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Merge pull request #1171 from md2468/try_cast 

Added `try_cast()` to `Matrix`.
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Sébastien Crozet 2022-10-27 23:03:57 +02:00 committed by GitHub
parent 2f1f4414e2 c9fa7a35e7
commit 5389212c3c
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1 changed files with 18 additions and 0 deletions
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18
src/base/matrix.rs
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@ -739,6 +739,24 @@ impl<T, R: Dim, C: Dim, S: RawStorage<T, R, C>> Matrix<T, R, C, S> {
crate::convert(self) crate::convert(self)
} }
/// Attempts to cast the components of `self` to another type.
///
/// # Example
/// ```
/// # use nalgebra::Vector3;
/// let q = Vector3::new(1.0f64, 2.0, 3.0);
/// let q2 = q.try_cast::<i32>();
/// assert_eq!(q2, Some(Vector3::new(1, 2, 3)));
/// ```
pub fn try_cast<T2: Scalar>(self) -> Option<OMatrix<T2, R, C>>
where
T: Scalar,
Self: SupersetOf<OMatrix<T2, R, C>>,
DefaultAllocator: Allocator<T2, R, C>,
{
crate::try_convert(self)
}
/// Similar to `self.iter().fold(init, f)` except that `init` is replaced by a closure. /// Similar to `self.iter().fold(init, f)` except that `init` is replaced by a closure.
/// ///
/// The initialization closure is given the first component of this matrix: /// The initialization closure is given the first component of this matrix: