text: #include "testlib.h"
  #include <cmath>
  
  using namespace std;
  
  const double EPS = 1E-9;
  
  int main(int argc, char * argv[])
  {
      setName("compare two sequences of doubles, max absolute or relative error = %.10lf", EPS);
      registerTestlibCmd(argc, argv);
  
      int n = 0;
      double j, p;
  
      while (!ans.seekEof()) 
      {
          n++;
          j = ans.readDouble();
          p = ouf.readDouble();
          if (!doubleCompare(j, p, EPS))
          {
              quitf(_wa, "%d%s numbers differ - expected: '%.10lf', found: '%.10lf', error = '%.10lf'",
                  n, englishEnding(n).c_str(), j, p, doubleDelta(j, p));
          }
      }
  
      if (n == 1)
          quitf(_ok, "found '%.10lf', expected '%.10lf', error '%.10lf'", p, j, doubleDelta(j, p));
  
      quitf(_ok, "%d numbers", n);
  }
  