in dfp/include/DecimalNative.hpp [744:751]
bool isGreaterOrEqualChecked(Decimal64_t const &b) const {
if (isNull())
throw std::invalid_argument(DN_FUNC + ": This object is null.");
if (b.isNull())
throw std::invalid_argument(DN_FUNC + ": Argument '" + DN_NAMEOF(b) + "' is null.");
return isGreaterOrEqualUnchecked(b);
}