code: public Vector3f absolute(Vector3f dest) {
          dest.x = Math.abs(this.x);
          dest.y = Math.abs(this.y);
          dest.z = Math.abs(this.z);
          return dest;
      }
docs: /*
  (non-Javadoc)
  @see org.joml.Vector3fc#absolute(org.joml.Vector3f)