UInt128            44 src/fixed-dtoa.cc   UInt128() : high_bits_(0), low_bits_(0) { }
UInt128            45 src/fixed-dtoa.cc   UInt128(uint64_t high, uint64_t low) : high_bits_(high), low_bits_(low) { }
UInt128           271 src/fixed-dtoa.cc     UInt128 fractionals128 = UInt128(fractionals, 0);