ianmcook commented on code in PR #44630:
URL: https://github.com/apache/arrow/pull/44630#discussion_r1871954422
##########
cpp/src/arrow/compute/kernels/scalar_arithmetic.cc:
##########
@@ -273,6 +328,29 @@ struct Atan {
}
};
+struct Atanh {
+ template <typename T, typename Arg0>
+ static enable_if_floating_value<Arg0, T> Call(KernelContext*, Arg0 val,
Status*) {
+ static_assert(std::is_same<T, Arg0>::value, "");
+ if (ARROW_PREDICT_FALSE((val < -1.0 || val > 1.0))) {
Review Comment:
FWIW, a common approach when implementing Acero functions in cases like this
has been to add options to allow the user to pick what behavior they want. It
might be worth doing that here if it doesn't add excessive complexity or
inefficiency.
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