Merge changes from github.

Change: 139516555

1 files changed, 38 insertions, 0 deletions

diff --git a/tensorflow/core/platform/setround.h b/tensorflow/core/platform/setround.h
new file mode 100644
index 0000000000..4b1b3fd497
--- /dev/null
+++ b/tensorflow/core/platform/setround.h
@@ -0,0 +1,38 @@
+/* Copyright 2015 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.
+==============================================================================*/
+
+#ifndef TENSORFLOW_PLATFORM_SETROUND_H_
+#define TENSORFLOW_PLATFORM_SETROUND_H_
+
+#include "tensorflow/core/platform/macros.h"
+
+namespace tensorflow {
+namespace port {
+
+// While this class is active, floating point numbers are rounded to NEAREST
+// to zero.  The destructor restores the original flags.
+class ScopedSetRound {
+ public:
+  ScopedSetRound();
+  ~ScopedSetRound();
+
+ private:
+  TF_DISALLOW_COPY_AND_ASSIGN(ScopedSetRound);
+};
+
+}  // namespace port
+}  // namespace tensorflow
+
+#endif  // TENSORFLOW_PLATFORM_SETROUN_H_