From 99d1cf2090c61741249befad629b6f9469021872 Mon Sep 17 00:00:00 2001
From: Gerasimos Chourdakis <chourdak@in.tum.de>
Date: Fri, 5 Apr 2024 18:00:57 +0200
Subject: [PATCH] Format preCICE config files

---
 .../precice-dummy-solver-config.xml           | 86 ++++++++++--------
 examples/dummysolver/test.xml                 | 45 ++++++----
 .../flow-over-cube-3d/precice-config.xml      | 82 ++++++++---------
 .../flow-over-square-2d/precice-config-pi.xml | 90 +++++++++----------
 .../precice-config-si-free-flow-first.xml     | 88 +++++++++---------
 .../precice-config-si-free-flow-second.xml    | 85 +++++++++---------
 6 files changed, 240 insertions(+), 236 deletions(-)

diff --git a/examples/dummysolver/precice-dummy-solver-config.xml b/examples/dummysolver/precice-dummy-solver-config.xml
index 80379d0..e7fddd5 100644
--- a/examples/dummysolver/precice-dummy-solver-config.xml
+++ b/examples/dummysolver/precice-dummy-solver-config.xml
@@ -1,20 +1,22 @@
-<?xml version="1.0"?>
-
+<?xml version="1.0" encoding="UTF-8" ?>
 <precice-configuration>
-
   <log>
-    <sink type="stream" output="stdout"  filter= "%Severity% > debug" format="preCICE:%ColorizedSeverity% %Message%" enabled="true" />
+    <sink
+      type="stream"
+      output="stdout"
+      filter="%Severity% > debug"
+      format="preCICE:%ColorizedSeverity% %Message%"
+      enabled="true" />
   </log>
-  <data:scalar name="scalarDataOne"  />
-  <data:scalar name="scalarDataTwo"  />
 
-  <data:vector name="vectorDataOne"  />
-  <data:vector name="vectorDataTwo"  />
+  <data:scalar name="scalarDataOne" />
+  <data:scalar name="scalarDataTwo" />
+  <data:vector name="vectorDataOne" />
+  <data:vector name="vectorDataTwo" />
 
   <mesh name="MeshOne" dimensions="3">
     <use-data name="scalarDataOne" />
     <use-data name="scalarDataTwo" />
-
     <use-data name="vectorDataOne" />
     <use-data name="vectorDataTwo" />
   </mesh>
@@ -22,45 +24,57 @@
   <mesh name="MeshTwo" dimensions="3">
     <use-data name="scalarDataOne" />
     <use-data name="scalarDataTwo" />
-
     <use-data name="vectorDataOne" />
     <use-data name="vectorDataTwo" />
   </mesh>
 
   <participant name="SolverOne">
-    <provide-mesh name="MeshOne"/>
-
+    <provide-mesh name="MeshOne" />
     <write-data name="scalarDataOne" mesh="MeshOne" />
     <write-data name="vectorDataOne" mesh="MeshOne" />
-    <read-data  name="scalarDataTwo" mesh="MeshOne" />
-    <read-data  name="vectorDataTwo" mesh="MeshOne" />
+    <read-data name="scalarDataTwo" mesh="MeshOne" />
+    <read-data name="vectorDataTwo" mesh="MeshOne" />
   </participant>
 
