// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
//
// 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.

#pragma once

#include <string>
#include <vector>

#include "paddle/phi/core/dense_tensor.h"

namespace phi {

template <typename T, typename Context>
void MergedMomentumKernel(
    const Context& dev_ctx,
    const std::vector<const DenseTensor*>& param,
    const std::vector<const DenseTensor*>& grad,
    const std::vector<const DenseTensor*>& velocity,
    const std::vector<const DenseTensor*>& learning_rate,
    const paddle::optional<std::vector<const DenseTensor*>>& master_param,
    float mu,
    bool use_nesterov,
    const std::vector<std::string>& regularization_method,
    const std::vector<float>& regularization_coeff,
    bool multi_precision,
    float rescale_grad,
    std::vector<DenseTensor*> param_out,
    std::vector<DenseTensor*> velocity_out,
    std::vector<DenseTensor*> master_param_out);

}  // namespace phi