/// <summary>
/// Function for collect all information from a Sum block.
/// </summary>
/// <param name="sum"></param>
public static void SumDatas(sumBlock sum)
{
string sign1;
string sign2;
if (sum.sign1 == -1)
{
sign1 = "-";
}
else
{
sign1 = "+";
}
if (sum.sign2 == -1)
{
sign2 = "-";
}
else
{
sign2 = "+";
}
Console.WriteLine("\n####### Details of a Sum block #######");
Console.WriteLine("sum name: {0}", sum.name);
Console.WriteLine("sum graph: ");
Console.WriteLine();
Console.Write("[{0}] [{1}] --> \n\t\t --> [{2}] --> [{3}] \n[{4}] [{5}] -->\n", sign1, sum.input1, sum.name, sum.output, sign2, sum.input2);
Console.WriteLine();
}
/// <summary>
/// Search a block by name and remove it
/// Output parameter is bool, which is tell you the function is suceeded.
/// </summary>
/// <param name="name"></param>
public static bool RemoveBlockFromList(string name)
{
bool found = false;
tfBlock tf = new tfBlock();
if (SearchTf_byName(name, out tf))
{
LinkedListNode <tfBlock> mark = lists.tflist.Find(tf);
lists.tflist.Remove(mark);
return(true);
}
sumBlock Sum = new sumBlock();
if (SearchSum_byName(name, out Sum))
{
LinkedListNode <sumBlock> mark = lists.sumlist.Find(Sum);
lists.sumlist.Remove(mark);
return(true);
}
nodeBlock Node = new nodeBlock();
if (SearchNode_byName(name, out Node))
{
LinkedListNode <nodeBlock> mark = lists.nodelist.Find(Node);
lists.nodelist.Remove(mark);
return(true);
}
else
{
return(false);
}
}
public static void Change_Sum(sumBlock old_sum, sumBlock new_sum)
{
LinkedListNode <sumBlock> mark = lists.sumlist.Find(old_sum);
lists.sumlist.AddAfter(mark, new_sum);
lists.sumlist.Remove(mark);
}
public static void swapper(tfBlock old_tf, sumBlock old_sum)
{
tfBlock new_tf = old_tf;
new_tf.input = old_sum.name;
new_tf.output = old_sum.output;
//az eredeti tf cserélése az eloltra
blockmanager.Change_Tf(old_tf, new_tf);
//az inverz, párhuzamos tf hozzáadása
tfBlock inv_tf = inverseTf(old_tf, true);
inv_tf.name = blockmanager.NameCounter(old_tf.name, Blocktypes.tf);
lists.tflist.AddLast(inv_tf);
//eltolt sum létrehozása és a régi törlése a listából
blockmanager.RemoveBlockFromList(old_sum.name, Blocktypes.sum);
new Sum(old_sum.name, old_sum.sign1, old_tf.input, old_sum.sign2, inv_tf.name, new_tf.name);
//in- és outputokra kötött blokkok megfelelő PIN-jeinek átírása
blockmanager.InputChange(old_tf.input, old_sum.name, old_tf.name);
blockmanager.InputChange(old_sum.input2, inv_tf.name, old_sum.name);
blockmanager.OutputChange(old_sum.output, new_tf.name, old_sum.name);
//ellenőrzés
Check.Consistency_CheckAndPause();
}
public static bool Scanning_Parallel(out tfBlock tf1, out tfBlock tf2, out nodeBlock node, out sumBlock sum)
{
tfBlock TempTf = tf1 = tf2 = new tfBlock();
node = new nodeBlock();
sum = new sumBlock();
foreach (tfBlock element in lists.tflist)
{
if ((element.input == TempTf.input) && (element.output == TempTf.output))
{
tf1 = element;
tf2 = TempTf;
if (blockmanager.SearchSum_byName(tf1.output, out sum))
{
if (blockmanager.SearchNode_byName(tf1.input, out node))
{
Console.WriteLine("\tFound a parallel connection: ({0}) --> ({1}) , ({2}) --> ({3})", node.name, tf1.name, tf2.name, sum.name);
return(true);
}
}
}
TempTf = element;
}
return(false);
}
public static void swapper(sumBlock old_sum, tfBlock old_tf)
{
tfBlock new_tf;
new_tf = old_tf;
new_tf.input = old_sum.input1;
new_tf.output = old_sum.name;
//az eredeti tf lecserélése az eltoltra
blockmanager.Change_Tf(old_tf, new_tf);
string ParallelTfName = blockmanager.NameCounter(old_tf.name, Blocktypes.tf);
//a párhuzamos, elolt tf létrehozása
new TransferFunction(ParallelTfName, old_tf.num, old_tf.den, old_sum.input2, old_sum.name);
sumBlock new_sum;
new_sum.name = old_sum.name;
new_sum.input1 = new_tf.name;
new_sum.sign1 = old_sum.sign1;
new_sum.input2 = ParallelTfName;
new_sum.sign2 = old_sum.sign2;
new_sum.output = old_tf.output;
//az eredeti sum lecserélése az eltoltra
blockmanager.Change_Sum(old_sum, new_sum);
