[tflite_loader] implement tanh (#7126)

It adds tanh operator in tflite_loader.

Signed-off-by: Sanggyu Lee <sg5.lee@samsung.com>

diff --git a/runtimes/neurun/frontend/tflite/loader.cc b/runtimes/neurun/frontend/tflite/loader.cc
index 2d88584..ba95cc8 100644 (file)
--- a/runtimes/neurun/frontend/tflite/loader.cc
+++ b/runtimes/neurun/frontend/tflite/loader.cc
@@ -385,6 +385,17 @@ void Loader::loadRelu6(const tflite::Operator *op)
   _graph.addOperation(std::move(new_op));
 }
 
+void Loader::loadTanh(const tflite::Operator *op)
+{
+  model::OperandIndexSequence inputs;
+  model::OperandIndexSequence outputs;
+
+  loadOperationIO(op, inputs, outputs);
+
+  std::unique_ptr<model::Operation> new_op(new model::operation::TanhNode(inputs, outputs));
+  _graph.addOperation(std::move(new_op));
+}
+
 void Loader::loadTranspose(const tflite::Operator *op)
 {
   model::OperandIndexSequence inputs;
@@ -461,6 +472,9 @@ void Loader::loadOperation(const tflite::Operator *op)
     case BuiltinOperator_RELU6:
       loadRelu6(op);
       return;
+    case BuiltinOperator_TANH:
+      loadTanh(op);
+      return;
     case BuiltinOperator_TRANSPOSE:
       loadTranspose(op);
       return;

diff --git a/runtimes/neurun/frontend/tflite/loader.h b/runtimes/neurun/frontend/tflite/loader.h
index 5c659d6..2d7d44d 100644 (file)
--- a/runtimes/neurun/frontend/tflite/loader.h
+++ b/runtimes/neurun/frontend/tflite/loader.h
@@ -87,8 +87,9 @@ private:
   void loadSub(const tflite::Operator *op);
   void loadRelu(const tflite::Operator *op);
   void loadRelu6(const tflite::Operator *op);
-  void loadTranspose(const tflite::Operator *op);
   void loadRsqrt(const tflite::Operator *op);
+  void loadTranspose(const tflite::Operator *op);
+  void loadTanh(const tflite::Operator *op);
 
 private:
   // Buffer for loading (if needed)