teeny_core/nn/conv1d.rs
1/*
2 * Copyright (c) 2026 Teenygrad.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17use core::marker::PhantomData;
18
19use crate::{
20 dtype::{Dtype, EagerTensor, Tensor},
21 nn::Layer,
22};
23
24/// 1-D convolution layer: `output = conv1d(input, weight) [+ b]`
25///
26/// Input shape: `[N, C_in, L_in ]`
27/// Output shape: `[N, C_out, L_out]`
28///
29/// where: `L_out = (L_in + 2*padding - kernel_l) / stride + 1`
30pub struct Conv1d<D: Dtype, IT, OT, const RANK: usize> {
31 /// Number of input channels.
32 pub in_channels: usize,
33 /// Number of output channels.
34 pub out_channels: usize,
35 /// Convolution kernel length.
36 pub kernel_l: usize,
37 /// Stride.
38 pub stride: usize,
39 /// Zero-padding applied to both sides of the input.
40 pub padding: usize,
41 /// Whether to add a learned bias.
42 pub has_bias: bool,
43 _pd: PhantomData<(D, IT, OT)>,
44}
45
46impl<D: Dtype, IT, OT, const RANK: usize> Conv1d<D, IT, OT, RANK> {
47 /// Creates a new `Conv1d` layer.
48 pub fn new(
49 in_channels: usize,
50 out_channels: usize,
51 kernel_size: usize,
52 stride: usize,
53 padding: usize,
54 has_bias: bool,
55 ) -> Self {
56 Self {
57 in_channels,
58 out_channels,
59 kernel_l: kernel_size,
60 stride,
61 padding,
62 has_bias,
63 _pd: PhantomData,
64 }
65 }
66}
67
68impl<D: Dtype, IT: Tensor<D, RANK> + EagerTensor, OT: Tensor<D, RANK>, const RANK: usize> Layer<IT>
69 for Conv1d<D, IT, OT, RANK>
70{
71 type Output = OT;
72 fn call(&self, _input: IT) -> Self::Output {
73 todo!()
74 }
75}