using System;

using System.Linq;

namespace NumSharp.Core

{

public partial class matrix: NDArray

{

public matrix(NDArray data, Type dtype = null)

{

this.Storage = data.Storage;

}

public matrix(string matrixString, Type dtype = null)

{

string[][] splitted = null;

dtype = (dtype == null) ? np.float64 : dtype;

if (matrixString.Contains(","))

{

splitted = matrixString.Split(';')

.Select(x => x.Split(',') )

.ToArray();

}

else

{

splitted = matrixString.Split(';')

.Select(x => x.Split(' ') )

.ToArray();

}

int dim0 = splitted.Length;

int dim1 = splitted[0].Length;

var shape = new Shape( new int[] { dim0, dim1 });

this.Storage.Allocate(dtype,shape,1);

switch (this.dtype.Name)

{

case "Double": StringToDoubleMatrix(splitted); break;

case "Float": ; break;

}

}

/// <summary>

/// Convert a string to Double[,] and store

/// in Data field of Matrix object

/// </summary>

/// <param name="matrix"></param>

protected void StringToDoubleMatrix(string[][] matrix)

{

for (int idx = 0; idx< matrix.Length;idx++)

{

for (int jdx = 0; jdx < matrix[0].Length;jdx++)

{

this[idx,jdx] = Double.Parse(matrix[idx][jdx]);

}

}

}

public override string ToString()

{

string returnValue = "matrix([[";

int dim0 = shape[0];

int dim1 = shape[1];

for (int idx = 0; idx < (dim0-1);idx++)

{

for (int jdx = 0;jdx < (dim1-1);jdx++)

{

returnValue += (this[idx,jdx] + ", ");

}

returnValue += (this[idx,dim1-1] + "], \n [");

}

for (int jdx = 0; jdx < (dim1-1);jdx++)

{

returnValue += (this[dim0-1,jdx] + ", ");

}

returnValue += (this[dim0-1,dim1-1] + "]])");

return returnValue;

}

}

}