addScaled method
Add arg
scaled by factor
to this.
Implementation
void addScaled(Vector4 arg, double factor) {
final argStorage = arg._v4storage;
_v4storage[3] += argStorage[3] * factor;
_v4storage[2] += argStorage[2] * factor;
_v4storage[1] += argStorage[1] * factor;
_v4storage[0] += argStorage[0] * factor;
}