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

.. currentmodule:: warp._src.lang

.. function:: sign(x: Scalar) -> Scalar

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

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

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

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

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