override def featureDimension()

in core/src/main/scala/com/spotify/featran/transformers/Normalizer.scala [68:81]

• 14 lines of code
• 4 McCabe index (conditional complexity)

  override def featureDimension(c: Int): Int = c
  override def featureNames(c: Int): Seq[String] = names(c)
  override def buildFeatures(a: Option[Array[Double]], c: Int, fb: FeatureBuilder[_]): Unit =
    a match {
      case Some(x) =>
        if (x.length != c) {
          fb.skip(c)
          fb.reject(this, FeatureRejection.WrongDimension(c, x.length))
        } else {
          val dv = DenseVector(x)
          fb.add[Array](names(c), (dv / norm(dv, p)).data)(ArraySeq.unsafeWrapArray)
        }
      case None => fb.skip(c)
    }