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<center><a href="https://gitlab.com/petsc/petsc/-/blob/966382dc56242773704ef5f5cee7aa2db3ebc577/include/petscdmda_kokkos.hpp">Actual source code: petscdmda_kokkos.hpp</a></center><br>
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<a name="line1"> 1: </a><font color="#A020F0">#pragma once</font>
<a name="line3"> 3: </a>#include <A href="../include/petscvec_kokkos.hpp.html"><petscvec_kokkos.hpp></A>
<a name="line4"> 4: </a>#include <A href="../include/petscdmda.h.html"><petscdmda.h></A>
<a name="line6"> 6: </a><font color="#B22222">/* MANSEC = <a href="../manualpages/DM/DM.html">DM</a> */</font>
<a name="line7"> 7: </a><font color="#B22222">/* SUBMANSEC = <a href="../manualpages/DMDA/DMDA.html">DMDA</a> */</font>
<a name="line9"> 9: </a><font color="#A020F0">#if defined(PETSC_HAVE_KOKKOS)</font>
<a name="line10"> 10: </a><font color="#A020F0"> #include <Kokkos_Core.hpp></font>
<a name="line11"> 11: </a><font color="#A020F0"> #include <Kokkos_OffsetView.hpp></font>
<a name="line13"> 13: </a><font color="#B22222">/*@C</font>
<a name="line14"> 14: </a><font color="#B22222"> <a href="../manualpages/DMDA/DMDAVecGetKokkosOffsetView.html">DMDAVecGetKokkosOffsetView</a> - Gets a Kokkos OffsetView that contains up-to-date data of a vector in the given memory space.</font>
<a name="line16"> 16: </a><font color="#B22222"> Synopsis:</font>
<a name="line17"> 17: </a>#include <A href="../include/petscdmda_kokkos.hpp.html"><petscdmda_kokkos.hpp></A>
<a name="line18"> 18: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecGetKokkosOffsetView.html">DMDAVecGetKokkosOffsetView</a>(<a href="../manualpages/DM/DM.html">DM</a> da,<a href="../manualpages/Vec/Vec.html">Vec</a> v,Kokkos::Experimental::OffsetView<const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>*,MemorySpace>* kv);</font>
<a name="line19"> 19: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecGetKokkosOffsetView.html">DMDAVecGetKokkosOffsetView</a>(<a href="../manualpages/DM/DM.html">DM</a> da,<a href="../manualpages/Vec/Vec.html">Vec</a> v,Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>*,MemorySpace>* kv);</font>
<a name="line20"> 20: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> DMDAVecGetKokkosOffsetViewWrite(<a href="../manualpages/DM/DM.html">DM</a> da,<a href="../manualpages/Vec/Vec.html">Vec</a> v,Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>*,MemorySpace>* kv);</font>
<a name="line21"> 21: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecGetKokkosOffsetView.html">DMDAVecGetKokkosOffsetView</a>(<a href="../manualpages/DM/DM.html">DM</a> da,<a href="../manualpages/Vec/Vec.html">Vec</a> v,Kokkos::Experimental::OffsetView<const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>**,Kokkos::LayoutRight,MemorySpace>* kv);</font>
<a name="line22"> 22: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecGetKokkosOffsetView.html">DMDAVecGetKokkosOffsetView</a>(<a href="../manualpages/DM/DM.html">DM</a> da,<a href="../manualpages/Vec/Vec.html">Vec</a> v,Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>**,Kokkos::LayoutRight,MemorySpace>* kv);</font>
<a name="line23"> 23: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> DMDAVecGetKokkosOffsetViewWrite(<a href="../manualpages/DM/DM.html">DM</a> da,<a href="../manualpages/Vec/Vec.html">Vec</a> v,Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>**,Kokkos::LayoutRight,MemorySpace>* kv);</font>
<a name="line24"> 24: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecGetKokkosOffsetView.html">DMDAVecGetKokkosOffsetView</a>(<a href="../manualpages/DM/DM.html">DM</a> da,<a href="../manualpages/Vec/Vec.html">Vec</a> v,Kokkos::Experimental::OffsetView<const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>***,Kokkos::LayoutRight,MemorySpace>* kv);</font>
<a name="line25"> 25: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecGetKokkosOffsetView.html">DMDAVecGetKokkosOffsetView</a>(<a href="../manualpages/DM/DM.html">DM</a> da,<a href="../manualpages/Vec/Vec.html">Vec</a> v,Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>***,Kokkos::LayoutRight,MemorySpace>* kv);</font>
<a name="line26"> 26: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> DMDAVecGetKokkosOffsetViewWrite(<a href="../manualpages/DM/DM.html">DM</a> da,<a href="../manualpages/Vec/Vec.html">Vec</a> v,Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>***,Kokkos::LayoutRight,MemorySpace>* kv);</font>
<a name="line28"> 28: </a><font color="#B22222"> Logically Collective, No Fortran Support</font>
<a name="line30"> 30: </a><font color="#B22222"> Input Parameters:</font>
<a name="line31"> 31: </a><font color="#B22222">+ da - the distributed array</font>
<a name="line32"> 32: </a><font color="#B22222">- v - the vector, either a vector the same size as one obtained with `<a href="../manualpages/DM/DMCreateGlobalVector.html">DMCreateGlobalVector</a>()` or `<a href="../manualpages/DM/DMCreateLocalVector.html">DMCreateLocalVector</a>()`</font>
<a name="line34"> 34: </a><font color="#B22222"> Output Parameter:</font>
<a name="line35"> 35: </a><font color="#B22222">. kv - the Kokkos OffsetView with a user-specified template parameter MemorySpace</font>
<a name="line37"> 37: </a><font color="#B22222"> Notes:</font>
<a name="line38"> 38: </a><font color="#B22222"> Call `<a href="../manualpages/DMDA/DMDAVecRestoreKokkosOffsetView.html">DMDAVecRestoreKokkosOffsetView</a>()` or `DMDAVecRestoreKokkosOffsetViewWrite()` once you have finished accessing the OffsetView.</font>
<a name="line40"> 40: </a><font color="#B22222"> If the vector is not of type `<a href="../manualpages/Vec/VECKOKKOS.html">VECKOKKOS</a>`, an error will be raised.</font>
<a name="line42"> 42: </a><font color="#B22222"> If the vector is a local vector (obtained with `<a href="../manualpages/DM/DMCreateLocalVector.html">DMCreateLocalVector</a>()` etc) then the ghost point locations are accessible. If it is</font>
<a name="line43"> 43: </a><font color="#B22222"> a global vector then the ghost points are not accessible. Of course with the local vector you will have to do the</font>
<a name="line44"> 44: </a><font color="#B22222"> appropriate `<a href="../manualpages/DM/DMGlobalToLocalBegin.html">DMGlobalToLocalBegin</a>()` and `<a href="../manualpages/DM/DMGlobalToLocalEnd.html">DMGlobalToLocalEnd</a>()` to have correct values in the ghost locations.</font>
