.. SPDX-FileCopyrightText: 2020-2021 Intel Corporation .. .. SPDX-License-Identifier: CC-BY-4.0 --- Log --- **Versioned name**: *Log-1* **Category**: *Arithmetic* **Short description**: *Log* performs element-wise natural logarithm operation with given tensor. **OpenVINO description**: This OP is as same as `OpenVINO OP `__ **Attributes**: No attributes available. **Inputs**: * **1**: ``input`` - input tensor. **Required.** * **Type**: T **Outputs** * **1**: ``output`` - the output tensor of log operation. * **Type**: T **Types** * *T*: f32, f16, bf16. * **Note**: Inputs and outputs have the same data type denoted by *T*. For example, if input is f32 tensor, then all other tensors have f32 data type. *Log* does the following with the input tensor *a*: .. math:: a_{i} = log(a_{i})