Function isnan

Common/Core/vtkGenericDataArrayLookupHelper.h:39–43

template <typename T>
bool isnan(T x)
{
  // Select the correct partially specialized type.
  return has_NaN<T, std::numeric_limits<T>::has_quiet_NaN>::isnan(x);
}
VTK_ABI_NAMESPACE_END
} // namespace detail