#include <deal.II/base/utilities.h>
#include <deal.II/base/exceptions.h>
-#include <fstream>
-#include <iomanip>
+#include <boost/math/special_functions/erf.hpp>
+
#include <algorithm>
-#include <cstdlib>
-#include <cstdio>
-#include <cstddef>
-#include <ctime>
#include <cerrno>
#include <cmath>
+#include <cstddef>
+#include <cstdio>
+#include <cstdlib>
+#include <ctime>
+#include <fstream>
+#include <iomanip>
+#include <iostream>
+#include <limits>
+#include <sstream>
-#ifdef HAVE_UNISTD_H
-# include <unistd.h>
-#endif
#ifdef DEAL_II_MSVC
# include <winsock2.h>
#endif
-#include <boost/math/special_functions/erf.hpp>
-
-#include <sys/types.h>
-#include <sstream>
-#include <iostream>
-#include <limits>
#ifdef DEAL_II_USE_TRILINOS
# ifdef DEAL_II_COMPILER_SUPPORTS_MPI
In the beginning the Universe was created. This has made a lot of
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