.. index:: pair: page; Elu .. _doxid-dev_guide_op_elu: Elu === General ~~~~~~~ Elu operation applies following formula on every element of :math:`\src` tensor (the variable names follow the standard :ref:`Naming Conventions `): .. math:: dst = \begin{cases} \alpha(e^{src} - 1) & \text{if}\ src < 0 \\ src & \text{if}\ src \ge 0 \end{cases} Operation attributes ~~~~~~~~~~~~~~~~~~~~ ================================================================================================================== =============================== =========== ================================= ===================== Attribute Name Description Value Type Supported Values Required or Optional ================================================================================================================== =============================== =========== ================================= ===================== :ref:`alpha ` Scale for the negative factor. f32 Arbitrary non-negative f32 value Required ================================================================================================================== =============================== =========== ================================= ===================== Execution arguments ~~~~~~~~~~~~~~~~~~~ The inputs and outputs must be provided according to below index order when constructing an operation. Inputs ------ ====== ============== ===================== Index Argument Name Required or Optional ====== ============== ===================== 0 ``src`` Required ====== ============== ===================== Outputs ------- ====== ============== ===================== Index Argument Name Required or Optional ====== ============== ===================== 0 ``dst`` Required ====== ============== ===================== Supported data types ~~~~~~~~~~~~~~~~~~~~ Elu operation supports the following data type combinations. ===== ===== Src Dst ===== ===== f32 f32 f16 f16 bf16 bf16 ===== =====