private void SetSumToNextVertex(GraphVertexInfo info)
{
info.IsUnvisited = false;
foreach (var e in info.Vertex.Edges)
{
var nextInfo = GetVertexInfo(e.ConnectedVertex);
var sum = info.EdgesWeightSum + e.EdgeWeight;
if (sum < nextInfo.EdgesWeightSum)
{
nextInfo.EdgesWeightSum = sum;
nextInfo.PreviousVertex = info.Vertex;
}
}
}
private GraphVertexInfo FindUnvisitedVertexWithMinSum()
{
var minValue = int.MaxValue;
GraphVertexInfo minVertexInfo = null;
foreach (var i in _infos)
{
if (i.IsUnvisited && i.EdgesWeightSum < minValue)
{
minVertexInfo = i;
minValue = i.EdgesWeightSum;
}
}
return(minVertexInfo);
}