mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-16 17:22:55 +00:00
81 lines
2.5 KiB
C++
81 lines
2.5 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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#include <vtkm/TypeTraits.h>
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#include <vtkm/VecTraits.h>
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#include <vtkm/testing/Testing.h>
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namespace
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{
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struct TypeTraitTest
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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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// If you get compiler errors here, it could be a TypeTraits instance
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// has missing or malformed tags.
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this->TestDimensionality(t, typename vtkm::TypeTraits<T>::DimensionalityTag());
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this->TestNumeric(t, typename vtkm::TypeTraits<T>::NumericTag());
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}
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private:
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template <typename T>
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void TestDimensionality(T, vtkm::TypeTraitsScalarTag) const
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{
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std::cout << " scalar" << std::endl;
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VTKM_TEST_ASSERT(vtkm::VecTraits<T>::NUM_COMPONENTS == 1,
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"Scalar type does not have one component.");
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}
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template <typename T>
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void TestDimensionality(T, vtkm::TypeTraitsVectorTag) const
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{
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std::cout << " vector" << std::endl;
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VTKM_TEST_ASSERT(vtkm::VecTraits<T>::NUM_COMPONENTS > 1,
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"Vector type does not have multiple components.");
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}
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template <typename T>
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void TestNumeric(T, vtkm::TypeTraitsIntegerTag) const
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{
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std::cout << " integer" << std::endl;
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using VT = typename vtkm::VecTraits<T>::ComponentType;
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VT value = VT(2.001);
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VTKM_TEST_ASSERT(value == 2, "Integer does not round to integer.");
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}
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template <typename T>
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void TestNumeric(T, vtkm::TypeTraitsRealTag) const
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{
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std::cout << " real" << std::endl;
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using VT = typename vtkm::VecTraits<T>::ComponentType;
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VT value = VT(2.001);
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VTKM_TEST_ASSERT(test_equal(float(value), float(2.001)),
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"Real does not hold floaing point number.");
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}
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};
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static void TestTypeTraits()
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{
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TypeTraitTest test;
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vtkm::testing::Testing::TryTypes(test);
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std::cout << "vtkm::Vec<vtkm::FloatDefault, 5>" << std::endl;
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test(vtkm::Vec<vtkm::FloatDefault, 5>());
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}
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} // anonymous namespace
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//-----------------------------------------------------------------------------
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int UnitTestTypeTraits(int argc, char* argv[])
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{
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return vtkm::testing::Testing::Run(TestTypeTraits, argc, argv);
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}
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