diff --git a/AMDiS/libtool b/AMDiS/libtool
index 36f4947b7437916e018387a8df916c68568f5eaf..e96f67065e881c5fbc2155783211a810082e9175 100755
--- a/AMDiS/libtool
+++ b/AMDiS/libtool
@@ -30,21 +30,21 @@
 # the same distribution terms that you use for the rest of that program.
 
 # A sed program that does not truncate output.
-SED="/usr/bin/sed"
+SED="/bin/sed"
 
 # Sed that helps us avoid accidentally triggering echo(1) options like -n.
-Xsed="/usr/bin/sed -e 1s/^X//"
+Xsed="/bin/sed -e 1s/^X//"
 
 # The HP-UX ksh and POSIX shell print the target directory to stdout
 # if CDPATH is set.
 (unset CDPATH) >/dev/null 2>&1 && unset CDPATH
 
 # The names of the tagged configurations supported by this script.
-available_tags=" CXX"
+available_tags=" CXX F77"
 
 # ### BEGIN LIBTOOL CONFIG
 
-# Libtool was configured on host linux-5k82:
+# Libtool was configured on host NWRW15:
 
 # Shell to use when invoking shell scripts.
 SHELL="/bin/sh"
@@ -66,12 +66,12 @@ fast_install=yes
 
 # The host system.
 host_alias=
-host=x86_64-unknown-linux-gnu
+host=i686-pc-linux-gnu
 host_os=linux-gnu
 
 # The build system.
 build_alias=
-build=x86_64-unknown-linux-gnu
+build=i686-pc-linux-gnu
 build_os=linux-gnu
 
 # An echo program that does not interpret backslashes.
@@ -93,14 +93,14 @@ CC="gcc"
 # Is the compiler the GNU C compiler?
 with_gcc=yes
 
-gcc_dir=`gcc -print-file-name=. | /usr/bin/sed 's,/\.$,,'`
+gcc_dir=`gcc -print-file-name=. | /bin/sed 's,/\.$,,'`
 gcc_ver=`gcc -dumpversion`
 
 # An ERE matcher.
 EGREP="grep -E"
 
 # The linker used to build libraries.
-LD="/usr/x86_64-suse-linux/bin/ld -m elf_x86_64"
+LD="/usr/bin/ld"
 
 # Whether we need hard or soft links.
 LN_S="ln -s"
@@ -328,10 +328,10 @@ variables_saved_for_relink="PATH LD_LIBRARY_PATH LD_RUN_PATH GCC_EXEC_PREFIX COM
 link_all_deplibs=unknown
 
 # Compile-time system search path for libraries
-sys_lib_search_path_spec=`echo "/lib64 /usr/lib64 /usr/local/lib64" | $SED -e "s@${gcc_dir}@\${gcc_dir}@g;s@${gcc_ver}@\${gcc_ver}@g"`
+sys_lib_search_path_spec=`echo " /usr/lib/gcc/i386-redhat-linux/4.1.2/ /usr/lib/gcc/i386-redhat-linux/4.1.2/ /usr/lib/gcc/i386-redhat-linux/4.1.2/../../../../i386-redhat-linux/lib/i386-redhat-linux/4.1.2/ /usr/lib/gcc/i386-redhat-linux/4.1.2/../../../../i386-redhat-linux/lib/ /usr/lib/gcc/i386-redhat-linux/4.1.2/../../../i386-redhat-linux/4.1.2/ /usr/lib/gcc/i386-redhat-linux/4.1.2/../../../ /lib/i386-redhat-linux/4.1.2/ /lib/ /usr/lib/i386-redhat-linux/4.1.2/ /usr/lib/" | $SED -e "s@${gcc_dir}@\${gcc_dir}@g;s@${gcc_ver}@\${gcc_ver}@g"`
 
