tract_hir/ops/
downsample.rs

1use crate::infer::*;
2use crate::internal::*;
3
4pub use tract_core::ops::downsample::Downsample;
5
6impl InferenceRulesOp for Downsample {
7    fn rules<'r, 'p: 'r, 's: 'r>(
8        &'s self,
9        s: &mut Solver<'r>,
10        inputs: &'p [TensorProxy],
11        outputs: &'p [TensorProxy],
12    ) -> InferenceResult {
13        check_input_arity(inputs, 1)?;
14        check_output_arity(outputs, 1)?;
15        s.equals(&inputs[0].rank, &outputs[0].rank)?;
16        s.equals(&inputs[0].datum_type, &outputs[0].datum_type)?;
17        s.given(&inputs[0].rank, move |s, r| {
18            for i in 0..(r as usize) {
19                if i == self.axis {
20                    s.given(&inputs[0].shape[i], move |s, d| {
21                        s.equals(
22                            &outputs[0].shape[i],
23                            (d - self.modulo).div_ceil(self.stride as u64),
24                        )
25                    })?
26                } else {
27                    s.equals(&inputs[0].shape[i], &outputs[0].shape[i])?
28                }
29            }
30            Ok(())
31        })
32    }
33
34    as_op!();
35    to_typed!();
36}
tract_hir/ops/downsample.rs

tract_hir/ops/
downsample.rs
