public static double normF(DMatrix2 M)
{
double scale = CommonOps_DDF2.elementMaxAbs(M);
if (scale == 0.0)
{
return(0.0);
}
double a1 = M.a1 / scale, a2 = M.a2 / scale;
double sum = a1 * a1 + a2 * a2;
return(scale * Math.Sqrt(sum));
}
public static double normF(DMatrix2x2 M)
{
double scale = CommonOps_DDF2.elementMaxAbs(M);
if (scale == 0.0)
{
return(0.0);
}
double a11 = M.a11 / scale, a12 = M.a12 / scale;
double a21 = M.a21 / scale, a22 = M.a22 / scale;
double sum = 0;
sum += a11 * a11 + a12 * a12;
sum += a21 * a21 + a22 * a22;
return(scale * Math.Sqrt(sum));
}
public static void normalizeF(DMatrix2 M)
{
double val = normF(M);
CommonOps_DDF2.divide(M, val);
}