 # Run-time system search path for libraries
-sys_lib_dlsearch_path_spec="/lib64 /usr/lib64 /usr/X11R6/lib64/Xaw3d /usr/X11R6/lib64 /usr/lib64/Xaw3d /usr/X11R6/lib/Xaw3d /usr/X11R6/lib /usr/lib/Xaw3d /usr/x86_64-suse-linux/lib /usr/local/lib /opt/kde3/lib /lib64 /lib /usr/lib64 /usr/lib /usr/local/lib64 /opt/kde3/lib64 /usr/lib64/graphviz /usr/lib64/graphviz/sharp /usr/lib64/graphviz/java /usr/lib64/graphviz/perl /usr/lib64/graphviz/php /usr/lib64/graphviz/ocaml /usr/lib64/graphviz/python /usr/lib64/graphviz/lua /usr/lib64/graphviz/tcl /usr/lib64/graphviz/guile /usr/lib64/graphviz/ruby "
+sys_lib_dlsearch_path_spec="/lib /usr/lib /usr/lib/octave-2.9.9 /usr/lib/qt-3.3/lib /usr/lib/qt4/lib "
 
 # Fix the shell variable $srcfile for the compiler.
 fix_srcfile_path=""
@@ -6763,7 +6763,7 @@ build_old_libs=`case $build_libtool_libs in yes) $echo no;; *) $echo yes;; esac`
 # End:
 # ### BEGIN LIBTOOL TAG CONFIG: CXX
 
-# Libtool was configured on host linux-5k82:
+# Libtool was configured on host NWRW15:
 
 # Shell to use when invoking shell scripts.
 SHELL="/bin/sh"
@@ -6785,12 +6785,12 @@ fast_install=yes
 
 # The host system.
 host_alias=
-host=x86_64-unknown-linux-gnu
+host=i686-pc-linux-gnu
 host_os=linux-gnu
 
 # The build system.
 build_alias=
-build=x86_64-unknown-linux-gnu
+build=i686-pc-linux-gnu
 build_os=linux-gnu
 
 # An echo program that does not interpret backslashes.
@@ -6812,14 +6812,14 @@ CC="g++"
 # Is the compiler the GNU C compiler?
 with_gcc=yes
 
-gcc_dir=`gcc -print-file-name=. | /usr/bin/sed 's,/\.$,,'`
+gcc_dir=`gcc -print-file-name=. | /bin/sed 's,/\.$,,'`
 gcc_ver=`gcc -dumpversion`
 
 # An ERE matcher.
 EGREP="grep -E"
 
 # The linker used to build libraries.
-LD="/usr/x86_64-suse-linux/bin/ld -m elf_x86_64"
+LD="/usr/bin/ld"
 
 # Whether we need hard or soft links.
 LN_S="ln -s"
@@ -6948,11 +6948,11 @@ striplib="strip --strip-unneeded"
 
 # Dependencies to place before the objects being linked to create a
 # shared library.
-predep_objects=`echo "/usr/lib64/gcc/x86_64-suse-linux/4.4/../../../../lib64/crti.o /usr/lib64/gcc/x86_64-suse-linux/4.4/crtbeginS.o" | $SED -e "s@${gcc_dir}@\${gcc_dir}@g;s@${gcc_ver}@\${gcc_ver}@g"`
+predep_objects=`echo "/usr/lib/gcc/i386-redhat-linux/4.1.2/../../../crti.o /usr/lib/gcc/i386-redhat-linux/4.1.2/crtbeginS.o" | $SED -e "s@${gcc_dir}@\${gcc_dir}@g;s@${gcc_ver}@\${gcc_ver}@g"`
 
 # Dependencies to place after the objects being linked to create a
 # shared library.
-postdep_objects=`echo "/usr/lib64/gcc/x86_64-suse-linux/4.4/crtendS.o /usr/lib64/gcc/x86_64-suse-linux/4.4/../../../../lib64/crtn.o" | $SED -e "s@${gcc_dir}@\${gcc_dir}@g;s@${gcc_ver}@\${gcc_ver}@g"`
+postdep_objects=`echo "/usr/lib/gcc/i386-redhat-linux/4.1.2/crtendS.o /usr/lib/gcc/i386-redhat-linux/4.1.2/../../../crtn.o" | $SED -e "s@${gcc_dir}@\${gcc_dir}@g;s@${gcc_ver}@\${gcc_ver}@g"`
 
 # Dependencies to place before the objects being linked to create a
 # shared library.
@@ -6964,7 +6964,7 @@ postdeps="-lstdc++ -lm -lgcc_s -lc -lgcc_s"
 
