steven/matrix-rs
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

feat(matrix_op): add multiplication

Browse source 
matrix_ops: add matrix multiply capability
chore(fmt): flatten crate directory
tests(ops): add tests for multiplication
This commit is contained in:
Zhongheng Liu 2025-01-23 19:06:49 +02:00
commit 333c6c7281
Signed by: steven
GPG key ID: 805A28B071DAD84B
7 changed files with 70 additions and 40 deletions
Download patch file Download diff file Expand all files Collapse all files

54
src/tests/matrix_test.rs
View file

@ -1,54 +0,0 @@
use std::str::FromStr;
use crate::types::{matrix::Matrix, matrix_err::ParseMatrixError};
#[test]
pub fn test_matrix_init_from_string() -> Result<(), ParseMatrixError> {
let data_target = vec![vec![1, 2, 3], vec![4, 5, 6], vec![7, 8, 9]];
let target = Matrix {
nrows: 3,
ncols: 3,
data: data_target,
};
let test = Matrix::from_str("1,2,3\n4,5,6\n7,8,9")?;
assert_eq!(target, test);
Ok(())
}
#[test]
pub fn test_matrix_add() -> Result<(), ParseMatrixError> {
let m1 = Matrix::from_str("1,2,3\n4,5,6\n7,8,9")?;
let m2 = Matrix::from_str("1,1,1\n1,1,1\n1,1,1")?;
let t = Matrix::from_str("2,3,4\n5,6,7\n8,9,10")?;
assert_eq!(&m1 + &m2, t);
Ok(())
}
#[test]
pub fn test_matrix_determinate() -> Result<(), ParseMatrixError> {
let m = Matrix::from_str("3,4\n5,6")?;
let det = 3 * 6 - 4 * 5;
assert_eq!(m.determinant(), det);
Ok(())
}
#[test]
pub fn test_matrix_transposition() -> Result<(), ParseMatrixError> {
let m = Matrix::from_str("1,2,3\n4,5,6\n7,8,9")?;
let t = Matrix::from_str("1,4,7\n2,5,8\n3,6,9")?;
assert_eq!(m.transpose(), t);
Ok(())
}
#[test]
pub fn test_matrix_parse_malformed() -> () {
let malformed = "1,23,\n,567,\n\n5";
let m = Matrix::from_str(malformed);
match m {
Ok(_) => panic!("This malformed matrix string should not have succeeded"),
Err(_) => (),
}
}
#[test]
#[should_panic]
pub fn test_matrix_add_bad_dimensions() -> () {
let bad = Matrix::from_str("1,1,1\n1,1,1").unwrap();
let add = Matrix::from_str("1,1\n1,1").unwrap();
let _ = &bad + &add;
}