public void Or_Test(int[] bits) { var size = 12; var array1 = CreateArray(size); var expected1 = new System.Collections.BitArray(size); foreach (var bit in bits) { array1[bit] = expected1[bit] = true; } var array = array1.Not(); var expected = expected1.Not(); CollectionAssert.AreEqual(array, expected); Assert.AreEqual(expected.Count, array.Count); }
/// <summary> Parsing of the RGraph. This is the recursive method /// to perform a query. The method will recursively /// parse the RGraph thru connected nodes and visiting the /// RGraph using allowed adjacency relationship. /// /// </summary> /// <param name="traversed"> node already parsed /// </param> /// <param name="extension"> possible extension node (allowed neighbours) /// </param> /// <param name="forbiden"> node forbiden (set of node incompatible with the current solution) /// </param> private void parseRec(System.Collections.BitArray traversed, System.Collections.BitArray extension, System.Collections.BitArray forbidden) { System.Collections.BitArray newTraversed = null; System.Collections.BitArray newExtension = null; System.Collections.BitArray newForbidden = null; System.Collections.BitArray potentialNode = null; // if there is no more extension possible we // have reached a potential new solution if (isEmpty(extension)) { solution(traversed); } // carry on with each possible extension else { // calculates the set of nodes that may still // be reached at this stage (not forbiden) potentialNode = ((System.Collections.BitArray)graphBitSet.Clone()); potentialNode.And(forbidden.Not()); //UPGRADE_NOTE: In .NET BitArrays must be of the same size to allow the 'System.Collections.BitArray.Or' operation. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1083'" potentialNode.Or(traversed); // checks if we must continue the search // according to the potential node set if (mustContinue(potentialNode)) { // carry on research and update iteration count nbIteration++; // for each node in the set of possible extension (neighbours of // the current partial solution, include the node to the solution // and perse recursively the RGraph with the new context. for (int x = nextSetBit(extension, 0); x >= 0 && !stop; x = nextSetBit(extension, x + 1)) { // evaluates the new set of forbidden nodes // by including the nodes not compatible with the // newly accepted node. newForbidden = (System.Collections.BitArray)forbidden.Clone(); //UPGRADE_NOTE: In .NET BitArrays must be of the same size to allow the 'System.Collections.BitArray.Or' operation. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1083'" newForbidden.Or(((RNode)graph[x]).forbidden); // if it is the first time we are here then // traversed is empty and we initialize the set of // possible extensions to the extension of the first // accepted node in the solution. if (isEmpty(traversed)) { newExtension = (System.Collections.BitArray)(((RNode)graph[x]).extension.Clone()); } // else we simply update the set of solution by // including the neighbours of the newly accepted node else { newExtension = (System.Collections.BitArray)extension.Clone(); //UPGRADE_NOTE: In .NET BitArrays must be of the same size to allow the 'System.Collections.BitArray.Or' operation. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1083'" newExtension.Or(((RNode)graph[x]).extension); } // extension my not contain forbidden nodes newExtension.And(newForbidden.Not()); // create the new set of traversed node // (update current partial solution) // and add x to the set of forbidden node // (a node may only appear once in a solution) newTraversed = (System.Collections.BitArray)traversed.Clone(); SupportClass.BitArraySupport.Set(newTraversed, x); SupportClass.BitArraySupport.Set(forbidden, x); // parse recursively the RGraph parseRec(newTraversed, newExtension, newForbidden); } } } }
static void Main(string[] args) { #region https://youtu.be/_UtKEYYhi24 Coleccion show = new Coleccion(); System.Collections.BitArray bitArray = new System.Collections.BitArray( new byte[] { 1, 2, 4, 8, 16 });// Convertiendo byte a bit CountElement.Count(bitArray); Coleccion.Show(bitArray, 2); //// Obtenemos un bit en particular System.Console.WriteLine(bitArray.Get(3)); //// ponemos un bit en particular bitArray.Set(3, true); System.Console.WriteLine(bitArray.Get(3)); Coleccion.Show(bitArray, 2); //https://youtu.be/pGS78ttnqfY // Clonacion del BitArray System.Collections.BitArray bitArray2 = (System.Collections.BitArray)bitArray.Clone(); //// Invertir el Array, NOT bitArray2.Not(); Coleccion.Show(bitArray2, 2); // Creando otro Array System.Collections.BitArray bitArray3 = new System.Collections.BitArray(new byte[] { 5, 7, 9, 13, 15 }); Coleccion.Show(bitArray3, 2, "3°Array"); //// Hacemos Or entre Arreglos bitArray3.Or(bitArray); // El resultado se guarda en el Array que llevo //acabo la invocacion. Coleccion.Show(bitArray, pNombre: "1°Array"); Coleccion.Show(bitArray3, 3, pNombre: "Result"); System.Console.WriteLine("=|||||||||="); //// Hacemos AND entre Array Coleccion.Show(bitArray, pNombre: "1°Array"); Coleccion.Show(bitArray3, pNombre: "3°Array"); // Hacemos el AND, BitArray 3 se modifica con el resultado bitArray3.And(bitArray); Coleccion.Show(bitArray3, 3, "Result"); System.Console.WriteLine("=&&&&&&&&&&&="); //// Hamos XOR entre Array bitArray3 = new System.Collections.BitArray(new byte[] { 5, 7, 9, 13, 21 }); Coleccion.Show(bitArray, pNombre: "1°Array"); Coleccion.Show(bitArray3, pNombre: "3°Array"); // Hacemos el XOR, Array 3 se modifica con el resultado bitArray3.Xor(bitArray); Coleccion.Show(bitArray3, pNombre: "Result"); System.Console.ReadKey(); #endregion }