 # The library search path used internally by the compiler when linking
 # a shared library.
-compiler_lib_search_path=`echo "-L/usr/lib64/gcc/x86_64-suse-linux/4.4 -L/usr/lib64/gcc/x86_64-suse-linux/4.4/../../../../lib64 -L/lib/../lib64 -L/usr/lib/../lib64 -L/usr/lib64/gcc/x86_64-suse-linux/4.4/../../../../x86_64-suse-linux/lib -L/usr/lib64/gcc/x86_64-suse-linux/4.4/../../.." | $SED -e "s@${gcc_dir}@\${gcc_dir}@g;s@${gcc_ver}@\${gcc_ver}@g"`
+compiler_lib_search_path=`echo "-L/usr/lib/gcc/i386-redhat-linux/4.1.2 -L/usr/lib/gcc/i386-redhat-linux/4.1.2 -L/usr/lib/gcc/i386-redhat-linux/4.1.2/../../.." | $SED -e "s@${gcc_dir}@\${gcc_dir}@g;s@${gcc_ver}@\${gcc_ver}@g"`
 
 # Method to check whether dependent libraries are shared objects.
 deplibs_check_method="pass_all"
@@ -7044,10 +7044,10 @@ variables_saved_for_relink="PATH LD_LIBRARY_PATH LD_RUN_PATH GCC_EXEC_PREFIX COM
 link_all_deplibs=unknown
 
 # Compile-time system search path for libraries
-sys_lib_search_path_spec=`echo "/lib64 /usr/lib64 /usr/local/lib64" | $SED -e "s@${gcc_dir}@\${gcc_dir}@g;s@${gcc_ver}@\${gcc_ver}@g"`
+sys_lib_search_path_spec=`echo " /usr/lib/gcc/i386-redhat-linux/4.1.2/ /usr/lib/gcc/i386-redhat-linux/4.1.2/ /usr/lib/gcc/i386-redhat-linux/4.1.2/../../../../i386-redhat-linux/lib/i386-redhat-linux/4.1.2/ /usr/lib/gcc/i386-redhat-linux/4.1.2/../../../../i386-redhat-linux/lib/ /usr/lib/gcc/i386-redhat-linux/4.1.2/../../../i386-redhat-linux/4.1.2/ /usr/lib/gcc/i386-redhat-linux/4.1.2/../../../ /lib/i386-redhat-linux/4.1.2/ /lib/ /usr/lib/i386-redhat-linux/4.1.2/ /usr/lib/" | $SED -e "s@${gcc_dir}@\${gcc_dir}@g;s@${gcc_ver}@\${gcc_ver}@g"`
 
 # Run-time system search path for libraries
-sys_lib_dlsearch_path_spec="/lib64 /usr/lib64 /usr/X11R6/lib64/Xaw3d /usr/X11R6/lib64 /usr/lib64/Xaw3d /usr/X11R6/lib/Xaw3d /usr/X11R6/lib /usr/lib/Xaw3d /usr/x86_64-suse-linux/lib /usr/local/lib /opt/kde3/lib /lib64 /lib /usr/lib64 /usr/lib /usr/local/lib64 /opt/kde3/lib64 /usr/lib64/graphviz /usr/lib64/graphviz/sharp /usr/lib64/graphviz/java /usr/lib64/graphviz/perl /usr/lib64/graphviz/php /usr/lib64/graphviz/ocaml /usr/lib64/graphviz/python /usr/lib64/graphviz/lua /usr/lib64/graphviz/tcl /usr/lib64/graphviz/guile /usr/lib64/graphviz/ruby "
+sys_lib_dlsearch_path_spec="/lib /usr/lib /usr/lib/octave-2.9.9 /usr/lib/qt-3.3/lib /usr/lib/qt4/lib "
 
