EVOLUTION-MANAGER

Edit File: betainc_op.h

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,
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==============================================================================*/

#ifndef TENSORFLOW_CORE_KERNELS_BETAINC_OP_H_
#define TENSORFLOW_CORE_KERNELS_BETAINC_OP_H_
// Functor definition for BetaincOp, must be compilable by nvcc.

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

namespace tensorflow {
namespace functor {

// Functor used by BetaincOp to do the computations.
template <typename Device, typename T, int NDIM>
struct Betainc {
  void operator()(const Device& d, typename TTypes<T, NDIM>::ConstTensor a,
                  typename TTypes<T, NDIM>::ConstTensor b,
                  typename TTypes<T, NDIM>::ConstTensor x,
                  typename TTypes<T, NDIM>::Tensor output) {
    output.device(d) = Eigen::betainc(a, b, x);
  }

void BCast(const Device& d, typename TTypes<T, NDIM>::ConstTensor a,
             const typename Eigen::array<Eigen::DenseIndex, NDIM>& bcast_a,
             typename TTypes<T, NDIM>::ConstTensor b,
             const typename Eigen::array<Eigen::DenseIndex, NDIM>& bcast_b,
             typename TTypes<T, NDIM>::ConstTensor x,
             const typename Eigen::array<Eigen::DenseIndex, NDIM>& bcast_x,
             typename TTypes<T, NDIM>::Tensor output) {
    output.device(d) = Eigen::betainc(
        a.broadcast(bcast_a), b.broadcast(bcast_b), x.broadcast(bcast_x));
  }
};

}  // namespace functor
}  // namespace tensorflow

#endif  // TENSORFLOW_CORE_KERNELS_BETAINC_OP_H_