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public extension BinaryFloatingPoint {
public func scaled(from source: ReversibleRange<Self>, to destination: ReversibleRange<Self>) -> Self {
let destinationStart = destination.lowerBound
let destinationEnd = destination.upperBound
let selfMinusLower = self - source.lowerBound
let sourceUpperMinusLower = source.upperBound - source.lowerBound
let destinationUpperMinusLower = destinationEnd - destinationStart
let percentThroughSource = (selfMinusLower / sourceUpperMinusLower)
let curvedPercent = percentThroughSource
return curvedPercent * destinationUpperMinusLower + destinationStart
}
}
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