 # Fix the shell variable $srcfile for the compiler.
 fix_srcfile_path=""
@@ -7069,3 +7069,314 @@ include_expsyms=""
 
 # ### END LIBTOOL TAG CONFIG: CXX
 
+# ### BEGIN LIBTOOL TAG CONFIG: F77
+
+# Libtool was configured on host NWRW15:
+
+# Shell to use when invoking shell scripts.
+SHELL="/bin/sh"
+
+# Whether or not to build shared libraries.
+build_libtool_libs=yes
+
+# Whether or not to build static libraries.
+build_old_libs=yes
+
+# Whether or not to add -lc for building shared libraries.
+build_libtool_need_lc=no
+
+# Whether or not to disallow shared libs when runtime libs are static
+allow_libtool_libs_with_static_runtimes=no
+
+# Whether or not to optimize for fast installation.
+fast_install=yes
+
+# The host system.
+host_alias=
+host=i686-pc-linux-gnu
+host_os=linux-gnu
+
+# The build system.
+build_alias=
+build=i686-pc-linux-gnu
+build_os=linux-gnu
+
+# An echo program that does not interpret backslashes.
+echo="echo"
+
+# The archiver.
+AR="ar"
+AR_FLAGS="cru"
+
+# A C compiler.
+LTCC="gcc"
+
+# LTCC compiler flags.
+LTCFLAGS="-g -O2"
+
+# A language-specific compiler.
+CC="g77"
+
+# Is the compiler the GNU C compiler?
+with_gcc=yes
+
+gcc_dir=`gcc -print-file-name=. | /bin/sed 's,/\.$,,'`
+gcc_ver=`gcc -dumpversion`
+
+# An ERE matcher.
+EGREP="grep -E"
+
+# The linker used to build libraries.
+LD="/usr/bin/ld"
+
+# Whether we need hard or soft links.
+LN_S="ln -s"
+
+# A BSD-compatible nm program.
+NM="/usr/bin/nm -B"
+
+# A symbol stripping program
+STRIP="strip"
+
+# Used to examine libraries when file_magic_cmd begins "file"
+MAGIC_CMD=file
+
+# Used on cygwin: DLL creation program.
+DLLTOOL="dlltool"
+
+# Used on cygwin: object dumper.
+OBJDUMP="objdump"
+
+# Used on cygwin: assembler.
+AS="as"
+
+# The name of the directory that contains temporary libtool files.
+objdir=.libs
+
+# How to create reloadable object files.
+reload_flag=" -r"
+reload_cmds="\$LD\$reload_flag -o \$output\$reload_objs"
+
+# How to pass a linker flag through the compiler.
+wl="-Wl,"
+
+# Object file suffix (normally "o").
+objext="o"
+
+# Old archive suffix (normally "a").
+libext="a"
+
+# Shared library suffix (normally ".so").
+shrext_cmds='.so'
+
+# Executable file suffix (normally "").
+exeext=""
+
+# Additional compiler flags for building library objects.
+pic_flag=" -fPIC"
+pic_mode=default
+
+# What is the maximum length of a command?
+max_cmd_len=32768
+
+# Does compiler simultaneously support -c and -o options?
+compiler_c_o="yes"
+
+# Must we lock files when doing compilation?
+need_locks="no"
+
+# Do we need the lib prefix for modules?
+need_lib_prefix=no
+
+# Do we need a version for libraries?
+need_version=no
+
+# Whether dlopen is supported.
+dlopen_support=unknown
+
+# Whether dlopen of programs is supported.
+dlopen_self=unknown
+
+# Whether dlopen of statically linked programs is supported.
+dlopen_self_static=unknown
+
+# Compiler flag to prevent dynamic linking.
+link_static_flag="-static"
+
+# Compiler flag to turn off builtin functions.
+no_builtin_flag=""
+
+# Compiler flag to allow reflexive dlopens.
+export_dynamic_flag_spec="\${wl}--export-dynamic"
+
+# Compiler flag to generate shared objects directly from archives.
+whole_archive_flag_spec="\${wl}--whole-archive\$convenience \${wl}--no-whole-archive"
+
+# Compiler flag to generate thread-safe objects.
+thread_safe_flag_spec=""
+
+# Library versioning type.
+version_type=linux
+
+# Format of library name prefix.
+libname_spec="lib\$name"
+
