32 class BigInteger {
36     BigInteger(const BigInteger& rhs) : count_(rhs.count_) {  in BigInteger()  function
40     explicit BigInteger(uint64_t u) : count_(1) {  in BigInteger()  function
45     BigInteger(const Ch* decimals, size_t length) : count_(1) {  in BigInteger()  function
60     BigInteger& operator=(const BigInteger &rhs)
69     BigInteger& operator=(uint64_t u) {
75     BigInteger& operator+=(uint64_t u) {
92     BigInteger& operator*=(uint64_t u) {
110     BigInteger& operator*=(uint32_t u) {
133     BigInteger& operator<<=(size_t shift) {
159     bool operator==(const BigInteger& rhs) const {
167     BigInteger& MultiplyPow5(unsigned exp) {  in MultiplyPow5()
191     bool Difference(const BigInteger& rhs, BigInteger* out) const {  in Difference()
194         const BigInteger *a, *b;  // Makes a > b  in Difference()
213     int Compare(const BigInteger& rhs) const {  in Compare()