EVOLUTION-MANAGER

Edit File: mirror_pad_mode.h

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
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http://www.apache.org/licenses/LICENSE-2.0

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distributed under the License is distributed on an "AS IS" BASIS,
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==============================================================================*/

#ifndef TENSORFLOW_CORE_UTIL_MIRROR_PAD_MODE_H_
#define TENSORFLOW_CORE_UTIL_MIRROR_PAD_MODE_H_

// This file contains helper routines to deal with padding in various ops and
// kernels.

#include <string>

#include "tensorflow/core/lib/core/status.h"

namespace tensorflow {

// REFLECT: Border elements are not mirrored to padded regions.
// SYMMETRIC: Border elements are mirrored to padded regions.
//
// For example, if two elements are padded to the right of an array [1, 2, 3],
// then the result is [1, 2, 3, 2, 1] for REFLECT mode, and is [1, 2, 3, 3, 2]
// for SYMMETRIC mode.
enum class MirrorPadMode {
  REFLECT = 1,
  SYMMETRIC = 2,
};

// Return the string containing the list of valid padding modes, that can be
// used as an Attr() in REGISTER_OP.
string GetMirrorPadModeAttrString();

// Forward declaration to avoid including core/framework/graph.proto.
class NodeDef;

// Specialization to parse an attribute directly into a MirrorPadMode enum.
Status GetNodeAttr(const NodeDef& node_def, StringPiece attr_name,
                   MirrorPadMode* value);

}  // end namespace tensorflow

#endif  // TENSORFLOW_CORE_UTIL_MIRROR_PAD_MODE_H_