+# List of archive names.  First name is the real one, the rest are links.
+# The last name is the one that the linker finds with -lNAME.
+library_names_spec="\${libname}\${release}\${shared_ext}\$versuffix \${libname}\${release}\${shared_ext}\$major \$libname\${shared_ext}"
+
+# The coded name of the library, if different from the real name.
+soname_spec="\${libname}\${release}\${shared_ext}\$major"
+
+# Commands used to build and install an old-style archive.
+RANLIB="ranlib"
+old_archive_cmds="\$AR \$AR_FLAGS \$oldlib\$oldobjs\$old_deplibs~\$RANLIB \$oldlib"
+old_postinstall_cmds="chmod 644 \$oldlib~\$RANLIB \$oldlib"
+old_postuninstall_cmds=""
+
+# Create an old-style archive from a shared archive.
+old_archive_from_new_cmds=""
+
+# Create a temporary old-style archive to link instead of a shared archive.
+old_archive_from_expsyms_cmds=""
+
+# Commands used to build and install a shared archive.
+archive_cmds="\$CC -shared \$libobjs \$deplibs \$compiler_flags \${wl}-soname \$wl\$soname -o \$lib"
+archive_expsym_cmds="\$echo \\\"{ global:\\\" > \$output_objdir/\$libname.ver~
+  cat \$export_symbols | sed -e \\\"s/\\\\(.*\\\\)/\\\\1;/\\\" >> \$output_objdir/\$libname.ver~
+  \$echo \\\"local: *; };\\\" >> \$output_objdir/\$libname.ver~
+	  \$CC -shared \$libobjs \$deplibs \$compiler_flags \${wl}-soname \$wl\$soname \${wl}-version-script \${wl}\$output_objdir/\$libname.ver -o \$lib"
+postinstall_cmds=""
+postuninstall_cmds=""
+
+# Commands used to build a loadable module (assumed same as above if empty)
+module_cmds=""
+module_expsym_cmds=""
+
+# Commands to strip libraries.
+old_striplib="strip --strip-debug"
+striplib="strip --strip-unneeded"
+
+# Dependencies to place before the objects being linked to create a
+# shared library.
+predep_objects=`echo "" | $SED -e "s@${gcc_dir}@\${gcc_dir}@g;s@${gcc_ver}@\${gcc_ver}@g"`
+
+# Dependencies to place after the objects being linked to create a
+# shared library.
+postdep_objects=`echo "" | $SED -e "s@${gcc_dir}@\${gcc_dir}@g;s@${gcc_ver}@\${gcc_ver}@g"`
+
+# Dependencies to place before the objects being linked to create a
+# shared library.
+predeps=""
+
+# Dependencies to place after the objects being linked to create a
+# shared library.
+postdeps=""
+
+# The library search path used internally by the compiler when linking
+# a shared library.
+compiler_lib_search_path=`echo "" | $SED -e "s@${gcc_dir}@\${gcc_dir}@g;s@${gcc_ver}@\${gcc_ver}@g"`
+
+# Method to check whether dependent libraries are shared objects.
+deplibs_check_method="pass_all"
+
+# Command to use when deplibs_check_method == file_magic.
+file_magic_cmd="\$MAGIC_CMD"
+
+# Flag that allows shared libraries with undefined symbols to be built.
+allow_undefined_flag=""
+
+# Flag that forces no undefined symbols.
+no_undefined_flag=""
+
+# Commands used to finish a libtool library installation in a directory.
+finish_cmds="PATH=\\\"\\\$PATH:/sbin\\\" ldconfig -n \$libdir"
+
+# Same as above, but a single script fragment to be evaled but not shown.
+finish_eval=""
+
+# Take the output of nm and produce a listing of raw symbols and C names.
+global_symbol_pipe="sed -n -e 's/^.*[ 	]\\([ABCDGIRSTW][ABCDGIRSTW]*\\)[ 	][ 	]*\\([_A-Za-z][_A-Za-z0-9]*\\)\$/\\1 \\2 \\2/p'"
+
+# Transform the output of nm in a proper C declaration
+global_symbol_to_cdecl="sed -n -e 's/^. .* \\(.*\\)\$/extern int \\1;/p'"
+
+# Transform the output of nm in a C name address pair
+global_symbol_to_c_name_address="sed -n -e 's/^: \\([^ ]*\\) \$/  {\\\"\\1\\\", (lt_ptr) 0},/p' -e 's/^[BCDEGRST] \\([^ ]*\\) \\([^ ]*\\)\$/  {\"\\2\", (lt_ptr) \\&\\2},/p'"