<a name="line46"> 46: </a><font color="#B22222"> These routines are similar to `<a href="../manualpages/DMDA/DMDAVecGetArray.html">DMDAVecGetArray</a>()` and friends. One can read-only, write-only or read/write access the returned</font>
<a name="line47"> 47: </a><font color="#B22222"> Kokkos OffsetView. Note that passing in a constant OffsetView enables read-only access.</font>
<a name="line48"> 48: </a><font color="#B22222"> Currently, only two memory spaces are supported: HostMirrorMemorySpace and Kokkos::DefaultExecutionSpace::memory_space.</font>
<a name="line49"> 49: </a><font color="#B22222"> If needed, a memory copy will be internally called to copy the latest vector data to the specified memory space.</font>
<a name="line51"> 51: </a><font color="#B22222"> In C, to access the returned array of `<a href="../manualpages/DMDA/DMDAVecGetArray.html">DMDAVecGetArray</a>()`, the indexing is "backwards", i.e., array[k][j][i] (instead of array[i][j][k]),</font>
<a name="line52"> 52: </a><font color="#B22222"> where i, j, k are loop variables for the x, y, z dimensions respectively specified in `<a href="../manualpages/DMDA/DMDACreate3d.html">DMDACreate3d</a>()`, for example.</font>
<a name="line54"> 54: </a><font color="#B22222"> To give users the same experience as `<a href="../manualpages/DMDA/DMDAVecGetArray.html">DMDAVecGetArray</a>()`, we mandate the returned OffsetView always has Kokkos::LayoutRight (that is, rightest</font>
<a name="line55"> 55: </a><font color="#B22222"> subscript has a stride 1, as in C multi-dimensional arrays), regardless of whether the memory space is host or device. Thus it is important</font>
<a name="line56"> 56: </a><font color="#B22222"> to use Iterate::Right as IterateInner if one uses Kokkos::MDRangePolicy to access the OffsetView.</font>
<a name="line58"> 58: </a><font color="#B22222"> Note that the OffsetView kv's first dimension (i.e., the leftest, dim 0) corresponds to the <a href="../manualpages/DMDA/DMDA.html">DMDA</a>'s z direction, and its last dimension</font>
<a name="line59"> 59: </a><font color="#B22222"> (rightest) corresponds to <a href="../manualpages/DMDA/DMDA.html">DMDA</a>'s x direction.</font>
<a name="line61"> 61: </a><font color="#B22222"> If the vector is a global vector, we have</font>
<a name="line62"> 62: </a><font color="#B22222">.vb</font>
<a name="line63"> 63: </a><font color="#B22222"> kv.extent(0) = zm*dof, kv.begin(0) = zs*dof, kv.end(0) = (zs+zm)*dof</font>
<a name="line64"> 64: </a><font color="#B22222"> kv.extent(1) = ym*dof, kv.begin(1) = ys*dof, kv.end(1) = (ys+ym)*dof</font>
<a name="line65"> 65: </a><font color="#B22222"> kv.extent(2) = xm*dof, kv.begin(2) = xs*dof, kv.end(2) = (xs+xm)*dof</font>
<a name="line66"> 66: </a><font color="#B22222">.ve</font>
<a name="line67"> 67: </a><font color="#B22222"> If the vector is a local vector, we have</font>
<a name="line68"> 68: </a><font color="#B22222">.vb</font>
<a name="line69"> 69: </a><font color="#B22222"> kv.extent(0) = gzm*dof, kv.begin(0) = gzs*dof, kv.end(0) = (gzs+gzm)*dof</font>
<a name="line70"> 70: </a><font color="#B22222"> kv.extent(1) = gym*dof, kv.begin(1) = gys*dof, kv.end(1) = (gys+gym)*dof</font>
<a name="line71"> 71: </a><font color="#B22222"> kv.extent(2) = gxm*dof, kv.begin(2) = gxs*dof, kv.end(2) = (gxs+gxm)*dof</font>
<a name="line72"> 72: </a><font color="#B22222">.ve</font>
<a name="line74"> 74: </a><font color="#B22222"> The starts and widths above are obtained by</font>
<a name="line75"> 75: </a><font color="#B22222">.vb</font>
<a name="line76"> 76: </a><font color="#B22222"> <a href="../manualpages/DMDA/DMDAGetCorners.html">DMDAGetCorners</a>(da,&xs,&ys,&zs,&xm,&ym,&zm);</font>
<a name="line77"> 77: </a><font color="#B22222"> <a href="../manualpages/DMDA/DMDAGetGhostCorners.html">DMDAGetGhostCorners</a>(da,&gxs,&gys,&gzs,&gxm,&gym,&gzm);</font>
<a name="line78"> 78: </a><font color="#B22222">.ve</font>
<a name="line80"> 80: </a><font color="#B22222"> For example, to initialize a grid,</font>
<a name="line82"> 82: </a><font color="#B22222">.vb</font>
<a name="line83"> 83: </a><font color="#B22222"> typedef Kokkos::Experimental::OffsetView<const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>***,Kokkos::LayoutRight,MemorySpace> PetscScalarKokkosOffsetView3D;</font>
<a name="line85"> 85: </a><font color="#B22222"> PetscScalarKokkosOffsetView3D kv;</font>
<a name="line86"> 86: </a><font color="#B22222"> DMDAVecGetKokkosOffsetViewWrite(da,v,&kv); // v is a global vector and we assume dof is 1</font>
<a name="line87"> 87: </a><font color="#B22222"> <a href="../manualpages/DMDA/DMDAGetCorners.html">DMDAGetCorners</a>(da,&xs,&ys,&zs,&xm,&ym,&zm);</font>
<a name="line89"> 89: </a><font color="#B22222"> parallel_for ("Label",MDRangePolicy <Rank<3, Iterate::Right, Iterate::Right>>(</font>
<a name="line90"> 90: </a><font color="#B22222"> {zs,ys,xs},{zs+zm,ys+ym,xs+xm}), KOKKOS_LAMBDA (<a href="../manualpages/Sys/PetscInt.html">PetscInt</a> k,<a href="../manualpages/Sys/PetscInt.html">PetscInt</a> j,<a href="../manualpages/Sys/PetscInt.html">PetscInt</a> i) {</font>
<a name="line91"> 91: </a><font color="#B22222"> kv(k,j,i) = ...;</font>
<a name="line92"> 92: </a><font color="#B22222"> });</font>
<a name="line93"> 93: </a><font color="#B22222"> DMDAVecRestoreKokkosOffsetViewWrite(da,v,&kv);</font>
<a name="line94"> 94: </a><font color="#B22222">.ve</font>
<a name="line96"> 96: </a><font color="#B22222"> For a multi-component problem, one could cast the returned OffsetView to a user's type. But one has also to shrink</font>
<a name="line97"> 97: </a><font color="#B22222"> the OffsetView's extent accordingly. For example,</font>
<a name="line98"> 98: </a><font color="#B22222">.vb</font>
<a name="line99"> 99: </a><font color="#B22222"> typedef struct {</font>
<a name="line100">100: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> omega,temperature;</font>
<a name="line101">101: </a><font color="#B22222"> } Node;</font>
<a name="line103">103: </a><font color="#B22222"> using NodeKokkosOffsetView3D = Kokkos::Experimental::OffsetView<const Node***,Kokkos::LayoutRight,MemorySpace>;</font>
<a name="line104">104: </a><font color="#B22222"> DMDAVecGetKokkosOffsetViewWrite(da,v,&tv);</font>
<a name="line105">105: </a><font color="#B22222"> NodeKokkosOffsetView3D kv(reinterpret_cast<Node*>(tv.data()),{tv.begin(0)/dof,tv.begin(1)/dof,tv.begin(2)/dof}, {tv.end(0)/dof,tv.end(1)/dof,tv.end(2)/dof});</font>
