Beispiel #1
0
        /// <summary>
        /// Faz a leitura de uma matriz de valores numéricos.
        /// </summary>
        /// <param name="lines">The number of lines.</param>
        /// <param name="columns">The number of columns.</param>
        /// <param name="arrayString">O texto que representa a matriz.</param>
        /// <returns>A matriz lida.</returns>
        public ArrayMathMatrix <double> ReadArray(int lines, int columns, string arrayString)
        {
            var expressionParser   = new DoubleExpressionParser();
            var reader             = new StringReader(arrayString);
            var stringSymbolReader = new StringSymbolReader(reader, false);
            var arrayMatrixFactory = new ArrayMathMatrixFactory <double>();
            var arrayMatrixReader  = new ConfigMatrixReader <double, IMathMatrix <double>, string, string>(
                lines,
                columns);

            arrayMatrixReader.MapInternalDelimiters("left_bracket", "right_bracket");
            arrayMatrixReader.AddBlanckSymbolType("blancks");
            arrayMatrixReader.SeparatorSymbType = "comma";

            var matrix = default(IMathMatrix <double>);

            if (arrayMatrixReader.TryParseMatrix(stringSymbolReader, expressionParser, (i, j) => arrayMatrixFactory.CreateMatrix(i, j), out matrix))
            {
                return(matrix as ArrayMathMatrix <double>);
            }
            else
            {
                throw new ArgumentException("Can't read the specified matrix.");
            }
        }
Beispiel #2
0
        /// <summary>
        /// Permite fazer a leitura de uma matriz.
        /// </summary>
        /// <typeparam name="T">O tipo de elementos na matriz.</typeparam>
        /// <param name="lines">O número de linhas.</param>
        /// <param name="columns">O número de colunas.</param>
        /// <param name="matrixText">A representação textual da matriz.</param>
        /// <param name="matrixFactory">A fábrica responsável pela criação de matrizes.</param>
        /// <param name="elementParser">O leitor de elementos.</param>
        /// <param name="readNegativeNumbers">Indica se são lidos os números negativos.</param>
        /// <returns>A matriz.</returns>
        public static M ReadMatrix <T, M>(
            int lines,
            int columns,
            string matrixText,
            Func <int, int, M> matrixFactory,
            IParse <T, string, string> elementParser,
            bool readNegativeNumbers = false)
            where M : IMatrix <T>
        {
            var reader             = new StringReader(matrixText);
            var stringSymbolReader = new StringSymbolReader(reader, readNegativeNumbers);
            var arrayMatrixReader  = new ConfigMatrixReader <T, M, string, string>(
                lines,
                columns);

            arrayMatrixReader.MapInternalDelimiters("left_bracket", "right_bracket");
            arrayMatrixReader.AddBlanckSymbolType("blancks");
            arrayMatrixReader.SeparatorSymbType = "comma";

            var matrix = default(M);

            if (arrayMatrixReader.TryParseMatrix(
                    stringSymbolReader,
                    elementParser,
                    matrixFactory,
                    out matrix))
            {
                return(matrix);
            }
            else
            {
                throw new Exception("Can't read matrix.");
            }
        }