message: Fix measured spd
diff: @@ -64,7 +64,7 @@ public:
  size_t ival(-1);
  for (size_t i = 0; i < values_.size() - 1; ++i)
  {
  - if (values_[i].first >= lambda && values_[i + 1].first)
  + if (values_[i].first <= lambda && values_[i + 1].first >= lambda)
  {
  ival = i;
  break;
  