   <participant name="SolverTwo">
-    <receive-mesh name="MeshOne" from="SolverOne"/>
-    <provide-mesh name="MeshTwo"/>
-
-    <mapping:nearest-neighbor   direction="write" from="MeshTwo" to="MeshOne" constraint="conservative"/>
-    <mapping:nearest-neighbor direction="read"  from="MeshOne" to="MeshTwo" constraint="consistent" />
-
+    <receive-mesh name="MeshOne" from="SolverOne" />
+    <provide-mesh name="MeshTwo" />
+    <mapping:nearest-neighbor
+      direction="write"
+      from="MeshTwo"
+      to="MeshOne"
+      constraint="conservative" />
+    <mapping:nearest-neighbor
+      direction="read"
+      from="MeshOne"
+      to="MeshTwo"
+      constraint="consistent" />
     <write-data name="scalarDataTwo" mesh="MeshTwo" />
     <write-data name="vectorDataTwo" mesh="MeshTwo" />
-    <read-data  name="scalarDataOne" mesh="MeshTwo" />
-    <read-data  name="vectorDataOne" mesh="MeshTwo" />
+    <read-data name="scalarDataOne" mesh="MeshTwo" />
+    <read-data name="vectorDataOne" mesh="MeshTwo" />
   </participant>
 
-    <m2n:sockets acceptor="SolverOne" connector="SolverTwo" exchange-directory="."/>
-
-    <coupling-scheme:serial-implicit>
-      <participants first="SolverOne" second="SolverTwo" />
-      <max-time-windows value="2" />
-      <time-window-size value="1.0" />
-      <max-iterations value="2" />
-
-      <exchange data="scalarDataOne" mesh="MeshOne" from="SolverOne" to="SolverTwo" />
-      <exchange data="vectorDataOne" mesh="MeshOne" from="SolverOne" to="SolverTwo" />
-
-      <exchange data="scalarDataTwo" mesh="MeshOne" from="SolverTwo" to="SolverOne" initialize="yes"/>
-      <exchange data="vectorDataTwo" mesh="MeshOne" from="SolverTwo" to="SolverOne" initialize="yes"/>
-    </coupling-scheme:serial-implicit>
+  <m2n:sockets acceptor="SolverOne" connector="SolverTwo" exchange-directory="." />
+
+  <coupling-scheme:serial-implicit>
+    <participants first="SolverOne" second="SolverTwo" />
+    <max-time-windows value="2" />
+    <time-window-size value="1.0" />
+    <max-iterations value="2" />
+    <exchange data="scalarDataOne" mesh="MeshOne" from="SolverOne" to="SolverTwo" />
+    <exchange data="vectorDataOne" mesh="MeshOne" from="SolverOne" to="SolverTwo" />
+    <exchange
+      data="scalarDataTwo"
+      mesh="MeshOne"
+      from="SolverTwo"
+      to="SolverOne"
+      initialize="yes" />
+    <exchange
+      data="vectorDataTwo"
+      mesh="MeshOne"
+      from="SolverTwo"
+      to="SolverOne"
+      initialize="yes" />
+  </coupling-scheme:serial-implicit>
 </precice-configuration>
diff --git a/examples/dummysolver/test.xml b/examples/dummysolver/test.xml
index 106fae0..dc14347 100644
--- a/examples/dummysolver/test.xml
+++ b/examples/dummysolver/test.xml
@@ -1,13 +1,16 @@
-<?xml version="1.0"?>
-
+<?xml version="1.0" encoding="UTF-8" ?>
 <precice-configuration>
-
   <log>
-    <sink type="stream" output="stdout"  filter= "%Severity% > debug" format="preCICE:%ColorizedSeverity% %Message%" enabled="true" />
+    <sink
+      type="stream"
+      output="stdout"
+      filter="%Severity% > debug"
+      format="preCICE:%ColorizedSeverity% %Message%"
+      enabled="true" />
   </log>
 
-  <data:vector name="dataOne"  />
-  <data:vector name="dataTwo"  />
+  <data:vector name="dataOne" />
+  <data:vector name="dataTwo" />
 
   <mesh name="MeshOne" dimensions="3">
     <use-data name="dataOne" />
@@ -20,29 +23,37 @@
   </mesh>
 
   <participant name="SolverOne">
-    <provide-mesh name="MeshOne"/>
+    <provide-mesh name="MeshOne" />
     <write-data name="dataOne" mesh="MeshOne" />
-    <read-data  name="dataTwo" mesh="MeshOne" />
+    <read-data name="dataTwo" mesh="MeshOne" />
   </participant>
 
