tract_hir/ops/array/
pad.rs

1use crate::infer::*;
2use crate::internal::*;
3
4pub use tract_core::ops::array::{Pad, PadMode};
5
6impl InferenceRulesOp for Pad {
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].datum_type, &outputs[0].datum_type)?;
16        s.equals(&inputs[0].rank, &outputs[0].rank)?;
17        for (ix, &(a, b)) in self.pads.iter().enumerate() {
18            s.equals(&inputs[0].shape[ix], outputs[0].shape[ix].bex() - a.to_dim() - b.to_dim())?;
19        }
20        Ok(())
21    }
22
23    as_op!();
24    to_typed!();
25}