mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-10-05 09:59:12 +00:00
03b6f62d05
All types of cell sets should have a consistent interface. This is tested (and fixed) for explicit and permutation cell sets. However, an unfixed bug that has been identified is that permutation cell sets only work for point to cell topologies. All others are not supported correctly.
618 lines
20 KiB
C++
618 lines
20 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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// 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 2014 Sandia Corporation.
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// Copyright 2014 UT-Battelle, LLC.
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// Copyright 2014 Los Alamos National Security.
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//
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// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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// the U.S. Government retains certain rights in this software.
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//
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// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
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// Laboratory (LANL), the U.S. Government retains certain rights in
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// this software.
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//============================================================================
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#ifndef vtk_m_testing_Testing_h
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#define vtk_m_testing_Testing_h
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#include <vtkm/Bounds.h>
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#include <vtkm/CellShape.h>
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#include <vtkm/Math.h>
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#include <vtkm/Matrix.h>
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#include <vtkm/Pair.h>
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#include <vtkm/Range.h>
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#include <vtkm/TypeListTag.h>
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#include <vtkm/TypeTraits.h>
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#include <vtkm/Types.h>
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#include <vtkm/VecTraits.h>
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#include <exception>
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#include <iostream>
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#include <sstream>
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#include <string>
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#include <type_traits>
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#include <math.h>
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// Try to enforce using the correct testing version. (Those that include the
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// control environment have more possible exceptions.) This is not guaranteed
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// to work. To make it more likely, place the Testing.h include last.
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#ifdef vtk_m_cont_Error_h
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#ifndef vtk_m_cont_testing_Testing_h
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#error Use vtkm::cont::testing::Testing instead of vtkm::testing::Testing.
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#else
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#define VTKM_TESTING_IN_CONT
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#endif
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#endif
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/// \def VTKM_TEST_ASSERT(condition, message)
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///
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/// Asserts a condition for a test to pass. A passing condition is when \a
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/// condition resolves to true. If \a condition is false, then the test is
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/// aborted and failure is returned.
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#define VTKM_TEST_ASSERT(condition, message) \
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::vtkm::testing::Testing::Assert(condition, __FILE__, __LINE__, message, #condition)
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/// \def VTKM_TEST_FAIL(message)
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///
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/// Causes a test to fail with the given \a message.
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#define VTKM_TEST_FAIL(message) \
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throw ::vtkm::testing::Testing::TestFailure(__FILE__, __LINE__, message)
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namespace vtkm
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{
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namespace testing
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{
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// If you get an error about this class definition being incomplete, it means
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// that you tried to get the name of a type that is not specified. You can
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// either not use that type, not try to get the string name, or add it to the
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// list.
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template <typename T>
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struct TypeName;
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#define VTK_M_BASIC_TYPE(type) \
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template <> \
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struct TypeName<type> \
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{ \
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static std::string Name() { return #type; } \
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}
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VTK_M_BASIC_TYPE(vtkm::Float32);
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VTK_M_BASIC_TYPE(vtkm::Float64);
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VTK_M_BASIC_TYPE(vtkm::Int8);
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VTK_M_BASIC_TYPE(vtkm::UInt8);
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VTK_M_BASIC_TYPE(vtkm::Int16);
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VTK_M_BASIC_TYPE(vtkm::UInt16);
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VTK_M_BASIC_TYPE(vtkm::Int32);
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VTK_M_BASIC_TYPE(vtkm::UInt32);
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VTK_M_BASIC_TYPE(vtkm::Int64);
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VTK_M_BASIC_TYPE(vtkm::UInt64);
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#undef VTK_M_BASIC_TYPE
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template <typename T, vtkm::IdComponent Size>
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struct TypeName<vtkm::Vec<T, Size>>
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{
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static std::string Name()
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{
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std::stringstream stream;
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stream << "vtkm::Vec< " << TypeName<T>::Name() << ", " << Size << " >";
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return stream.str();
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}
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};
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template <typename T, typename U>
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struct TypeName<vtkm::Pair<T, U>>
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{
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static std::string Name()
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{
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std::stringstream stream;
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stream << "vtkm::Pair< " << TypeName<T>::Name() << ", " << TypeName<U>::Name() << " >";
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return stream.str();
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}
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};
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namespace detail
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{
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template <vtkm::IdComponent cellShapeId>
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struct InternalTryCellShape
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{
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template <typename FunctionType>
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void operator()(const FunctionType& function) const
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{
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this->PrintAndInvoke(function, typename vtkm::CellShapeIdToTag<cellShapeId>::valid());
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InternalTryCellShape<cellShapeId + 1>()(function);
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}
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private:
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template <typename FunctionType>
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void PrintAndInvoke(const FunctionType& function, std::true_type) const
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{
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typedef typename vtkm::CellShapeIdToTag<cellShapeId>::Tag CellShapeTag;
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std::cout << "*** " << vtkm::GetCellShapeName(CellShapeTag()) << " ***************"
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<< std::endl;
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function(CellShapeTag());
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}
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template <typename FunctionType>
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void PrintAndInvoke(const FunctionType&, std::false_type) const
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{
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// Not a valid cell shape. Do nothing.
