Exemplo n.º 1
0
        private double GetTupleProbabilityKjcClass(BitArray tuple)
        {
            double   Kjc            = 0;
            BitArray distortionVect = new BitArray(_truthTable.InputNumberOfDigits, false); // 00...0

            distortionVect[0] = true;                                                       // 00..01
            do
            {
                double tempProbability = 1.0;
                // find the probability of the operandIt tuple with distortionVect distortion
                for (int i = 0; i < _truthTable.InputNumberOfDigits; i++)
                {
                    int bitValue = Convert.ToInt32(tuple[i]); // value of i-th: zero or one
                    if (distortionVect[i])
                    {
                        tempProbability *= _inputBitsDistortionsProbabilities.AutoCorrectionValueProbability[bitValue][i]
                                           * _inputBitsDistortionsProbabilities.ProbabilityZeroAndOne(bitValue, i);
                    }
                    else
                    {
                        tempProbability *= _truthTable.CorrectValueProbability[i]
                                           * _inputBitsDistortionsProbabilities.ProbabilityZeroAndOne(bitValue, i);
                    }
                }
                Kjc += tempProbability;
            } while (BooleanFuntionWithInputDistortion.IncrementOperand(distortionVect));
            return(Kjc);
        }
Exemplo n.º 2
0
        private void CalcF2ProbabilitiesGxyNew()
        {
            if (null != _probCalcF1)
            {
                return;
            }
            int resultsCount = 1 << _f2.OutputNumberOfDigits;

            Gprobabilites[] boolFunc2Gp     = new Gprobabilites[resultsCount];
            double[]        f2ProbalityZero = new double[_f2.InputNumberOfDigits];

            for (int i = 0; i < f2ProbalityZero.Length; i++)
            {
                f2ProbalityZero[i] = _inputDistortionProb.ZeroProbability[i + _f1.InputNumberOfDigits - _f2.OutputNumberOfDigits];
            }

            var f2Calc = new ProbabilitiesGxyCalc(_f2, f2ProbalityZero);

            double[] probabilityZeroF1 = new double[_f1.InputNumberOfDigits];
            // copy input zero probability for function f1 in range [1,..,t]
            for (int i = 0; i < _f1.InputNumberOfDigits - _f2.OutputNumberOfDigits; i++)
            {
                probabilityZeroF1[i] = _inputDistortionProb.ZeroProbability[i];
            }
            for (int i = 0; i < _f2.OutputNumberOfDigits; i++)
            {
                probabilityZeroF1[i + _f1.InputNumberOfDigits - _f2.OutputNumberOfDigits] = 0.0;
            }
            // create Gprobabilities for a separate bit of f2 function result
            const int BinaryDigitState = 2;

            Gprobabilites[][] digitSeparateProb = new Gprobabilites[BinaryDigitState][];
            for (int i = 0; i < BinaryDigitState; i++)
            {
                digitSeparateProb[i] = new Gprobabilites[f2Calc.OutputNumberOfDigits()];
            }
            // calc results probabilities
            int      indexBoolFunc2Gp = 0;
            BitArray resultVect       = new BitArray(_f2.OutputNumberOfDigits, false); // 00...0

            do
            {
                boolFunc2Gp[indexBoolFunc2Gp] = f2Calc.GetGprobabilitesResult(resultVect);
                // calc G prob of separate bits of result
                for (int i = 0; i < digitSeparateProb[0].Length; i++)
                {
                    int digit = resultVect[i] ? 1 : 0;
                    digitSeparateProb[digit][i].G0   = boolFunc2Gp[indexBoolFunc2Gp].G0;
                    digitSeparateProb[digit][i].Gc  += boolFunc2Gp[indexBoolFunc2Gp].Gc;
                    digitSeparateProb[digit][i].Gce += boolFunc2Gp[indexBoolFunc2Gp].Gce;
                    digitSeparateProb[digit][i].Gee += boolFunc2Gp[indexBoolFunc2Gp].Gee;
                }
                ++indexBoolFunc2Gp;
            } while (BooleanFuntionWithInputDistortion.IncrementOperand(resultVect));
            var prodClasses = new ProductClasses(_inputDistortionProb, digitSeparateProb, _f1.InputNumberOfDigits);

