forked from M-Labs/nalgebra
331 lines
10 KiB
Rust
331 lines
10 KiB
Rust
#![allow(non_snake_case)]
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use na::{U2, U3, U4};
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use na::{DMatrix,
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RowVector4,
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Vector3,
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Matrix2, Matrix3,
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Matrix2x3, Matrix3x2, Matrix3x4, Matrix4x2, Matrix2x4, Matrix6x2, Matrix2x6,
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MatrixSlice2, MatrixSlice3, MatrixSlice2x3, MatrixSlice3x2,
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MatrixSliceXx3, MatrixSlice2xX, DMatrixSlice,
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MatrixSliceMut2, MatrixSliceMut3, MatrixSliceMut2x3, MatrixSliceMut3x2,
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MatrixSliceMutXx3, MatrixSliceMut2xX, DMatrixSliceMut};
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#[test]
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fn nested_fixed_slices() {
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let a = Matrix3x4::new(11.0, 12.0, 13.0, 14.0,
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21.0, 22.0, 23.0, 24.0,
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31.0, 32.0, 33.0, 34.0);
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let s1 = a.fixed_slice::<U3, U3>(0, 1); // Simple slice.
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let s2 = s1.fixed_slice::<U2, U2>(1, 1); // Slice of slice.
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let s3 = s1.fixed_slice_with_steps::<U2, U2>((0, 0), (1, 1)); // Slice of slice with steps.
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let expected_owned_s1 = Matrix3::new(12.0, 13.0, 14.0,
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22.0, 23.0, 24.0,
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32.0, 33.0, 34.0);
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let expected_owned_s2 = Matrix2::new(23.0, 24.0,
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33.0, 34.0);
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let expected_owned_s3 = Matrix2::new(12.0, 14.0,
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32.0, 34.0);
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assert_eq!(expected_owned_s1, s1.clone_owned());
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assert_eq!(expected_owned_s2, s2.clone_owned());
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assert_eq!(expected_owned_s3, s3.clone_owned());
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}
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#[test]
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fn nested_slices() {
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let a = Matrix3x4::new(11.0, 12.0, 13.0, 14.0,
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21.0, 22.0, 23.0, 24.0,
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31.0, 32.0, 33.0, 34.0);
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let s1 = a.slice((0, 1), (3, 3));
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let s2 = s1.slice((1, 1), (2, 2));
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let s3 = s1.slice_with_steps((0, 0), (2, 2), (1, 1));
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let expected_owned_s1 = DMatrix::from_row_slice(3, 3, &[ 12.0, 13.0, 14.0,
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22.0, 23.0, 24.0,
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32.0, 33.0, 34.0 ]);
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let expected_owned_s2 = DMatrix::from_row_slice(2, 2, &[ 23.0, 24.0,
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33.0, 34.0 ]);
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let expected_owned_s3 = DMatrix::from_row_slice(2, 2, &[ 12.0, 14.0,
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32.0, 34.0 ]);
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assert_eq!(expected_owned_s1, s1.clone_owned());
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assert_eq!(expected_owned_s2, s2.clone_owned());
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assert_eq!(expected_owned_s3, s3.clone_owned());
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}
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#[test]
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fn slice_mut() {
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let mut a = Matrix3x4::new(11.0, 12.0, 13.0, 14.0,
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21.0, 22.0, 23.0, 24.0,
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31.0, 32.0, 33.0, 34.0);
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{
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// We modify `a` through the mutable slice.
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let mut s1 = a.slice_with_steps_mut((0, 1), (2, 2), (1, 1));
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s1.fill(0.0);
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}
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let expected_a = Matrix3x4::new(11.0, 0.0, 13.0, 0.0,
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21.0, 22.0, 23.0, 24.0,
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31.0, 0.0, 33.0, 0.0);
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assert_eq!(expected_a, a);
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}
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#[test]
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fn nested_row_slices() {
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let a = Matrix6x2::new(11.0, 12.0,
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21.0, 22.0,
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31.0, 32.0,
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41.0, 42.0,
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51.0, 52.0,
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61.0, 62.0);
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let s1 = a.fixed_rows::<U4>(1);
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let s2 = s1.fixed_rows_with_step::<U2>(1, 1);
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let expected_owned_s1 = Matrix4x2::new(21.0, 22.0,
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31.0, 32.0,
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41.0, 42.0,
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51.0, 52.0);
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let expected_owned_s2 = Matrix2::new(31.0, 32.0,
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51.0, 52.0);
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assert_eq!(expected_owned_s1, s1.clone_owned());
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assert_eq!(expected_owned_s2, s2.clone_owned());
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}
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#[test]
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fn row_slice_mut() {
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let mut a = Matrix6x2::new(11.0, 12.0,
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21.0, 22.0,
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31.0, 32.0,
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41.0, 42.0,
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51.0, 52.0,
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61.0, 62.0);
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{
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// We modify `a` through the mutable slice.
