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More narrow testing.

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This commit is contained in:
laurent
2023-06-24 15:10:31 +01:00
parent 0f34738831
commit fbbf3951dd
1 changed files with 20 additions and 0 deletions
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20
tests/tensor_tests.rs
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@ -116,5 +116,25 @@ fn narrow() -> Result<()> {
tensor.narrow(2, 1, 2)?.to_vec3::<f32>()?,
&[[[1.0, 4.0], [5.0, 9.0]], [[1.0, 7.0], [2.0, 8.0]]],
);
assert_eq!(
tensor.narrow(1, 1, 1)?.to_vec3::<f32>()?,
&[[[1.0, 5.0, 9.0]], [[8.0, 2.0, 8.0]]],
);
assert_eq!(
tensor.narrow(0, 0, 1)?.to_vec3::<f32>()?,
&[[[3.0, 1.0, 4.0], [1.0, 5.0, 9.0]]],
);
assert_eq!(
tensor.narrow(0, 1, 1)?.to_vec3::<f32>()?,
&[[[2.0, 1.0, 7.0], [8.0, 2.0, 8.0]]],
);
// The following has been checked against PyTorch via:
// import torch
// t = torch.tensor([[[3., 1., 4.], [1., 5., 9.]], [[2., 1., 7.], [8., 2., 8.]]])
// t.transpose(-1, -2).narrow(1, 1, 2)
assert_eq!(
tensor.t()?.narrow(1, 1, 2)?.to_vec3::<f32>()?,
&[[[1.0, 5.0], [4.0, 9.0]], [[1.0, 2.0], [7.0, 8.0]]],
);
Ok(())
}