With the major revision 2.0 of VTK-m, many items previously marked as
deprecated were removed. If updating to a new version of VTK-m, it is
recommended to first update to VTK-m 1.9, which will include the deprecated
features but provide warnings (with the right compiler) that will point to
the replacement code. Once the deprecations have been fixed, updating to
2.0 should be smoother.
Even if an error condition occurs, the output parameter should be
initialized to something. This makes the behavior predicatable on error
conditions and prevents uninitialized variable warnings.
This is a flag that functions in the execution environment can return to
report on the status of the operation. This way they can report an error
without forcing the entire invocation to shut down.
Cell operations like interpolate and finding parametric coordinates can
fail under certain conditions. Typically these call RaiseError on the
worklet. But that can make a worklet unstable, so provide paths where no
error is raised.
Due to recent changes to remove static arrays that are not supported on
some devices, the function to return all the local point indices on a
face was removed. That left no way to get the structure of cell faces
short of pulling an internal data structure.
This change resurrects a function to get point indices for a face. The
interface for this method has necessarily changed, so I also changed the
corresponding function for getting edge indices.
These changes now allow VTK-m to compile on CUDA 7.5 by using const arrays,
when compiling with CUDA 8+ support we upgrade to static const arrays, and
lastly when CUDA is disabled we fully elevate to static constexpr.
If a global static array is declared with VTKM_EXEC_CONSTANT and the code
is compiled by nvcc (for multibackend code) then the array is only accesible
on the GPU. If for some reason a worklet fails on the cuda backend and it is
re-executed on any of the CPU backends, it will continue to fail.
We couldn't find a simple way to declare the array once and have it available
on both CPU and GPU. The approach we are using here is to declare the arrays
as static inside some "Get" function which is marked as VTKM_EXEC_CONT.
Sandia National Laboratories recently changed management from the
Sandia Corporation to the National Technology & Engineering Solutions
of Sandia, LLC (NTESS). The copyright statements need to be updated
accordingly.
Previously, ExternalFaces really only supported tetrahedral meshes that
have only triangular faces. These changes support all mixes of cells and
their faces.
