// 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 "paddle/phi/core/dense_tensor.h"
namespace phi {
/**
* @brief This kernel generate random value that obey poisson distribution.
* @param ctx device context
* @param x The input tensor of poisson kernel
* @param out The output tensor of poisson kernel, it has the same shape and
* dtype with input. Each element corresponds to input tensor
*/
template <typename T, typename Context>
void PoissonKernel(const Context& ctx, const DenseTensor& x, DenseTensor* out);
} // namespace phi