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}
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};
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template <>
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struct InternalTryCellShape<vtkm::NUMBER_OF_CELL_SHAPES>
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{
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template <typename FunctionType>
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void operator()(const FunctionType&) const
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{
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// Done processing cell sets. Do nothing and return.
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}
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};
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} // namespace detail
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struct Testing
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{
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public:
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class TestFailure
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{
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public:
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VTKM_CONT TestFailure(const std::string& file, vtkm::Id line, const std::string& message)
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: File(file)
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, Line(line)
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, Message(message)
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{
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}
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VTKM_CONT TestFailure(const std::string& file,
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vtkm::Id line,
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const std::string& message,
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const std::string& condition)
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: File(file)
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, Line(line)
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{
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this->Message.append(message);
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this->Message.append(" (");
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this->Message.append(condition);
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this->Message.append(")");
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}
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VTKM_CONT const std::string& GetFile() const { return this->File; }
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VTKM_CONT vtkm::Id GetLine() const { return this->Line; }
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VTKM_CONT const std::string& GetMessage() const { return this->Message; }
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private:
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std::string File;
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vtkm::Id Line;
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std::string Message;
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};
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static VTKM_CONT void Assert(bool condition,
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const std::string& file,
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vtkm::Id line,
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const std::string& message,
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const std::string& conditionString)
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{
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if (condition)
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{
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// Do nothing.
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}
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else
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{
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throw TestFailure(file, line, message, conditionString);
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}
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}
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#ifndef VTKM_TESTING_IN_CONT
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/// Calls the test function \a function with no arguments. Catches any errors
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/// generated by VTKM_TEST_ASSERT or VTKM_TEST_FAIL, reports the error, and
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/// returns "1" (a failure status for a program's main). Returns "0" (a
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/// success status for a program's main).
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///
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/// The intention is to implement a test's main function with this. For
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/// example, the implementation of UnitTestFoo might look something like
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/// this.
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///
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/// \code
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/// #include <vtkm/testing/Testing.h>
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///
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/// namespace {
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///
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/// void TestFoo()
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/// {
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/// // Do actual test, which checks in VTKM_TEST_ASSERT or VTKM_TEST_FAIL.
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/// }
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///
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/// } // anonymous namespace
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///
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/// int UnitTestFoo(int, char *[])
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/// {
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/// return vtkm::testing::Testing::Run(TestFoo);
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/// }
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/// \endcode
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///
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template <class Func>
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static VTKM_CONT int Run(Func function)
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{
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try
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{
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function();
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}
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catch (TestFailure& error)
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{
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std::cout << "***** Test failed @ " << error.GetFile() << ":" << error.GetLine() << std::endl
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<< error.GetMessage() << std::endl;
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return 1;
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}
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catch (std::exception& error)
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{
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std::cout << "***** STL exception throw." << std::endl << error.what() << std::endl;
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}
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catch (...)
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{
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std::cout << "***** Unidentified exception thrown." << std::endl;
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return 1;
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}
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return 0;
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}
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#endif
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template <typename FunctionType>
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struct InternalPrintTypeAndInvoke
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{
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InternalPrintTypeAndInvoke(FunctionType function)
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: Function(function)
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{
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}
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template <typename T>
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void operator()(T t) const
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{
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std::cout << "*** " << vtkm::testing::TypeName<T>::Name() << " ***************" << std::endl;
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this->Function(t);
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}
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private:
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FunctionType Function;
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};
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/// Runs template \p function on all the types in the given list. If no type
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/// list is given, then an exemplar list of types is used.
