Files
2026-07-13 12:40:42 +08:00

52 lines
1.8 KiB
C++

// Copyright (c) 2026 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 <ATen/core/Tensor.h>
namespace at {
inline at::Tensor slice(const at::Tensor& self,
int64_t dim = 0,
::std::optional<int64_t> start = ::std::nullopt,
::std::optional<int64_t> end = ::std::nullopt,
int64_t step = 1) {
// Materialize the compat StorageHolderView before creating the slice so the
// base tensor and its views observe the same shared storage during resize_.
(void)self.storage();
return paddle::experimental::slice(
self._PD_GetInner(),
{dim},
start.has_value() ? IntArrayRef(start.value())._PD_ToPaddleIntArray()
: IntArrayRef()._PD_ToPaddleIntArray(),
end.has_value() ? IntArrayRef(end.value())._PD_ToPaddleIntArray()
: IntArrayRef()._PD_ToPaddleIntArray(),
{1},
{});
}
} // namespace at
namespace at {
inline at::Tensor Tensor::slice(int64_t dim,
::std::optional<int64_t> start,
::std::optional<int64_t> end,
int64_t step) const {
return at::slice(*this, dim, start, end, step);
}
} // namespace at