public static void Display(int[,] matrix)
{
for (int i = 0; i < matrix.Rows(); i++)
{
for (int j = 0; j < matrix.Cols(); j++)
{
Console.Write("{0,4}", matrix[i, j]);
}
Console.WriteLine();
}
}
private static void Calculate(int index, int[,] matrix1, int[,] matrix2, int[,] resultMatrix)
{
int[] i2d = ConvertTo2dIndex(index, resultMatrix.Cols());
int result = 0;
for (int i = 0; i < matrix1.Cols(); i++)
{
result += matrix1[i2d[0], i] * matrix2[i, i2d[1]];
}
resultMatrix[i2d[0], i2d[1]] = result;
}
public static int[,] Multiply(int[,] matrix1, int[,] matrix2)
{
if (matrix1.Cols() != matrix2.Rows())
{
throw new InvalidOperationException("Error");
}
int[,] result = new int[matrix1.Rows(), matrix2.Cols()];
Parallel.For(0, result.Length, (index) => { Calculate(index, matrix1, matrix2, result); });
return(result);
}
