internal static int igraph_pagerank(igraph_t graph, igraph_pagerank_algo_t algo, igraph_vector_t vector, out double value, igraph_vs_t vids, bool directed, double damping, igraph_vector_t weights)
{
value = 1;
var options = IntPtr.Zero;
if (algo == igraph_pagerank_algo_t.IGRAPH_PAGERANK_ALGO_ARPACK)
{
var arpackoptions = GetDefaultArpackOptions();
options = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(igraph_arpack_options_t)));
Marshal.StructureToPtr(arpackoptions, options, false);
}
else if (algo == igraph_pagerank_algo_t.IGRAPH_PAGERANK_ALGO_POWER)
{
var poweroptions = GetDefaultPowerOptions();
options = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(igraph_pagerank_power_options_t)));
Marshal.StructureToPtr(poweroptions, options, false);
}
try {
return(X86 ? igraph_pagerank_x86(graph, algo, vector, ref value, vids, directed, damping, weights, options) : igraph_pagerank_x64(graph, algo, vector, ref value, vids, directed, damping, weights, options));
} finally {
if (algo == igraph_pagerank_algo_t.IGRAPH_PAGERANK_ALGO_ARPACK)
{
Marshal.DestroyStructure(options, typeof(igraph_arpack_options_t));
Marshal.FreeHGlobal(options);
}
else if (algo == igraph_pagerank_algo_t.IGRAPH_PAGERANK_ALGO_POWER)
{
Marshal.DestroyStructure(options, typeof(igraph_pagerank_power_options_t));
Marshal.FreeHGlobal(options);
}
}
}
private static extern int igraph_pagerank_x64(igraph_t graph, igraph_pagerank_algo_t algo, [In, Out] igraph_vector_t vector, ref double value, igraph_vs_t vids, bool directed, double damping, igraph_vector_t weights, IntPtr options);
