public Matrix(IList <Vector> vectors, VectorStyles vectorStyle)
{
if (vectors.Any())
{
if (vectorStyle == VectorStyles.Column)
{
var rows = vectors[0].Dimensions;
var columns = vectors.Count;
Rows = rows;
Columns = columns;
_matrix = new double[rows][];
for (var i = 0; i < rows; i++)
{
_matrix[i] = new double[columns];
}
for (var i = 0; i < rows; i++)
{
for (var j = 0; j < columns; j++)
{
_matrix[i][j] = vectors[j].GetValueOfDimension(i);
}
}
}
else
{
var rows = vectors.Count;
var columns = vectors[0].Dimensions;
Columns = columns;
Rows = rows;
_matrix = new double[rows][];
for (var i = 0; i < rows; i++)
{
_matrix[i] = new double[columns];
}
for (var i = 0; i < rows; i++)
{
for (var j = 0; j < columns; j++)
{
_matrix[i][j] = vectors[i].GetValueOfDimension(j);
}
}
}
}
else
{
throw new Exception("No vectors to make a matrix!");
}
}
public static Vector4d Parse(string s,
IFormatProvider provider = null,
VectorStyles vstyle = VectorStyles.All,
NumberStyles style = NumberStyles.Float | NumberStyles.AllowThousands)
{
Vector4d result;
if (!TryParse(s, out result, provider, vstyle, style))
{
throw new Exception();
}
return(result);
}
public static bool TryParse(string s,
out Vector4d result,
IFormatProvider provider = null,
VectorStyles vstyle = VectorStyles.All,
NumberStyles style = NumberStyles.Float | NumberStyles.AllowThousands)
{
Contract.Requires(s != null);
double[] ret;
if (!VectorUtils.TryParse(s, 4, out ret, double.TryParse, provider, vstyle, style))
{
result = Zero;
return(false);
}
result = new Vector4d(ret[0], ret[1], ret[2], ret[3]);
return(true);
}
public static bool TryParse(string s,
out Point2i result,
IFormatProvider provider = null,
VectorStyles vstyle = VectorStyles.All,
NumberStyles style = NumberStyles.Float | NumberStyles.AllowThousands)
{
Contract.Requires(s != null);
int[] ret;
if (!VectorUtils.TryParse(s, 2, out ret, int.TryParse, provider, vstyle, style))
{
result = Point2i.Zero;
return(false);
}
result = new Point2i(ret[0], ret[1]);
return(true);
}
/// <summary>
/// Intenta parsear la cadena de texto segun los estilos indicados y devuelve un array de valores.
/// </summary>
/// <param name="provider">Proveedor de formato.</param>
/// <param name="s">Cadena de texto a parsear.</param>
/// <param name="count">Numero de elementos tienen que leer. Si es -1, se leen todos.</param>
/// <param name="vstyle">Estilo de vectores.</param>
/// <param name="style">Estilo de numeros.</param>
/// <param name="tryParse">Funcion de parseo.</param>
/// <param name="result">Array de flotantes.</param>
/// <returns>Indica si lo ha parseado correctamente.</returns>
public static bool TryParse <T>(string s, int count,
out T[] result,
TryParse <T> tryParse,
IFormatProvider provider = null,
VectorStyles vstyle = VectorStyles.All,
NumberStyles style = NumberStyles.Float | NumberStyles.AllowThousands)
{
try
{
// Se obtiene la configuracion.
VectorFormatInfo vfi = null;
if (provider != null)
{
vfi = provider.GetFormat <VectorFormatInfo>();
}
if (vfi == null)
{
vfi = VectorFormatInfo.CurrentInfo;
}
bool usarPrincipioYFin = ((vstyle ^ VectorStyles.BegEnd) != 0) && vfi.HasBegEnd;
bool usarSeparador = ((vstyle ^ VectorStyles.Sep) != 0) && vfi.HasSep;
// Se parsea la cadena utilizando expresiones regulares.
const RegexOptions opciones = RegexOptions.ExplicitCapture
| RegexOptions.IgnoreCase
| RegexOptions.IgnorePatternWhitespace
| RegexOptions.Multiline
| RegexOptions.Compiled;
string s2;
if (usarPrincipioYFin)
{
// Se busca el inicio y fin.
string patron1 = string.Format(provider,
@"^\s*(?:{0}\s*)?(?<interior>[^{0}{1}]*)\s*(?:{1}\s*)?$",
Regex.Escape(vfi.Beg),
Regex.Escape(vfi.End));
Regex rx1 = new Regex(patron1, opciones);
Match m1 = rx1.Match(s);
if (!m1.Success)
{
result = null;
return(false);
}
s2 = m1.Groups["interior"].Value;
}
else
{
// Se busca el inicio y fin.
string patron1 = string.Format(provider, @"^\s*(?<interior>.*)\s*$");
Regex rx1 = new Regex(patron1, opciones);
Match m1 = rx1.Match(s);
if (!m1.Success)
{
result = null;
return(false);
}
s2 = m1.Groups["interior"].Value;
}
string[] ss;
if (usarSeparador)
{
// Se buscan los separadores.
string patron2 = string.Format(provider, @"\s*{0}\s*",
Regex.Escape(vfi.Sep));
Regex rx2 = new Regex(patron2, opciones);
ss = rx2.Split(s2);
if (ss.Length != 2)
{
result = null;
return(false);
}
}
else
{
// Se buscan los separadores.
string patron2 = string.Format(provider, @"\s+");
Regex rx2 = new Regex(patron2, opciones);
ss = rx2.Split(s2);
if (ss.Length != 2)
{
result = null;
return(false);
}
}
if (count > 0 && ss.Length != count)
{
result = null;
return(false);
}
T[] ret = new T[ss.Length];
for (int i = 0; i < ss.Length; i++)
{
if (!tryParse(ss[i], style, provider, out ret[i]))
{
result = null;
return(false);
}
}
result = ret;
return(true);
}
catch (Exception)
{
result = null;
return(false);
}
}
