1 files changed, 99 insertions, 0 deletions
diff --git a/libs/misc/src/tensor/Shape.cpp b/libs/misc/src/tensor/Shape.cpp
new file mode 100644
index 000000000..675695e8e
--- /dev/null
+++ b/libs/misc/src/tensor/Shape.cpp
@@ -0,0 +1,99 @@
+/*
+ * 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 "misc/tensor/Shape.h"
+
+#include <cassert>
+
+namespace nnfw
+{
+namespace misc
+{
+namespace tensor
+{
+
+bool operator==(const Shape &lhs, const Shape &rhs)
+{
+  if (lhs.rank() != rhs.rank())
+  {
+    return false;
+  }
+
+  for (size_t axis = 0; axis < lhs.rank(); ++axis)
+  {
+    if (lhs.dim(axis) != rhs.dim(axis))
+    {
+      return false;
+    }
+  }
+
+  return true;
+}
+
+Shape Shape::from(const std::string &str)
+{
+  Shape shape(0);
+
+  bool pending = false;
+  int value = 0;
+
+  for (const char *cur = str.c_str(); true; ++cur)
+  {
+    if (*cur == ',' || *cur == '\0')
+    {
+      if (pending)
+      {
+        shape.append(value);
+      }
+
+      if (*cur == '\0')
+      {
+        break;
+      }
+
+      pending = false;
+      value = 0;
+      continue;
+    }
+
+    assert(*cur >= '0' && *cur <= '9');
+
+    pending = true;
+    value *= 10;
+    value += *cur - '0';
+  }
+
+  return shape;
+}
+
+std::ostream &operator<<(std::ostream &os, const Shape &shape)
+{
+  if (shape.rank() > 0)
+  {
+    os << shape.dim(0);
+
+    for (uint32_t axis = 1; axis < shape.rank(); ++axis)
+    {
+      os << "," << shape.dim(axis);
+    }
+  }
+
+  return os;
+}
+
+} // namespace tensor
+} // namespace misc
+} // namespace nnfw