warp.smoothstep
===============

.. function:: warp._src.lang.smoothstep(a: Float, b: Float, x: Float) -> Float

   .. hlist::
      :columns: 8

      * Kernel
      * Differentiable

   Smoothly interpolate between two values ``a`` and ``b`` using a factor ``x``,
   and return a result between 0 and 1 using a cubic Hermite interpolation after clamping.