fun atanh(x: Double): Double
Platform and version requirements: Kotlin 1.2
inline fun atanh(x: Float): Float
Platform and version requirements: Kotlin 1.2
Computes the inverse hyperbolic tangent of the value x.
The returned value is y such that tanh(y) == x.
Special cases:
tanh(NaN) is NaN
tanh(x) is NaN when x > 1 or x < -1
tanh(1.0) is +Inf
tanh(-1.0) is -Inf
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Licensed under the Apache License, Version 2.0.
https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.math/atanh.html