scaleAdjoint method

void scaleAdjoint (double scale)

Converts into Adjugate matrix and scales by scale

Implementation 

void scaleAdjoint(double scale) {
  final double temp = _m2storage[0];
  _m2storage[0] = _m2storage[3] * scale;
  _m2storage[2] = -_m2storage[2] * scale;
  _m2storage[1] = -_m2storage[1] * scale;
  _m2storage[3] = temp * scale;
}