COMPMID-1973: Implement FFTConvolutionLayer on NEON

Change-Id: I2e667c0411bda0164a616ffe44473a78de6752c9
Signed-off-by: giuros01 <giuseppe.rossini@arm.com>
Reviewed-on: https://review.mlplatform.org/c/1066
Reviewed-by: Gian Marco Iodice <gianmarco.iodice@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
diff --git a/arm_compute/runtime/NEON/functions/NEPixelWiseMultiplication.h b/arm_compute/runtime/NEON/functions/NEPixelWiseMultiplication.h
index 869dd4e..53c27c4 100644
--- a/arm_compute/runtime/NEON/functions/NEPixelWiseMultiplication.h
+++ b/arm_compute/runtime/NEON/functions/NEPixelWiseMultiplication.h
@@ -68,5 +68,27 @@
      */
     static Status validate(const ITensorInfo *input1, const ITensorInfo *input2, const ITensorInfo *output, float scale, ConvertPolicy overflow_policy, RoundingPolicy rounding_policy);
 };
+
+/** Basic function to run @ref NEComplexPixelWiseMultiplicationKernel. */
+class NEComplexPixelWiseMultiplication : public INESimpleFunction
+{
+public:
+    /** Initialise the kernel's inputs, output.
+     *
+     * @param[in, out] input1 An input tensor. Data types supported: F32. Number of channels supported: 2 (complex tensor).
+     *                        The input tensor is [in, out] because its TensorInfo might be modified inside the kernel in case of broadcasting of dimension 0.
+     * @param[in, out] input2 An input tensor. Data types supported: same as @p input1. Number of channels supported: same as @p input1.
+     *                        The input tensor is [in, out] because its TensorInfo might be modified inside the kernel in case of broadcasting of dimension 0.
+     * @param[out]     output The output tensor. Data types supported: same as @p input1. Number of channels: same as @p input1.
+     */
+    void configure(ITensor *input1, ITensor *input2, ITensor *output);
+    /** Static function to check if given info will lead to a valid configuration of @ref NEComplexPixelWiseMultiplication
+     *
+     * @param[in] input1 An input tensor info. Data types supported: F32. Number of channels supported: 2 (complex tensor).
+     * @param[in] input2 An input tensor info. Data types supported: same as @p input1. Number of channels supported: same as @p input1.
+     * @param[in] output The output tensor info. Data types supported: same as @p input1. Number of channels supported: same as @p input1.
+     */
+    static Status validate(const ITensorInfo *input1, const ITensorInfo *input2, const ITensorInfo *output);
+};
 }
 #endif /*__ARM_COMPUTE_NEPIXELWISEMULTIPLICATION_H__ */