Comments (10)
You need the latest commit. Instead of this:
linfa-kernel = "0.6.1"
Use this:
linfa-kernel = { git = "https://github.com/rust-ml/linfa.git" }
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I have the same issue. Seems like CsMat
which is imported from sprs
cannot implement std::ops:Mul
for some reason. Multiplication of a CsMat
with an ArrayView2
is the issue which was handled by the std::ops::Mul
trait previously from what I can see. But for some reason this is now broken.
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Yes. I tried creating a new CsMat
in a test crate, and I was able to call mul()
on it. So I think the issue is related to CsMat
not liking linfa::Float
as the generic.
from linfa.
I changed the start of the impl
block to this:
impl<F: Float> Inner for CsMat<F> where
CsMat<F>: Mul {
...
}
which results in several errors that look like this:
error[E0277]: cannot multiply `CsMatBase<F, usize, Vec<usize>, Vec<usize>, Vec<F>>` by `CsMatBase<F, usize, Vec<usize>, Vec<usize>, Vec<F>>`
--> algorithms/linfa-kernel/src/lib.rs:196:20
|
196 | impl<'a, F: Float> Kernel<F> {
| ^^^^^^^^^ no implementation for `CsMatBase<F, usize, Vec<usize>, Vec<usize>, Vec<F>> * CsMatBase<F, usize, Vec<usize>, Vec<usize>, Vec<F>>`
|
= help: the trait `Mul` is not implemented for `CsMatBase<F, usize, Vec<usize>, Vec<usize>, Vec<F>>`
= help: the following other types implement trait `Mul<Rhs>`:
<&'a CsMatBase<N, I, IpS, IS, DS, Iptr> as Mul<&'b ndarray::ArrayBase<DS2, Dim<[usize; 1]>>>>
<&'a CsMatBase<N, I, IpS, IS, DS, Iptr> as Mul<&'b ndarray::ArrayBase<DS2, Dim<[usize; 2]>>>>
<&'a CsMatBase<N, I, IpS1, IS1, DS1, Iptr> as Mul<&'b CsMatBase<N, I, IpS2, IS2, DS2, Iptr>>>
<&'a CsMatBase<N, I, IpS1, IS1, DS1, Iptr> as Mul<&'b CsVecBase<IS2, DS2, N, I>>>
<&'a CsMatBase<f32, I, IpStorage, IStorage, DStorage, Iptr> as Mul<f32>>
<&'a CsMatBase<f64, I, IpStorage, IStorage, DStorage, Iptr> as Mul<f64>>
<&'a CsMatBase<i16, I, IpStorage, IStorage, DStorage, Iptr> as Mul<i16>>
<&'a CsMatBase<i32, I, IpStorage, IStorage, DStorage, Iptr> as Mul<i32>>
and 8 others
note: required for `CsMatBase<F, usize, Vec<usize>, Vec<usize>, Vec<F>>` to implement `Inner`
--> algorithms/linfa-kernel/src/inner.rs:60:16
|
60 | impl<F: Float> Inner for CsMat<F> where
| ^^^^^ ^^^^^^^^
61 | CsMat<F>: Mul {
| --- unsatisfied trait bound introduced here
Maybe this helps to diagnose the issue.
from linfa.
Could be related to sparsemat/sprs#278
from linfa.
This is a regression introduced with the sprs::MulAcc
trait in 0.11 https://github.com/sparsemat/sprs/blob/master/changelog.rst Can you try with latest commit?
from linfa.
It works now. Thanks!
from linfa.
I still get this issue. What version is the fix on?
from linfa.
Thanks! @avs-origami
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I;ve just opened sparsemat/sprs#330
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