   <participant name="SolverTwo">
-    <receive-mesh name="MeshOne" from="SolverOne"/>
-    <provide-mesh name="MeshTwo"/>
-    <mapping:nearest-neighbor   direction="write" from="MeshTwo" to="MeshOne" constraint="conservative"/>
-    <mapping:nearest-neighbor direction="read"  from="MeshOne" to="MeshTwo" constraint="consistent" />
+    <receive-mesh name="MeshOne" from="SolverOne" />
+    <provide-mesh name="MeshTwo" />
+    <mapping:nearest-neighbor
+      direction="write"
+      from="MeshTwo"
+      to="MeshOne"
+      constraint="conservative" />
+    <mapping:nearest-neighbor
+      direction="read"
+      from="MeshOne"
+      to="MeshTwo"
+      constraint="consistent" />
     <write-data name="dataTwo" mesh="MeshTwo" />
-    <read-data  name="dataOne" mesh="MeshTwo" />
+    <read-data name="dataOne" mesh="MeshTwo" />
   </participant>
 
-  <m2n:sockets acceptor="SolverOne" connector="SolverTwo" exchange-directory=".."/>
- 
+  <m2n:sockets acceptor="SolverOne" connector="SolverTwo" exchange-directory=".." />
+
   <coupling-scheme:serial-implicit>
     <participants first="SolverOne" second="SolverTwo" />
     <max-time-windows value="2" />
     <time-window-size value="1.0" />
     <max-iterations value="2" />
-    <min-iteration-convergence-measure min-iterations="5" data="dataOne" mesh="MeshOne"/>
+    <min-iteration-convergence-measure min-iterations="5" data="dataOne" mesh="MeshOne" />
     <exchange data="dataOne" mesh="MeshOne" from="SolverOne" to="SolverTwo" />
-    <exchange data="dataTwo" mesh="MeshOne" from="SolverTwo" to="SolverOne"/>
+    <exchange data="dataTwo" mesh="MeshOne" from="SolverTwo" to="SolverOne" />
   </coupling-scheme:serial-implicit>
 </precice-configuration>
diff --git a/examples/ff-pm/flow-over-cube-3d/precice-config.xml b/examples/ff-pm/flow-over-cube-3d/precice-config.xml
index d21621d..1e9791e 100644
--- a/examples/ff-pm/flow-over-cube-3d/precice-config.xml
+++ b/examples/ff-pm/flow-over-cube-3d/precice-config.xml
@@ -1,14 +1,16 @@
-<?xml version="1.0"?>
-
+<?xml version="1.0" encoding="UTF-8" ?>
 <precice-configuration>
   <log>
-    <sink type="stream" output="stdout"  filter= "(%Severity% > debug) or (%Severity% >= trace and %Module% contains SolverInterfaceImpl)"  enabled="false" />
-    <sink type="stream" output="stdout"  enabled="false" />
+    <sink
+      type="stream"
+      output="stdout"
+      filter="(%Severity% > debug) or (%Severity% >= trace and %Module% contains SolverInterfaceImpl)"
+      enabled="false" />
+    <sink type="stream" output="stdout" enabled="false" />
   </log>
 
-
-  <data:scalar name="Velocity"/>
-  <data:scalar name="Pressure"/>
+  <data:scalar name="Velocity" />
+  <data:scalar name="Pressure" />
 
   <mesh name="FreeFlowMesh" dimensions="3">
     <use-data name="Velocity" />
@@ -21,54 +23,48 @@
   </mesh>
 