            _probCalcF1 = new ProbabilitiesGxyCalc(_f1, prodClasses);
        }
Exemplo n.º 3
0
        // Get probability of correct (0||1) result == Result with distortion
        public double GetProbabilityGcResult(BitArray result)
        {
            double   pGc       = 0.0;
            BitArray operandIt = new BitArray(_truthTable.InputNumberOfDigits, false); // the first operand in tTable 00...0

            do
            {
                if (_truthTable.GetResult(operandIt).Eq(result))
                {
                    pGc += GetTupleProbabilityKjcClass(operandIt);
                }
            } while (BooleanFuntionWithInputDistortion.IncrementOperand(operandIt));
            return(pGc);
        }
Exemplo n.º 4
0
        // Calculationg of E1 and E2:
        // probability of autocorrection and error after distortion in the corresponding tuples
        // intermediate calculation
        // TODO: rename method
        private void CalcE1E2(BitArray result, ref double Gce, ref double Gee)
        {
            double   E1 = 0.0, E2 = 0.0;
            BitArray operandIt = new BitArray(_truthTable.InputNumberOfDigits, false); // the first operand in tTable 00...0

            do
            {
                if (_truthTable.GetResult(operandIt).Eq(result))
                {
                    GetTupleProbabilityKjeClass(result, ref E1, ref E2, operandIt);
                }
            } while (BooleanFuntionWithInputDistortion.IncrementOperand(operandIt));
            Gce = E1;
            Gee = E2;
        }
Exemplo n.º 5
0
        private void button1_Click(object sender, EventArgs e)
        {
            int  resultsCount = _pCalc.OutputNumberOfDigits();
            uint count        = 1u << resultsCount;

            double   G0 = 0, Gc = 0, Ge = 0;
            BitArray result = new BitArray(resultsCount, false);

            for (int i = 0; i < result.Count; i++)
            {
                result[i] = false;
            }
            double timeLeft = .0;

            do
            {
                TimeSpan begin = Process.GetCurrentProcess().TotalProcessorTime;
                var      prob  = _pCalc.GetGprobabilitesResult(result);
                TimeSpan end   = Process.GetCurrentProcess().TotalProcessorTime;
                timeLeft += (end - begin).TotalMilliseconds;
                dataGridView1.Rows.Add(ConvertNumberToBinary(result), prob.G0, prob.Gc + prob.Gce,
                                       prob.Gee);
                Ge += prob.Gee;
                Gc += prob.Gc + prob.Gce;
                G0  = prob.G0;
            } while(BooleanFuntionWithInputDistortion.IncrementOperand(result));
            labelTime.Text = timeLeft + " ms.";
            textBoxG0.Text = G0.ToString();
            textBoxGc.Text = Gc.ToString();
            textBoxGe.Text = Ge.ToString();
            foreach (DataGridViewRow row in dataGridView1.Rows)
            {
                if (row.IsNewRow)
                {
                    continue;
                }
                row.HeaderCell.Value = String.Format("{0}", row.Index + 1);
            }
        }
Exemplo n.º 6
0
        private void CalcF2ProbabilitiesGxy()
        {
            if (null != _probCalcF1)
            {
                return;
            }
            int resultsCount = 1 << _f2.OutputNumberOfDigits;

            Gprobabilites[] boolFunc2Gp     = new Gprobabilites[resultsCount];
            double[]        f2ProbalityZero = new double[_f2.InputNumberOfDigits];

            for (int i = 0; i < f2ProbalityZero.Length; i++)
            {
                f2ProbalityZero[i] = _inputDistortionProb.ZeroProbability[i + _f1.InputNumberOfDigits - _f2.OutputNumberOfDigits];
            }

            var f2Calc = new ProbabilitiesGxyCalc(_f2, f2ProbalityZero);

            double[] probabilityZeroF1 = new double[_f1.InputNumberOfDigits];
            // copy input zero probability for function f1 in range [1,..,t]
            for (int i = 0; i < _f1.InputNumberOfDigits - _f2.OutputNumberOfDigits; i++)
            {
                probabilityZeroF1[i] = _inputDistortionProb.ZeroProbability[i];
            }
            for (int i = 0; i < _f2.OutputNumberOfDigits; i++)
            {
                probabilityZeroF1[i + _f1.InputNumberOfDigits - _f2.OutputNumberOfDigits] = 0.0;
            }
            // get zero probability
            int      indexBoolFunc2Gp = 0;
            BitArray resultVect       = new BitArray(_f2.OutputNumberOfDigits, false); // 00...0

            do
            {
                boolFunc2Gp[indexBoolFunc2Gp] = f2Calc.GetGprobabilitesResult(resultVect);

