1 files changed, 47 insertions, 9 deletions
diff --git a/runtimes/pure_arm_compute/src/internal/op/Rnn.h b/runtimes/pure_arm_compute/src/internal/op/Rnn.h
index c436a0987..7b2a10843 100644
--- a/runtimes/pure_arm_compute/src/internal/op/Rnn.h
+++ b/runtimes/pure_arm_compute/src/internal/op/Rnn.h
@@ -14,6 +14,12 @@
  * limitations under the License.
  */
 
+/**
+ * @file Rnn.h
+ * @ingroup COM_AI_RUNTIME
+ * @brief This file defines RNN node
+ */
+
 #ifndef __INTERNAL_OP_RNN_H__
 #define __INTERNAL_OP_RNN_H__
 
@@ -30,41 +36,73 @@ namespace op
 namespace RNN
 {
 
+/**
+ * @brief Struct to manipulate parameter for RNN operation
+ */
 struct Param
 {
-  int32_t output_index;
-  int32_t hidden_state_out_index;
+  int32_t output_index;           //!< index for ouuput
+  int32_t hidden_state_out_index; //!< index for hidden state output
 
-  int32_t input_index;
-  int32_t weights_index;
-  int32_t recurrent_weights_index;
-  int32_t bias_index;
-  int32_t hidden_state_in_index;
-  int32_t fused_activation_index;
+  int32_t input_index;             //!< index for input
+  int32_t weights_index;           //!< index for weight
+  int32_t recurrent_weights_index; //!< index for recurrent weights
+  int32_t bias_index;              //!< index for bias
+  int32_t hidden_state_in_index;   //!< index for hidden state input
+  int32_t fused_activation_index;  //!< index for fused activation
 
+  /**
+   * @brief Default Constructor
+   */
   Param() = default;
+  /**
+   * @brief Construct a new Param object
+   * @param[in] inputCount the number of inputs
+   * @param[in] inputs pointer for input data
+   * @param[in] outputCount the number of outputs
+   * @param[in] outputs pointer for input data
+   */
   Param(uint32_t inputCount, const uint32_t *inputs, uint32_t outputCount, const uint32_t *outputs);
 };
 
+/**
+ * @brief Class to define RNN Operation
+ */
 class Node final : public op::Node
 {
 public:
+  /**
+   * @brief Construct a new RNN Node object
+   * @param param Parameter for RNN Node
+   */
   Node(const Param &param) : _param(param)
   {
     // DO NOTHING
   }
 
 public:
+  /**
+   * @brief Default Destructor
+   */
   virtual ~Node() = default;
 
 public:
+  /**
+   * @brief Get parameter
+   * @return Param reference
+   */
   const Param &param(void) const { return _param; }
 
 public:
+  /**
+   * @brief Accept a NodeVisitor so that it can visit this node
+   * @param [in] v Visitor
+   * @return N/A
+   */
   void accept(NodeVisitor &&) const override;
 
 private:
-  const Param _param;
+  const Param _param; //!< parameter for RNN node
 };
 
 } // namespace RNN