<a name="line107">107: </a><font color="#B22222"> parallel_for ("Label",MDRangePolicy<Rank<3, Iterate::Right, Iterate::Right>>(</font>
<a name="line108">108: </a><font color="#B22222"> {zs,ys,xs},{zs+zm,ys+ym,xs+xm}), KOKKOS_LAMBDA (<a href="../manualpages/Sys/PetscInt.html">PetscInt</a> k,<a href="../manualpages/Sys/PetscInt.html">PetscInt</a> j,<a href="../manualpages/Sys/PetscInt.html">PetscInt</a> i) {</font>
<a name="line109">109: </a><font color="#B22222"> kv(k,j,i).omega = ...;</font>
<a name="line110">110: </a><font color="#B22222"> });</font>
<a name="line111">111: </a><font color="#B22222"> DMDAVecRestoreKokkosOffsetViewWrite(da,v,&tv)`;</font>
<a name="line112">112: </a><font color="#B22222">.ve</font>
<a name="line114">114: </a><font color="#B22222"> Level: intermediate</font>
<a name="line116">116: </a><font color="#B22222">.seealso: `<a href="../manualpages/DMDA/DMDAVecRestoreKokkosOffsetView.html">DMDAVecRestoreKokkosOffsetView</a>()`, `<a href="../manualpages/DMDA/DMDAGetGhostCorners.html">DMDAGetGhostCorners</a>()`, `<a href="../manualpages/DMDA/DMDAGetCorners.html">DMDAGetCorners</a>()`, `<a href="../manualpages/Vec/VecGetArray.html">VecGetArray</a>()`, `<a href="../manualpages/Vec/VecRestoreArray.html">VecRestoreArray</a>()`, `<a href="../manualpages/DMDA/DMDAVecRestoreArray.html">DMDAVecRestoreArray</a>()`, `<a href="../manualpages/DMDA/DMDAVecRestoreArrayDOF.html">DMDAVecRestoreArrayDOF</a>()`</font>
<a name="line117">117: </a><font color="#B22222"> `<a href="../manualpages/DMDA/DMDAVecGetArrayDOF.html">DMDAVecGetArrayDOF</a>()`, `<a href="../manualpages/DMDA/DMDAVecGetArrayWrite.html">DMDAVecGetArrayWrite</a>()`, `<a href="../manualpages/DMDA/DMDAVecRestoreArrayWrite.html">DMDAVecRestoreArrayWrite</a>()`, `<a href="../manualpages/DMDA/DMDAVecGetArrayRead.html">DMDAVecGetArrayRead</a>()`, `<a href="../manualpages/DMDA/DMDAVecRestoreArrayRead.html">DMDAVecRestoreArrayRead</a>()`,</font>
<a name="line118">118: </a><font color="#B22222"> `<a href="../manualpages/DMStag/DMStagVecGetArray.html">DMStagVecGetArray</a>()`</font>
<a name="line119">119: </a><font color="#B22222">@*/</font>
<a name="line120">120: </a>template <class MemorySpace>
<a name="line121">121: </a><a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecGetKokkosOffsetView.html">DMDAVecGetKokkosOffsetView</a>(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, Kokkos::Experimental::OffsetView<const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> *, MemorySpace> *);
<a name="line122">122: </a>template <class MemorySpace>
<a name="line123">123: </a><a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecGetKokkosOffsetView.html">DMDAVecGetKokkosOffsetView</a>(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> *, MemorySpace> *);
<a name="line124">124: </a>template <class MemorySpace>
<a name="line125">125: </a><a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> DMDAVecGetKokkosOffsetViewWrite(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> *, MemorySpace> *);
<a name="line127">127: </a>template <class MemorySpace>
<a name="line128">128: </a><a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecGetKokkosOffsetView.html">DMDAVecGetKokkosOffsetView</a>(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, Kokkos::Experimental::OffsetView<const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> **, Kokkos::LayoutRight, MemorySpace> *);
<a name="line129">129: </a>template <class MemorySpace>
<a name="line130">130: </a><a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecGetKokkosOffsetView.html">DMDAVecGetKokkosOffsetView</a>(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> **, Kokkos::LayoutRight, MemorySpace> *);
<a name="line131">131: </a>template <class MemorySpace>
<a name="line132">132: </a><a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> DMDAVecGetKokkosOffsetViewWrite(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> **, Kokkos::LayoutRight, MemorySpace> *);
<a name="line134">134: </a>template <class MemorySpace>
<a name="line135">135: </a><a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecGetKokkosOffsetView.html">DMDAVecGetKokkosOffsetView</a>(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, Kokkos::Experimental::OffsetView<const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> ***, Kokkos::LayoutRight, MemorySpace> *);
<a name="line136">136: </a>template <class MemorySpace>
<a name="line137">137: </a><a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecGetKokkosOffsetView.html">DMDAVecGetKokkosOffsetView</a>(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> ***, Kokkos::LayoutRight, MemorySpace> *);
<a name="line138">138: </a>template <class MemorySpace>
<a name="line139">139: </a><a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> DMDAVecGetKokkosOffsetViewWrite(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> ***, Kokkos::LayoutRight, MemorySpace> *);
<a name="line141">141: </a><font color="#B22222">/*@C</font>
<a name="line142">142: </a><font color="#B22222"> <a href="../manualpages/DMDA/DMDAVecRestoreKokkosOffsetView.html">DMDAVecRestoreKokkosOffsetView</a> - Returns the Kokkos OffsetView that was gotten with `<a href="../manualpages/DMDA/DMDAVecGetKokkosOffsetView.html">DMDAVecGetKokkosOffsetView</a>()`</font>
<a name="line144">144: </a><font color="#B22222"> Synopsis:</font>
<a name="line145">145: </a>#include <A href="../include/petscdmda_kokkos.hpp.html"><petscdmda_kokkos.hpp></A>
<a name="line146">146: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecRestoreKokkosOffsetView.html">DMDAVecRestoreKokkosOffsetView</a>(<a href="../manualpages/DM/DM.html">DM</a> da,<a href="../manualpages/Vec/Vec.html">Vec</a> v,Kokkos::Experimental::OffsetView<const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>*,MemorySpace>* kv);</font>
<a name="line147">147: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecRestoreKokkosOffsetView.html">DMDAVecRestoreKokkosOffsetView</a>(<a href="../manualpages/DM/DM.html">DM</a> da,<a href="../manualpages/Vec/Vec.html">Vec</a> v,Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>*,MemorySpace>* kv);</font>
<a name="line148">148: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> DMDAVecRestoreKokkosOffsetViewWrite(<a href="../manualpages/DM/DM.html">DM</a> da,<a href="../manualpages/Vec/Vec.html">Vec</a> v,Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>*,MemorySpace>* kv);</font>