   <participant name="FreeFlow">
-    <provide-mesh name="FreeFlowMesh"/>
-    <receive-mesh name="DarcyMesh" from="Darcy"/>
-
-    <read-data name="Velocity" mesh="FreeFlowMesh"/>
-    <write-data name="Pressure" mesh="FreeFlowMesh"/>
-
-    <mapping:nearest-neighbor direction="write" from="FreeFlowMesh" to="DarcyMesh" constraint="consistent"/>
-    <mapping:nearest-neighbor direction="read" from="DarcyMesh" to="FreeFlowMesh" constraint="consistent"/>
+    <provide-mesh name="FreeFlowMesh" />
+    <receive-mesh name="DarcyMesh" from="Darcy" />
+    <read-data name="Velocity" mesh="FreeFlowMesh" />
+    <write-data name="Pressure" mesh="FreeFlowMesh" />
+    <mapping:nearest-neighbor
+      direction="write"
+      from="FreeFlowMesh"
+      to="DarcyMesh"
+      constraint="consistent" />
+    <mapping:nearest-neighbor
+      direction="read"
+      from="DarcyMesh"
+      to="FreeFlowMesh"
+      constraint="consistent" />
   </participant>
 
   <participant name="Darcy">
-    <provide-mesh name="DarcyMesh"/>
-
-    <read-data name="Pressure" mesh="DarcyMesh"/>
-    <write-data name="Velocity" mesh="DarcyMesh"/>
+    <provide-mesh name="DarcyMesh" />
+    <read-data name="Pressure" mesh="DarcyMesh" />
+    <write-data name="Velocity" mesh="DarcyMesh" />
   </participant>
 
   <m2n:sockets acceptor="FreeFlow" connector="Darcy" network="lo" />
 
-
   <coupling-scheme:serial-implicit>
-    <max-time value="1"/>
+    <max-time value="1" />
     <time-window-size value="1" />
-    <max-iterations value="100"/>
-
-
-    <participants first="FreeFlow" second="Darcy"/>
+    <max-iterations value="100" />
+    <participants first="FreeFlow" second="Darcy" />
     <exchange data="Pressure" mesh="DarcyMesh" from="FreeFlow" to="Darcy" initialize="false" />
     <exchange data="Velocity" mesh="DarcyMesh" from="Darcy" to="FreeFlow" initialize="true" />
-
-    <relative-convergence-measure limit="1e-8" data="Pressure" mesh="DarcyMesh"/>
-    <relative-convergence-measure limit="1e-8" data="Velocity" mesh="DarcyMesh"/>
-
-
-       <!--
+    <relative-convergence-measure limit="1e-8" data="Pressure" mesh="DarcyMesh" />
+    <relative-convergence-measure limit="1e-8" data="Velocity" mesh="DarcyMesh" />
+    <!--
        <relative-convergence-measure limit="1.0e-2" data="Velocity" mesh="FreeFlowMesh"/>
        -->
-
-
-      <acceleration:IQN-ILS>
-          <data mesh="DarcyMesh" name="Velocity" />
-          <initial-relaxation value="0.1" />
-          <max-used-iterations value="40" />
-          <time-windows-reused value="10" />
-          <filter type="QR2" limit="1e-3" />
-      </acceleration:IQN-ILS>
-
-
+    <acceleration:IQN-ILS>
+      <data mesh="DarcyMesh" name="Velocity" />
+      <initial-relaxation value="0.1" />
+      <max-used-iterations value="40" />
+      <time-windows-reused value="10" />
+      <filter type="QR2" limit="1e-3" />
+    </acceleration:IQN-ILS>
   </coupling-scheme:serial-implicit>
 </precice-configuration>
-
diff --git a/examples/ff-pm/flow-over-square-2d/precice-config-pi.xml b/examples/ff-pm/flow-over-square-2d/precice-config-pi.xml
index 853e4ae..8da67f1 100644
--- a/examples/ff-pm/flow-over-square-2d/precice-config-pi.xml
+++ b/examples/ff-pm/flow-over-square-2d/precice-config-pi.xml
@@ -1,14 +1,16 @@
-<?xml version="1.0"?>
-
+<?xml version="1.0" encoding="UTF-8" ?>
 <precice-configuration>
   <log>
-    <sink type="stream" output="stdout"  filter= "(%Severity% > debug) or (%Severity% >= trace and %Module% contains SolverInterfaceImpl)"  enabled="false" />
-    <sink type="stream" output="stdout"  enabled="false" />
+    <sink
+      type="stream"
+      output="stdout"
+      filter="(%Severity% > debug) or (%Severity% >= trace and %Module% contains SolverInterfaceImpl)"
+      enabled="false" />
+    <sink type="stream" output="stdout" enabled="false" />
   </log>
 
