// Copyright 2018 Google LLC

//

// 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 CC_TF_UTILS_H_

#define CC_TF_UTILS_H_

#include <array>

#include <string>

#include "cc/constants.h"

#include "cc/dual_net.h"

#include "tensorflow/core/example/example.pb.h"

namespace minigo {

// Converts board features, and the pi & value outputs of MTCS to a tensorflow

// example proto.

tensorflow::Example MakeTfExample(const DualNet::BoardFeatures& features,

const std::array<float, kNumMoves>& pi,

float outcome);

// Writes a list of tensorflow Example protos to a zlib compressed TFRecord

// file.

void WriteTfExamples(const std::string& path,

absl::Span<const tensorflow::Example> examples);

} // namespace minigo

#endif // CC_TF_UTILS_H_