add missing element in doc

docs/SUMMARY.md

@@ -59,6 +59,7 @@
     * [tensor.less](framework/operators/tensor/tensor.less.md)
     * [tensor.less\_equal](framework/operators/tensor/tensor.less\_equal.md)
     * [tensor.abs](framework/operators/tensor/tensor.abs.md)
+    * [tensor.neg](framework/operators/tensor/tensor.neg.md)
     * [tensor.ceil](framework/operators/tensor/tensor.ceil.md)
     * [tensor.cumsum](framework/operators/tensor/tensor.cumsum.md)
     * [tensor.sin](framework/operators/tensor/tensor.sin.md)

docs/framework/compatibility.md

@@ -18,6 +18,7 @@ You can see below the list of current supported ONNX Operators:
 |             [Less](operators/tensor/tensor.less.md)             | :white\_check\_mark: |
 |      [LessOrEqual](operators/tensor/tensor.less\_equal.md)      | :white\_check\_mark: |
 |              [Abs](operators/tensor/tensor.abs.md)              | :white\_check\_mark: |
+|              [Neg](operators/tensor/tensor.neg.md)              | :white\_check\_mark: |
 |             [Ceil](operators/tensor/tensor.ceil.md)             | :white\_check\_mark: |
 |              [Exp](operators/tensor/tensor.exp.md)              | :white\_check\_mark: |
 |              [Ln](operators/tensor/tensor.log.md)               | :white\_check\_mark: |

docs/framework/operators/tensor/README.md

@@ -60,6 +60,7 @@ use orion::operators::tensor::TensorTrait;
 | [`tensor.exp`](tensor.exp.md) | Computes the exponential of all elements of the input tensor. |
 | [`tensor.log`](tensor.log.md) | Computes the natural log of all elements of the input tensor. |
 | [`tensor.abs`](tensor.abs.md) | Computes the absolute value of all elements in the input tensor. |
+| [`tensor.neg`](tensor.neg.md) | Computes the negation of all elements in the input tensor. |
 | [`tensor.ceil`](tensor.ceil.md) | Rounds up the value of each element in the input tensor. |
 | [`tensor.sqrt`](tensor.sqrt.md) | Computes the square root of all elements of the input tensor. |
 | [`tensor.sin`](tensor.sin.md) | Computes the sine of all elements of the input tensor. |

src/operators/tensor/core.cairo

@@ -56,6 +56,7 @@ impl TensorSerde<T, impl TSerde: Serde<T>, impl TDrop: Drop<T>> of Serde<Tensor<
 /// exp - Computes the exponential of all elements of the input tensor.
 /// log - Computes the natural log of all elements of the input tensor.
 /// abs - Computes the absolute value of all elements in the input tensor.
+/// neg - Computes the negation of all elements in the input tensor.
 /// ceil - Rounds up the value of each element in the input tensor.
 /// sqrt - Computes the square root of all elements of the input tensor.
 /// sin - Computes the sine of all elements of the input tensor.