#[burn_tensor_testgen::testgen(topk)]
mod tests {
use super::*;
use burn_tensor::{Shape, Tensor, TensorData};
#[test]
fn test_topk_1d() {
let tensor = TestTensorInt::<1>::from([1, 2, 3, 4, 5]);
let values = tensor.topk(3, 0);
let expected = TensorData::from([5, 4, 3]);
values.into_data().assert_eq(&expected, false);
let tensor = TestTensor::<1>::from([1., 2., 3., 4., 5.]);
let values = tensor.topk(3, 0);
let expected = TensorData::from([5., 4., 3.]);
values.into_data().assert_approx_eq(&expected, 5);
}
#[test]
fn test_topk() {
let tensor = TestTensorInt::<3>::from([[[1, 4, 7], [2, 5, 6]], [[3, 0, 9], [8, 2, 8]]]);
let values = tensor.topk(2, 2);
let expected = TensorData::from([[[7, 4], [6, 5]], [[9, 3], [8, 8]]]);
values.into_data().assert_eq(&expected, false);
let tensor =
TestTensor::<3>::from([[[1., 4., 7.], [2., 5., 6.]], [[3., 0., 9.], [8., 2., 8.]]]);
let values = tensor.topk(2, 2);
let expected = TensorData::from([[[7., 4.], [6., 5.]], [[9., 3.], [8., 8.]]]);
values.into_data().assert_approx_eq(&expected, 5);
}
#[test]
fn test_topk_with_indices() {
let tensor = TestTensorInt::<1>::from([1, 2, 3, 4, 5]);
let (values, indices) = tensor.topk_with_indices(3, 0);
let values_expected = TensorData::from([5, 4, 3]);
values.into_data().assert_eq(&values_expected, false);
let indices_expected = TensorData::from([4, 3, 2]);
indices.into_data().assert_eq(&indices_expected, false);
let tensor =
TestTensor::<3>::from([[[1., 4., 7.], [2., 5., 6.]], [[3., 0., 9.], [8., 2., 7.]]]);
let (values, indices) = tensor.topk_with_indices(2, 2);
let values_expected = TensorData::from([[[7., 4.], [6., 5.]], [[9., 3.], [8., 7.]]]);
values.into_data().assert_approx_eq(&values_expected, 5);
let indices_expected = TensorData::from([[[2, 1], [2, 1]], [[2, 0], [0, 2]]]);
indices.into_data().assert_eq(&indices_expected, false);
}
}