warning fixes

mr_util/threading.cc

@@ -282,7 +282,7 @@ class Distribution
           std::unique_lock<std::mutex> lck(mut_);
           if (cur_>=nwork_) return Range();
           auto rem = nwork_-cur_;
-          size_t tmp = size_t((fact_max_*rem)/nthreads_);
+          size_t tmp = size_t((fact_max_*double(rem))/double(nthreads_));
           auto sz = std::min(rem, std::max(chunksize_, tmp));
           size_t lo=cur_;
           cur_+=sz;

mr_util/threading.h

@@ -60,7 +60,7 @@ void execGuided(size_t nwork, size_t nthreads, size_t chunksize_min,
   double fact_max, std::function<void(Scheduler &)> func);
 void execParallel(size_t nthreads, std::function<void(Scheduler &)> func);
 
-} // end of namespace detail
+} // end of namespace detail_threading
 
 using detail_threading::max_threads;
 using detail_threading::get_default_nthreads;