100 lines
2.4 KiB
C++
100 lines
2.4 KiB
C++
// Copyright (c) 2010, Lawrence Livermore National Security, LLC. Produced at
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// the Lawrence Livermore National Laboratory. LLNL-CODE-443211. All Rights
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// reserved. See file COPYRIGHT for details.
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//
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// This file is part of the MFEM library. For more information and source code
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// availability see http://mfem.org.
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//
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// MFEM is free software; you can redistribute it and/or modify it under the
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// terms of the GNU Lesser General Public License (as published by the Free
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// Software Foundation) version 2.1 dated February 1999.
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#include "../../../config/config.hpp"
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#if defined(MFEM_USE_BACKENDS) && defined(MFEM_USE_KERNELS)
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#include "../kernels.hpp"
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namespace mfem
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{
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namespace kernels
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{
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// **************************************************************************
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memory::memory(const std::size_t _bytes, const void *src):
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bytes(_bytes),
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data(::new char[bytes])
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{
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push();
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assert(src==NULL);
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pop();
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}
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// **************************************************************************
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kernels::device memory::getDevice()
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{
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return kernels::device();
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}
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// **************************************************************************
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size_t memory::size() const
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{
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return bytes;
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}
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// *****************************************************************************
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void memory::copyFrom(memory &src)
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{
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push();
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memcpy(data,src,bytes);
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pop();
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}
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// *****************************************************************************
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void memory::copyFrom(const void *src)
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{
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push();
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memcpy(data,src,bytes);
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pop();
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}
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// *****************************************************************************
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void memory::copyTo(void *dest)
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{
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push();
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memcpy(dest,data,bytes);
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pop();
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}
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// *****************************************************************************
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void* memory::ptr() const
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{
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return (void*)data;
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}
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// *****************************************************************************
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memory memory::slice(const size_t offset,
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const size_t bytes) const
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{
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push();
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//MFEM_ABORT("FIXME");
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pop();
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memory m = memory(bytes,NULL);
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memcpy(m.data,data+offset,bytes);
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return m;
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}
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// *****************************************************************************
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bool memory::operator == (const memory &m)
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{
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push();
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pop();
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return (ptr() == m.ptr()) && (size() == m.size());
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}
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} // namespace mfem::kernels
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} // namespace mfem
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#endif // defined(MFEM_USE_BACKENDS) && defined(MFEM_USE_KERNELS)
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