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Do not panic on empty ranges. (#257)

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This commit is contained in:
Laurent Mazare
2023-07-27 09:28:47 +01:00
committed by GitHub
parent 209f06d7c3
commit f291065f6c
2 changed files with 14 additions and 1 deletions
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13
candle-core/tests/indexing_tests.rs
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@ -58,6 +58,19 @@ fn range_index() -> Result<()> {
let result = tensor.i(..=1)?;
assert_eq!(result.dims(), &[2, 3]);
assert_eq!(result.to_vec2::<u32>()?, &[[0, 1, 2], [3, 4, 5]]);
// Empty range
let result = tensor.i(1..1)?;
assert_eq!(result.dims(), &[0, 3]);
let empty: [[u32; 3]; 0] = [];
assert_eq!(result.to_vec2::<u32>()?, &empty);
// Similar to PyTorch, allow empty ranges when the computed length is negative.
#[allow(clippy::reversed_empty_ranges)]
let result = tensor.i(1..0)?;
assert_eq!(result.dims(), &[0, 3]);
let empty: [[u32; 3]; 0] = [];
assert_eq!(result.to_vec2::<u32>()?, &empty);
Ok(())
}