+
+# This is the shared library runtime path variable.
+runpath_var=LD_RUN_PATH
+
+# This is the shared library path variable.
+shlibpath_var=LD_LIBRARY_PATH
+
+# Is shlibpath searched before the hard-coded library search path?
+shlibpath_overrides_runpath=no
+
+# How to hardcode a shared library path into an executable.
+hardcode_action=immediate
+
+# Whether we should hardcode library paths into libraries.
+hardcode_into_libs=yes
+
+# Flag to hardcode $libdir into a binary during linking.
+# This must work even if $libdir does not exist.
+hardcode_libdir_flag_spec="\${wl}--rpath \${wl}\$libdir"
+
+# If ld is used when linking, flag to hardcode $libdir into
+# a binary during linking. This must work even if $libdir does
+# not exist.
+hardcode_libdir_flag_spec_ld=""
+
+# Whether we need a single -rpath flag with a separated argument.
+hardcode_libdir_separator=""
+
+# Set to yes if using DIR/libNAME during linking hardcodes DIR into the
+# resulting binary.
+hardcode_direct=no
+
+# Set to yes if using the -LDIR flag during linking hardcodes DIR into the
+# resulting binary.
+hardcode_minus_L=no
+
+# Set to yes if using SHLIBPATH_VAR=DIR during linking hardcodes DIR into
+# the resulting binary.
+hardcode_shlibpath_var=unsupported
+
+# Set to yes if building a shared library automatically hardcodes DIR into the library
+# and all subsequent libraries and executables linked against it.
+hardcode_automatic=no
+
+# Variables whose values should be saved in libtool wrapper scripts and
+# restored at relink time.
+variables_saved_for_relink="PATH LD_LIBRARY_PATH LD_RUN_PATH GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH"
+
+# Whether libtool must link a program against all its dependency libraries.
+link_all_deplibs=unknown
+
+# Compile-time system search path for libraries
+sys_lib_search_path_spec=`echo " /usr/lib/gcc/i386-redhat-linux/3.4.6/ /usr/lib/gcc/i386-redhat-linux/3.4.6/ /usr/lib/gcc/i386-redhat-linux/3.4.6/../../../../i386-redhat-linux/lib/i386-redhat-linux/3.4.6/ /usr/lib/gcc/i386-redhat-linux/3.4.6/../../../../i386-redhat-linux/lib/ /usr/lib/gcc/i386-redhat-linux/3.4.6/../../../i386-redhat-linux/3.4.6/ /usr/lib/gcc/i386-redhat-linux/3.4.6/../../../ /lib/i386-redhat-linux/3.4.6/ /lib/ /usr/lib/i386-redhat-linux/3.4.6/ /usr/lib/" | $SED -e "s@${gcc_dir}@\${gcc_dir}@g;s@${gcc_ver}@\${gcc_ver}@g"`
+
+# Run-time system search path for libraries
+sys_lib_dlsearch_path_spec="/lib /usr/lib /usr/lib/octave-2.9.9 /usr/lib/qt-3.3/lib /usr/lib/qt4/lib "
+
+# Fix the shell variable $srcfile for the compiler.
+fix_srcfile_path=""
+
+# Set to yes if exported symbols are required.
+always_export_symbols=no
+
+# The commands to list exported symbols.
+export_symbols_cmds="\$NM \$libobjs \$convenience | \$global_symbol_pipe | \$SED 's/.* //' | sort | uniq > \$export_symbols"
+
+# The commands to extract the exported symbol list from a shared archive.
+extract_expsyms_cmds=""
+
+# Symbols that should not be listed in the preloaded symbols.
+exclude_expsyms="_GLOBAL_OFFSET_TABLE_"
+
+# Symbols that must always be exported.
+include_expsyms=""
+
+# ### END LIBTOOL TAG CONFIG: F77
+
diff --git a/AMDiS/src/ProblemVec.cc b/AMDiS/src/ProblemVec.cc
index 727a5767c9491dc17f2f916ed6ecbf7016954f3d..f4335ee01aa57b291031a5a8481d47068b8c72ab 100644
--- a/AMDiS/src/ProblemVec.cc
+++ b/AMDiS/src/ProblemVec.cc
@@ -369,7 +369,7 @@ namespace AMDiS {
     FUNCNAME("ProblemVec::createEstimator()");
 
