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Fix divide-by-zero in UnitTestCellInterpolate

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This commit is contained in:
Kenneth Moreland 2021-07-12 07:08:33 -06:00
parent e4ae3cee1b
commit 9ce97352d9
1 changed files with 11 additions and 9 deletions
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20
vtkm/exec/testing/UnitTestCellInterpolate.cxx
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@ -59,6 +59,11 @@ struct TestInterpolateFunctor
void DoTestWithField(CellShapeTag shape, const FieldVecType& fieldValues) const void DoTestWithField(CellShapeTag shape, const FieldVecType& fieldValues) const
{ {
vtkm::IdComponent numPoints = fieldValues.GetNumberOfComponents(); vtkm::IdComponent numPoints = fieldValues.GetNumberOfComponents();
if (numPoints < 1)
{
return;
}
FieldType averageValue = vtkm::TypeTraits<FieldType>::ZeroInitialization(); FieldType averageValue = vtkm::TypeTraits<FieldType>::ZeroInitialization();
for (vtkm::IdComponent pointIndex = 0; pointIndex < numPoints; pointIndex++) for (vtkm::IdComponent pointIndex = 0; pointIndex < numPoints; pointIndex++)
{ {
@ -77,16 +82,13 @@ struct TestInterpolateFunctor
"Interpolation at point not point value."); "Interpolation at point not point value.");
} }
if (numPoints > 0) vtkm::Vec3f pcoord;
{ CHECK_CALL(vtkm::exec::ParametricCoordinatesCenter(numPoints, shape, pcoord));
vtkm::Vec3f pcoord; FieldType interpolatedValue;
CHECK_CALL(vtkm::exec::ParametricCoordinatesCenter(numPoints, shape, pcoord)); CHECK_CALL(vtkm::exec::CellInterpolate(fieldValues, pcoord, shape, interpolatedValue));
FieldType interpolatedValue;
CHECK_CALL(vtkm::exec::CellInterpolate(fieldValues, pcoord, shape, interpolatedValue));
VTKM_TEST_ASSERT(test_equal(averageValue, interpolatedValue), VTKM_TEST_ASSERT(test_equal(averageValue, interpolatedValue),
"Interpolation at center not average value."); "Interpolation at center not average value.");
}
} }
template <typename CellShapeTag> template <typename CellShapeTag>