-
-  <data:scalar name="Velocity"/>
-  <data:scalar name="Pressure"/>
+  <data:scalar name="Velocity" />
+  <data:scalar name="Pressure" />
 
   <mesh name="FreeFlowMesh" dimensions="2">
     <use-data name="Velocity" />
@@ -21,60 +23,52 @@
   </mesh>
 
   <participant name="FreeFlow">
-    <provide-mesh name="FreeFlowMesh"/>
-    <receive-mesh name="DarcyMesh" from="Darcy"/>
-
-    <read-data name="Velocity" mesh="FreeFlowMesh"/>
-    <write-data name="Pressure" mesh="FreeFlowMesh"/>
-
-    <mapping:nearest-neighbor direction="write" from="FreeFlowMesh" to="DarcyMesh" constraint="consistent"/>
-    <mapping:nearest-neighbor direction="read" from="DarcyMesh" to="FreeFlowMesh" constraint="consistent"/>
-
+    <provide-mesh name="FreeFlowMesh" />
+    <receive-mesh name="DarcyMesh" from="Darcy" />
+    <read-data name="Velocity" mesh="FreeFlowMesh" />
+    <write-data name="Pressure" mesh="FreeFlowMesh" />
+    <mapping:nearest-neighbor
+      direction="write"
+      from="FreeFlowMesh"
+      to="DarcyMesh"
+      constraint="consistent" />
+    <mapping:nearest-neighbor
+      direction="read"
+      from="DarcyMesh"
+      to="FreeFlowMesh"
+      constraint="consistent" />
   </participant>
 
   <participant name="Darcy">
     <provide-mesh name="DarcyMesh" />
-
-    <read-data name="Pressure" mesh="DarcyMesh"/>
-    <write-data name="Velocity" mesh="DarcyMesh"/>
+    <read-data name="Pressure" mesh="DarcyMesh" />
+    <write-data name="Velocity" mesh="DarcyMesh" />
   </participant>
 
