multiply method
Multiply this with arg
and store it in this.
Implementation
void multiply(Matrix2 arg) {
final double m00 = _m2storage[0];
final double m01 = _m2storage[2];
final double m10 = _m2storage[1];
final double m11 = _m2storage[3];
final Float32List argStorage = arg._m2storage;
final double n00 = argStorage[0];
final double n01 = argStorage[2];
final double n10 = argStorage[1];
final double n11 = argStorage[3];
_m2storage[0] = (m00 * n00) + (m01 * n10);
_m2storage[2] = (m00 * n01) + (m01 * n11);
_m2storage[1] = (m10 * n00) + (m11 * n10);
_m2storage[3] = (m10 * n01) + (m11 * n11);
}