1 files changed, 84 insertions, 0 deletions
diff --git a/include/util/tensor/Shape.h b/include/util/tensor/Shape.h
new file mode 100644
index 000000000..a4401c1ed
--- /dev/null
+++ b/include/util/tensor/Shape.h
@@ -0,0 +1,84 @@
+/*
+ * 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 __NNFW_UTIL_TENSOR_SHAPE_H__
+#define __NNFW_UTIL_TENSOR_SHAPE_H__
+
+#include <cstdint>
+#include <cstddef>
+#include <deque>
+#include <initializer_list>
+#include <ostream>
+#include <string>
+
+namespace nnfw
+{
+namespace util
+{
+namespace tensor
+{
+
+class Shape
+{
+public:
+  Shape(size_t rank) { _dimensions.resize(rank); }
+
+public:
+  Shape(const std::initializer_list<int32_t> &dimensions) : _dimensions{dimensions}
+  {
+    // DO NOTHING
+  }
+
+  Shape(const Shape &origin) = default;
+
+public:
+  void prepend(int32_t d) { _dimensions.emplace_front(d); }
+  void append(int32_t d) { _dimensions.emplace_back(d); }
+
+public:
+  size_t rank(void) const { return _dimensions.size(); }
+
+public:
+  int32_t dim(size_t n) const { return _dimensions.at(n); }
+  int32_t &dim(size_t n) { return _dimensions.at(n); }
+
+public:
+  size_t element_nums() const
+  {
+    size_t nums = 1;
+    for (auto d : _dimensions)
+    {
+      nums *= d;
+    }
+    return nums;
+  }
+
+private:
+  std::deque<int32_t> _dimensions;
+
+public:
+  static Shape from(const std::string &s);
+};
+
+bool operator==(const Shape &, const Shape &);
+
+std::ostream &operator<<(std::ostream &os, const Shape &shape);
+
+} // namespace tensor
+} // namespace util
+} // namespace nnfw
+
+#endif // __NNFW_UTIL_TENSOR_SHAPE_H__