   <m2n:sockets acceptor="FreeFlow" connector="Darcy" network="lo" />
 
-
   <coupling-scheme:parallel-implicit>
-    <max-time value="1"/>
+    <max-time value="1" />
     <time-window-size value="1" />
-    <max-iterations value="100"/>
-
-
-    <participants first="FreeFlow" second="Darcy"/>
+    <max-iterations value="100" />
+    <participants first="FreeFlow" second="Darcy" />
     <exchange data="Pressure" mesh="DarcyMesh" from="FreeFlow" to="Darcy" initialize="false" />
     <exchange data="Velocity" mesh="DarcyMesh" from="Darcy" to="FreeFlow" initialize="true" />
-
-    <relative-convergence-measure limit="1e-6" data="Pressure" mesh="DarcyMesh"/>
-    <relative-convergence-measure limit="1e-6" data="Velocity" mesh="DarcyMesh"/>
-
-    <absolute-convergence-measure limit="1e-8" data="Pressure" mesh="DarcyMesh"/>
-    <absolute-convergence-measure limit="1e-8" data="Velocity" mesh="DarcyMesh"/>
-
-
-      <!--
+    <relative-convergence-measure limit="1e-6" data="Pressure" mesh="DarcyMesh" />
+    <relative-convergence-measure limit="1e-6" data="Velocity" mesh="DarcyMesh" />
+    <absolute-convergence-measure limit="1e-8" data="Pressure" mesh="DarcyMesh" />
+    <absolute-convergence-measure limit="1e-8" data="Velocity" mesh="DarcyMesh" />
+    <!--
       <relative-convergence-measure limit="1.0e-2" data="Velocity" mesh="FreeFlowMesh"/>
       -->
-
-
-      <acceleration:IQN-ILS>
-          <data mesh="DarcyMesh" name="Pressure" />
-          <data mesh="DarcyMesh" name="Velocity" />
-          <preconditioner type="residual-sum"/>
-          <initial-relaxation value="0.1" />
-          <max-used-iterations value="40" />
-          <time-windows-reused value="10" />
-          <filter type="QR2" limit="1e-3" />
-      </acceleration:IQN-ILS>
-
-
+    <acceleration:IQN-ILS>
+      <data mesh="DarcyMesh" name="Pressure" />
+      <data mesh="DarcyMesh" name="Velocity" />
+      <preconditioner type="residual-sum" />
+      <initial-relaxation value="0.1" />
+      <max-used-iterations value="40" />
+      <time-windows-reused value="10" />
+      <filter type="QR2" limit="1e-3" />
+    </acceleration:IQN-ILS>
   </coupling-scheme:parallel-implicit>
 </precice-configuration>
-
diff --git a/examples/ff-pm/flow-over-square-2d/precice-config-si-free-flow-first.xml b/examples/ff-pm/flow-over-square-2d/precice-config-si-free-flow-first.xml
index 54197b5..0450b51 100644
--- a/examples/ff-pm/flow-over-square-2d/precice-config-si-free-flow-first.xml
+++ b/examples/ff-pm/flow-over-square-2d/precice-config-si-free-flow-first.xml
@@ -1,16 +1,18 @@
-<?xml version="1.0"?>
-
+<?xml version="1.0" encoding="UTF-8" ?>
 <precice-configuration>
   <log>
-    <sink type="stream" output="stdout"  filter= "(%Severity% > debug) or (%Severity% >= trace and %Module% contains SolverInterfaceImpl)"  enabled="false" />
-    <sink type="stream" output="stdout"  enabled="false" />
+    <sink
+      type="stream"
+      output="stdout"
+      filter="(%Severity% > debug) or (%Severity% >= trace and %Module% contains SolverInterfaceImpl)"
+      enabled="false" />
+    <sink type="stream" output="stdout" enabled="false" />
   </log>
 
+  <data:scalar name="Velocity" />
+  <data:scalar name="Pressure" />
 
-  <data:scalar name="Velocity"/>
-  <data:scalar name="Pressure"/>
-
-  <mesh name="FreeFlowMesh"  dimensions="2">
+  <mesh name="FreeFlowMesh" dimensions="2">
     <use-data name="Velocity" />
     <use-data name="Pressure" />
   </mesh>
@@ -22,58 +24,50 @@
 
   <participant name="FreeFlow">
     <provide-mesh name="FreeFlowMesh" />
-    <receive-mesh name="DarcyMesh" from="Darcy"/>
-
-    <read-data name="Velocity" mesh="FreeFlowMesh"/>
-    <write-data name="Pressure" mesh="FreeFlowMesh"/>
-
-    <mapping:nearest-neighbor direction="write" from="FreeFlowMesh" to="DarcyMesh" constraint="consistent"/>
-    <mapping:nearest-neighbor direction="read" from="DarcyMesh" to="FreeFlowMesh" constraint="consistent"/>
-
+    <receive-mesh name="DarcyMesh" from="Darcy" />
+    <read-data name="Velocity" mesh="FreeFlowMesh" />
+    <write-data name="Pressure" mesh="FreeFlowMesh" />
+    <mapping:nearest-neighbor
+      direction="write"
+      from="FreeFlowMesh"
+      to="DarcyMesh"
+      constraint="consistent" />
+    <mapping:nearest-neighbor
+      direction="read"
+      from="DarcyMesh"
+      to="FreeFlowMesh"
+      constraint="consistent" />
   </participant>
 
