normalize_on_num.dart

extension Normalize on num {
  num normalized(
    num selfRangeMin,
    num selfRangeMax, [
    num normalizedRangeMin = 0.0,
    num normalizedRangeMax = 1.0,
  ]) =>
      (normalizedRangeMax - normalizedRangeMin) *
          ((this - selfRangeMin) / (selfRangeMax - selfRangeMin)) +
      normalizedRangeMin;
}