Function FastInt32ToBufferLeft

tensorflow/core/lib/strings/numbers.cc:131–144

namespace strings {

size_t FastInt32ToBufferLeft(int32 i, char* buffer) {
  uint32 u = i;
  size_t length = 0;
  if (i < 0) {
    *buffer++ = '-';
    ++length;
    // We need to do the negation in modular (i.e., "unsigned")
    // arithmetic; MSVC++ apparently warns for plain "-u", so
    // we write the equivalent expression "0 - u" instead.
    u = 0 - u;
  }
  length += FastUInt32ToBufferLeft(u, buffer);
  return length;
}

size_t FastUInt32ToBufferLeft(uint32 i, char* buffer) {
  char* start = buffer;