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///
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template <typename FunctionType, typename TypeList>
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static void TryTypes(const FunctionType& function, TypeList)
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{
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vtkm::ListForEach(InternalPrintTypeAndInvoke<FunctionType>(function), TypeList());
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}
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struct TypeListTagExemplarTypes
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: vtkm::ListTagBase<vtkm::UInt8, vtkm::Id, vtkm::FloatDefault, vtkm::Vec<vtkm::Float64, 3>>
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{
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};
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template <typename FunctionType>
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static void TryTypes(const FunctionType& function)
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{
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TryTypes(function, TypeListTagExemplarTypes());
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}
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// Disabled: This very long list results is very long compile times.
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// /// Runs templated \p function on all the basic types defined in VTK-m. This
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// /// is helpful to test templated functions that should work on all types. If
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// /// the function is supposed to work on some subset of types, then use
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// /// \c TryTypes to restrict the call to some other list of types.
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// ///
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// template<typename FunctionType>
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// static void TryAllTypes(const FunctionType &function)
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// {
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// TryTypes(function, vtkm::TypeListTagAll());
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// }
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/// Runs templated \p function on all cell shapes defined in VTK-m. This is
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/// helpful to test templated functions that should work on all cell types.
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///
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template <typename FunctionType>
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static void TryAllCellShapes(const FunctionType& function)
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{
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detail::InternalTryCellShape<0>()(function);
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}
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};
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}
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} // namespace vtkm::internal
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// Prototype declaration
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template <typename VectorType1, typename VectorType2>
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static inline VTKM_EXEC_CONT bool test_equal(VectorType1 vector1,
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VectorType2 vector2,
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vtkm::Float64 tolerance = 0.00001);
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namespace detail
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{
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template <typename VectorType1, typename VectorType2>
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static inline VTKM_EXEC_CONT bool test_equal_impl(VectorType1 vector1,
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VectorType2 vector2,
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vtkm::Float64 tolerance,
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vtkm::TypeTraitsVectorTag)
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{
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// If you get a compiler error here, it means you are comparing a vector to
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// a scalar, in which case the types are non-comparable.
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VTKM_STATIC_ASSERT_MSG((std::is_same<typename vtkm::TypeTraits<VectorType2>::DimensionalityTag,
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vtkm::TypeTraitsScalarTag>::type::value == false),
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"Trying to compare a vector with a scalar.");
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using Traits1 = vtkm::VecTraits<VectorType1>;
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using Traits2 = vtkm::VecTraits<VectorType2>;
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// If vectors have different number of components, then they cannot be equal.
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if (Traits1::GetNumberOfComponents(vector1) != Traits2::GetNumberOfComponents(vector2))
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{
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return false;
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}
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for (vtkm::IdComponent component = 0; component < Traits1::GetNumberOfComponents(vector1);
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component++)
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{
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bool componentEqual = test_equal(Traits1::GetComponent(vector1, component),
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Traits2::GetComponent(vector2, component),
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tolerance);
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if (!componentEqual)
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{
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return false;
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}
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}
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return true;
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}
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template <typename MatrixType1, typename MatrixType2>
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static inline VTKM_EXEC_CONT bool test_equal_impl(MatrixType1 matrix1,
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MatrixType2 matrix2,
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vtkm::Float64 tolerance,
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vtkm::TypeTraitsMatrixTag)
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{
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// For the purposes of comparison, treat matrices the same as vectors.
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return test_equal_impl(matrix1, matrix2, tolerance, vtkm::TypeTraitsVectorTag());
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}
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template <typename ScalarType1, typename ScalarType2>
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static inline VTKM_EXEC_CONT bool test_equal_impl(ScalarType1 scalar1,
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ScalarType2 scalar2,
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vtkm::Float64 tolerance,
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vtkm::TypeTraitsScalarTag)
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{
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// If you get a compiler error here, it means you are comparing a scalar to
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// a vector, in which case the types are non-comparable.
