vtk-m/vtkm/cont/testing/UnitTestArrayHandleCompositeVector.cxx
Kenneth Moreland 04fce28ae3 Deal with small integer promotions
C and C++ has a funny feature where operations on small integers (char
and short) actually promote the result to a 32 bit integer. Most often
in our code the result is pushed back to the same type, and picky compilers
can then give a warning about an implicit type conversion (that we
inevitably don't care about). Here are a lot of changes to suppress
the warnings.
2015-07-30 17:41:58 -06:00

323 lines
10 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 Sandia Corporation.
// Copyright 2014 UT-Battelle, LLC.
// Copyright 2014 Los Alamos National Security.
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// 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.
//============================================================================
// Make sure ArrayHandleCompositeVector does not rely on default storage or
// device adapter.
#define VTKM_STORAGE VTKM_STORAGE_ERROR
#define VTKM_DEVICE_ADAPTER VTKM_DEVICE_ADAPTER_ERROR
#include <vtkm/cont/ArrayHandleCompositeVector.h>
#include <vtkm/VecTraits.h>
#include <vtkm/cont/DeviceAdapterSerial.h>
#include <vtkm/cont/StorageBasic.h>
#include <vtkm/cont/testing/Testing.h>
#include <vector>
namespace {
const vtkm::Id ARRAY_SIZE = 10;
typedef vtkm::cont::StorageTagBasic StorageTag;
vtkm::FloatDefault TestValue3Ids(vtkm::Id index,
vtkm::IdComponent inComponentIndex,
int inArrayId)
{
return (vtkm::FloatDefault(index) +
0.1f*vtkm::FloatDefault(inComponentIndex) +
0.01f*vtkm::FloatDefault(inArrayId));
}
template<typename ValueType>
vtkm::cont::ArrayHandle<ValueType, StorageTag>
MakeInputArray(int arrayId)
{
typedef vtkm::VecTraits<ValueType> VTraits;
// Create a buffer with valid test values.
ValueType buffer[ARRAY_SIZE];
for (vtkm::Id index = 0; index < ARRAY_SIZE; index++)
{
for (vtkm::IdComponent componentIndex = 0;
componentIndex < VTraits::NUM_COMPONENTS;
componentIndex++)
{
VTraits::SetComponent(buffer[index],
componentIndex,
TestValue3Ids(index, componentIndex, arrayId));
}
}
// Make an array handle that points to this buffer.
typedef vtkm::cont::ArrayHandle<ValueType, StorageTag> ArrayHandleType;
ArrayHandleType bufferHandle =
vtkm::cont::make_ArrayHandle(buffer, ARRAY_SIZE);
// When this function returns, the array is going to go out of scope, which
// will invalidate the array handle we just created. So copy to a new buffer
// that will stick around after we return.
ArrayHandleType copyHandle;
vtkm::cont::DeviceAdapterAlgorithm<vtkm::cont::DeviceAdapterTagSerial>::Copy(
bufferHandle, copyHandle);
return copyHandle;
}
template<typename ValueType, typename C>
void CheckArray(const vtkm::cont::ArrayHandle<ValueType,C> &outArray,
const vtkm::IdComponent *inComponents,
const int *inArrayIds)
{
// ArrayHandleCompositeVector currently does not implement the ability to
// get to values on the control side, so copy to an array that is accessible.
typedef vtkm::cont::ArrayHandle<ValueType, StorageTag> ArrayHandleType;
ArrayHandleType arrayCopy;
vtkm::cont::DeviceAdapterAlgorithm<vtkm::cont::DeviceAdapterTagSerial>::Copy(
outArray, arrayCopy);
typename ArrayHandleType::PortalConstControl portal =
arrayCopy.GetPortalConstControl();
typedef vtkm::VecTraits<ValueType> VTraits;
for (vtkm::Id index = 0; index < ARRAY_SIZE; index++)
{
ValueType retreivedValue = portal.Get(index);
for (vtkm::IdComponent componentIndex = 0;
componentIndex < VTraits::NUM_COMPONENTS;
componentIndex++)
{
vtkm::FloatDefault retrievedComponent =
VTraits::GetComponent(retreivedValue, componentIndex);
vtkm::FloatDefault expectedComponent = TestValue3Ids(index,
inComponents[componentIndex],
inArrayIds[componentIndex]);
VTKM_TEST_ASSERT(retrievedComponent == expectedComponent,
"Got bad value.");
}
}
}
template<vtkm::IdComponent inComponents>
void TryScalarArray()
{
std::cout << "Creating a scalar array from one of "
<< inComponents << " components." << std::endl;
typedef vtkm::Vec<vtkm::FloatDefault,inComponents> InValueType;
typedef vtkm::cont::ArrayHandle<InValueType, StorageTag> InArrayType;
int inArrayId = 0;
InArrayType inArray = MakeInputArray<InValueType>(inArrayId);
typedef typename vtkm::cont::ArrayHandleCompositeVectorType<InArrayType>::type
OutArrayType;
for (vtkm::IdComponent inComponentIndex = 0;
inComponentIndex < inComponents;
inComponentIndex++)
{
OutArrayType outArray =
vtkm::cont::make_ArrayHandleCompositeVector(inArray, inComponentIndex);
CheckArray(outArray, &inComponentIndex, &inArrayId);
}
}
template<typename T1, typename T2, typename T3, typename T4>
