zip = Vectors::new(vector1, vector2);
let vectors = match vec_zip {
Ok(x) => x,
Err(err_typ) => match err_typ {
Error::InvalidParams(msg) => return Err(PyErr::new::<exc::IndexError, _>(py, msg)),
},
};
let out_vec = vectors.div();
Ok(out_vec)
}
#[cfg(test)]
mod test {
use super::*;
#[test]
fn test_vect_mul() {
let vec1 = vec![1.0, 2.0, 3.0, 4.0];
let vec2 = vec![1.0, 2.0, 3.0, 4.0];
let vectors = Vectors::new(vec1, vec2).unwrap();
let vec_mul = vectors.mul();
assert_eq!(vec_mul, vec![1.0, 4.0, 9.0, 16.0])
}
#[test]
fn test_vect_add() {
let vec1 = vec![1.0, 2.0, 3.0, 4.0];
let vec2 = vec![1.0, 2.0, 3.0, 4.0];
let vectors = Vectors::new(vec1, vec2).unwrap();
let vec_add = vectors.add();
assert_eq!(vec_add, vec![2.0, 4.0, 6.0, 8.0])
}
#[test]
fn test_vect_div() {
let vec1 = vec![1.0, 2.0, 3.0, 4.0];
let vec2 = vec![1.0, 2.0, 3.0, 4.0];
let vectors = Vectors::new(vec1, vec2).unwrap();
let vec_div = vectors.div();
assert_eq!(vec_div, vec![1.0, 1.0, 1.0, 1.0])
}
#[test]
fn test_vect_sub() {
let vec1 = vec![1.0, 2.0, 3.0, 4.0];
let vec2 = vec![1.0, 2.0, 3.0, 4.0];
let vectors = Vectors::new(vec1, vec2).unwrap();
let vec_sub = vectors.sub();
assert_eq!(vec_sub, vec![0.0, 0.0, 0.0, 0.0])
}
}