EVOLUTION-MANAGER

Edit File: roll_op.h

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==============================================================================*/

#ifndef TENSORFLOW_ROLL_H
#define TENSORFLOW_ROLL_H

#include "third_party/eigen3/unsupported/Eigen/CXX11/Tensor"
#include "tensorflow/core/framework/numeric_types.h"
#include "tensorflow/core/framework/op_kernel.h"
#include "tensorflow/core/framework/tensor_types.h"

namespace tensorflow {
namespace functor {

template <typename Device, typename T>
struct Roll {
  // dim_size - the size of each dimension
  // dim_range - the number of indices over in the flattened tensor
  //    you need to skip in order to make it over from one side of a dimension
  //    to the other. Used to make the shifts wrap around after a threshold.
  // threshold - the index for each dimension that the roll starts to wrap
  //    back to the front
  // isd - inner shift dimension
  void operator()(const OpKernelContext* context, const int64 num_elements,
                  const int num_dims, const gtl::ArraySlice<int32> dim_size,
                  const T* input, T* output,
                  const gtl::ArraySlice<int32> threshold,
                  const gtl::ArraySlice<int64> dim_range, const int64 isd);
};

}  // namespace functor
}  // namespace tensorflow

#endif  // TENSORFLOW_ROLLL_H