<a name="line149">149: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecRestoreKokkosOffsetView.html">DMDAVecRestoreKokkosOffsetView</a>(<a href="../manualpages/DM/DM.html">DM</a> da,<a href="../manualpages/Vec/Vec.html">Vec</a> v,Kokkos::Experimental::OffsetView<const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>**,Kokkos::LayoutRight,MemorySpace>* kv);</font>
<a name="line150">150: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecRestoreKokkosOffsetView.html">DMDAVecRestoreKokkosOffsetView</a>(<a href="../manualpages/DM/DM.html">DM</a> da,<a href="../manualpages/Vec/Vec.html">Vec</a> v,Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>**,Kokkos::LayoutRight,MemorySpace>* kv);</font>
<a name="line151">151: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> DMDAVecRestoreKokkosOffsetViewWrite(<a href="../manualpages/DM/DM.html">DM</a> da,<a href="../manualpages/Vec/Vec.html">Vec</a> v,Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>**,Kokkos::LayoutRight,MemorySpace>* kv);</font>
<a name="line152">152: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecRestoreKokkosOffsetView.html">DMDAVecRestoreKokkosOffsetView</a>(<a href="../manualpages/DM/DM.html">DM</a> da,<a href="../manualpages/Vec/Vec.html">Vec</a> v,Kokkos::Experimental::OffsetView<const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>***,Kokkos::LayoutRight,MemorySpace>* kv);</font>
<a name="line153">153: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecRestoreKokkosOffsetView.html">DMDAVecRestoreKokkosOffsetView</a>(<a href="../manualpages/DM/DM.html">DM</a> da,<a href="../manualpages/Vec/Vec.html">Vec</a> v,Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>***,Kokkos::LayoutRight,MemorySpace>* kv);</font>
<a name="line154">154: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> DMDAVecRestoreKokkosOffsetViewWrite(<a href="../manualpages/DM/DM.html">DM</a> da,<a href="../manualpages/Vec/Vec.html">Vec</a> v,Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>***,Kokkos::LayoutRight,MemorySpace>* kv);</font>
<a name="line156">156: </a><font color="#B22222"> Logically Collective, No Fortran Support</font>
<a name="line158">158: </a><font color="#B22222"> Input Parameters:</font>
<a name="line159">159: </a><font color="#B22222">+ da - the distributed array</font>
<a name="line160">160: </a><font color="#B22222">. v - the vector, either a vector the same size as one obtained with `<a href="../manualpages/DM/DMCreateGlobalVector.html">DMCreateGlobalVector</a>()` or `<a href="../manualpages/DM/DMCreateLocalVector.html">DMCreateLocalVector</a>()`</font>
<a name="line161">161: </a><font color="#B22222">- kv - the Kokkos OffsetView with a user-specified template parameter MemorySpace</font>
<a name="line163">163: </a><font color="#B22222"> Level: intermediate</font>
<a name="line165">165: </a><font color="#B22222"> Note:</font>
<a name="line166">166: </a><font color="#B22222"> If the vector is not of type `<a href="../manualpages/Vec/VECKOKKOS.html">VECKOKKOS</a>`, an error will be raised.</font>
<a name="line168">168: </a><font color="#B22222">.seealso: `<a href="../manualpages/DMDA/DMDAVecGetKokkosOffsetView.html">DMDAVecGetKokkosOffsetView</a>()`, `<a href="../manualpages/DMDA/DMDAGetGhostCorners.html">DMDAGetGhostCorners</a>()`, `<a href="../manualpages/DMDA/DMDAGetCorners.html">DMDAGetCorners</a>()`, `<a href="../manualpages/Vec/VecGetArray.html">VecGetArray</a>()`, `<a href="../manualpages/Vec/VecRestoreArray.html">VecRestoreArray</a>()`, `<a href="../manualpages/DMDA/DMDAVecRestoreArray.html">DMDAVecRestoreArray</a>()`, `<a href="../manualpages/DMDA/DMDAVecRestoreArrayDOF.html">DMDAVecRestoreArrayDOF</a>()`</font>
<a name="line169">169: </a><font color="#B22222"> `<a href="../manualpages/DMDA/DMDAVecGetArrayDOF.html">DMDAVecGetArrayDOF</a>()`, `<a href="../manualpages/DMDA/DMDAVecGetArrayWrite.html">DMDAVecGetArrayWrite</a>()`, `<a href="../manualpages/DMDA/DMDAVecRestoreArrayWrite.html">DMDAVecRestoreArrayWrite</a>()`, `<a href="../manualpages/DMDA/DMDAVecGetArrayRead.html">DMDAVecGetArrayRead</a>()`, `<a href="../manualpages/DMDA/DMDAVecRestoreArrayRead.html">DMDAVecRestoreArrayRead</a>()`,</font>
<a name="line170">170: </a><font color="#B22222"> `<a href="../manualpages/DMStag/DMStagVecGetArray.html">DMStagVecGetArray</a>()`</font>
<a name="line171">171: </a><font color="#B22222">@*/</font>
<a name="line172">172: </a>template <class MemorySpace>
<a name="line173">173: </a><a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecRestoreKokkosOffsetView.html">DMDAVecRestoreKokkosOffsetView</a>(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, Kokkos::Experimental::OffsetView<const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> *, MemorySpace> *);
<a name="line174">174: </a>template <class MemorySpace>
<a name="line175">175: </a><a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecRestoreKokkosOffsetView.html">DMDAVecRestoreKokkosOffsetView</a>(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> *, MemorySpace> *);
<a name="line176">176: </a>template <class MemorySpace>
<a name="line177">177: </a><a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> DMDAVecRestoreKokkosOffsetViewWrite(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> *, MemorySpace> *);
<a name="line179">179: </a>template <class MemorySpace>
<a name="line180">180: </a><a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecRestoreKokkosOffsetView.html">DMDAVecRestoreKokkosOffsetView</a>(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, Kokkos::Experimental::OffsetView<const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> **, Kokkos::LayoutRight, MemorySpace> *);
<a name="line181">181: </a>template <class MemorySpace>
<a name="line182">182: </a><a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecRestoreKokkosOffsetView.html">DMDAVecRestoreKokkosOffsetView</a>(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> **, Kokkos::LayoutRight, MemorySpace> *);
<a name="line183">183: </a>template <class MemorySpace>
<a name="line184">184: </a><a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> DMDAVecRestoreKokkosOffsetViewWrite(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> **, Kokkos::LayoutRight, MemorySpace> *);
<a name="line186">186: </a>template <class MemorySpace>
