3 files changed, 22 insertions, 1 deletions
diff --git a/arm_compute/core/NEON/kernels/NEElementwiseUnaryKernel.h b/arm_compute/core/NEON/kernels/NEElementwiseUnaryKernel.h
index f632b1a93a..2c019b52f0 100644
--- a/arm_compute/core/NEON/kernels/NEElementwiseUnaryKernel.h
+++ b/arm_compute/core/NEON/kernels/NEElementwiseUnaryKernel.h
@@ -88,7 +88,7 @@ public:
 
 protected:
     // Inherited methods overridden:
-    static Status validate_arguments(const ITensorInfo &input, const ITensorInfo &output);
+    static Status validate_arguments(ElementWiseUnary op, const ITensorInfo &input, const ITensorInfo &output);
 
     /** Function to use for the particular tensor types passed to configure() */
     std::function<void(const ITensor *input, ITensor *output, const Window &window)> _function;
diff --git a/arm_compute/core/Types.h b/arm_compute/core/Types.h
index a2dfbb7d82..544ebff410 100644
--- a/arm_compute/core/Types.h
+++ b/arm_compute/core/Types.h
@@ -578,6 +578,7 @@ enum class ElementWiseUnary
 {
     RSQRT, /**< Reverse square root */
     EXP,   /**< Exponential */
+    NEG,   /**< Negate */
 };
 
 /** The normalization type used for the normalization layer */
diff --git a/arm_compute/runtime/NEON/functions/NEElementwiseUnaryLayer.h b/arm_compute/runtime/NEON/functions/NEElementwiseUnaryLayer.h
index 76827903fa..f4b7e89889 100644
--- a/arm_compute/runtime/NEON/functions/NEElementwiseUnaryLayer.h
+++ b/arm_compute/runtime/NEON/functions/NEElementwiseUnaryLayer.h
@@ -69,5 +69,25 @@ public:
      */
     static Status validate(const ITensorInfo *input, const ITensorInfo *output);
 };
+
+/** Basic function to negate an input tensor. */
+class NENegLayer : public INESimpleFunction
+{
+public:
+    /** Initialize the function
+     *
+     * @param[in]  input  Input tensor. Data types supported: F16/F32/S32.
+     * @param[out] output Output tensor. Data types supported: same as @p input.
+     */
+    void configure(const ITensor *input, ITensor *output);
+    /** Static function to check if given info will lead to a valid configuration of @ref NENegLayer
+     *
+     * @param[in] input  First tensor input info. Data types supported: F16/F32/S32.
+     * @param[in] output Output tensor info. Data types supported: Same as @p input.
+     *
+     * @return a status
+     */
+    static Status validate(const ITensorInfo *input, const ITensorInfo *output);
+};
 } // namespace arm_compute
 #endif /* __ARM_COMPUTE_NEELEMENTWISEUNARYLAYER_H__ */