#include <cstdio>
#include <cstdlib>
#include <ctime>

#include "minimal_rtklib.h"

using namespace std;

#ifdef WITHOUT_FILE
void rtkprintstat(int level, const char *str, ...){}

int trace_vprintf(const char *format, va_list ap){
  int res;
  res = vfprintf(stderr, format, ap);
  fflush(stderr);
  return res;
}
#endif


int main(int argc, char *argv[]){
  unsigned int seed((unsigned)time(NULL));

  for(int arg_index(1); arg_index < argc; arg_index++){
    int tmp;
    if(sscanf(argv[arg_index], "--verbose=%d", &tmp) >= 1){
      if(tmp >= 0){tracelevel(tmp);}
    }else{
      seed = atoi(argv[arg_index]);
    }
  }

  srand(seed);
  fprintf(stderr, "Case: %d\r\n", seed);

  unsigned char buf[128];
  for(int i(0); i < sizeof(buf); i++){
    buf[i] = rand() & 0xFF;
  }

  fprintf(stderr, "--------------------\r\n");

  unsigned int res1(crc24q(buf, sizeof(buf)));
  fprintf(stderr, "Res(0): 0x%08x\r\n", res1);

  for(int shift(1); shift < 8; shift++){
    fprintf(stderr, "--------------------\r\n");

    unsigned char tmp((buf[0] >> 7) & 0x01);
    for(int i(0), j(1); j < sizeof(buf); i++, j++){
      (buf[i] <<= 1) |= ((buf[j] >> 7) & 0x01);
    }
    (buf[sizeof(buf) - 1] <<= 1) |= tmp;

    unsigned int res2(crc24q(buf, sizeof(buf)));
    fprintf(stderr, "Res(%d): 0x%08x\r\n", shift, res2);
  }

  return 0;
}