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let mut s1 = a.rows_with_step_mut(1, 3, 1);
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s1.fill(0.0);
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}
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let expected_a = Matrix6x2::new(11.0, 12.0,
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0.0, 0.0,
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31.0, 32.0,
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0.0, 0.0,
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51.0, 52.0,
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0.0, 0.0);
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assert_eq!(expected_a, a);
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}
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#[test]
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fn nested_col_slices() {
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let a = Matrix2x6::new(11.0, 12.0, 13.0, 14.0, 15.0, 16.0,
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21.0, 22.0, 23.0, 24.0, 25.0, 26.0);
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let s1 = a.fixed_columns::<U4>(1);
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let s2 = s1.fixed_columns_with_step::<U2>(1, 1);
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let expected_owned_s1 = Matrix2x4::new(12.0, 13.0, 14.0, 15.0,
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22.0, 23.0, 24.0, 25.0);
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let expected_owned_s2 = Matrix2::new(13.0, 15.0,
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23.0, 25.0);
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assert_eq!(expected_owned_s1, s1.clone_owned());
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assert_eq!(expected_owned_s2, s2.clone_owned());
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}
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#[test]
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fn col_slice_mut() {
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let mut a = Matrix2x6::new(11.0, 12.0, 13.0, 14.0, 15.0, 16.0,
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21.0, 22.0, 23.0, 24.0, 25.0, 26.0);
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{
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// We modify `a` through the mutable slice.
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let mut s1 = a.columns_with_step_mut(1, 3, 1);
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s1.fill(0.0);
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}
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let expected_a = Matrix2x6::new(11.0, 0.0, 13.0, 0.0, 15.0, 0.0,
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21.0, 0.0, 23.0, 0.0, 25.0, 0.0);
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assert_eq!(expected_a, a.clone_owned());
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}
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#[test]
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fn rows_range_pair() {
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let a = Matrix3x4::new(11.0, 12.0, 13.0, 14.0,
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21.0, 22.0, 23.0, 24.0,
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31.0, 32.0, 33.0, 34.0);
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let (l, r) = a.rows_range_pair(.. 3, 3 ..);
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assert!(r.len() == 0 && l.eq(&a));
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let (l, r) = a.rows_range_pair(0, 1 ..);
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let expected_l = RowVector4::new(11.0, 12.0, 13.0, 14.0);
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let expected_r = Matrix2x4::new(21.0, 22.0, 23.0, 24.0,
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31.0, 32.0, 33.0, 34.0);
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assert!(l.eq(&expected_l) && r.eq(&expected_r));
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}
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#[test]
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fn columns_range_pair() {
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let a = Matrix3x4::new(11.0, 12.0, 13.0, 14.0,
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21.0, 22.0, 23.0, 24.0,
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31.0, 32.0, 33.0, 34.0);
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let (l, r) = a.columns_range_pair(.. 4, 4 ..);
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assert!(r.len() == 0 && l.eq(&a));
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let (l, r) = a.columns_range_pair(0, 1 ..);
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let expected_l = Vector3::new(11.0, 21.0, 31.0);
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let expected_r = Matrix3::new(12.0, 13.0, 14.0,
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22.0, 23.0, 24.0,
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32.0, 33.0, 34.0);
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assert!(l.eq(&expected_l) && r.eq(&expected_r));
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}
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#[test]
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fn new_slice() {
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let data = [ 1.0, 2.0, 3.0, 4.0,
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5.0, 6.0, 7.0, 8.0,
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9.0, 10.0, 11.0, 12.0 ];
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let expected2 = Matrix2::from_column_slice(&data);
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let expected3 = Matrix3::from_column_slice(&data);
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let expected2x3 = Matrix2x3::from_column_slice(&data);
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let expected3x2 = Matrix3x2::from_column_slice(&data);
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{
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let m2 = MatrixSlice2::new(&data);
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let m3 = MatrixSlice3::new(&data);
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let m2x3 = MatrixSlice2x3::new(&data);
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let m3x2 = MatrixSlice3x2::new(&data);
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let m2xX = MatrixSlice2xX::new(&data, 3);
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let mXx3 = MatrixSliceXx3::new(&data, 2);
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let mXxX = DMatrixSlice::new(&data, 2, 3);
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assert!(m2.eq(&expected2));
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assert!(m3.eq(&expected3));
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assert!(m2x3.eq(&expected2x3));
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assert!(m3x2.eq(&expected3x2));
