function relu_(x) {
	  var $x = convertToTensor(x, 'x', 'relu');
	  var inputs = {
	    x: $x
	  };
	  return ENGINE.runKernel(Relu, inputs);
	}
Computes rectified linear element-wise: `max(x, 0)`.

```js
const x = tf.tensor1d([-1, 2, -3, 4]);

x.relu().print();  // or tf.relu(x)
```
@param x The input tensor. If the dtype is `bool`, the output dtype will be
    `int32'.

@doc {heading: 'Operations', subheading: 'Basic math'}