tenferro-gpu 0.4.0

CubeCL-backed CUDA and WebGPU provider backends for tenferro tensors.
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use super::super::blas1::blas1_len;

#[test]
fn blas1_length_stays_within_the_portable_cublas_interface() {
    assert_eq!(blas1_len(i32::MAX as usize, "test").unwrap(), i32::MAX);
    let error = blas1_len(i32::MAX as usize + 1, "test").unwrap_err();
    assert!(error.to_string().contains("exceeds i32::MAX"));
}