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assert!(m2xX.eq(&expected2x3));
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assert!(mXx3.eq(&expected2x3));
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assert!(mXxX.eq(&expected2x3));
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}
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}
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#[test]
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fn new_slice_mut() {
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let data = [ 1.0, 2.0, 3.0, 4.0,
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5.0, 6.0, 7.0, 8.0,
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9.0, 10.0, 11.0, 12.0 ];
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let expected2 = [ 0.0, 0.0, 0.0, 0.0,
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5.0, 6.0, 7.0, 8.0,
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9.0, 10.0, 11.0, 12.0 ];
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let expected3 = [ 0.0, 0.0, 0.0, 0.0,
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0.0, 0.0, 0.0, 0.0,
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0.0, 10.0, 11.0, 12.0 ];
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let expected2x3 = [ 0.0, 0.0, 0.0, 0.0,
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0.0, 0.0, 7.0, 8.0,
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9.0, 10.0, 11.0, 12.0 ];
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let expected3x2 = [ 0.0, 0.0, 0.0, 0.0,
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0.0, 0.0, 7.0, 8.0,
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9.0, 10.0, 11.0, 12.0 ];
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let mut data_mut = data.clone();
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MatrixSliceMut2::new(&mut data_mut).fill(0.0);
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assert!(data_mut == expected2);
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let mut data_mut = data.clone();
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MatrixSliceMut3::new(&mut data_mut).fill(0.0);
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assert!(data_mut == expected3);
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let mut data_mut = data.clone();
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MatrixSliceMut2x3::new(&mut data_mut).fill(0.0);
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assert!(data_mut == expected2x3);
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let mut data_mut = data.clone();
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MatrixSliceMut3x2::new(&mut data_mut).fill(0.0);
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assert!(data_mut == expected3x2);
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let mut data_mut = data.clone();
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MatrixSliceMut2xX::new(&mut data_mut, 3).fill(0.0);
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assert!(data_mut == expected2x3);
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let mut data_mut = data.clone();
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MatrixSliceMutXx3::new(&mut data_mut, 2).fill(0.0);
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assert!(data_mut == expected2x3);
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let mut data_mut = data.clone();
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DMatrixSliceMut::new(&mut data_mut, 2, 3).fill(0.0);
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assert!(data_mut == expected2x3);
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}
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#[test]
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#[should_panic]
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fn row_out_of_bounds() {
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let a = Matrix3x4::<f32>::zeros();
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a.row(3);
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}
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#[test]
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#[should_panic]
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fn rows_out_of_bounds() {
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let a = Matrix3x4::<f32>::zeros();
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a.rows(1, 3);
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}
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#[test]
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#[should_panic]
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fn rows_with_step_out_of_bounds() {
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let a = Matrix3x4::<f32>::zeros();
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a.rows_with_step(1, 2, 1);
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}
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#[test]
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#[should_panic]
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fn column_out_of_bounds() {
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let a = Matrix3x4::<f32>::zeros();
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a.column(4);
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}
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#[test]
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#[should_panic]
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fn columns_out_of_bounds() {
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let a = Matrix3x4::<f32>::zeros();
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a.columns(2, 3);
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}
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#[test]
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#[should_panic]
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fn columns_with_step_out_of_bounds() {
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let a = Matrix3x4::<f32>::zeros();
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a.columns_with_step(2, 2, 1);
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}
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#[test]
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#[should_panic]
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fn slice_out_of_bounds() {
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let a = Matrix3x4::<f32>::zeros();
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a.slice((1, 2), (3, 1));
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}
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#[test]
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#[should_panic]
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fn slice_with_steps_out_of_bounds() {
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let a = Matrix3x4::<f32>::zeros();
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a.slice_with_steps((1, 2), (2, 2), (0, 1));
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}
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