31     y_ = vec.y_;  in Vec3()
41     out.x_ = x_ * rhs.f_[0] + y_ * rhs.f_[1] + z_ * rhs.f_[2] + w_ * rhs.f_[3];  in operator *()
42     out.y_ = x_ * rhs.f_[4] + y_ * rhs.f_[5] + z_ * rhs.f_[6] + w_ * rhs.f_[7];  in operator *()
43     out.z_ = x_ * rhs.f_[8] + y_ * rhs.f_[9] + z_ * rhs.f_[10] + w_ * rhs.f_[11];  in operator *()
44     out.w_ = x_ * rhs.f_[12] + y_ * rhs.f_[13] + z_ * rhs.f_[14] + w_ * rhs.f_[15];  in operator *()
108     ret.x_ = rhs.x_ * f_[0] + rhs.y_ * f_[4] + rhs.z_ * f_[8] + rhs.w_ * f_[12];  in operator *()
109     ret.y_ = rhs.x_ * f_[1] + rhs.y_ * f_[5] + rhs.z_ * f_[9] + rhs.w_ * f_[13];  in operator *()
110     ret.z_ = rhs.x_ * f_[2] + rhs.y_ * f_[6] + rhs.z_ * f_[10] + rhs.w_ * f_[14];  in operator *()
111     ret.w_ = rhs.x_ * f_[3] + rhs.y_ * f_[7] + rhs.z_ * f_[11] + rhs.w_ * f_[15];  in operator *()
304     ret.f_[13] = vec.y_;  in Translation()
348     vec_forward.y_ = vec_eye.y_ - vec_at.y_;  in LookAt()
358     result.f_[4] = vec_side.y_;  in LookAt()
362     result.f_[5] = vec_up_norm.y_;  in LookAt()
366     result.f_[6] = vec_forward.y_;  in LookAt()
374     result.PostTranslate( -vec_eye.x_, -vec_eye.y_, -vec_eye.z_ );  in LookAt()