Method Call

cpp/src/arrow/compute/kernels/base_arithmetic_internal.h:645–648

struct Sign {
  template <typename T, typename Arg>
  static constexpr enable_if_floating_value<Arg, T> Call(KernelContext*, Arg arg,
                                                         Status*) {
    return std::isnan(arg) ? arg : ((arg == 0) ? 0 : (std::signbit(arg) ? -1 : 1));
  }

  template <typename T, typename Arg>
  static constexpr enable_if_half_float_value<Arg, T> Call(KernelContext*, Arg arg,