<a name="line187">187: </a><a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecRestoreKokkosOffsetView.html">DMDAVecRestoreKokkosOffsetView</a>(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, Kokkos::Experimental::OffsetView<const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> ***, Kokkos::LayoutRight, MemorySpace> *);
<a name="line188">188: </a>template <class MemorySpace>
<a name="line189">189: </a><a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecRestoreKokkosOffsetView.html">DMDAVecRestoreKokkosOffsetView</a>(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> ***, Kokkos::LayoutRight, MemorySpace> *);
<a name="line190">190: </a>template <class MemorySpace>
<a name="line191">191: </a><a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> DMDAVecRestoreKokkosOffsetViewWrite(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> ***, Kokkos::LayoutRight, MemorySpace> *);
<a name="line193">193: </a><font color="#B22222">/*@C</font>
<a name="line194">194: </a><font color="#B22222"> <a href="../manualpages/DMDA/DMDAVecGetKokkosOffsetViewDOF.html">DMDAVecGetKokkosOffsetViewDOF</a> - Gets a Kokkos OffsetView that contains up-to-date data of a vector in the given memory space, with DOF as the rightest dimension of the OffsetView</font>
<a name="line196">196: </a><font color="#B22222"> Synopsis:</font>
<a name="line197">197: </a>#include <A href="../include/petscdmda_kokkos.hpp.html"><petscdmda_kokkos.hpp></A>
<a name="line198">198: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecGetKokkosOffsetViewDOF.html">DMDAVecGetKokkosOffsetViewDOF</a>(<a href="../manualpages/DM/DM.html">DM</a> da,<a href="../manualpages/Vec/Vec.html">Vec</a> v,Kokkos::Experimental::OffsetView<const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>**,Kokkos::LayoutRight,MemorySpace>* kv);</font>
<a name="line199">199: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecGetKokkosOffsetViewDOF.html">DMDAVecGetKokkosOffsetViewDOF</a>(<a href="../manualpages/DM/DM.html">DM</a> da,<a href="../manualpages/Vec/Vec.html">Vec</a> v,Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>**,Kokkos::LayoutRight,MemorySpace>* kv);</font>
<a name="line200">200: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> DMDAVecGetKokkosOffsetViewDOFWrite(<a href="../manualpages/DM/DM.html">DM</a> da,<a href="../manualpages/Vec/Vec.html">Vec</a> v,Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>**,Kokkos::LayoutRight,MemorySpace>* kv);</font>
<a name="line201">201: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecGetKokkosOffsetViewDOF.html">DMDAVecGetKokkosOffsetViewDOF</a>(<a href="../manualpages/DM/DM.html">DM</a> da,<a href="../manualpages/Vec/Vec.html">Vec</a> v,Kokkos::Experimental::OffsetView<const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>***,Kokkos::LayoutRight,MemorySpace>* kv);</font>
<a name="line202">202: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecGetKokkosOffsetViewDOF.html">DMDAVecGetKokkosOffsetViewDOF</a>(<a href="../manualpages/DM/DM.html">DM</a> da,<a href="../manualpages/Vec/Vec.html">Vec</a> v,Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>***,Kokkos::LayoutRight,MemorySpace>* kv);</font>
<a name="line203">203: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> DMDAVecGetKokkosOffsetViewDOFWrite(<a href="../manualpages/DM/DM.html">DM</a> da,<a href="../manualpages/Vec/Vec.html">Vec</a> v,Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>***,Kokkos::LayoutRight,MemorySpace>* kv);</font>
<a name="line204">204: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecGetKokkosOffsetViewDOF.html">DMDAVecGetKokkosOffsetViewDOF</a>(<a href="../manualpages/DM/DM.html">DM</a> da,<a href="../manualpages/Vec/Vec.html">Vec</a> v,Kokkos::Experimental::OffsetView<const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>****,Kokkos::LayoutRight,MemorySpace>* kv);</font>
<a name="line205">205: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecGetKokkosOffsetViewDOF.html">DMDAVecGetKokkosOffsetViewDOF</a>(<a href="../manualpages/DM/DM.html">DM</a> da,<a href="../manualpages/Vec/Vec.html">Vec</a> v,Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>****,Kokkos::LayoutRight,MemorySpace>* kv);</font>
<a name="line206">206: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> DMDAVecGetKokkosOffsetViewDOFWrite(<a href="../manualpages/DM/DM.html">DM</a> da,<a href="../manualpages/Vec/Vec.html">Vec</a> v,Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>****,Kokkos::LayoutRight,MemorySpace>* kv);</font>
<a name="line208">208: </a><font color="#B22222"> Logically Collective, No Fortran Support</font>
<a name="line210">210: </a><font color="#B22222"> Input Parameters:</font>
<a name="line211">211: </a><font color="#B22222">+ da - the distributed array</font>
<a name="line212">212: </a><font color="#B22222">- v - the vector, either a vector the same size as one obtained with `<a href="../manualpages/DM/DMCreateGlobalVector.html">DMCreateGlobalVector</a>()` or `<a href="../manualpages/DM/DMCreateLocalVector.html">DMCreateLocalVector</a>()`</font>
<a name="line214">214: </a><font color="#B22222"> Output Parameter:</font>
<a name="line215">215: </a><font color="#B22222">. kv - the Kokkos OffsetView with a user-specified template parameter MemorySpace</font>
<a name="line217">217: </a><font color="#B22222"> Notes:</font>
<a name="line218">218: </a><font color="#B22222"> Call `<a href="../manualpages/DMDA/DMDAVecRestoreKokkosOffsetViewDOF.html">DMDAVecRestoreKokkosOffsetViewDOF</a>()` or `DMDAVecRestoreKokkosOffsetViewDOFWrite()` once you have finished accessing the OffsetView.</font>
<a name="line220">220: </a><font color="#B22222"> If the vector is not a `<a href="../manualpages/Vec/VECKOKKOS.html">VECKOKKOS</a>` an error will be raised.</font>
<a name="line222">222: </a><font color="#B22222"> If the vector is a local vector (obtained with `<a href="../manualpages/DM/DMCreateLocalVector.html">DMCreateLocalVector</a>()` etc) then the ghost point locations are accessible. If it is</font>
<a name="line223">223: </a><font color="#B22222"> a global vector then the ghost points are not accessible. Of course with the local vector you will have to do the</font>
<a name="line224">224: </a><font color="#B22222"> appropriate `<a href="../manualpages/DM/DMGlobalToLocalBegin.html">DMGlobalToLocalBegin</a>()` and `<a href="../manualpages/DM/DMGlobalToLocalEnd.html">DMGlobalToLocalEnd</a>()` to have correct values in the ghost locations.</font>