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VTKM_STATIC_ASSERT_MSG((std::is_same<typename vtkm::TypeTraits<ScalarType2>::DimensionalityTag,
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vtkm::TypeTraitsScalarTag>::type::value),
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"Trying to compare a scalar with a vector.");
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// Do all comparisions using 64-bit floats.
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vtkm::Float64 value1 = vtkm::Float64(scalar1);
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vtkm::Float64 value2 = vtkm::Float64(scalar2);
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if (vtkm::Abs(value1 - value2) <= tolerance)
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{
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return true;
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}
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// We are using a ratio to compare the relative tolerance of two numbers.
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// Using an ULP based comparison (comparing the bits as integers) might be
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// a better way to go, but this has been working pretty well so far.
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vtkm::Float64 ratio;
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if ((vtkm::Abs(value2) > tolerance) && (value2 != 0))
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{
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ratio = value1 / value2;
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}
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else
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{
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// If we are here, it means that value2 is close to 0 but value1 is not.
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// These cannot be within tolerance, so just return false.
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return false;
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}
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if ((ratio > vtkm::Float64(1.0) - tolerance) && (ratio < vtkm::Float64(1.0) + tolerance))
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{
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// This component is OK. The condition is checked in this way to
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// correctly handle non-finites that fail all comparisons. Thus, if a
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// non-finite is encountered, this condition will fail and false will be
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// returned.
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return true;
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}
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else
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{
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return false;
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}
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}
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// Special cases of test equal where a scalar is compared with a Vec of size 1,
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// which we will allow.
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template <typename T>
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static inline VTKM_EXEC_CONT bool test_equal_impl(vtkm::Vec<T, 1> value1,
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T value2,
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vtkm::Float64 tolerance,
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vtkm::TypeTraitsVectorTag)
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{
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return test_equal(value1[0], value2, tolerance);
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}
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template <typename T>
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static inline VTKM_EXEC_CONT bool test_equal_impl(T value1,
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vtkm::Vec<T, 1> value2,
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vtkm::Float64 tolerance,
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vtkm::TypeTraitsScalarTag)
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{
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return test_equal(value1, value2[0], tolerance);
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}
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} // namespace detail
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/// Helper function to test two quanitites for equality accounting for slight
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/// variance due to floating point numerical inaccuracies.
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///
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template <typename VectorType1, typename VectorType2>
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static inline VTKM_EXEC_CONT bool test_equal(VectorType1 vector1,
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VectorType2 vector2,
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vtkm::Float64 tolerance /*= 0.00001*/)
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{
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return detail::test_equal_impl(
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vector1, vector2, tolerance, typename vtkm::TypeTraits<VectorType1>::DimensionalityTag());
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}
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/// Special implementation of test_equal for strings, which don't fit a model
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/// of fixed length vectors of numbers.
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///
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static inline VTKM_CONT bool test_equal(const std::string& string1, const std::string& string2)
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{
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return string1 == string2;
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}
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/// Special implementation of test_equal for Pairs, which are a bit different
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/// than a vector of numbers of the same type.
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///
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template <typename T1, typename T2, typename T3, typename T4>
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static inline VTKM_CONT bool test_equal(const vtkm::Pair<T1, T2>& pair1,
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const vtkm::Pair<T3, T4>& pair2,
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vtkm::Float64 tolerance = 0.0001)
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{
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return test_equal(pair1.first, pair2.first, tolerance) &&
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test_equal(pair1.second, pair2.second, tolerance);
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}
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/// Special implementation of test_equal for Ranges.
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///
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static inline VTKM_EXEC_CONT bool test_equal(const vtkm::Range& range1,
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const vtkm::Range& range2,
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vtkm::Float64 tolerance = 0.0001)
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{
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return (test_equal(range1.Min, range2.Min, tolerance) &&
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test_equal(range1.Max, range2.Max, tolerance));
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}
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/// Special implementation of test_equal for Bounds.
