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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/Approximate-equality/Kotlin/approximate-equality.kotlin Normal file
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import kotlin.math.abs
import kotlin.math.sqrt
fun approxEquals(value: Double, other: Double, epsilon: Double): Boolean {
return abs(value - other) < epsilon
}
fun test(a: Double, b: Double) {
val epsilon = 1e-18
println("$a, $b => ${approxEquals(a, b, epsilon)}")
}
fun main() {
test(100000000000000.01, 100000000000000.011)
test(100.01, 100.011)
test(10000000000000.001 / 10000.0, 1000000000.0000001000)
test(0.001, 0.0010000001)
test(0.000000000000000000000101, 0.0)
test(sqrt(2.0) * sqrt(2.0), 2.0)
test(-sqrt(2.0) * sqrt(2.0), -2.0)
test(3.14159265358979323846, 3.14159265358979324)
}