1 files changed, 34 insertions, 0 deletions
diff --git a/tensorflow/contrib/lite/toco/tensorflow_graph_matching/cluster_utils.cc b/tensorflow/contrib/lite/toco/tensorflow_graph_matching/cluster_utils.cc
new file mode 100644
index 0000000000..14c3cd6487
--- /dev/null
+++ b/tensorflow/contrib/lite/toco/tensorflow_graph_matching/cluster_utils.cc
@@ -0,0 +1,34 @@
+/* Copyright 2017 The TensorFlow Authors. 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 <string>
+#include "tensorflow/contrib/lite/toco/toco_types.h"
+namespace toco {
+
+bool StrContains(const string& x, const string& search_pattern) {
+  return x.find(search_pattern) != string::npos;
+}
+
+void Transpose2DTensor(const float* tensor, int row, int col,
+                       float* transposed_tensor) {
+  float* result = transposed_tensor;
+  for (int r = 0; r < row; ++r) {
+    for (int c = 0; c < col; ++c) {
+      *(result + c * row) = *tensor++;
+    }
+    ++result;
+  }
+}
+
+}  // end namespace toco