vtk-m/vtkm/worklet/testing/UnitTestNormalize.cxx
Haocheng LIU 8859636672 Merge worklet testing executables into a device dependent shared library
VTK-m has been updated to replace old per device worklet testing executables with a device
dependent shared library so that it's able to accept a device adapter
at runtime.
Meanwhile, it updates the testing infrastructure APIs. vtkm::cont::testing::Run
function would call ForceDevice when needed and if users need the device
adapter info at runtime, RunOnDevice function would pass the adapter into the functor.

Optional Parser is bumped from 1.3 to 1.7.
2018-11-23 10:13:56 -05:00

146 lines
4.9 KiB
C++

//============================================================================
// 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 2014 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
// Copyright 2014 UT-Battelle, LLC.
// Copyright 2014 Los Alamos National Security.
//
// Under the terms of Contract DE-NA0003525 with NTESS,
// the U.S. Government retains certain rights in this software.
//
// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
// Laboratory (LANL), the U.S. Government retains certain rights in
// this software.
//============================================================================
#include <vtkm/worklet/DispatcherMapField.h>
#include <vtkm/worklet/Normalize.h>
#include <vtkm/cont/testing/Testing.h>
namespace
{
template <typename T>
void createVectors(std::vector<vtkm::Vec<T, 3>>& vecs)
{
vecs.push_back(vtkm::make_Vec(2, 0, 0));
vecs.push_back(vtkm::make_Vec(0, 2, 0));
vecs.push_back(vtkm::make_Vec(0, 0, 2));
vecs.push_back(vtkm::make_Vec(1, 1, 1));
vecs.push_back(vtkm::make_Vec(2, 2, 2));
vecs.push_back(vtkm::make_Vec(2, 1, 1));
vecs.push_back(vtkm::make_Vec(1000000, 0, 0));
vecs.push_back(vtkm::make_Vec(static_cast<T>(.1), static_cast<T>(0), static_cast<T>(0)));
vecs.push_back(vtkm::make_Vec(static_cast<T>(.001), static_cast<T>(0), static_cast<T>(0)));
}
template <typename T>
void createVectors(std::vector<vtkm::Vec<T, 2>>& vecs)
{
vecs.push_back(vtkm::make_Vec(1, 0));
vecs.push_back(vtkm::make_Vec(0, 1));
vecs.push_back(vtkm::make_Vec(1, 1));
vecs.push_back(vtkm::make_Vec(2, 0));
vecs.push_back(vtkm::make_Vec(0, 2));
vecs.push_back(vtkm::make_Vec(2, 2));
vecs.push_back(vtkm::make_Vec(1000000, 0));
vecs.push_back(vtkm::make_Vec(static_cast<T>(.1), static_cast<T>(0)));
vecs.push_back(vtkm::make_Vec(static_cast<T>(.001), static_cast<T>(0)));
}
template <typename T, int N>
void TestNormal()
{
std::vector<vtkm::Vec<T, N>> inputVecs;
createVectors(inputVecs);
vtkm::cont::ArrayHandle<vtkm::Vec<T, N>> inputArray;
vtkm::cont::ArrayHandle<vtkm::Vec<T, N>> outputArray;
inputArray = vtkm::cont::make_ArrayHandle(inputVecs);
vtkm::worklet::Normal normalWorklet;
vtkm::worklet::DispatcherMapField<vtkm::worklet::Normal> dispatcherNormal(normalWorklet);
dispatcherNormal.Invoke(inputArray, outputArray);
//Validate results.
//Make sure the number of values match.
VTKM_TEST_ASSERT(outputArray.GetNumberOfValues() == inputArray.GetNumberOfValues(),
"Wrong number of results for Normalize worklet");
//Make sure each vector is correct.
for (vtkm::Id i = 0; i < inputArray.GetNumberOfValues(); i++)
{
//Make sure that the value is correct.
vtkm::Vec<T, N> v = inputArray.GetPortalConstControl().Get(i);
vtkm::Vec<T, N> vN = outputArray.GetPortalConstControl().Get(i);
T len = vtkm::Magnitude(v);
VTKM_TEST_ASSERT(test_equal(v / len, vN), "Wrong result for Normalize worklet");
//Make sure the magnitudes are all 1.0
len = vtkm::Magnitude(vN);
VTKM_TEST_ASSERT(test_equal(len, 1), "Wrong magnitude for Normalize worklet");
}
}
template <typename T, int N>
void TestNormalize()
{
std::vector<vtkm::Vec<T, N>> inputVecs;
createVectors(inputVecs);
vtkm::cont::ArrayHandle<vtkm::Vec<T, N>> inputArray;
vtkm::cont::ArrayHandle<vtkm::Vec<T, N>> outputArray;
inputArray = vtkm::cont::make_ArrayHandle(inputVecs);
vtkm::worklet::Normalize normalizeWorklet;
vtkm::worklet::DispatcherMapField<vtkm::worklet::Normalize> dispatcherNormalize(normalizeWorklet);
dispatcherNormalize.Invoke(inputArray);
//Make sure each vector is correct.
for (vtkm::Id i = 0; i < inputArray.GetNumberOfValues(); i++)
{
//Make sure that the value is correct.
vtkm::Vec<T, N> v = inputVecs[static_cast<std::size_t>(i)];
vtkm::Vec<T, N> vN = inputArray.GetPortalConstControl().Get(i);
T len = vtkm::Magnitude(v);
VTKM_TEST_ASSERT(test_equal(v / len, vN), "Wrong result for Normalize worklet");
//Make sure the magnitudes are all 1.0
len = vtkm::Magnitude(vN);
VTKM_TEST_ASSERT(test_equal(len, 1), "Wrong magnitude for Normalize worklet");
}
}
void TestNormalWorklets()
{
std::cout << "Testing Normal Worklet" << std::endl;
TestNormal<vtkm::Float32, 2>();
TestNormal<vtkm::Float64, 2>();
TestNormal<vtkm::Float32, 3>();
TestNormal<vtkm::Float64, 3>();
std::cout << "Testing Normalize Worklet" << std::endl;
TestNormalize<vtkm::Float32, 2>();
TestNormalize<vtkm::Float64, 2>();
TestNormalize<vtkm::Float32, 3>();
TestNormalize<vtkm::Float64, 3>();
}
}
int UnitTestNormalize(int argc, char* argv[])
{
return vtkm::cont::testing::Testing::Run(TestNormalWorklets, argc, argv);
}