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Support negative steps in arange. (#1218)

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This commit is contained in:
Laurent Mazare
2023-10-30 08:40:54 +01:00
committed by GitHub
parent 174b208052
commit 5fc66bd4ba
2 changed files with 33 additions and 3 deletions
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20
candle-core/tests/tensor_tests.rs
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@ -29,7 +29,26 @@ fn ones(device: &Device) -> Result<()> {
Tensor::ones((2, 3), DType::F64, device)?.to_vec2::<f64>()?,
[[1.0, 1.0, 1.0], [1.0, 1.0, 1.0]],
);
Ok(())
}
fn arange(device: &Device) -> Result<()> {
assert_eq!(
Tensor::arange(0u8, 5u8, device)?.to_vec1::<u8>()?,
[0, 1, 2, 3, 4],
);
assert_eq!(
Tensor::arange_step(0u8, 5u8, 2, device)?.to_vec1::<u8>()?,
[0, 2, 4],
);
assert_eq!(
Tensor::arange_step(0u8, 5u8, 3, device)?.to_vec1::<u8>()?,
[0, 3],
);
assert_eq!(
Tensor::arange_step(5i64, 0i64, -1, device)?.to_vec1::<i64>()?,
[5, 4, 3, 2, 1],
);
Ok(())
}
@ -1037,6 +1056,7 @@ fn randn(device: &Device) -> Result<()> {
test_device!(zeros, zeros_cpu, zeros_gpu);
test_device!(ones, ones_cpu, ones_gpu);
test_device!(arange, arange_cpu, arange_gpu);
test_device!(add_mul, add_mul_cpu, add_mul_gpu);
test_device!(tensor_2d, tensor_2d_cpu, tensor_2d_gpu);
test_device!(narrow, narrow_cpu, narrow_gpu);