Add the `repeat` constructor.

This commit is contained in:
Sébastien Crozet 2018-02-02 12:26:16 +01:00
parent 300b3d0452
commit a35e40b38e
2 changed files with 19 additions and 0 deletions

View File

@ -8,6 +8,8 @@ This project adheres to [Semantic Versioning](http://semver.org/).
### Added
* The `mint` feature that can be enabled in order to allow conversions from
and to types of the [mint](https://crates.io/crates/mint) crate.
* The `::repeat(...)` constructor that is an alternative name to
`::from_element(...)`.

View File

@ -38,6 +38,15 @@ impl<N: Scalar, R: Dim, C: Dim> MatrixMN<N, R, C>
Self::from_iterator_generic(nrows, ncols, iter::repeat(elem).take(len))
}
/// Creates a matrix with all its elements set to `elem`.
///
/// Same as `from_element_generic`.
#[inline]
pub fn repeat_generic(nrows: R, ncols: C, elem: N) -> Self {
let len = nrows.value() * ncols.value();
Self::from_iterator_generic(nrows, ncols, iter::repeat(elem).take(len))
}
/// Creates a matrix with all its elements set to 0.
#[inline]
pub fn zeros_generic(nrows: R, ncols: C) -> Self
@ -235,6 +244,14 @@ macro_rules! impl_constructors(
Self::from_element_generic($($gargs, )* elem)
}
/// Creates a matrix with all its elements set to `elem`.
///
/// Same as `.from_element`.
#[inline]
pub fn repeat($($args: usize,)* elem: N) -> Self {
Self::repeat_generic($($gargs, )* elem)
}
/// Creates a matrix with all its elements set to `0`.
#[inline]
pub fn zeros($($args: usize),*) -> Self