1 files changed, 60 insertions, 0 deletions
diff --git a/compiler/angkor/src/ADT/tensor/LexicalLayout.cpp b/compiler/angkor/src/ADT/tensor/LexicalLayout.cpp
new file mode 100644
index 000000000..671c60cec
--- /dev/null
+++ b/compiler/angkor/src/ADT/tensor/LexicalLayout.cpp
@@ -0,0 +1,60 @@
+/*
+ * 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 "nncc/core/ADT/tensor/LexicalLayout.h"
+
+#include <cassert>
+
+using nncc::core::ADT::tensor::Shape;
+using nncc::core::ADT::tensor::Index;
+
+// NOTE This forward declaration is introduced to minimize code diff
+static uint32_t lexical_offset(const Shape &shape, const Index &index)
+{
+  assert(shape.rank() > 0);
+  assert(shape.rank() == index.rank());
+
+  const uint32_t rank = shape.rank();
+
+  uint32_t res = index.at(0);
+
+  for (uint32_t axis = 1; axis < rank; ++axis)
+  {
+    res *= shape.dim(axis);
+    res += index.at(axis);
+  }
+
+  return res;
+}
+
+namespace nncc
+{
+namespace core
+{
+namespace ADT
+{
+namespace tensor
+{
+
+LexicalLayout::LexicalLayout() : Layout(lexical_offset)
+{
+  // DO NOTHING
+}
+
+} // namespace tensor
+} // namespace ADT
+} // namespace core
+} // namespace nncc