     /// - parameter aRef: Reference frequency of A Note (Default: 440Hz)
     ///
     public func frequencyToMIDINote(_ aRef: Double = 440.0) -> Double {
-        return 69 + 12*log2(self/aRef)
+        return 69 + 12 * log2(self/aRef)
     }
 }
 

    }
}


    /// - parameter aRef: Reference frequency of A Note (Default: 440Hz)
    ///
    public func frequencyToMIDINote(_ aRef: Double = 440.0) -> Double {
        return 69 + 12 * log2(Double(self)/aRef)
    }
}

