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>