buffer.hpp

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// Copyright 2025 Eric Hermosis
//
// This file is part of the Tannic Tensor Library.
//
// 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.
// 
 
#ifndef BUFFER_HPP
#define BUFFER_HPP
 
#include <cstddef>    
#include "resources.hpp" 
 
namespace tannic { 
 
class Buffer {
public:     
    Buffer(std::size_t nbytes, Environment environment = Host{}); 
 
    // Non-copyable to maintain clear ownership
    Buffer(const Buffer&) = delete;
    Buffer& operator=(const Buffer&) = delete;
 
    Buffer(Buffer&& other) noexcept; 
    
    Buffer& operator=(Buffer&& other) noexcept;
 
    ~Buffer(); 
 
    void* address();
 
    const void* address() const;
 
    std::size_t nbytes() const; 
    
    Environment const& environment() const; 
 
private:  
    void* address_ = nullptr;
    std::size_t nbytes_ = 0;
    Environment environment_ = Host{};
};
 
} // namespace TANNIC
 
#endif // BUFFER_HPP