def _BatchFFT2DGrad(_, grad):
size = math_ops.cast(_FFTSizeForGrad(grad, 2), dtypes.float32)
return math_ops.batch_ifft2d(grad) * math_ops.complex(size, 0.)
def _BatchFFT2DGrad(_, grad): size = math_ops.cast(_FFTSizeForGrad(grad, 2), dtypes.float32) return math_ops.batch_ifft2d(grad) * math_ops.complex(size, 0.)