<a name="line226">226: </a><font color="#B22222"> These routines are similar to `<a href="../manualpages/DMDA/DMDAVecGetArrayDOF.html">DMDAVecGetArrayDOF</a>()` and friends. One can read-only, write-only or read/write access the returned</font>
<a name="line227">227: </a><font color="#B22222"> Kokkos OffsetView. Note that passing in a constant OffsetView enables read-only access.</font>
<a name="line228">228: </a><font color="#B22222"> Currently, only two memory spaces are supported: HostMirrorMemorySpace and Kokkos::DefaultExecutionSpace::memory_space.</font>
<a name="line229">229: </a><font color="#B22222"> If needed, a memory copy will be internally called to copy the latest vector data to the given memory space.</font>
<a name="line231">231: </a><font color="#B22222"> In C, to access the returned array of `<a href="../manualpages/DMDA/DMDAVecGetArrayDOF.html">DMDAVecGetArrayDOF</a>()`, the indexing is "backwards", i.e., array[k][j][i][c] (instead of array[c][i][j][k]),</font>
<a name="line232">232: </a><font color="#B22222"> where i, j, k are loop variables for the x, y, z dimensions respectively, and c is the loop variable for DOFs, as specified in `<a href="../manualpages/DMDA/DMDACreate3d.html">DMDACreate3d</a>()`,</font>
<a name="line233">233: </a><font color="#B22222"> for example.</font>
<a name="line235">235: </a><font color="#B22222"> To give users the same experience as `<a href="../manualpages/DMDA/DMDAVecGetArrayDOF.html">DMDAVecGetArrayDOF</a>()`, we mandate the returned OffsetView always has Kokkos::LayoutRight (that is, rightest</font>
<a name="line236">236: </a><font color="#B22222"> subscript has a stride 1, as in C multi-dimensional arrays), regardless of whether the memory space is host or device. Thus it is important</font>
<a name="line237">237: </a><font color="#B22222"> to use Iterate::Right as IterateInner if one uses Kokkos::MDRangePolicy to access the OffsetView.</font>
<a name="line239">239: </a><font color="#B22222"> Note that for a 3D `<a href="../manualpages/DMDA/DMDA.html">DMDA</a>`, the OffsetView kv's first dimension (i.e., the leftest, dim 0) corresponds to <a href="../manualpages/DMDA/DMDA.html">DMDA</a>'s z direction, and its second-to-last dimension</font>
<a name="line240">240: </a><font color="#B22222"> (rightest) corresponds to <a href="../manualpages/DMDA/DMDA.html">DMDA</a>'s x direction.</font>
<a name="line242">242: </a><font color="#B22222"> If the vector is a global vector, we have</font>
<a name="line243">243: </a><font color="#B22222">.vb</font>
<a name="line244">244: </a><font color="#B22222"> kv.extent(0) = zm, kv.begin(0) = zs, kv.end(0) = zs+zm</font>
<a name="line245">245: </a><font color="#B22222"> kv.extent(1) = ym, kv.begin(1) = ys, kv.end(1) = ys+ym</font>
<a name="line246">246: </a><font color="#B22222"> kv.extent(2) = xm, kv.begin(2) = xs, kv.end(2) = xs+xm</font>
<a name="line247">247: </a><font color="#B22222"> kv.extent(3) = dof, kv.begin(3) = 0, kv.end(3) = dof</font>
<a name="line248">248: </a><font color="#B22222">.ve</font>
<a name="line249">249: </a><font color="#B22222"> If the vector is a local vector, we have</font>
<a name="line250">250: </a><font color="#B22222">.vb</font>
<a name="line251">251: </a><font color="#B22222"> kv.extent(0) = gzm, kv.begin(0) = gzs, kv.end(0) = gzs+gzm</font>
<a name="line252">252: </a><font color="#B22222"> kv.extent(1) = gym, kv.begin(1) = gys, kv.end(1) = gys+gym</font>
<a name="line253">253: </a><font color="#B22222"> kv.extent(2) = gxm, kv.begin(2) = gxs, kv.end(2) = gxs+gxm</font>
<a name="line254">254: </a><font color="#B22222"> kv.extent(3) = dof, kv.begin(3) = 0, kv.end(3) = dof</font>
<a name="line255">255: </a><font color="#B22222">.ve</font>
<a name="line257">257: </a><font color="#B22222"> The starts and widths above are obtained by</font>
<a name="line258">258: </a><font color="#B22222">.vb</font>
<a name="line259">259: </a><font color="#B22222"> <a href="../manualpages/DMDA/DMDAGetCorners.html">DMDAGetCorners</a>(da,&xs,&ys,&zs,&xm,&ym,&zm);</font>
<a name="line260">260: </a><font color="#B22222"> <a href="../manualpages/DMDA/DMDAGetGhostCorners.html">DMDAGetGhostCorners</a>(da,&gxs,&gys,&gzs,&gxm,&gym,&gzm);</font>
<a name="line261">261: </a><font color="#B22222">.ve</font>
<a name="line263">263: </a><font color="#B22222"> For example, to initialize a grid,</font>
<a name="line264">264: </a><font color="#B22222">.vb</font>
<a name="line265">265: </a><font color="#B22222"> typedef Kokkos::Experimental::OffsetView<const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>****,Kokkos::LayoutRight,MemorySpace> PetscScalarKokkosOffsetView4D;</font>
<a name="line267">267: </a><font color="#B22222"> PetscScalarKokkosOffsetView4D kv;</font>
<a name="line268">268: </a><font color="#B22222"> DMDAVecGetKokkosOffsetViewDOFWrite(da,v,&kv); // v is a global vector</font>
<a name="line269">269: </a><font color="#B22222"> <a href="../manualpages/DMDA/DMDAGetCorners.html">DMDAGetCorners</a>(da,&xs,&ys,&zs,&xm,&ym,&zm);</font>
<a name="line271">271: </a><font color="#B22222"> parallel_for ("Label",MDRangePolicy <Rank<4, Iterate::Right, Iterate::Right>>(</font>
<a name="line272">272: </a><font color="#B22222"> {zs,ys,xs,0},{zs+zm,ys+ym,xs+xm,dof}), KOKKOS_LAMBDA (<a href="../manualpages/Sys/PetscInt.html">PetscInt</a> k,<a href="../manualpages/Sys/PetscInt.html">PetscInt</a> j,<a href="../manualpages/Sys/PetscInt.html">PetscInt</a> i,<a href="../manualpages/Sys/PetscInt.html">PetscInt</a> c) {</font>
<a name="line273">273: </a><font color="#B22222"> kv(k,j,i,c) = ...;</font>
<a name="line274">274: </a><font color="#B22222"> });</font>
<a name="line275">275: </a><font color="#B22222"> DMDAVecRestoreKokkosOffsetViewDOFWrite(da,v,&kv);</font>
<a name="line276">276: </a><font color="#B22222">.ve</font>
<a name="line278">278: </a><font color="#B22222"> Level: intermediate</font>
<a name="line280">280: </a><font color="#B22222">.seealso: `<a href="../manualpages/DMDA/DMDAVecRestoreKokkosOffsetViewDOF.html">DMDAVecRestoreKokkosOffsetViewDOF</a>()`, `<a href="../manualpages/DMDA/DMDAGetGhostCorners.html">DMDAGetGhostCorners</a>()`, `<a href="../manualpages/DMDA/DMDAGetCorners.html">DMDAGetCorners</a>()`, `<a href="../manualpages/Vec/VecGetArray.html">VecGetArray</a>()`, `<a href="../manualpages/Vec/VecRestoreArray.html">VecRestoreArray</a>()`, `<a href="../manualpages/DMDA/DMDAVecRestoreArray.html">DMDAVecRestoreArray</a>()`, `<a href="../manualpages/DMDA/DMDAVecRestoreArrayDOF.html">DMDAVecRestoreArrayDOF</a>()`</font>
