37     : bigits_(bigits_buffer_, kBigitCapacity), used_digits_(0), exponent_(0) {  in Bignum()
57   used_digits_ = 1;  in AssignUInt16()
73   used_digits_ = needed_bigits;  in AssignUInt64()
80   for (int i = 0; i < other.used_digits_; ++i) {  in AssignBignum()
84   for (int i = other.used_digits_; i < used_digits_; ++i) {  in AssignBignum()
87   used_digits_ = other.used_digits_;  in AssignBignum()
149   used_digits_ = needed_bigits - 1;  in AssignHexString()
157     bigits_[used_digits_] = most_significant_bigit;  in AssignHexString()
158     used_digits_++;  in AssignHexString()
196   for (int i = 0; i < other.used_digits_; ++i) {  in AddBignum()
209   used_digits_ = Max(bigit_pos, used_digits_);  in AddBignum()
225   for (i = 0; i < other.used_digits_; ++i) {  in SubtractBignum()
242   if (used_digits_ == 0) return;  in ShiftLeft()
245   EnsureCapacity(used_digits_ + 1);  in ShiftLeft()
256   if (used_digits_ == 0) return;  in MultiplyByUInt32()
262   for (int i = 0; i < used_digits_; ++i) {  in MultiplyByUInt32()
268     EnsureCapacity(used_digits_ + 1);  in MultiplyByUInt32()
269     bigits_[used_digits_] = static_cast<Chunk>(carry & kBigitMask);  in MultiplyByUInt32()
270     used_digits_++;  in MultiplyByUInt32()
286   for (int i = 0; i < used_digits_; ++i) {  in MultiplyByUInt64()
295     EnsureCapacity(used_digits_ + 1);  in MultiplyByUInt64()
296     bigits_[used_digits_] = static_cast<Chunk>(carry & kBigitMask);  in MultiplyByUInt64()
297     used_digits_++;  in MultiplyByUInt64()
324   if (used_digits_ == 0) return;  in MultiplyByPowerOfTen()
345   int product_length = 2 * used_digits_;  in Square()
360   if ((1 << (2 * (kChunkSize - kBigitSize))) <= used_digits_) {  in Square()
365   int copy_offset = used_digits_;  in Square()
366   for (int i = 0; i < used_digits_; ++i) {  in Square()
370   for (int i = 0; i < used_digits_; ++i) {  in Square()
386   for (int i = used_digits_; i < product_length; ++i) {  in Square()
387     int bigit_index1 = used_digits_ - 1;  in Square()
391     while (bigit_index2 < used_digits_) {  in Square()
409   used_digits_ = product_length;  in Square()
492   ASSERT(other.used_digits_ > 0);  in DivideModuloIntBignum()
510     ASSERT(other.bigits_[other.used_digits_ - 1] >= ((1 << kBigitSize) / 16));  in DivideModuloIntBignum()
513     result += bigits_[used_digits_ - 1];  in DivideModuloIntBignum()
514     SubtractTimes(other, bigits_[used_digits_ - 1]);  in DivideModuloIntBignum()
522   Chunk this_bigit = bigits_[used_digits_ - 1];  in DivideModuloIntBignum()
523   Chunk other_bigit = other.bigits_[other.used_digits_ - 1];  in DivideModuloIntBignum()
525   if (other.used_digits_ == 1) {  in DivideModuloIntBignum()
528     bigits_[used_digits_ - 1] = this_bigit - other_bigit * quotient;  in DivideModuloIntBignum()
577   if (used_digits_ == 0) {  in ToHexString()
585       SizeInHexChars(bigits_[used_digits_ - 1]) + 1;  in ToHexString()
594   for (int i = 0; i < used_digits_ - 1; ++i) {  in ToHexString()
602   Chunk most_significant_bigit = bigits_[used_digits_ - 1];  in ToHexString()
674   while (used_digits_ > 0 && bigits_[used_digits_ - 1] == 0) {  in Clamp()
675     used_digits_--;  in Clamp()
677   if (used_digits_ == 0) {  in Clamp()
685   return used_digits_ == 0 || bigits_[used_digits_ - 1] != 0;  in IsClamped()
690   for (int i = 0; i < used_digits_; ++i) {  in Zero()
693   used_digits_ = 0;  in Zero()
707     EnsureCapacity(used_digits_ + zero_digits);  in Align()
708     for (int i = used_digits_ - 1; i >= 0; --i) {  in Align()
714     used_digits_ += zero_digits;  in Align()
716     ASSERT(used_digits_ >= 0);  in Align()
726   for (int i = 0; i < used_digits_; ++i) {  in BigitsShiftLeft()
732     bigits_[used_digits_] = carry;  in BigitsShiftLeft()
733     used_digits_++;  in BigitsShiftLeft()
748   for (int i = 0; i < other.used_digits_; ++i) {  in SubtractTimes()
757   for (int i = other.used_digits_ + exponent_diff; i < used_digits_; ++i) {  in SubtractTimes()