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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/Map-range/Kotlin/map-range.kotlin Normal file
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// version 1.0.6
class FloatRange(override val start: Float, override val endInclusive: Float) : ClosedRange<Float>
fun mapRange(range1: FloatRange, range2: FloatRange, value: Float): Float {
if (value !in range1) throw IllegalArgumentException("value is not within the first range")
if (range1.endInclusive == range1.start) throw IllegalArgumentException("first range cannot be single-valued")
return range2.start + (value - range1.start) * (range2.endInclusive - range2.start) / (range1.endInclusive - range1.start)
}
fun main(args: Array<String>) {
for (i in 0..10) {
val mappedValue = mapRange(FloatRange(0.0f, 10.0f), FloatRange(-1.0f, 0.0f), i.toFloat())
println(String.format("%2d maps to %+4.2f", i, mappedValue))
}
}