// Copyright (c) 2023 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.
#include "paddle/phi/kernels/as_strided_kernel.h"
#include "paddle/phi/backends/all_context.h"
#include "paddle/phi/core/kernel_registry.h"

namespace phi {

template <typename Context>
void AsStridedKernel(const Context& dev_ctx,
                     const DenseTensor& input,
                     const std::vector<int64_t>& dims,
                     const std::vector<int64_t>& stride,
                     int64_t offset,
                     DenseTensor* out) {
  out->Resize(DDim(dims.data(), static_cast<int>(dims.size())));
  out->set_strides(DDim(stride.data(), static_cast<int>(stride.size())));
  out->set_offset(offset);
  out->ResetHolder(input.Holder());
}

}  // namespace phi
PD_REGISTER_KERNEL_FOR_ALL_BACKEND_DTYPE_EXCEPT_CUSTOM(as_strided,
                                                       STRIDED,
                                                       phi::AsStridedKernel) {}