1 files changed, 45 insertions, 0 deletions
diff --git a/runtime/neurun/backend/cpu/operand/Tensor.cc b/runtime/neurun/backend/cpu/operand/Tensor.cc
new file mode 100644
index 000000000..21d4a9dce
--- /dev/null
+++ b/runtime/neurun/backend/cpu/operand/Tensor.cc
@@ -0,0 +1,45 @@
+/*
+ * 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.
+ */
+
+#include "Tensor.h"
+
+namespace neurun
+{
+namespace backend
+{
+namespace cpu
+{
+namespace operand
+{
+
+size_t Tensor::calcOffset(const neurun::util::Coordinates &coords) const
+{
+  size_t rank = num_dimensions();
+  size_t offset = 0;
+  for (size_t i = 0; i < rank; ++i)
+  {
+    offset = offset * dimension(i) + coords[i];
+  }
+  offset *= sizeOfDataType(data_type());
+  return offset;
+}
+
+void Tensor::access(const std::function<void(ITensor &)> &fn) { fn(*this); }
+
+} // namespace operand
+} // namespace cpu
+} // namespace backend
+} // namespace neurun