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#ifndef TENSORFLOW_UTIL_PADDING_H_
#define TENSORFLOW_UTIL_PADDING_H_
// This file contains helper routines to deal with padding in various ops and
// kernels.
#include <string>
#include "tensorflow/core/framework/graph.pb.h"
#include "tensorflow/core/public/status.h"
namespace tensorflow {
// Padding: the padding we apply to the input tensor along the rows and columns
// dimensions. This is usually used to make sure that the spatial dimensions do
// not shrink when we progress with convolutions. Two types of padding are
// supported:
// VALID: No padding is carried out.
// SAME: The pad value is computed so that the output will have the same
// dimensions as the input.
// The padded area is zero-filled.
enum Padding {
VALID = 1, // No padding.
SAME = 2, // Input and output layers have the same size.
};
// Return the string containing the list of valid padding types, that can be
// used as an Attr() in REGISTER_OP.
string GetPaddingAttrString();
// Specialization to parse an attribute directly into a Padding enum.
Status GetNodeAttr(const NodeDef& node_def, const string& attr_name,
Padding* value);
} // end namespace tensorflow
#endif // TENSORFLOW_UTIL_PADDING_H_
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