message: fixed bug in example
diff: @@ -190,12 +190,12 @@ int main(int argc, char* argv[])
  const float expect = std::max(ref.data[i], 0.f);
  const float actual = std::max(output.data[i], 0.f);
  float re;
  - if (abs(expect) < 1e-5 && abs(actual) < 1e-5)
  + if (std::abs(expect) < 1e-5 && std::abs(actual) < 1e-5)
  re = 0;
  else if (expect != 0)
  - re = abs((expect - actual) / expect);
  + re = std::abs((expect - actual) / expect);
  else
  - re = abs(expect - actual);
  + re = std::abs(expect - actual);
  if (maxre < re) maxre = re;
  if (re > 1e-3)
  {
  