cubecl-std 0.11.0-pre.4

CubeCL Standard Library.
Documentation 
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use core::fmt::Display;
use cubecl_runtime::runtime::Runtime;

use cubecl_core::{CubeElement, prelude::Numeric};

use super::test_utils::identity_cpu;
use crate::tensor::{self, TensorHandle};

pub fn test_identity<R: Runtime, C: Numeric + CubeElement + Display>(
    device: &R::Device,
    dim: usize,
) {
    let client = R::client(device);

    let expected = identity_cpu::<C>(dim);

    let identity = TensorHandle::empty(&client, [dim, dim].to_vec(), C::elem_type_native());
    tensor::identity::launch(&client, &identity);

    let actual = client.read_one_unchecked_tensor(identity.handle.clone().copy_descriptor(
        identity.shape().clone(),
        identity.strides().clone(),
        size_of::<C>(),
    ));
    let actual = C::from_bytes(&actual);

    assert_eq!(&expected[..], actual, "identity matrices are not equal.");
}