Add tests for row and column iterators.
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@ -248,12 +248,31 @@ impl<N: Scalar, R: Dim, C: Dim, S: Storage<N, R, C>> Matrix<N, R, C, S> {
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}
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/// Iterate through the rows of this matrix.
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///
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/// # Example
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/// ```
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/// # use nalgebra::Matrix2x3;
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/// let mut a = Matrix2x3::new(1, 2, 3,
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/// 4, 5, 6);
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/// for (i, row) in a.row_iter().enumerate() {
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/// assert_eq!(row, a.row(i))
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/// }
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/// ```
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#[inline]
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pub fn row_iter(&self) -> RowIter<N, R, C, S> {
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RowIter::new(self)
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}
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/// Iterate through the columns of this matrix.
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/// # Example
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/// ```
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/// # use nalgebra::Matrix2x3;
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/// let mut a = Matrix2x3::new(1, 2, 3,
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/// 4, 5, 6);
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/// for (i, column) in a.column_iter().enumerate() {
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/// assert_eq!(column, a.column(i))
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/// }
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/// ```
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#[inline]
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pub fn column_iter(&self) -> ColumnIter<N, R, C, S> {
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ColumnIter::new(self)
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@ -604,12 +623,40 @@ impl<N: Scalar, R: Dim, C: Dim, S: StorageMut<N, R, C>> Matrix<N, R, C, S> {
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}
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/// Mutably iterates through this matrix rows.
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///
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/// # Example
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/// ```
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/// # use nalgebra::Matrix2x3;
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/// let mut a = Matrix2x3::new(1, 2, 3,
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/// 4, 5, 6);
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/// for (i, mut row) in a.row_iter_mut().enumerate() {
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/// row *= (i + 1) * 10;
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/// }
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///
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/// let expected = Matrix2x3::new(10, 20, 30,
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/// 80, 100, 120);
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/// assert_eq!(a, expected);
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/// ```
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#[inline]
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pub fn row_iter_mut(&mut self) -> RowIterMut<N, R, C, S> {
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RowIterMut::new(self)
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}
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/// Mutably iterates through this matrix columns.
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///
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/// # Example
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/// ```
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/// # use nalgebra::Matrix2x3;
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/// let mut a = Matrix2x3::new(1, 2, 3,
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/// 4, 5, 6);
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/// for (i, mut col) in a.column_iter_mut().enumerate() {
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/// col *= (i + 1) * 10;
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/// }
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///
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/// let expected = Matrix2x3::new(10, 40, 90,
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/// 40, 100, 180);
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/// assert_eq!(a, expected);
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/// ```
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#[inline]
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pub fn column_iter_mut(&mut self) -> ColumnIterMut<N, R, C, S> {
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ColumnIterMut::new(self)
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