     // create and set leaf data prototype
-    for (int i = 0; i < static_cast<int>(meshes.size()); i++)
+    for (unsigned int i = 0; i < meshes.size(); i++)
       meshes[i]->setElementDataPrototype
 	(new LeafDataEstimatableVec(new LeafDataCoarsenableVec));
 
@@ -393,18 +393,11 @@ namespace AMDiS {
       }
 
 
-      if (estimator[i]) {
-	MSG("Estimator fake to test different meshes ...\n");
-	WAIT_REALLY;
-	estimator[i]->addSystem((*systemMatrix)[i][i], 
-				solution->getDOFVector(i), 
-				rhs->getDOFVector(i));
-
-	// for (int j = 0; j < nComponents; j++)
-	//   estimator[i]->addSystem((*systemMatrix)[i][j], 
-	// 			   solution->getDOFVector(j), 
-	// 			   rhs->getDOFVector(j));
-      }
+      if (estimator[i])
+	for (int j = 0; j < nComponents; j++)
+	  estimator[i]->addSystem((*systemMatrix)[i][j], 
+				  solution->getDOFVector(j), 
+				  rhs->getDOFVector(j));      
     }
   }
 
@@ -1203,10 +1196,10 @@ namespace AMDiS {
 					   &rowElInfo, &colElInfo,
 					   &smallElInfo, &largeElInfo);
     while (cont) {
-      std::cout << "ROW = " << rowElInfo->getElement()->getIndex() << " "
- 		<< "COL = " << colElInfo->getElement()->getIndex() << " "
-		<< "SMA = " << smallElInfo->getElement()->getIndex() << " "
- 		<< "LAR = " << largeElInfo->getElement()->getIndex() << std::endl;
+//       std::cout << "ROW = " << rowElInfo->getElement()->getIndex() << " "
+//  		<< "COL = " << colElInfo->getElement()->getIndex() << " "
+// 		<< "SMA = " << smallElInfo->getElement()->getIndex() << " "
+//  		<< "LAR = " << largeElInfo->getElement()->getIndex() << std::endl;
       if (useGetBound)
 	basisFcts->getBound(rowElInfo, bound);
       
diff --git a/AMDiS/src/ResidualEstimator.cc b/AMDiS/src/ResidualEstimator.cc
index 8244dfd71471da85467cdbaa2f914c1d0a91b103..18e9cb025d41ca9e281a6636ef9e90df3c99eaf3 100644
--- a/AMDiS/src/ResidualEstimator.cc
+++ b/AMDiS/src/ResidualEstimator.cc
@@ -249,7 +249,7 @@ namespace AMDiS {
            
       // === Compute element residual. ===
       if (C0 > 0.0) {  
-	for (it = dofMat->getOperatorsBegin(), itfac = dofMat->getOperatorEstFactorBegin(); 
+	for (it = dofMat->getOperatorsBegin(), itfac = dofMat->getOperatorEstFactorBegin();
 	     it != dofMat->getOperatorsEnd();  ++it, ++itfac) {
 	  if (*itfac == NULL || **itfac != 0.0) {
 	    if (uhQP == NULL && (*it)->zeroOrderTerms()) {
@@ -278,8 +278,8 @@ namespace AMDiS {
 	  uhOldQP,
 	  NULL,  // grdUhOldQP 
 	  NULL,  // D2UhOldQP
-	  matrix[system], 
-	  fh[system],
+	  dofMat, 
+	  dofVec,
 	  quad,
 	  riq);
       }     
@@ -444,9 +444,9 @@ namespace AMDiS {
 	} 
       } 
        
-      val = fh[std::max(row, 0)]->
-	getBoundaryManager()->
+      val = fh[std::max(row, 0)]->getBoundaryManager()->
 	boundResidual(elInfo, matrix[std::max(row, 0)], uh[std::max(row, 0)]);
+
       if (norm == NO_NORM || norm == L2_NORM)
 	val *= C1 * h2;
       else
@@ -464,6 +464,7 @@ namespace AMDiS {
     elInfo->getElement()->setMark(0);  
   }
 
