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Diffstat (limited to 'vendor/smawk/tests/monge.rs')
-rw-r--r-- | vendor/smawk/tests/monge.rs | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/vendor/smawk/tests/monge.rs b/vendor/smawk/tests/monge.rs deleted file mode 100644 index 67058a7..0000000 --- a/vendor/smawk/tests/monge.rs +++ /dev/null @@ -1,83 +0,0 @@ -#![cfg(feature = "ndarray")] - -use ndarray::{arr2, Array, Array2}; -use rand::SeedableRng; -use rand_chacha::ChaCha20Rng; -use smawk::monge::is_monge; - -mod random_monge; -use random_monge::{random_monge_matrix, MongePrim}; - -#[test] -fn random_monge() { - let mut rng = ChaCha20Rng::seed_from_u64(0); - let matrix: Array2<u8> = random_monge_matrix(5, 5, &mut rng); - - assert!(is_monge(&matrix)); - assert_eq!( - matrix, - arr2(&[ - [2, 3, 4, 4, 5], - [5, 5, 6, 6, 7], - [3, 3, 4, 4, 5], - [5, 2, 3, 3, 4], - [5, 2, 3, 3, 4] - ]) - ); -} - -#[test] -fn monge_constant_rows() { - let mut rng = ChaCha20Rng::seed_from_u64(0); - let matrix: Array2<u8> = MongePrim::ConstantRows.to_matrix(5, 4, &mut rng); - assert!(is_monge(&matrix)); - for row in matrix.rows() { - let elem = row[0]; - assert_eq!(row, Array::from_elem(matrix.ncols(), elem)); - } -} - -#[test] -fn monge_constant_cols() { - let mut rng = ChaCha20Rng::seed_from_u64(0); - let matrix: Array2<u8> = MongePrim::ConstantCols.to_matrix(5, 4, &mut rng); - assert!(is_monge(&matrix)); - for column in matrix.columns() { - let elem = column[0]; - assert_eq!(column, Array::from_elem(matrix.nrows(), elem)); - } -} - -#[test] -fn monge_upper_right_ones() { - let mut rng = ChaCha20Rng::seed_from_u64(1); - let matrix: Array2<u8> = MongePrim::UpperRightOnes.to_matrix(5, 4, &mut rng); - assert!(is_monge(&matrix)); - assert_eq!( - matrix, - arr2(&[ - [0, 0, 1, 1], - [0, 0, 1, 1], - [0, 0, 1, 1], - [0, 0, 0, 0], - [0, 0, 0, 0] - ]) - ); -} - -#[test] -fn monge_lower_left_ones() { - let mut rng = ChaCha20Rng::seed_from_u64(1); - let matrix: Array2<u8> = MongePrim::LowerLeftOnes.to_matrix(5, 4, &mut rng); - assert!(is_monge(&matrix)); - assert_eq!( - matrix, - arr2(&[ - [0, 0, 0, 0], - [0, 0, 0, 0], - [1, 1, 0, 0], - [1, 1, 0, 0], - [1, 1, 0, 0] - ]) - ); -} |