using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ManyWorldsTheory
{
    class GFG
    {

        // rowa and cola are no of rows
        // and columns of matrix A
        // rowb and colb are no of rows
        //  and columns of matrix B
        static int cola = 3, rowa = 3;
        static int colb = 3, rowb = 3;

        // Function to computes the Kronecker
        // Product of two matrices
        public static TAlex.MathCore.LinearAlgebra.CMatrix Kroneckerproduct(TAlex.MathCore.LinearAlgebra.CMatrix A, TAlex.MathCore.LinearAlgebra.CMatrix B)
        {
            TAlex.MathCore.LinearAlgebra.CMatrix matr = new TAlex.MathCore.LinearAlgebra.CMatrix(new double[3,3]);

            // i loops till rowa
            for (int i = 0; i < rowa; i++)
            {

                // k loops till rowb
                for (int k = 0; k < rowb; k++)
                {

                    // j loops till cola
                    for (int j = 0; j < cola; j++)
                    {

                        // l loops till colb
                        for (int l = 0; l < colb; l++)
                        {
                            matr[i + l + 1, j + k + 1] =  A[i, j] *  B[k, l];
                        };

                        //Das stand normalerweise drin
                        // Each element of matrix A is
                        // multiplied by whole Matrix B
                        // resp and stored as Matrix C
                        //C[i + l + 1, j + k + 1] = A[i, j] *
                        //                          B[k, l];
                        //Console.Write(C[i + l + 1,
                        //               j + k + 1] + " ");

                        //}
                        //                    }
                        //                    //Console.WriteLine();
                        //                }
                        //            }
                        //        }
                        //    }
                        //}
                    }

                }
            }
            return new TAlex.MathCore.LinearAlgebra.CMatrix(matr);
        }
    }
}