+
   void r(const ElInfo *elInfo,
 	 int nPoints,
 	 const double *uhIq,
@@ -481,57 +482,43 @@ namespace AMDiS {
     std::vector<double*>::iterator fac;
 
     // lhs
-    for (it = const_cast<DOFMatrix*>(A)->getOperatorsBegin(),
-	   fac = const_cast<DOFMatrix*>(A)->getOperatorEstFactorBegin(); 
-	 it != const_cast<DOFMatrix*>(A)->getOperatorsEnd(); 
-	 ++it, ++fac) {
+    for (it = A->getOperatorsBegin(), fac = A->getOperatorEstFactorBegin(); 
+	 it != A->getOperatorsEnd(); ++it, ++fac) {
      
       double factor = *fac ? **fac : 1.0;
 
       if (factor) {
-	if (D2UhIq) {
-	  (*it)->evalSecondOrder(nPoints, uhIq, grdUhIq, D2UhIq, result, -factor);
-	}
+	if (D2UhIq)
+	  (*it)->evalSecondOrder(nPoints, uhIq, grdUhIq, D2UhIq, result, -factor);	
 
 	if (grdUhIq) {
 	  (*it)->evalFirstOrderGrdPsi(nPoints, uhIq, grdUhIq, D2UhIq, result, factor);
 	  (*it)->evalFirstOrderGrdPhi(nPoints, uhIq, grdUhIq, D2UhIq, result, factor);
 	}
 	
-	if (uhIq) {
-	  (*it)->evalZeroOrder(nPoints, uhIq, grdUhIq, D2UhIq, result, factor);
-	}
+	if (uhIq)
+	  (*it)->evalZeroOrder(nPoints, uhIq, grdUhIq, D2UhIq, result, factor);	
       }
     }
     
     // rhs
-    for (it = const_cast<DOFVector<double>*>(fh)->getOperatorsBegin(),
-	 fac = const_cast<DOFVector<double>*>(fh)->getOperatorEstFactorBegin(); 
-	 it != const_cast<DOFVector<double>*>(fh)->getOperatorsEnd(); 
-	 ++it, ++fac) {
+    for (it = fh->getOperatorsBegin(), fac = fh->getOperatorEstFactorBegin(); 
+	 it != fh->getOperatorsEnd(); ++it, ++fac) {
 
       double factor = *fac ? **fac : 1.0;
 
       if (factor) {
 	if ((*it)->getUhOld()) {
-	  if (D2UhOldIq) {
-	    (*it)->evalSecondOrder(nPoints, 
-				   uhOldIq, grdUhOldIq, D2UhOldIq, 
-				   result, factor);
-	  }
+	  if (D2UhOldIq)
+	    (*it)->evalSecondOrder(nPoints, uhOldIq, grdUhOldIq, D2UhOldIq, result, factor);
+	  
 	  if (grdUhOldIq) {
-	    (*it)->evalFirstOrderGrdPsi(nPoints, 
-					uhOldIq, grdUhOldIq, D2UhOldIq, 
-					result, -factor);
-	    (*it)->evalFirstOrderGrdPhi(nPoints, 
-					uhOldIq, grdUhOldIq, D2UhOldIq, 
-					result, -factor);
-	  }
-	  if (uhOldIq) {
-	    (*it)->evalZeroOrder(nPoints, 
-				 uhOldIq, grdUhOldIq, D2UhOldIq, 
-				 result, -factor);
+	    (*it)->evalFirstOrderGrdPsi(nPoints, uhOldIq, grdUhOldIq, D2UhOldIq, result, -factor);
+	    (*it)->evalFirstOrderGrdPhi(nPoints, uhOldIq, grdUhOldIq, D2UhOldIq, result, -factor);
 	  }
+
+	  if (uhOldIq)
+	    (*it)->evalZeroOrder(nPoints, uhOldIq, grdUhOldIq, D2UhOldIq, result, -factor);	  
 	} else {
 	  std::vector<double> fx(nPoints, 0.0);
 	  (*it)->getC(elInfo, nPoints, fx);