Assigns the column of the matrix arg
Source
void setColumn(int column, Vector4 arg) {
int entry = column * 4;
final argStorage = arg._v4storage;
_m4storage[entry + 3] = argStorage[3];
_m4storage[entry + 2] = argStorage[2];
_m4storage[entry + 1] = argStorage[1];
_m4storage[entry + 0] = argStorage[0];
}