From c87f4d312b987f65718152210639a8a405b84086 Mon Sep 17 00:00:00 2001
From: Timo Koch <timokoch@math.uio.no>
Date: Sun, 22 Jan 2023 19:34:18 +0000
Subject: [PATCH] [cleanup][io] Small fixes in raster image reader

---
 dumux/io/rasterimagereader.hh | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/dumux/io/rasterimagereader.hh b/dumux/io/rasterimagereader.hh
index 038377f3bf..5bd302fc0a 100644
--- a/dumux/io/rasterimagereader.hh
+++ b/dumux/io/rasterimagereader.hh
@@ -300,9 +300,8 @@ public:
 
         std::vector<OutputValueType> data;
         data.reserve(image.size()*image[0].size());
-        for (const auto& row: image)
-            for (const auto col : row)
-                data.push_back(col);
+        for (const auto& row : image)
+            data.insert(data.end(), row.begin(), row.end());
 
         return data;
     }
@@ -478,8 +477,6 @@ private:
     static std::vector<ValueType> readPGMDataBinary_(std::ifstream& infile,
                                                      const HeaderData& headerData)
     {
-        std::string inputLine;
-
         // check the size of the binary part of the file
         const auto curPos = infile.tellg();
         infile.seekg(0, std::ios::end);
-- 
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