<a name="line281">281: </a><font color="#B22222"> `<a href="../manualpages/DMDA/DMDAVecGetArrayDOF.html">DMDAVecGetArrayDOF</a>()`, `<a href="../manualpages/DMDA/DMDAVecGetArrayWrite.html">DMDAVecGetArrayWrite</a>()`, `<a href="../manualpages/DMDA/DMDAVecRestoreArrayWrite.html">DMDAVecRestoreArrayWrite</a>()`, `<a href="../manualpages/DMDA/DMDAVecGetArrayRead.html">DMDAVecGetArrayRead</a>()`, `<a href="../manualpages/DMDA/DMDAVecRestoreArrayRead.html">DMDAVecRestoreArrayRead</a>()`,</font>
<a name="line282">282: </a><font color="#B22222"> `<a href="../manualpages/DMStag/DMStagVecGetArray.html">DMStagVecGetArray</a>()`</font>
<a name="line283">283: </a><font color="#B22222">@*/</font>
<a name="line284">284: </a>template <class MemorySpace>
<a name="line285">285: </a><a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecGetKokkosOffsetViewDOF.html">DMDAVecGetKokkosOffsetViewDOF</a>(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, Kokkos::Experimental::OffsetView<const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> **, Kokkos::LayoutRight, MemorySpace> *);
<a name="line286">286: </a>template <class MemorySpace>
<a name="line287">287: </a><a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecGetKokkosOffsetViewDOF.html">DMDAVecGetKokkosOffsetViewDOF</a>(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> **, Kokkos::LayoutRight, MemorySpace> *);
<a name="line288">288: </a>template <class MemorySpace>
<a name="line289">289: </a><a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> DMDAVecGetKokkosOffsetViewDOFWrite(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> **, Kokkos::LayoutRight, MemorySpace> *);
<a name="line291">291: </a>template <class MemorySpace>
<a name="line292">292: </a><a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecGetKokkosOffsetViewDOF.html">DMDAVecGetKokkosOffsetViewDOF</a>(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, Kokkos::Experimental::OffsetView<const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> ***, Kokkos::LayoutRight, MemorySpace> *);
<a name="line293">293: </a>template <class MemorySpace>
<a name="line294">294: </a><a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecGetKokkosOffsetViewDOF.html">DMDAVecGetKokkosOffsetViewDOF</a>(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> ***, Kokkos::LayoutRight, MemorySpace> *);
<a name="line295">295: </a>template <class MemorySpace>
<a name="line296">296: </a><a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> DMDAVecGetKokkosOffsetViewDOFWrite(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> ***, Kokkos::LayoutRight, MemorySpace> *);
<a name="line298">298: </a>template <class MemorySpace>
<a name="line299">299: </a><a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecGetKokkosOffsetViewDOF.html">DMDAVecGetKokkosOffsetViewDOF</a>(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, Kokkos::Experimental::OffsetView<const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> ****, Kokkos::LayoutRight, MemorySpace> *);
<a name="line300">300: </a>template <class MemorySpace>
<a name="line301">301: </a><a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecGetKokkosOffsetViewDOF.html">DMDAVecGetKokkosOffsetViewDOF</a>(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> ****, Kokkos::LayoutRight, MemorySpace> *);
<a name="line302">302: </a>template <class MemorySpace>
<a name="line303">303: </a><a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> DMDAVecGetKokkosOffsetViewDOFWrite(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> ****, Kokkos::LayoutRight, MemorySpace> *);
<a name="line305">305: </a><font color="#B22222">/*@C</font>
<a name="line306">306: </a><font color="#B22222"> <a href="../manualpages/DMDA/DMDAVecRestoreKokkosOffsetViewDOF.html">DMDAVecRestoreKokkosOffsetViewDOF</a> - Returns the Kokkos OffsetView that was gotten from `<a href="../manualpages/DMDA/DMDAVecGetKokkosOffsetViewDOF.html">DMDAVecGetKokkosOffsetViewDOF</a>()`</font>
<a name="line308">308: </a><font color="#B22222"> Synopsis:</font>
<a name="line309">309: </a>#include <A href="../include/petscdmda_kokkos.hpp.html"><petscdmda_kokkos.hpp></A>
<a name="line310">310: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecRestoreKokkosOffsetViewDOF.html">DMDAVecRestoreKokkosOffsetViewDOF</a>(<a href="../manualpages/DM/DM.html">DM</a> da,<a href="../manualpages/Vec/Vec.html">Vec</a> v,Kokkos::Experimental::OffsetView<const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>**,Kokkos::LayoutRight,MemorySpace>* kv);</font>
<a name="line311">311: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecRestoreKokkosOffsetViewDOF.html">DMDAVecRestoreKokkosOffsetViewDOF</a>(<a href="../manualpages/DM/DM.html">DM</a> da,<a href="../manualpages/Vec/Vec.html">Vec</a> v,Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>**,Kokkos::LayoutRight,MemorySpace>* kv);</font>
<a name="line312">312: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> DMDAVecRestoreKokkosOffsetViewDOFWrite(<a href="../manualpages/DM/DM.html">DM</a> da,<a href="../manualpages/Vec/Vec.html">Vec</a> v,Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>**,Kokkos::LayoutRight,MemorySpace>* kv);</font>
<a name="line313">313: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecRestoreKokkosOffsetViewDOF.html">DMDAVecRestoreKokkosOffsetViewDOF</a>(<a href="../manualpages/DM/DM.html">DM</a> da,<a href="../manualpages/Vec/Vec.html">Vec</a> v,Kokkos::Experimental::OffsetView<const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>***,Kokkos::LayoutRight,MemorySpace>* kv);</font>
<a name="line314">314: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecRestoreKokkosOffsetViewDOF.html">DMDAVecRestoreKokkosOffsetViewDOF</a>(<a href="../manualpages/DM/DM.html">DM</a> da,<a href="../manualpages/Vec/Vec.html">Vec</a> v,Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>***,Kokkos::LayoutRight,MemorySpace>* kv);</font>
<a name="line315">315: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> DMDAVecRestoreKokkosOffsetViewDOFWrite(<a href="../manualpages/DM/DM.html">DM</a> da,<a href="../manualpages/Vec/Vec.html">Vec</a> v,Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>***,Kokkos::LayoutRight,MemorySpace>* kv);</font>
<a name="line316">316: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecRestoreKokkosOffsetViewDOF.html">DMDAVecRestoreKokkosOffsetViewDOF</a>(<a href="../manualpages/DM/DM.html">DM</a> da,<a href="../manualpages/Vec/Vec.html">Vec</a> v,Kokkos::Experimental::OffsetView<const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>****,Kokkos::LayoutRight,MemorySpace>* kv);</font>
