//-------------------------------------------------------------------------
/// <summary>
/// Wraps a matrix.
/// </summary>
/// <param name="x"> an OG 2-D matrix of doubles </param>
/// <returns> a Commons matrix </returns>
public static RealMatrix wrap(DoubleMatrix x)
{
ArgChecker.notNull(x, "x");
return(new Array2DRowRealMatrix(x.toArrayUnsafe()));
}