Function decimal_is_zero

strings/decimal.c:2055–2063

}

int decimal_is_zero(const decimal_t *from)
{
  dec1 *buf1=from->buf,
       *end=buf1+ROUND_UP(from->intg)+ROUND_UP(from->frac);
  while (buf1 < end)
    if (*buf1++)
      return 0;
  return 1;
}

/*
  multiply two decimals