diff --git a/clean.sh b/clean.sh
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diff --git a/documentation/doxygen_codeGuide/codeGuide b/documentation/doxygen_codeGuide/codeGuide
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diff --git a/documentation/doxygen_codeGuide/pafiXlogo.png b/documentation/doxygen_codeGuide/pafiXlogo.png
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diff --git a/input/input_example.dat b/input/input_example.dat
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diff --git a/monitor.plt b/monitor.plt
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diff --git a/run.sh b/run.sh
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diff --git a/src/COPYING b/src/COPYING
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diff --git a/src/bc.f90 b/src/bc.f90
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diff --git a/src/electrostatics.f90 b/src/electrostatics.f90
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diff --git a/src/fluid.f90 b/src/fluid.f90
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diff --git a/src/main.f90 b/src/main.f90
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diff --git a/src/makefile b/src/makefile
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index fd7dbe26bbb7b9888cf814e02676ed8697e2477c..29d2aed0d6deaada489820338d1df3695a8a3a29
--- a/src/makefile
+++ b/src/makefile
@@ -9,9 +9,9 @@ INC =
 # gcc:
 CMP = mpifort
 #O3: optimization
-#FLAGS   = -O3 -mcmodel=medium
+FLAGS   = -O3 -mcmodel=medium
 #debugging:
-FLAGS   = -g3 -O0 -fbounds-check -mcmodel=medium -fimplicit-none -fcheck=all -fbacktrace -floop-nest-optimize -ffpe-trap=invalid,zero,overflow -Wconversion -fno-tree-vectorize 
+#FLAGS   = -g3 -O0 -fbounds-check -mcmodel=medium -fimplicit-none -fcheck=all -fbacktrace -floop-nest-optimize -ffpe-trap=invalid,zero,overflow -Wconversion -fno-tree-vectorize 
 #-Wall
 FFLAGS  = -c $(FLAGS)
 
diff --git a/src/parallel.f90 b/src/parallel.f90
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diff --git a/src/particles.f90 b/src/particles.f90
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diff --git a/src/particlesTransport.f90 b/src/particlesTransport.f90
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diff --git a/src/post.f90 b/src/post.f90
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diff --git a/src/pre.f90 b/src/pre.f90
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diff --git a/src/restart.f90 b/src/restart.f90
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diff --git a/src/timestep.f90 b/src/timestep.f90
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diff --git a/src/write_vtk.f90 b/src/write_vtk.f90
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diff --git a/src/writedat_particles.f90 b/src/writedat_particles.f90
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