//in- és outputokra kötött blokkok megfelelő PIN-jeinek átírása
blockmanager.InputChange(old_sum.input1, new_tf.name, old_sum.name);
blockmanager.InputChange(old_sum.input2, ParallelTfName, old_sum.name);
blockmanager.OutputChange(old_tf.output, new_sum.name, old_tf.name);
//ellenőrzés, hogy minden rendben van-e
Check.Consistency_CheckAndPause();
}
public static void swapper(sumBlock sum1, sumBlock sum2)
{
sumBlock new_sum1, new_sum2;
new_sum1.sign1 = sum1.sign1;
new_sum1.input1 = sum1.input1;
new_sum1.sign2 = sum2.sign2;
new_sum1.input2 = sum2.input2;
new_sum1.name = sum2.name;
new_sum1.output = sum1.name;
new_sum2.sign1 = 1;
new_sum2.input1 = new_sum1.name;
new_sum2.sign2 = sum1.sign2;
new_sum2.input2 = sum1.input2;
new_sum2.name = sum1.name;
new_sum2.output = sum2.output;
blockmanager.Change_Sum(sum1, new_sum1);
blockmanager.Change_Sum(sum2, new_sum2);
blockmanager.InputChange(sum1.input1, new_sum1.name, sum1.name);
blockmanager.OutputChange(sum2.output, new_sum2.name, sum2.name);
Check.Consistency_CheckAndPause();
}
/// <summary>
/// This function is useful for creating a new element inside the system.
/// \nSearch the block, which is on the new block input, and change its output pin and return its name
/// </summary>
/// <param name="old_InputPin"></param>
/// <param name="new_BlockName"></param>
/// <param name="old_inputBlockName"></param>
/// <returns></returns>
public static string InputChange(string old_InputPin, string new_BlockName, string old_inputBlockName)
{
string newInputPin = "";
tfBlock TempTf = new tfBlock();
sumBlock TempSum = new sumBlock();
nodeBlock TempNode = new nodeBlock();
if (String.Equals(old_InputPin, "start", StringComparison.OrdinalIgnoreCase))
{
return("start");
}
if (SearchTf_byName(old_InputPin, out TempTf))
{
LinkedListNode <tfBlock> mark = lists.tflist.Find(TempTf);
TempTf.output = new_BlockName;
lists.tflist.AddAfter(mark, TempTf);
lists.tflist.Remove(mark);
return(TempTf.name);
}
if (SearchSum_byName(old_InputPin, out TempSum))
{
LinkedListNode <sumBlock> mark = lists.sumlist.Find(TempSum);
TempSum.output = new_BlockName;
lists.sumlist.AddAfter(mark, TempSum);
lists.sumlist.Remove(mark);
return(TempSum.name);
}
if (SearchNode_byName(old_InputPin, out TempNode))
{
LinkedListNode <nodeBlock> mark = lists.nodelist.Find(TempNode);
if (TempNode.output1 == old_inputBlockName)
{
TempNode.output1 = new_BlockName;
}
else
{
TempNode.output2 = new_BlockName;
}
lists.nodelist.AddAfter(mark, TempNode);
lists.nodelist.Remove(mark);
return(TempNode.name);
}
else
{
Console.WriteLine("[ERR]: could not found block with this name: {0}", old_InputPin);
Console.ReadKey();
}
return(newInputPin);
}
/// <summary>
/// Search Sum Block by name
/// The output paramter is bool, becaouse it is make simple the work with this.
/// The founded parameter is defined in parameters field.
/// </summary>
/// <param name="name"></param>
/// <param name="sum"></param>
/// <returns></returns>
public static bool SearchSum_byName(string name, out sumBlock sum)
{
bool result = false;
new Sum(1, "", 1, "", "", out sum);
foreach (sumBlock element in lists.sumlist)
{
if (element.name == name)
{
result = true;
sum = element;
break;
}
}
return(result);
}
/// <summary>
/// Implementation of feedback connection reducing
/// </summary>
/// <param name="tf1"></param>
/// <param name="tf2"></param>
/// <param name="sum"></param>
/// <param name="node"></param>
public static void feedback(tfBlock tf1, tfBlock tf2, sumBlock sum, nodeBlock node)
{
tfBlock tf;
if (sum.sign2 < 0)
{
tf = parallel(identicalTf(), series(tf1, tf2, true), SIGN.plus, SIGN.plus);
}
else
{
tf = parallel(identicalTf(), series(tf1, tf2, true), SIGN.plus, SIGN.minus);
}
tf = series(tf1, inverseTf(tf, true), true);
tf.name = blockmanager.NameCounter("feedback", Blocktypes.tf);
tf.input = blockmanager.InputChange(sum.input1, tf.name, sum.name);
//tf.output:
blockmanager.SearchTf_byName(node.output1, out TempTf); //előfordulhat, hogy a node outpu1-én van a visszacsatolás ága!
