/// <summary>
/// </summary>
public GraphContext()
{
_context = new nvgraphContext();
res = NVGraphNativeMathods.nvgraphCreate(ref _context);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "nvgraphCreate", res));
if (res != nvgraphStatus.Success) throw new NVGraphException(res);
}
public static extern nvgraphStatus nvgraphSrSpmv(nvgraphContext handle,
nvgraphGraphDescr descrG,
SizeT weight_index,
IntPtr alpha,
SizeT x_index,
IntPtr beta,
SizeT y_index,
nvgraphSemiring SR);
public static extern nvgraphStatus nvgraphPagerank(nvgraphContext handle,
nvgraphGraphDescr descrG,
SizeT weight_index,
IntPtr alpha,
SizeT bookmark_index,
int has_guess,
SizeT pagerank_index,
float tolerance,
int max_iter);
/// <summary>
/// </summary>
public GraphContext()
{
_context = new nvgraphContext();
res = NVGraphNativeMathods.nvgraphCreate(ref _context);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "nvgraphCreate", res));
if (res != nvgraphStatus.Success)
{
throw new NVGraphException(res);
}
}
/// <summary>
/// </summary>
internal GraphDescriptor(nvgraphContext context)
{
_descr = new nvgraphGraphDescr();
_context = context;
res = NVGraphNativeMathods.nvgraphCreateGraphDescr(_context, ref _descr);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "nvgraphCreateGraphDescr", res));
if (res != nvgraphStatus.Success)
{
throw new NVGraphException(res);
}
}
public static extern nvgraphStatus nvgraphGetVertexData(nvgraphContext handle, nvgraphGraphDescr descrG, IntPtr vertexData, SizeT setnum);
public static extern nvgraphStatus nvgraphConvertGraph(nvgraphContext handle, nvgraphGraphDescr srcDescrG, nvgraphGraphDescr dstDescrG, nvgraphTopologyType dstTType);
public static extern nvgraphStatus nvgraphAllocateEdgeData(nvgraphContext handle, nvgraphGraphDescr descrG, SizeT numsets, cudaDataType[] settypes);
public static extern nvgraphStatus nvgraphDestroy(nvgraphContext handle);
public static extern nvgraphStatus nvgraphConvertTopology(nvgraphContext handle,
nvgraphTopologyType srcTType, nvgraphTopologyBase srcTopology, CUdeviceptr srcEdgeData, ref cudaDataType dataType,
nvgraphTopologyType dstTType, nvgraphTopologyBase dstTopology, CUdeviceptr dstEdgeData);
public static extern nvgraphStatus nvgraphGetEdgeData(nvgraphContext handle, nvgraphGraphDescr descrG, CUdeviceptr edgeData, SizeT setnum);
public static extern nvgraphStatus nvgraphExtractSubgraphByEdge(nvgraphContext handle, nvgraphGraphDescr descrG, nvgraphGraphDescr subdescrG, int[] subedges, SizeT numedges);
public static extern nvgraphStatus nvgraphSetGraphStructure(nvgraphContext handle, nvgraphGraphDescr descrG, nvgraphTopologyBase topologyData, nvgraphTopologyType TType);
public static extern nvgraphStatus nvgraphSssp(nvgraphContext handle,
nvgraphGraphDescr descrG,
SizeT weight_index,
ref int source_vert,
SizeT sssp_index);
public static extern nvgraphStatus nvgraphPagerank(nvgraphContext handle,
nvgraphGraphDescr descrG,
SizeT weight_index,
IntPtr alpha,
SizeT bookmark_index,
int has_guess,
SizeT pagerank_index,
float tolerance,
int max_iter );
public static extern nvgraphStatus nvgraphSetEdgeData(nvgraphContext handle, nvgraphGraphDescr descrG, IntPtr edgeData, SizeT setnum);
public static extern nvgraphStatus nvgraphExtractSubgraphByVertex(nvgraphContext handle, nvgraphGraphDescr descrG, nvgraphGraphDescr subdescrG, int[] subvertices, SizeT numvertices );
public static extern nvgraphStatus nvgraphExtractSubgraphByEdge( nvgraphContext handle, nvgraphGraphDescr descrG, nvgraphGraphDescr subdescrG, int[] subedges , SizeT numedges);
public static extern nvgraphStatus nvgraphDestroyGraphDescr(nvgraphContext handle, nvgraphGraphDescr descrG);
public static extern nvgraphStatus nvgraphConvertTopology(nvgraphContext handle,
nvgraphTopologyType srcTType, nvgraphTopologyBase srcTopology, CUdeviceptr srcEdgeData, ref cudaDataType dataType,
nvgraphTopologyType dstTType, nvgraphTopologyBase dstTopology, CUdeviceptr dstEdgeData);
public static extern nvgraphStatus nvgraphCreate(ref nvgraphContext handle);
public static extern nvgraphStatus nvgraphConvertGraph(nvgraphContext handle, nvgraphGraphDescr srcDescrG, nvgraphGraphDescr dstDescrG, nvgraphTopologyType dstTType);
public static extern nvgraphStatus nvgraphDestroy(nvgraphContext handle);
public static extern nvgraphStatus nvgraphExtractSubgraphByVertex(nvgraphContext handle, nvgraphGraphDescr descrG, nvgraphGraphDescr subdescrG, int[] subvertices, SizeT numvertices);
public static extern nvgraphStatus nvgraphDestroyGraphDescr(nvgraphContext handle, nvgraphGraphDescr descrG);
public static extern nvgraphStatus nvgraphSetVertexData(nvgraphContext handle, nvgraphGraphDescr descrG, CUdeviceptr vertexData, SizeT setnum);
public static extern nvgraphStatus nvgraphCreateGraphDescr(nvgraphContext handle, ref nvgraphGraphDescr descrG);
public static extern nvgraphStatus nvgraphWidestPath(nvgraphContext handle,
nvgraphGraphDescr descrG,
SizeT weight_index,
ref int source_vert,
SizeT widest_path_index);
public static extern nvgraphStatus nvgraphSrSpmv(nvgraphContext handle,
nvgraphGraphDescr descrG,
SizeT weight_index,
IntPtr alpha,
SizeT x_index,
IntPtr beta,
SizeT y_index,
nvgraphSemiring SR);
public static extern nvgraphStatus nvgraphCreate(ref nvgraphContext handle);
public static extern nvgraphStatus nvgraphSssp(nvgraphContext handle,
nvgraphGraphDescr descrG,
SizeT weight_index,
ref int source_vert,
SizeT sssp_index);
public static extern nvgraphStatus nvgraphCreateGraphDescr(nvgraphContext handle, ref nvgraphGraphDescr descrG);
public static extern nvgraphStatus nvgraphWidestPath(nvgraphContext handle,
nvgraphGraphDescr descrG,
SizeT weight_index,
ref int source_vert,
SizeT widest_path_index);
public static extern nvgraphStatus nvgraphSetGraphStructure(nvgraphContext handle, nvgraphGraphDescr descrG, nvgraphTopologyBase topologyData, nvgraphTopologyType TType);
public static extern nvgraphStatus nvgraphAllocateVertexData(nvgraphContext handle, nvgraphGraphDescr descrG, SizeT numsets, cudaDataType[] settypes);
