From: Daniel Arndt <daniel.arndt@iwr.uni-heidelberg.de>
Date: Mon, 2 Jul 2018 12:20:42 +0000 (+0200)
Subject: Provide a more verbose name for a variable
X-Git-Tag: v9.1.0-rc1~952^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0883adb2b52813d32938f9a0fc9614ac0a2dc044;p=dealii.git

Provide a more verbose name for a variable
---

diff --git a/examples/step-27/step-27.cc b/examples/step-27/step-27.cc
index 81120240d1..8a1871d25d 100644
--- a/examples/step-27/step-27.cc
+++ b/examples/step-27/step-27.cc
@@ -715,11 +715,10 @@ namespace Step27
                 std::log(2.0 * numbers::PI * std::sqrt(1. * res.first[f]));
           }
 
-        // We have to calculate the logarithms of absolute
-        // values of coefficients and use it in linear regression fit to
-        // obtain $\mu$.
-        for (double &f : res.second)
-          f = std::log(f);
+        // We have to calculate the logarithms of absolute values of
+        // coefficients and use it in a linear regression fit to obtain $\mu$.
+        for (double &residual_element : res.second)
+          residual_element = std::log(residual_element);
 
         std::pair<double, double> fit =
           FESeries::linear_regression(ln_k, res.second);