public IEnumerator <object[]> GetEnumerator()
{
for (int i = LowerBound; i < UpperBound; ++i)
{
string testCase = i.ToString("D2", CultureInfo.InvariantCulture);
using TextReader textReader = IndexedGraphs.GetTextReader(testCase);
if (textReader == TextReader.Null)
{
continue;
}
var edges = IndexedEdgeListParser.ParseEdges(textReader).ToList();
int vertexCount = edges.Count == 0 ? 0 : edges.Select(e => Math.Max(e.Tail, e.Head)).Max() + 1;
string description = $"{{{nameof(testCase)}: {testCase}}}";
GraphDefinitionParameter parameter = new(vertexCount, edges, description);
yield return(new object[] { parameter });
}
for (int i = 1; i < 7; ++i)
{
double power = 0.5 * i;
int vertexCount = (int)Math.Ceiling(Math.Pow(10.0, power));
foreach (double densityPower in s_densityPowers)
{
List <Endpoints> edges = new();
GraphHelpers.GenerateEdges(vertexCount, densityPower, edges);
string description =
$"{{{nameof(vertexCount)}: {vertexCount.ToString(F)}, {nameof(densityPower)}: {densityPower.ToString(F)}}}";
GraphDefinitionParameter parameter = new(vertexCount, edges, description);
yield return(new object[] { parameter });
}
}
}
public IEnumerator <object[]> GetEnumerator()
{
for (int i = LowerBound; i < UpperBound; ++i)
{
string testCase = i.ToString("D2", CultureInfo.InvariantCulture);
TGraphBuilder builder = CreateGraphBuilder(0);
using (TextReader textReader = IndexedGraphs.GetTextReader(testCase))
{
if (textReader == TextReader.Null)
{
continue;
}
IEnumerable <Endpoints> edges = IndexedEdgeListParser.ParseEdges(textReader);
foreach (Endpoints edge in edges)
{
builder.TryAdd(edge.Tail, edge.Head, out _);
}
}
TGraph graph = builder.ToGraph();
string description = $"{{{nameof(testCase)}: {testCase}}}";
var graphParameter = GraphParameter.Create(graph, description);
yield return(new object[] { graphParameter });
}
{
const int vertexCount = 1;
const double densityPower = 1.0;
TGraphBuilder builder = CreateGraphBuilder(1);
GraphHelpers.PopulateIncidenceGraphBuilder <TGraph, TEdge, TEdges, TGraphBuilder>(
builder, vertexCount, densityPower);
TGraph graph = builder.ToGraph();
string description =
$"{{{nameof(vertexCount)}: {vertexCount.ToString(F)}, {nameof(densityPower)}: {densityPower.ToString(F)}}}";
var graphParameter = GraphParameter.Create(graph, description);
yield return(new object[] { graphParameter });
}
for (int i = 1; i < 7; ++i)
{
double power = 0.5 * i;
int vertexCount = (int)Math.Ceiling(Math.Pow(10.0, power));
foreach (double densityPower in GraphHelpers.DensityPowers)
{
TGraphBuilder builder = CreateGraphBuilder(1);
GraphHelpers.PopulateIncidenceGraphBuilder <TGraph, TEdge, TEdges, TGraphBuilder>(
builder, vertexCount, densityPower);
TGraph graph = builder.ToGraph();
string description =
$"{{{nameof(vertexCount)}: {vertexCount.ToString(F)}, {nameof(densityPower)}: {densityPower.ToString(F)}}}";
var graphParameter = GraphParameter.Create(graph, description);
yield return(new object[] { graphParameter });
}
}
}