varrayMinMaxSum: added omp simd.

src/array.cc

@@ -79,6 +79,9 @@ varrayMinMaxSum(const size_t len, const Varray<T> &array, MinMaxSum mms)
   T rmax = mms.max;
   auto rsum = mms.sum;
 
+#ifdef HAVE_OPENMP4
+#pragma omp simd reduction(min:rmin) reduction(max:rmax) reduction(+:rsum)
+#endif
   for (size_t i = 0; i < len; ++i)
     {
       const auto v = array[i];