code: def _dct_interleave(x: Array, axis: int) -> Array:
      v0 = lax.slice_in_dim(x, None, None, 2, axis)
      v1 = lax.rev(lax.slice_in_dim(x, 1, None, 2, axis), (axis,))
      return lax.concatenate([v0, v1], axis)
  
file_path: jax/jax/_src/scipy/fft.py
imports: from __future__ import annotations
  from collections.abc import Sequence
  from functools import partial
  import math
  import scipy.fft
  from jax import lax
  import jax.numpy
  from jax._src.util import canonicalize_axis
  from jax._src.numpy.util import _wraps, promote_dtypes_complex
  from jax._src.typing import Array
label_desc: Use image node_id 2 for calling a global function with example usage: _dct_interleave(x, axis) and returns: lax