.. index:: pair: page; Log .. _doxid-dev_guide_op_log: Log === General ~~~~~~~ Log operation performs element-wise natural logarithm operation with given tensor, it applies following formula on every element of :math:`\src` tensor (the variable names follow the standard :ref:`Naming Conventions `): .. math:: dst = \log(src) Operation attributes ~~~~~~~~~~~~~~~~~~~~ Log operation does not support any attribute. Execution arguments ~~~~~~~~~~~~~~~~~~~ The inputs and outputs must be provided according to below index order when constructing an operation. Inputs ------ ====== ======== ========= Index Argu ====== ======== ========= 0 ``src`` Required ====== ======== ========= Outputs ------- ====== ======== ========= Index Argu ====== ======== ========= 0 ``dst`` Required ====== ======== ========= Supported data types ~~~~~~~~~~~~~~~~~~~~ Log operation supports the following data type combinations. ===== ===== Src D ===== ===== f32 f32 f16 f16 bf16 bf16 ===== =====