// SPDX-FileCopyrightText: Copyright (c) 2024-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
// SPDX-License-Identifier: Apache-2.0
//
// 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.

#[derive(Clone, Debug, PartialEq, Eq)]
pub enum TorchDevice {
    Cuda(usize),
    Other(String),
}

pub trait TorchTensor: std::fmt::Debug + Send + Sync {
    fn device(&self) -> TorchDevice;
    fn data_ptr(&self) -> u64;
    fn size_bytes(&self) -> usize;
    fn shape(&self) -> Vec<usize>;
    fn stride(&self) -> Vec<usize>;
}