void TryVector4(vtkm::cont::ArrayHandle<T1,StorageTag> array1,
vtkm::cont::ArrayHandle<T2,StorageTag> array2,
vtkm::cont::ArrayHandle<T3,StorageTag> array3,
vtkm::cont::ArrayHandle<T4,StorageTag> array4)
{
int arrayIds[4] = {0, 1, 2, 3};
vtkm::IdComponent inComponents[4];
for (inComponents[0] = 0;
inComponents[0] < vtkm::VecTraits<T1>::NUM_COMPONENTS;
inComponents[0]++)
{
for (inComponents[1] = 0;
inComponents[1] < vtkm::VecTraits<T2>::NUM_COMPONENTS;
inComponents[1]++)
{
for (inComponents[2] = 0;
inComponents[2] < vtkm::VecTraits<T3>::NUM_COMPONENTS;
inComponents[2]++)
{
for (inComponents[3] = 0;
inComponents[3] < vtkm::VecTraits<T4>::NUM_COMPONENTS;
inComponents[3]++)
{
CheckArray(
vtkm::cont::make_ArrayHandleCompositeVector(
array1, inComponents[0],
array2, inComponents[1],
array3, inComponents[2],
array4, inComponents[3]),
inComponents,
arrayIds);
}
}
}
}
}
template<typename T1, typename T2, typename T3>
void TryVector3(vtkm::cont::ArrayHandle<T1,StorageTag> array1,
vtkm::cont::ArrayHandle<T2,StorageTag> array2,
vtkm::cont::ArrayHandle<T3,StorageTag> array3)
{
int arrayIds[3] = {0, 1, 2};
vtkm::IdComponent inComponents[3];
for (inComponents[0] = 0;
inComponents[0] < vtkm::VecTraits<T1>::NUM_COMPONENTS;
inComponents[0]++)
{
for (inComponents[1] = 0;
inComponents[1] < vtkm::VecTraits<T2>::NUM_COMPONENTS;
inComponents[1]++)
{
for (inComponents[2] = 0;
inComponents[2] < vtkm::VecTraits<T3>::NUM_COMPONENTS;
inComponents[2]++)
{
CheckArray(
vtkm::cont::make_ArrayHandleCompositeVector(
array1, inComponents[0],
array2, inComponents[1],
array3, inComponents[2]),
inComponents,
arrayIds);
}
}
}
std::cout << " Fourth component from Scalar." << std::endl;
TryVector4(array1, array2, array3, MakeInputArray<vtkm::FloatDefault>(3));
std::cout << " Fourth component from Vector4." << std::endl;
TryVector4(array1,
array2,
array3,
MakeInputArray<vtkm::Vec<vtkm::FloatDefault,4> >(3));
}
template<typename T1, typename T2>
void TryVector2(vtkm::cont::ArrayHandle<T1,StorageTag> array1,
vtkm::cont::ArrayHandle<T2,StorageTag> array2)
{
int arrayIds[2] = {0, 1};
vtkm::IdComponent inComponents[2];
for (inComponents[0] = 0;
inComponents[0] < vtkm::VecTraits<T1>::NUM_COMPONENTS;
inComponents[0]++)
{
for (inComponents[1] = 0;
inComponents[1] < vtkm::VecTraits<T2>::NUM_COMPONENTS;
inComponents[1]++)
{
CheckArray(
vtkm::cont::make_ArrayHandleCompositeVector(
array1, inComponents[0],
array2, inComponents[1]),
inComponents,
arrayIds);
}
}
std::cout << " Third component from Scalar." << std::endl;
TryVector3(array1, array2, MakeInputArray<vtkm::FloatDefault>(2));
std::cout << " Third component from Vector2." << std::endl;
TryVector3(array1,
array2,
MakeInputArray<vtkm::Vec<vtkm::FloatDefault,2> >(2));
}
template<typename T1>
void TryVector1(vtkm::cont::ArrayHandle<T1,StorageTag> array1)
{
int arrayIds[1] = {0};
vtkm::IdComponent inComponents[1];
for (inComponents[0] = 0;
inComponents[0] < vtkm::VecTraits<T1>::NUM_COMPONENTS;
inComponents[0]++)
{
CheckArray(
vtkm::cont::make_ArrayHandleCompositeVector(array1, inComponents[0]),
inComponents,
arrayIds);
}
std::cout << " Second component from Scalar." << std::endl;
TryVector2(array1, MakeInputArray<vtkm::FloatDefault>(1));
std::cout << " Second component from Vector4." << std::endl;
TryVector2(array1, MakeInputArray<vtkm::Vec<vtkm::FloatDefault,4> >(1));
}
void TryVector()
{
std::cout << "Trying many permutations of composite vectors." << std::endl;
std::cout << " First component from Scalar." << std::endl;
TryVector1(MakeInputArray<vtkm::FloatDefault>(0));
std::cout << " First component from Vector3." << std::endl;
TryVector1(MakeInputArray<vtkm::Vec<vtkm::FloatDefault,3> >(0));
}
void TestBadArrayLengths() {
std::cout << "Checking behavior when size of input arrays do not agree."
<< std::endl;
typedef vtkm::cont::ArrayHandle<vtkm::FloatDefault, StorageTag> InArrayType;
InArrayType longInArray = MakeInputArray<vtkm::FloatDefault>(0);
InArrayType shortInArray = MakeInputArray<vtkm::FloatDefault>(1);
shortInArray.Shrink(ARRAY_SIZE/2);
try
{
vtkm::cont::make_ArrayHandleCompositeVector(longInArray,0, shortInArray,0);
VTKM_TEST_FAIL("Did not get exception like expected.");
}
catch (vtkm::cont::ErrorControlBadValue error)
{
std::cout << "Got expected error: " << std::endl
<< error.GetMessage() << std::endl;
}
}
void TestCompositeVector() {
TryScalarArray<2>();
TryScalarArray<3>();
TryScalarArray<4>();
TryVector();
TestBadArrayLengths();
}
} // anonymous namespace
int UnitTestArrayHandleCompositeVector(int, char *[])
{
return vtkm::cont::testing::Testing::Run(TestCompositeVector);
}