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kotlin-stdlib / kotlin.math / ln1p

ln1p

Common
JVM
JS
Native
1.2
fun ln1p ( x : Double ) : Double
(Common source) (JVM source) (JS source) (Native source)
fun ln1p ( x : Float ) : Float
(Common source) (JVM source) (JS source) (Native source)

Computes ln(x + 1) .

This function can be implemented to produce more precise result for x near zero.

Special cases:

  • ln1p(NaN) is NaN
  • ln1p(x) is NaN where x < -1.0
  • ln1p(-1.0) is -Inf
  • ln1p(+Inf) is +Inf

See Also

ln

expm1

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