warp.sign
=========

.. function:: warp._src.lang.sign(x: Scalar) -> Scalar

   .. hlist::
      :columns: 8

      * Kernel

   Compute the sign of ``x``.
   
   :returns: -1 if ``x`` < 0 and 1 otherwise.
   

.. function:: warp._src.lang.sign(x: Vector[Scalar,Any]) -> Scalar
   :noindex:

   .. hlist::
      :columns: 8

      * Kernel
      * Differentiable

   Compute the sign of ``x``.
   
   :returns: -1 for negative elements of ``x`` and 1 otherwise.