   <participant name="Darcy">
     <provide-mesh name="DarcyMesh" />
-
-    <read-data name="Pressure" mesh="DarcyMesh"/>
-    <write-data name="Velocity" mesh="DarcyMesh"/>
+    <read-data name="Pressure" mesh="DarcyMesh" />
+    <write-data name="Velocity" mesh="DarcyMesh" />
   </participant>
 
   <m2n:sockets acceptor="FreeFlow" connector="Darcy" network="lo" />
 
-
   <coupling-scheme:serial-implicit>
-    <max-time value="1"/>
+    <max-time value="1" />
     <time-window-size value="1" />
-    <max-iterations value="100"/>
-
-
-    <participants first="FreeFlow" second="Darcy"/>
+    <max-iterations value="100" />
+    <participants first="FreeFlow" second="Darcy" />
     <exchange data="Pressure" mesh="DarcyMesh" from="FreeFlow" to="Darcy" initialize="false" />
     <exchange data="Velocity" mesh="DarcyMesh" from="Darcy" to="FreeFlow" initialize="true" />
-
-    <relative-convergence-measure limit="1e-6" data="Pressure" mesh="DarcyMesh"/>
-    <relative-convergence-measure limit="1e-6" data="Velocity" mesh="DarcyMesh"/>
-
-    <absolute-convergence-measure limit="1e-8" data="Pressure" mesh="DarcyMesh"/>
-    <absolute-convergence-measure limit="1e-8" data="Velocity" mesh="DarcyMesh"/>
-
-
-      <!--
+    <relative-convergence-measure limit="1e-6" data="Pressure" mesh="DarcyMesh" />
+    <relative-convergence-measure limit="1e-6" data="Velocity" mesh="DarcyMesh" />
+    <absolute-convergence-measure limit="1e-8" data="Pressure" mesh="DarcyMesh" />
+    <absolute-convergence-measure limit="1e-8" data="Velocity" mesh="DarcyMesh" />
+    <!--
       <relative-convergence-measure limit="1.0e-2" data="Velocity" mesh="FreeFlowMesh"/>
       -->
-
-
-      <acceleration:IQN-ILS>
-          <data mesh="DarcyMesh" name="Velocity" />
-          <preconditioner type="residual-sum"/>
-          <initial-relaxation value="0.1" />
-          <max-used-iterations value="40" />
-          <time-windows-reused value="10" />
-          <filter type="QR2" limit="1e-3" />
-      </acceleration:IQN-ILS>
-
-
+    <acceleration:IQN-ILS>
+      <data mesh="DarcyMesh" name="Velocity" />
+      <preconditioner type="residual-sum" />
+      <initial-relaxation value="0.1" />
+      <max-used-iterations value="40" />
+      <time-windows-reused value="10" />
+      <filter type="QR2" limit="1e-3" />
+    </acceleration:IQN-ILS>
   </coupling-scheme:serial-implicit>
 </precice-configuration>
-
diff --git a/examples/ff-pm/flow-over-square-2d/precice-config-si-free-flow-second.xml b/examples/ff-pm/flow-over-square-2d/precice-config-si-free-flow-second.xml
index 1d15bd7..792bb8a 100644
--- a/examples/ff-pm/flow-over-square-2d/precice-config-si-free-flow-second.xml
+++ b/examples/ff-pm/flow-over-square-2d/precice-config-si-free-flow-second.xml
@@ -1,13 +1,16 @@
-<?xml version="1.0"?>
-
+<?xml version="1.0" encoding="UTF-8" ?>
 <precice-configuration>
   <log>
-    <sink type="stream" output="stdout"  filter= "(%Severity% > debug) or (%Severity% >= trace and %Module% contains SolverInterfaceImpl)"  enabled="false" />
-    <sink type="stream" output="stdout"  enabled="false" />
+    <sink
+      type="stream"
+      output="stdout"
+      filter="(%Severity% > debug) or (%Severity% >= trace and %Module% contains SolverInterfaceImpl)"
+      enabled="false" />
+    <sink type="stream" output="stdout" enabled="false" />
   </log>
 
