getRow method
Gets the row
of the matrix
Implementation
Vector3 getRow(int row) {
final r = Vector3.zero();
final rStorage = r._v3storage;
rStorage[0] = _m3storage[index(row, 0)];
rStorage[1] = _m3storage[index(row, 1)];
rStorage[2] = _m3storage[index(row, 2)];
return r;
}