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Fix construction issue for XGC arrays in topology map fetch

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The `Fetch::Load` for an input array of a topology map for an XGC array
(that uses `ConnectivityExtrude`) was failing to compile because it
creates a return `Vec` and then fills it. That does not work if the
input array has values that cannot be default constructed. This is the
case for `ArrayHandleRecombineVec`, which creates values that lazily
pull data out of portals.

Change the code to careful construct the return `Vec` such that it does
not require the default constructor of the components.
This commit is contained in:
Kenneth Moreland 2023-02-03 07:05:58 -05:00
parent 634847ce20
commit d26d76deaf
1 changed files with 6 additions and 8 deletions
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14
vtkm/exec/arg/FetchTagArrayTopologyMapIn.h
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@ -227,15 +227,13 @@ struct Fetch<vtkm::exec::arg::FetchTagArrayTopologyMapIn,
const vtkm::Id offset2 = (xgcidx.Planes[1] * xgcidx.NumberOfPointsPerPlane);
using ValueType = vtkm::Vec<typename ExecObjectType::ValueType, 6>;
ValueType result;
result[0] = portal.Get(offset1 + xgcidx.PointIds[0][0]);
result[1] = portal.Get(offset1 + xgcidx.PointIds[0][1]);
result[2] = portal.Get(offset1 + xgcidx.PointIds[0][2]);
result[3] = portal.Get(offset2 + xgcidx.PointIds[1][0]);
result[4] = portal.Get(offset2 + xgcidx.PointIds[1][1]);
result[5] = portal.Get(offset2 + xgcidx.PointIds[1][2]);
return result;
return ValueType(portal.Get(offset1 + xgcidx.PointIds[0][0]),
portal.Get(offset1 + xgcidx.PointIds[0][1]),
portal.Get(offset1 + xgcidx.PointIds[0][2]),
portal.Get(offset2 + xgcidx.PointIds[1][0]),
portal.Get(offset2 + xgcidx.PointIds[1][1]),
portal.Get(offset2 + xgcidx.PointIds[1][2]));
}