private Matrix FromVM(MatrixVM matrix)
        {
            uint   rows = (uint)matrix.Mask.GetLength(0);
            uint   cols = (uint)matrix.Mask.GetLength(0);
            Matrix m    = new Matrix(rows, cols);

            for (uint row = 0; row < rows; row++)
            {
                for (uint col = 0; col < cols; col++)
                {
                    m[row, col] = matrix.Mask[row, col].Value;
                }
            }
            return(m);
        }
Exemple #2
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 public bool IsMatricesConsistent(MatrixVM matrix1, MatrixVM matrix2)
 {
     return(matrix1.Rows == matrix2.Rows && matrix1.Columns == matrix2.Columns);
 }
Exemple #3
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        public object Calculate(string str, MatrixVM[] matrices)
        {
            List <string>  rpn   = ConvertToRPN(str);
            Stack <object> value = new Stack <object>();
            double         i;
            double         j;

            foreach (string elem in rpn)
            {
                if (elem.Length == 1 && Priorities.ContainsKey((Operator)elem[0]))
                {
                    object secondOperand = value.Pop();
                    object firstOperand  = value.Pop();
                    switch ((Operator)elem[0])
                    {
                    case Operator.Plus:
                        if (firstOperand is string && secondOperand is string && Double.TryParse((string)firstOperand, out i) && Double.TryParse((string)secondOperand, out j))
                        {
                            value.Push((i + j).ToString());
                        }
                        else if (firstOperand is MatrixVM && Double.TryParse((string)secondOperand, out i))
                        {
                            value.Push((MatrixVM)firstOperand + i);
                        }
                        else if (firstOperand is MatrixVM && secondOperand is MatrixVM && IsMatricesConsistent((MatrixVM)firstOperand, (MatrixVM)secondOperand))
                        {
                            value.Push((MatrixVM)firstOperand + (MatrixVM)secondOperand);
                        }
                        break;

                    case Operator.Minus:
                        if (firstOperand is string && secondOperand is string && Double.TryParse((string)firstOperand, out i) && Double.TryParse((string)secondOperand, out j))
                        {
                            value.Push((i - j).ToString());
                        }
                        else if (firstOperand is MatrixVM && Double.TryParse((string)secondOperand, out i))
                        {
                            value.Push((MatrixVM)firstOperand - i);
                        }
                        else if (firstOperand is MatrixVM && secondOperand is MatrixVM && IsMatricesConsistent((MatrixVM)firstOperand, (MatrixVM)secondOperand))
                        {
                            value.Push((MatrixVM)firstOperand - (MatrixVM)secondOperand);
                        }
                        break;

                    case Operator.Divide:
                        if (firstOperand is string && secondOperand is string && Double.TryParse((string)firstOperand, out i) && Double.TryParse((string)secondOperand, out j))
                        {
                            value.Push((i / j).ToString());
                        }
                        break;

                    case Operator.Multiply:
                        if (firstOperand is string && secondOperand is string && Double.TryParse((string)firstOperand, out i) && Double.TryParse((string)secondOperand, out j))
                        {
                            value.Push((i * j).ToString());
                        }
                        else if (firstOperand is MatrixVM && secondOperand is string && Double.TryParse((string)secondOperand, out i))
                        {
                            value.Push((MatrixVM)firstOperand * i);
                        }
                        else if (firstOperand is MatrixVM && secondOperand is MatrixVM && ((MatrixVM)firstOperand).Columns == ((MatrixVM)secondOperand).Rows || ((MatrixVM)secondOperand).Rows == ((MatrixVM)firstOperand).Columns)
                        {
                            value.Push((MatrixVM)firstOperand * (MatrixVM)secondOperand);
                        }
                        break;
                    }
                }
                else
                {
                    MatrixVM matrix = matrices.FirstOrDefault((m) => m.Name == elem);
                    if (matrix != null)
                    {
                        value.Push(matrix);
                    }
                    else
                    {
                        value.Push(elem);
                    }
                }
            }

            if (value.Count == 0)
            {
                value.Push("Нет результата");
                return(value.Pop());
            }
            else
            {
                return(value.Pop());
            }
        }