/// <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.");
}
}
/// <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.");
}
}