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Abstract the gradient storage.

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This commit is contained in:
laurent
2023-06-21 14:29:48 +01:00
parent 68f525f321
commit 7adffafeda
5 changed files with 87 additions and 37 deletions
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2
tests/grad_tests.rs
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@ -6,7 +6,7 @@ fn simple_grad() -> Result<()> {
let x = Tensor::var(&[3f32, 1., 4.], Device::Cpu)?;
let y = (((&x * &x)? + &x * 5f64)? + 4f64)?;
let grads = y.backward()?;
let grad_x = grads.get(&x.id()).context("no grad for x")?;
let grad_x = grads.get(&x).context("no grad for x")?;
assert_eq!(x.to_vec1::<f32>()?, [3., 1., 4.]);
// y = x^2 + 5.x + 4
assert_eq!(y.to_vec1::<f32>()?, [28., 10., 40.]);