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///
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static inline VTKM_EXEC_CONT bool test_equal(const vtkm::Bounds& bounds1,
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const vtkm::Bounds& bounds2,
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vtkm::Float64 tolerance = 0.0001)
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{
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return (test_equal(bounds1.X, bounds2.X, tolerance) &&
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test_equal(bounds1.Y, bounds2.Y, tolerance) &&
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test_equal(bounds1.Z, bounds2.Z, tolerance));
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}
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template <typename T>
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static inline VTKM_EXEC_CONT T TestValue(vtkm::Id index, T, vtkm::TypeTraitsIntegerTag)
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{
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if (sizeof(T) > 2)
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{
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return T(index * 100);
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}
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else
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{
|
|
return T(index + 100);
|
|
}
|
|
}
|
|
|
|
template <typename T>
|
|
static inline VTKM_EXEC_CONT T TestValue(vtkm::Id index, T, vtkm::TypeTraitsRealTag)
|
|
{
|
|
return T(0.01 * static_cast<double>(index) + 1.001);
|
|
}
|
|
|
|
/// Many tests involve getting and setting values in some index-based structure
|
|
/// (like an array). These tests also often involve trying many types. The
|
|
/// overloaded TestValue function returns some unique value for an index for a
|
|
/// given type. Different types might give different values.
|
|
///
|
|
template <typename T>
|
|
static inline VTKM_EXEC_CONT T TestValue(vtkm::Id index, T)
|
|
{
|
|
return TestValue(index, T(), typename vtkm::TypeTraits<T>::NumericTag());
|
|
}
|
|
|
|
template <typename T, vtkm::IdComponent N>
|
|
static inline VTKM_EXEC_CONT vtkm::Vec<T, N> TestValue(vtkm::Id index, vtkm::Vec<T, N>)
|
|
{
|
|
vtkm::Vec<T, N> value;
|
|
for (vtkm::IdComponent i = 0; i < N; i++)
|
|
{
|
|
value[i] = T(TestValue(index, T()) + T(i + 1));
|
|
}
|
|
return value;
|
|
}
|
|
|
|
static inline VTKM_CONT std::string TestValue(vtkm::Id index, std::string)
|
|
{
|
|
std::stringstream stream;
|
|
stream << index;
|
|
return stream.str();
|
|
}
|
|
|
|
/// Verifies that the contents of the given array portal match the values
|
|
/// returned by vtkm::testing::TestValue.
|
|
///
|
|
template <typename PortalType>
|
|
static inline VTKM_CONT void CheckPortal(const PortalType& portal)
|
|
{
|
|
typedef typename PortalType::ValueType ValueType;
|
|
|
|
for (vtkm::Id index = 0; index < portal.GetNumberOfValues(); index++)
|
|
{
|
|
ValueType expectedValue = TestValue(index, ValueType());
|
|
ValueType foundValue = portal.Get(index);
|
|
if (!test_equal(expectedValue, foundValue))
|
|
{
|
|
std::stringstream message;
|
|
message << "Got unexpected value in array." << std::endl
|
|
<< "Expected: " << expectedValue << ", Found: " << foundValue << std::endl;
|
|
VTKM_TEST_FAIL(message.str().c_str());
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Sets all the values in a given array portal to be the values returned
|
|
/// by vtkm::testing::TestValue. The ArrayPortal must be allocated first.
|
|
///
|
|
template <typename PortalType>
|
|
static inline VTKM_CONT void SetPortal(const PortalType& portal)
|
|
{
|
|
typedef typename PortalType::ValueType ValueType;
|
|
|
|
for (vtkm::Id index = 0; index < portal.GetNumberOfValues(); index++)
|
|
{
|
|
portal.Set(index, TestValue(index, ValueType()));
|
|
}
|
|
}
|
|
|
|
/// Verifies that the contents of the two portals are the same.
|
|
///
|
|
template <typename PortalType1, typename PortalType2>
|
|
static inline VTKM_CONT bool test_equal_portals(const PortalType1& portal1,
|
|
const PortalType2& portal2)
|
|
{
|
|
if (portal1.GetNumberOfValues() != portal2.GetNumberOfValues())
|
|
{
|
|
return false;
|
|
}
|
|
|
|
for (vtkm::Id index = 0; index < portal1.GetNumberOfValues(); index++)
|
|
{
|
|
if (!test_equal(portal1.Get(index), portal2.Get(index)))
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
#endif //vtk_m_testing_Testing_h
|