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fix zipWithNextCircular on single element

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This commit is contained in:
Alexander Nozik 2023-04-12 11:40:27 +03:00
parent 5965ca940b
commit e76d8e0774
1 changed files with 2 additions and 2 deletions
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kmath-core/src/commonMain/kotlin/space/kscience/kmath/misc/collections.kt
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@ -9,7 +9,7 @@ package space.kscience.kmath.misc
* The same as [zipWithNext], but includes link between last and first element * The same as [zipWithNext], but includes link between last and first element
*/ */
public inline fun <T, R> List<T>.zipWithNextCircular(transform: (a: T, b: T) -> R): List<R> { public inline fun <T, R> List<T>.zipWithNextCircular(transform: (a: T, b: T) -> R): List<R> {
if (isEmpty()) return emptyList() if (size < 2) return emptyList()
return indices.map { i -> return indices.map { i ->
if (i == size - 1) { if (i == size - 1) {
transform(last(), first()) transform(last(), first())