1 files changed, 82 insertions, 0 deletions
diff --git a/include/util/feature/TextFormatter.h b/include/util/feature/TextFormatter.h
new file mode 100644
index 000000000..de5c4c13a
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+++ b/include/util/feature/TextFormatter.h
@@ -0,0 +1,82 @@
+/*
+ * 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_FEATURE_TEXT_FORMATTER_H__
+#define __NNFW_UTIL_FEATURE_TEXT_FORMATTER_H__
+
+#include "util/feature/Shape.h"
+#include "util/feature/Reader.h"
+
+#include <ostream>
+#include <iomanip>
+#include <limits>
+
+namespace nnfw
+{
+namespace util
+{
+namespace feature
+{
+
+template <typename T> class TextFormatter
+{
+public:
+  TextFormatter(const Shape &shape, const Reader<T> &data) : _shape(shape), _data(data)
+  {
+    // DO NOTHING
+  }
+
+public:
+  const Shape &shape(void) const { return _shape; }
+  const Reader<T> &data(void) const { return _data; }
+
+private:
+  const Shape &_shape;
+  const Reader<T> &_data;
+};
+
+template <typename T> std::ostream &operator<<(std::ostream &os, const TextFormatter<T> &fmt)
+{
+  const auto &shape = fmt.shape();
+
+  for (uint32_t ch = 0; ch < shape.C; ++ch)
+  {
+    os << "  Channel " << ch << ":" << std::endl;
+    for (uint32_t row = 0; row < shape.H; ++row)
+    {
+      os << "    ";
+      for (uint32_t col = 0; col < shape.W; ++col)
+      {
+        const auto value = fmt.data().at(ch, row, col);
+        os << std::right;
+        os << std::fixed;
+        os << std::setw(std::numeric_limits<T>::digits10 + 2);
+        os << std::setprecision(5);
+        os << value;
+        os << " ";
+      }
+      os << std::endl;
+    }
+  }
+
+  return os;
+}
+
+} // namespace feature
+} // namespace util
+} // namespace nnfw
+
+#endif // __NNFW_UTIL_FEATURE_TEXT_FORMATTER_H__