#[burn_tensor_testgen::testgen(q_powf)]
mod tests {
use super::*;
use burn_tensor::TensorData;
#[test]
fn should_support_powf_ops() {
let tensor = QTensor::<TestBackend, 2>::int8_affine([[1.0, 1.0, 2.0], [3.0, 4.0, 5.0]]);
let tensor_pow = QTensor::<TestBackend, 2>::int8_affine([[1.0, 1.0, 2.0], [3.0, 4.0, 2.0]]);
let output = tensor.powf(tensor_pow);
let expected = TensorData::from([[1.0, 1.0, 4.0], [27.0, 256.0, 25.0]]);
output
.dequantize()
.into_data()
.assert_approx_eq(&expected, 1);
}
#[test]
fn should_support_neg_power() {
let tensor = QTensor::<TestBackend, 2>::int8([[1.0, 1.0, 2.0], [3.0, 4.0, 5.0]]);
let tensor_pow =
QTensor::<TestBackend, 2>::int8([[-0.95, -0.67, -0.45], [-0.24, -0.5, -0.6]]);
let output = tensor.powf(tensor_pow);
let expected = TensorData::from([[1., 1., 0.73204285], [0.76822936, 0.5, 0.38073079]]);
output
.dequantize()
.into_data()
.assert_approx_eq(&expected, 1);
}
#[test]
fn should_support_neg_values_with_even_power() {
let tensor = QTensor::<TestBackend, 2>::int8([[0.0, -1.0, -2.0], [-3.0, -4.0, -5.0]]);
let tensor_pow = QTensor::<TestBackend, 2>::int8([[2.0, 2.0, 2.0], [2.0, 2.0, 2.0]]);
let output = tensor.powf(tensor_pow);
let expected = TensorData::from([[0.0, 1.0, 4.0], [9.0, 16.0, 25.0]]);
output
.dequantize()
.into_data()
.assert_approx_eq(&expected, 1);
}
#[test]
fn should_support_neg_values_with_odd_power() {
let tensor = QTensor::<TestBackend, 2>::int8([[0.0, -1.0, -2.0], [-3.0, -4.0, -4.0]]);
let tensor_pow = QTensor::<TestBackend, 2>::int8([[3.0, 3.0, 3.0], [3.0, 3.0, 3.0]]);
let output = tensor.powf(tensor_pow);
let expected = TensorData::from([[0.0, -1.0, -8.0], [-27.0, -64.0, -64.0]]);
output
.dequantize()
.into_data()
.assert_approx_eq(&expected, 1);
}
}