From 331e63fed4dfde4a412b3ac0e11e4a9d79d6e7ba Mon Sep 17 00:00:00 2001
From: "Gunther H. Weber" <GHWeber@lbl.gov>
Date: Sat, 31 Jul 2021 17:00:19 -0700
Subject: [PATCH] Added missing LoadArrays include.

---
 .../contourtree_distributed/LoadArrays.h      | 115 ++++++++++++++++++
 1 file changed, 115 insertions(+)
 create mode 100644 vtkm/worklet/contourtree_distributed/LoadArrays.h

diff --git a/vtkm/worklet/contourtree_distributed/LoadArrays.h b/vtkm/worklet/contourtree_distributed/LoadArrays.h
new file mode 100644
index 000000000..1d0b0d4b3
--- /dev/null
+++ b/vtkm/worklet/contourtree_distributed/LoadArrays.h
@@ -0,0 +1,115 @@
+//============================================================================
+//  Copyright (c) Kitware, Inc.
+//  All rights reserved.
+//  See LICENSE.txt for details.
+//
+//  This software is distributed WITHOUT ANY WARRANTY; without even
+//  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+//  PURPOSE.  See the above copyright notice for more information.
+//============================================================================
+// Copyright (c) 2018, The Regents of the University of California, through
+// Lawrence Berkeley National Laboratory (subject to receipt of any required approvals
+// from the U.S. Dept. of Energy).  All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without modification,
+// are permitted provided that the following conditions are met:
+//
+// (1) Redistributions of source code must retain the above copyright notice, this
+//     list of conditions and the following disclaimer.
+//
+// (2) Redistributions in binary form must reproduce the above copyright notice,
+//     this list of conditions and the following disclaimer in the documentation
+//     and/or other materials provided with the distribution.
+//
+// (3) Neither the name of the University of California, Lawrence Berkeley National
+//     Laboratory, U.S. Dept. of Energy nor the names of its contributors may be
+//     used to endorse or promote products derived from this software without
+//     specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+// IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+// OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+// OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+#ifndef vtk_m_worklet_contourtree_distributed_load_arrays_h
+#define vtk_m_worklet_contourtree_distributed_load_arrays_h
+
+#include <vtkm/Types.h>
+#include <vtkm/cont/ArrayHandle.h>
+
+namespace vtkm
+{
+namespace worklet
+{
+namespace contourtree_distributed
+{
+
+// Types used in binary test files
+typedef size_t FileSizeType;
+typedef unsigned long long FileIndexType;
+const FileIndexType FileIndexMask = 0x07FFFFFFFFFFFFFFLL;
+typedef double FileDataType;
+
+inline void ReadIndexArray(std::ifstream& is, vtkm::cont::ArrayHandle<vtkm::Id>& indexArray)
+{
+  FileSizeType sz;
+  is.read(reinterpret_cast<char*>(&sz), sizeof(sz));
+  //std::cout << "Reading index array of size " << sz << std::endl;
+  indexArray.Allocate(sz);
+  auto writePortal = indexArray.WritePortal();
+
+  for (vtkm::Id i = 0; i < static_cast<vtkm::Id>(sz); ++i)
+  {
+    FileIndexType x;
+    is.read(reinterpret_cast<char*>(&x), sizeof(x));
+    // Covert from index type size in file (64 bit) to index type currently used by
+    // shifting the flag portion of the index accordingly
+    vtkm::Id shiftedFlagVal = (x & FileIndexMask) |
+      ((x & ~FileIndexMask) >> ((sizeof(FileIndexType) - sizeof(vtkm::Id)) << 3));
+    writePortal.Set(i, shiftedFlagVal);
+  }
+}
+
+inline void ReadIndexArrayVector(std::ifstream& is,
+                                 std::vector<vtkm::cont::ArrayHandle<vtkm::Id>>& indexArrayVector)
+{
+  FileSizeType sz;
+  is.read(reinterpret_cast<char*>(&sz), sizeof(sz));
+  //std::cout << "Reading vector of " << sz << " index arrays" << std::endl;
+  indexArrayVector.resize(sz);
+
+  for (vtkm::Id i = 0; i < static_cast<vtkm::Id>(sz); ++i)
+  {
+    ReadIndexArray(is, indexArrayVector[i]);
+  }
+}
+
+template <class FieldType>
+inline void ReadDataArray(std::ifstream& is, vtkm::cont::ArrayHandle<FieldType>& dataArray)
+{
+  FileSizeType sz;
+  is.read(reinterpret_cast<char*>(&sz), sizeof(sz));
+  //std::cout << "Reading data array of size " << sz << std::endl;
+  dataArray.Allocate(sz);
+  auto writePortal = dataArray.WritePortal();
+
+  for (vtkm::Id i = 0; i < static_cast<vtkm::Id>(sz); ++i)
+  {
+    FileDataType x;
+    is.read(reinterpret_cast<char*>(&x), sizeof(x));
+    //std::cout << "Read " << x << std::endl;
+    writePortal.Set(i, x);
+  }
+}
+
+} // namespace contourtree_distributed
+} // namespace worklet
+} // namespace vtkm
+
+#endif