.. _op_ai_onnx_Abs-1: Abs - version 1 =============== This page documents version **1** of operator **Abs**. See :doc:`Abs` for the latest version (since version 13). - **Domain**: ``ai.onnx`` - **Since version**: 1 Absolute takes one input data (Tensor ) and produces one output data (Tensor ) where absolute value, y = abs(x), is applied to the tensor elementwise. **Inputs** - **X** (*T*): Input tensor **Outputs** - **Y** (*T*): Output tensor **Type Constraints** - **T**: Constrain input and output types to float tensors. Allowed types: tensor(double), tensor(float), tensor(float16).