<a name="line317">317: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecRestoreKokkosOffsetViewDOF.html">DMDAVecRestoreKokkosOffsetViewDOF</a>(<a href="../manualpages/DM/DM.html">DM</a> da,<a href="../manualpages/Vec/Vec.html">Vec</a> v,Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>****,Kokkos::LayoutRight,MemorySpace>* kv);</font>
<a name="line318">318: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> DMDAVecRestoreKokkosOffsetViewDOFWrite(<a href="../manualpages/DM/DM.html">DM</a> da,<a href="../manualpages/Vec/Vec.html">Vec</a> v,Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>****,Kokkos::LayoutRight,MemorySpace>* kv);</font>
<a name="line320">320: </a><font color="#B22222"> Logically Collective, No Fortran Support</font>
<a name="line322">322: </a><font color="#B22222"> Input Parameters:</font>
<a name="line323">323: </a><font color="#B22222">+ da - the distributed array</font>
<a name="line324">324: </a><font color="#B22222">. v - the vector, either a vector the same size as one obtained with `<a href="../manualpages/DM/DMCreateGlobalVector.html">DMCreateGlobalVector</a>()` or `<a href="../manualpages/DM/DMCreateLocalVector.html">DMCreateLocalVector</a>()`</font>
<a name="line325">325: </a><font color="#B22222">- kv - the Kokkos OffsetView with a user-specified template parameter MemorySpace</font>
<a name="line327">327: </a><font color="#B22222"> Level: intermediate</font>
<a name="line329">329: </a><font color="#B22222"> Note:</font>
<a name="line330">330: </a><font color="#B22222"> If the vector is not of type `<a href="../manualpages/Vec/VECKOKKOS.html">VECKOKKOS</a>`, an error will be raised.</font>
<a name="line332">332: </a><font color="#B22222">.seealso: `<a href="../manualpages/DMDA/DMDAVecGetKokkosOffsetViewDOF.html">DMDAVecGetKokkosOffsetViewDOF</a>()`, `<a href="../manualpages/DMDA/DMDAVecGetKokkosOffsetView.html">DMDAVecGetKokkosOffsetView</a>()`, `<a href="../manualpages/DMDA/DMDAGetGhostCorners.html">DMDAGetGhostCorners</a>()`, `<a href="../manualpages/DMDA/DMDAGetCorners.html">DMDAGetCorners</a>()`, `<a href="../manualpages/Vec/VecGetArray.html">VecGetArray</a>()`, `<a href="../manualpages/Vec/VecRestoreArray.html">VecRestoreArray</a>()`, `<a href="../manualpages/DMDA/DMDAVecRestoreArray.html">DMDAVecRestoreArray</a>()`, `<a href="../manualpages/DMDA/DMDAVecRestoreArrayDOF.html">DMDAVecRestoreArrayDOF</a>()`</font>
<a name="line333">333: </a><font color="#B22222"> `<a href="../manualpages/DMDA/DMDAVecGetArrayDOF.html">DMDAVecGetArrayDOF</a>()`, `<a href="../manualpages/DMDA/DMDAVecGetArrayWrite.html">DMDAVecGetArrayWrite</a>()`, `<a href="../manualpages/DMDA/DMDAVecRestoreArrayWrite.html">DMDAVecRestoreArrayWrite</a>()`, `<a href="../manualpages/DMDA/DMDAVecGetArrayRead.html">DMDAVecGetArrayRead</a>()`, `<a href="../manualpages/DMDA/DMDAVecRestoreArrayRead.html">DMDAVecRestoreArrayRead</a>()`,</font>
<a name="line334">334: </a><font color="#B22222"> `<a href="../manualpages/DMStag/DMStagVecGetArray.html">DMStagVecGetArray</a>()`</font>
<a name="line335">335: </a><font color="#B22222">@*/</font>
<a name="line336">336: </a>template <class MemorySpace>
<a name="line337">337: </a><a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecRestoreKokkosOffsetViewDOF.html">DMDAVecRestoreKokkosOffsetViewDOF</a>(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, Kokkos::Experimental::OffsetView<const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> **, Kokkos::LayoutRight, MemorySpace> *);
<a name="line338">338: </a>template <class MemorySpace>
<a name="line339">339: </a><a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecRestoreKokkosOffsetViewDOF.html">DMDAVecRestoreKokkosOffsetViewDOF</a>(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> **, Kokkos::LayoutRight, MemorySpace> *);
<a name="line340">340: </a>template <class MemorySpace>
<a name="line341">341: </a><a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> DMDAVecRestoreKokkosOffsetViewDOFWrite(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> **, Kokkos::LayoutRight, MemorySpace> *);
<a name="line343">343: </a>template <class MemorySpace>
<a name="line344">344: </a><a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecRestoreKokkosOffsetViewDOF.html">DMDAVecRestoreKokkosOffsetViewDOF</a>(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, Kokkos::Experimental::OffsetView<const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> ***, Kokkos::LayoutRight, MemorySpace> *);
<a name="line345">345: </a>template <class MemorySpace>
<a name="line346">346: </a><a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecRestoreKokkosOffsetViewDOF.html">DMDAVecRestoreKokkosOffsetViewDOF</a>(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> ***, Kokkos::LayoutRight, MemorySpace> *);
<a name="line347">347: </a>template <class MemorySpace>
<a name="line348">348: </a><a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> DMDAVecRestoreKokkosOffsetViewDOFWrite(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> ***, Kokkos::LayoutRight, MemorySpace> *);
<a name="line350">350: </a>template <class MemorySpace>
<a name="line351">351: </a><a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecRestoreKokkosOffsetViewDOF.html">DMDAVecRestoreKokkosOffsetViewDOF</a>(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, Kokkos::Experimental::OffsetView<const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> ****, Kokkos::LayoutRight, MemorySpace> *);
<a name="line352">352: </a>template <class MemorySpace>
<a name="line353">353: </a><a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DMDA/DMDAVecRestoreKokkosOffsetViewDOF.html">DMDAVecRestoreKokkosOffsetViewDOF</a>(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> ****, Kokkos::LayoutRight, MemorySpace> *);
<a name="line354">354: </a>template <class MemorySpace>
<a name="line355">355: </a><a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> DMDAVecRestoreKokkosOffsetViewDOFWrite(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, Kokkos::Experimental::OffsetView<<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> ****, Kokkos::LayoutRight, MemorySpace> *);
<a name="line356">356: </a><font color="#A020F0">#endif</font>
</pre>
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