                // calc input zero probability for function f1 in range [t+1,..., t+_f2.OutputNumberOfDigits]
                for (int i = 0; i < _f2.OutputNumberOfDigits; i++)
                {
                    if (!resultVect[i]) // if res[i] == 0
                    {
                        probabilityZeroF1[i + _f1.InputNumberOfDigits - _f2.OutputNumberOfDigits] +=
                            boolFunc2Gp[indexBoolFunc2Gp].SumCorrectionAndError();  // sum without G0
                    }
                }
                ++indexBoolFunc2Gp;
            } while (BooleanFuntionWithInputDistortion.IncrementOperand(resultVect));
            // add G0
            for (int i = 0; i < _f2.OutputNumberOfDigits; i++)
            {
                probabilityZeroF1[i + _f1.InputNumberOfDigits - _f2.OutputNumberOfDigits] +=
                    boolFunc2Gp[0].G0 / _f2.Length;
            }
            // get distortion prob
            const int DistortionTypes = 3;

            double[][] distProb = new double[DistortionTypes][];
            for (int r = 0; r < distProb.Length; r++)
            {
                distProb[r] = new double[_f1.InputNumberOfDigits];
                for (int i = 0; i < _f1.InputNumberOfDigits - _f2.OutputNumberOfDigits; i++)
                {
                    distProb[r][i] = _f1.ProbabilityVectors[r + 1][i];
                }
                int indexBase = _f1.InputNumberOfDigits - _f2.OutputNumberOfDigits;
                for (int i = 0; i < _f2.OutputNumberOfDigits; i++)
                {
                    distProb[r][indexBase + i] = 0;
                }
            }
            indexBoolFunc2Gp = 0;
            resultVect       = new BitArray(_f2.OutputNumberOfDigits, false); // 00...0
            do
            {
                int indexBase = _f1.InputNumberOfDigits - _f2.OutputNumberOfDigits;
                for (int i = 0; i < resultVect.Length; i++)
                {
                    double bitProb = 0.0;
                    if (resultVect[i]) // distortionTo1
                    {
                        bitProb = 1 - probabilityZeroF1[indexBase + i];
                        distProb[1][i + indexBase] += (boolFunc2Gp[indexBoolFunc2Gp].Gc + boolFunc2Gp[indexBoolFunc2Gp].Gce);// / bitProb;
                    }
                    else // distortionTo0
                    {
                        bitProb = probabilityZeroF1[indexBase + i];
                        distProb[0][i + indexBase] += (boolFunc2Gp[indexBoolFunc2Gp].Gc + boolFunc2Gp[indexBoolFunc2Gp].Gce); // / bitProb;
                    }
                    distProb[DistortionTypes - 1][i + indexBase] += boolFunc2Gp[indexBoolFunc2Gp].Gee;                        // / (1 - bitProb);
                }
                ++indexBoolFunc2Gp;
            } while (BooleanFuntionWithInputDistortion.IncrementOperand(resultVect));
            // Set zero prob and dist prob to _f1
            _f1.DistortionToZeroProbability    = distProb[0];
            _f1.DistortionToOneProbability     = distProb[1];
            _f1.DistortionToInverseProbability = distProb[2];
            _f1.CorrectValueProbability        = null;
            double[]   correctValueProbability        = new double[_f1.InputNumberOfDigits];
            double[][] autoCorrectionValueProbability = null;
            double[][] distortedValueProbability      = null;
            AllocateDeterminedDistortionProbalilitiesVectors(ref autoCorrectionValueProbability);
            AllocateDeterminedDistortionProbalilitiesVectors(ref distortedValueProbability);


            _probCalcF1 = new ProbabilitiesGxyCalc(_f1, probabilityZeroF1);
        }