if (TempTf.name == tf2.name) //ha az első outputon van a visszacsatolási ág
{
tf.output = blockmanager.OutputChange(node.output2, tf.name, node.name);
}
else //egyébként
{
tf.output = blockmanager.OutputChange(node.output1, tf.name, node.name);
}
blockmanager.Change_Tf(tf1, tf);
blockmanager.RemoveBlockFromList(tf2.name, Blocktypes.tf);
blockmanager.RemoveBlockFromList(sum.name, Blocktypes.sum);
blockmanager.RemoveBlockFromList(node.name, Blocktypes.node);
Console.WriteLine("\tSimplified a feedback connection: ({0})", tf.name);
ConsistencyResult result = Check.consistency();
if (!result.success)
{
Check.ReadConsistencyResult(result);
Console.ReadKey();
}
}
public static void Swapper_Sum(sumBlock sum1, sumBlock sum2)
{
sumBlock new_sum1, new_sum2;
new_sum1.sign1 = sum1.sign1;
new_sum1.input1 = sum1.input1;
new_sum1.sign2 = sum2.sign2;
new_sum1.input2 = sum2.input2;
new_sum1.name = sum2.name;
new_sum1.output = sum1.name;
new_sum2.sign1 = 1;
new_sum2.input1 = new_sum1.name;
new_sum2.sign2 = sum1.sign2;
new_sum2.input2 = sum1.input2;
new_sum2.name = sum1.name;
new_sum2.output = sum2.output;
blockmanager.Change_Sum(sum1, new_sum1);
blockmanager.Change_Sum(sum2, new_sum2);
}
/// <summary>
/// This function will be reduce a parallel connection.
/// </summary>
/// <param name="node"></param>
/// <param name="tf1"></param>
/// <param name="tf2"></param>
/// <param name="sum"></param>
public static void parallel(tfBlock tf1, tfBlock tf2, nodeBlock node, sumBlock sum)
{
tfBlock newtf = new tfBlock();
newtf.num = MathExtended.PolySum(MathExtended.convolution(tf1.num, tf2.den), MathExtended.convolution(tf2.num, tf1.den), sum.sign1, sum.sign2);
newtf.den = MathExtended.convolution(tf1.den, tf2.den);
newtf.name = blockmanager.NameCounter("parallel", Blocktypes.tf);
newtf.input = blockmanager.InputChange(node.input, newtf.name, node.name);
newtf.output = blockmanager.OutputChange(sum.output, newtf.name, sum.name);
blockmanager.Change_Tf(tf1, newtf);
blockmanager.RemoveBlockFromList(tf2.name, Blocktypes.tf);
blockmanager.RemoveBlockFromList(node.name, Blocktypes.node);
blockmanager.RemoveBlockFromList(sum.name, Blocktypes.sum);
Console.WriteLine("\tSimplified a parallel connection: ({0})", newtf.name);
ConsistencyResult result;
result = Check.consistency();
if (!result.success)
{
Check.ReadConsistencyResult(result);
}
}
public static bool Scanning_Feedback(out tfBlock tf1, out tfBlock tf2, out nodeBlock node, out sumBlock sum)
{
tfBlock TempTf = tf1 = tf2 = new tfBlock();
node = new nodeBlock();
sum = new sumBlock();
foreach (tfBlock element in lists.tflist)
{
if ((element.input == TempTf.output) && (element.output == TempTf.input))
{
if (blockmanager.SearchSum_byName(element.input, out sum))
{
tf1 = element;
tf2 = TempTf;
//a folyamatos konzisztencia check-ek miatt nem kell külön megvizsgálni, hogy ez a node az a node-e, mert annak kell lennie.
if (blockmanager.SearchNode_byName(tf1.output, out node))
{
Console.WriteLine("\tFound a feedback connection: ({0}) --> ({1}) --> ({2}) --> ({3})", sum.name, tf1.name, node.name, tf2.name);
return(true);
}
}
if (blockmanager.SearchSum_byName(TempTf.input, out sum))
{
tf1 = TempTf;
tf2 = element;
if (blockmanager.SearchNode_byName(tf1.output, out node))
{
Console.WriteLine("\tFound a feedback connection: ({0}) --> ({1}) --> ({2}) --> ({3})", sum.name, tf1.name, node.name, tf2.name);
return(true);
}
}
}
TempTf = element;
}
return(false);
}
/// <summary>
/// Create a new virtual sum element. This is necessary for some applications
/// If the sign field is '1', the sum's sign will be '+', otherwise it will be '-'
/// </summary>
/// <param name="input1"></param>
/// <param name="input2"></param>
/// <param name="output"></param>
/// <param name="sum"></param>
public Sum(int sign1, string input1, int sign2, string input2, string output, out sumBlock sum)
{
sum.name = "";
sum.input1 = input1;
sum.input2 = input2;
if (sign1 == 1 || sign1 == -1)
{
sum.sign1 = sign1;
}
else
{
sum.sign1 = 1;
}
if (sign2 == 1 || sign2 == -1)
{
sum.sign2 = sign2;
}
else
{
sum.sign2 = 1;
}
sum.output = output;
}