warp.tile\_ifft
===============

.. currentmodule:: warp._src.lang

.. function:: tile_ifft(inout: Tile[Vector[Float, Literal[2]], tuple[int, ...]]) -> None

   .. wp-function-tags::
      :kernel: true
      :python: false
      :differentiable: true

   Compute the inverse FFT along the last dimension of an N-D tile, in place.
   
   Identical to :func:`~warp.tile_fft` apart from the sign of the exponent:
   ``x[n] = sum_k X[k] * exp(+2*pi*i*k*n/N)``. The transform is unnormalized -- it does
   not divide by ``N`` -- so a forward transform followed by an inverse transform
   multiplies the data by ``N``. ``inout`` is overwritten with its inverse transform.
   
   Supported dtypes, tile requirements, backend selection, and the supported transform
   sizes are the same as for :func:`~warp.tile_fft`; see it for details and a usage
   example.
   
   This is a cooperative operation, so every thread in the block must call it.
   
   :param inout: The tile to transform in place.