1 files changed, 54 insertions, 0 deletions
diff --git a/runtime/neurun/core/include/backend/operand/ITensor.h b/runtime/neurun/core/include/backend/operand/ITensor.h
new file mode 100644
index 000000000..c278b01a0
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+++ b/runtime/neurun/core/include/backend/operand/ITensor.h
@@ -0,0 +1,54 @@
+/*
+ * 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.
+ */
+
+#ifndef __NEURUN_BACKEND_OPERAND_I_TENSOR_H__
+#define __NEURUN_BACKEND_OPERAND_I_TENSOR_H__
+
+#include <cstring>
+#include <cstdint>
+#include <functional>
+
+#include "ir/Layout.h"
+#include "util/Coordinates.h"
+
+namespace neurun
+{
+namespace backend
+{
+namespace operand
+{
+
+class ITensor
+{
+public:
+  virtual ~ITensor() = default;
+
+public:
+  virtual uint8_t *buffer() const = 0;
+  virtual size_t total_size() const = 0;
+  virtual size_t dimension(size_t index) const = 0;
+  virtual size_t num_dimensions() const = 0;
+  virtual size_t calcOffset(const neurun::util::Coordinates &coords) const = 0;
+  virtual ir::Layout layout() const = 0;
+  virtual bool has_padding() const = 0;
+  virtual void access(const std::function<void(ITensor &tensor)> &fn) = 0;
+};
+
+} // namespace operand
+} // namespace backend
+} // namespace neurun
+
+#endif // __NEURUN_BACKEND_OPERAND_I_TENSOR_H__