#[burn_tensor_testgen::testgen(q_sub)]
mod tests {
use super::*;
use burn_tensor::TensorData;
#[test]
fn should_support_sub_ops() {
let tensor_1 = QTensor::<TestBackend, 2>::int8_affine([[0.0, 1.0, 2.0], [3.0, 4.0, 5.0]]);
let tensor_2 = QTensor::<TestBackend, 2>::int8_affine([[6.0, 7.0, 8.0], [9.0, 10.0, 11.0]]);
let output = tensor_1 - tensor_2;
let expected = TensorData::from([[-6.0, -6.0, -6.0], [-6.0, -6.0, -6.0]]);
output
.dequantize()
.into_data()
.assert_approx_eq(&expected, 1);
}
#[test]
fn test_sub_broadcast() {
let tensor_1 = QTensor::<TestBackend, 2>::int8_affine([[0.0, 1.0, 2.0]]);
let tensor_2 = QTensor::<TestBackend, 2>::int8_affine([[3.0, 4.0, 5.0], [6.0, 7.0, 8.0]]);
let output = tensor_1 - tensor_2;
let expected = TensorData::from([[-3.0, -3.0, -3.0], [-6.0, -6.0, -6.0]]);
output
.dequantize()
.into_data()
.assert_approx_eq(&expected, 1);
}
#[test]
fn should_support_sub_scalar_ops() {
let tensor = QTensor::<TestBackend, 2>::int8_affine([[0.0, 1.0, 2.0], [3.0, 4.0, 5.0]]);
let scalar = 2.0;
let output = tensor - scalar;
let expected = TensorData::from([[-2.0, -1.0, 0.0], [1.0, 2.0, 3.0]]);
output.dequantize().into_data().assert_eq(&expected, false);
}
}