Sign

Versioned name: Sign-1

Category: Arithmetic unary operation

Short description: Sign performs element-wise sign operation with given tensor.

Attributes:

No attributes available.

Inputs

• 1: An tensor of type T. Required.

Outputs

• 1: The result of element-wise sign operation. A tensor of type T with mapped elements of the input tensor to -1 (if it is negative), 0 (if it is zero), or 1 (if it is positive).

Types

• T: any numeric type.

Sign does the following with the input tensor a:

\[ a_{i} = sign(a_{i}) \]

Examples

Example 1

<layer ... type="Sign">
    <input>
        <port id="0">
            <dim>256</dim>
            <dim>56</dim>
        </port>
    </input>
    <output>
        <port id="1">
            <dim>256</dim>
            <dim>56</dim>
        </port>
    </output>
</layer>