121 lines
4.6 KiB
C++
121 lines
4.6 KiB
C++
//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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//
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// This software is distributed WITHOUT ANY WARRANTY; without even
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// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the above copyright notice for more information.
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//============================================================================
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// Copyright (c) 2018, The Regents of the University of California, through
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// Lawrence Berkeley National Laboratory (subject to receipt of any required approvals
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// from the U.S. Dept. of Energy). All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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//
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// (1) Redistributions of source code must retain the above copyright notice, this
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// list of conditions and the following disclaimer.
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//
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// (2) Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// (3) Neither the name of the University of California, Lawrence Berkeley National
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// Laboratory, U.S. Dept. of Energy nor the names of its contributors may be
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// used to endorse or promote products derived from this software without
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// specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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// IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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// OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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// OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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#ifndef vtk_m_worklet_testing_contourtree_distributed_load_arrays_h
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#define vtk_m_worklet_testing_contourtree_distributed_load_arrays_h
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#include <vtkm/Types.h>
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#include <vtkm/cont/ArrayHandle.h>
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namespace vtkm
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{
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namespace worklet
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{
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namespace testing
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{
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namespace contourtree_distributed
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{
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// Types used in binary test files
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typedef size_t FileSizeType;
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typedef unsigned long long FileIndexType;
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const FileIndexType FileIndexMask = 0x07FFFFFFFFFFFFFFLL;
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typedef double FileDataType;
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inline void ReadIndexArray(std::ifstream& is, vtkm::cont::ArrayHandle<vtkm::Id>& indexArray)
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{
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FileSizeType sz;
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is.read(reinterpret_cast<char*>(&sz), sizeof(sz));
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//std::cout << "Reading index array of size " << sz << std::endl;
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indexArray.Allocate(sz);
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auto writePortal = indexArray.WritePortal();
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for (vtkm::Id i = 0; i < static_cast<vtkm::Id>(sz); ++i)
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{
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FileIndexType x;
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is.read(reinterpret_cast<char*>(&x), sizeof(x));
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// Covert from index type size in file (64 bit) to index type currently used by
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// shifting the flag portion of the index accordingly
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vtkm::Id shiftedFlagVal = (x & FileIndexMask) |
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((x & ~FileIndexMask) >> ((sizeof(FileIndexType) - sizeof(vtkm::Id)) << 3));
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writePortal.Set(i, shiftedFlagVal);
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}
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}
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inline void ReadIndexArrayVector(std::ifstream& is,
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std::vector<vtkm::cont::ArrayHandle<vtkm::Id>>& indexArrayVector)
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{
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FileSizeType sz;
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is.read(reinterpret_cast<char*>(&sz), sizeof(sz));
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//std::cout << "Reading vector of " << sz << " index arrays" << std::endl;
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indexArrayVector.resize(sz);
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for (vtkm::Id i = 0; i < static_cast<vtkm::Id>(sz); ++i)
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{
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ReadIndexArray(is, indexArrayVector[i]);
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}
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}
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template <class FieldType>
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inline void ReadDataArray(std::ifstream& is, vtkm::cont::ArrayHandle<FieldType>& dataArray)
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{
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FileSizeType sz;
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is.read(reinterpret_cast<char*>(&sz), sizeof(sz));
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//std::cout << "Reading data array of size " << sz << std::endl;
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dataArray.Allocate(sz);
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auto writePortal = dataArray.WritePortal();
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for (vtkm::Id i = 0; i < static_cast<vtkm::Id>(sz); ++i)
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{
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FileDataType x;
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is.read(reinterpret_cast<char*>(&x), sizeof(x));
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//std::cout << "Read " << x << std::endl;
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writePortal.Set(
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i,
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FieldType(x)); // Test data is stored as double but generally is also ok to be cast to float.
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}
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}
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} // namespace contourtree_distributed
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} // namespace testing
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} // namespace worklet
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} // namespace vtkm
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#endif
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