From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Mon, 18 May 2020 23:07:41 +0000 (-0600)
Subject: Simplify a piece of code.
X-Git-Tag: v9.3.0-rc1~1613^2~8
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=947c65c6dae3348666a8528058040eae4be2385c;p=dealii.git

Simplify a piece of code.
---

diff --git a/examples/step-70/step-70.cc b/examples/step-70/step-70.cc
index 4dd8a1917d..bf3a698e71 100644
--- a/examples/step-70/step-70.cc
+++ b/examples/step-70/step-70.cc
@@ -896,14 +896,12 @@ namespace Step70
     // We construct this information by first building an index tree of boxes
     // bounding the locally owned cells, and then extracting one of the first
     // levels of the tree:
-    std::vector<BoundingBox<spacedim>> all_boxes(
-      fluid_tria.n_locally_owned_active_cells());
-    unsigned int i = 0;
+    std::vector<BoundingBox<spacedim>> all_boxes;
+    all_boxes.reserve(fluid_tria.n_locally_owned_active_cells());
     for (const auto cell : fluid_tria.active_cell_iterators())
       if (cell->is_locally_owned())
-        all_boxes[i++] = cell->bounding_box();
+        all_boxes.emplace_back(cell->bounding_box());
 
-    // We construct the tree
     const auto tree = pack_rtree(all_boxes);
 
     // extract the desired level