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diff --git a/runtime/libs/tflite/include/tflite/Quantization.h b/runtime/libs/tflite/include/tflite/Quantization.h
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+++ b/runtime/libs/tflite/include/tflite/Quantization.h
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+/*
+ * Copyright (c) 2018 Samsung Electronics Co., Ltd. All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @file     Quantization.h
+ * @brief    This file contains BitwiseIntToFloat union and quantization related
+ * @ingroup  COM_AI_RUNTIME
+ */
+
+#ifndef __NNFW_TFLITE_QUANTIZATION_H__
+#define __NNFW_TFLITE_QUANTIZATION_H__
+
+/**
+ * @brief Union to provide bitwise conversion of integer and float
+ */
+union BitwiseIntToFloat {
+  int i;
+  float f;
+};
+
+static const float FLOAT_NEAREST_TO_1 = BitwiseIntToFloat{0x3f7fffff}.f;
+
+#include "tensorflow/lite/context.h"
+
+/**
+ * @brief   Get TfLiteQuantizationParams object with default values
+ * @return  TfLiteQuantizationParams object
+ */
+TfLiteQuantizationParams make_default_quantization(void);
+
+#endif // __NNFW_TFLITE_QUANTIZATION_H__