-  <data:scalar name="Velocity"/>
-  <data:scalar name="Pressure"/>
+  <data:scalar name="Velocity" />
+  <data:scalar name="Pressure" />
 
   <mesh name="FreeFlowMesh" dimensions="2">
     <use-data name="Velocity" />
@@ -21,58 +24,50 @@
 
   <participant name="FreeFlow">
     <provide-mesh name="FreeFlowMesh" />
-    <receive-mesh name="DarcyMesh" from="Darcy"/>
-
-    <read-data name="Velocity" mesh="FreeFlowMesh"/>
-    <write-data name="Pressure" mesh="FreeFlowMesh"/>
-
-    <mapping:nearest-neighbor direction="write" from="FreeFlowMesh" to="DarcyMesh" constraint="consistent"/>
-    <mapping:nearest-neighbor direction="read" from="DarcyMesh" to="FreeFlowMesh" constraint="consistent"/>
-
+    <receive-mesh name="DarcyMesh" from="Darcy" />
+    <read-data name="Velocity" mesh="FreeFlowMesh" />
+    <write-data name="Pressure" mesh="FreeFlowMesh" />
+    <mapping:nearest-neighbor
+      direction="write"
+      from="FreeFlowMesh"
+      to="DarcyMesh"
+      constraint="consistent" />
+    <mapping:nearest-neighbor
+      direction="read"
+      from="DarcyMesh"
+      to="FreeFlowMesh"
+      constraint="consistent" />
   </participant>
 
   <participant name="Darcy">
     <provide-mesh name="DarcyMesh" />
-
-    <read-data name="Pressure" mesh="DarcyMesh"/>
-    <write-data name="Velocity" mesh="DarcyMesh"/>
+    <read-data name="Pressure" mesh="DarcyMesh" />
+    <write-data name="Velocity" mesh="DarcyMesh" />
   </participant>
 
   <m2n:sockets acceptor="FreeFlow" connector="Darcy" network="lo" />
 
-
   <coupling-scheme:serial-implicit>
-    <max-time value="1"/>
+    <max-time value="1" />
     <time-window-size value="1" />
-    <max-iterations value="100"/>
-
-
-    <participants first="Darcy" second="FreeFlow"/>
+    <max-iterations value="100" />
+    <participants first="Darcy" second="FreeFlow" />
     <exchange data="Pressure" mesh="DarcyMesh" from="FreeFlow" to="Darcy" initialize="true" />
     <exchange data="Velocity" mesh="DarcyMesh" from="Darcy" to="FreeFlow" initialize="false" />
-
-    <relative-convergence-measure limit="1e-6" data="Pressure" mesh="DarcyMesh"/>
-    <relative-convergence-measure limit="1e-6" data="Velocity" mesh="DarcyMesh"/>
-
-    <absolute-convergence-measure limit="1e-8" data="Pressure" mesh="DarcyMesh"/>
-    <absolute-convergence-measure limit="1e-8" data="Velocity" mesh="DarcyMesh"/>
-
-
-      <!--
+    <relative-convergence-measure limit="1e-6" data="Pressure" mesh="DarcyMesh" />
+    <relative-convergence-measure limit="1e-6" data="Velocity" mesh="DarcyMesh" />
+    <absolute-convergence-measure limit="1e-8" data="Pressure" mesh="DarcyMesh" />
+    <absolute-convergence-measure limit="1e-8" data="Velocity" mesh="DarcyMesh" />
+    <!--
       <relative-convergence-measure limit="1.0e-2" data="Velocity" mesh="FreeFlowMesh"/>
       -->
-
-
-      <acceleration:IQN-ILS>
-          <data mesh="DarcyMesh" name="Pressure" />
-          <preconditioner type="residual-sum"/>
-          <initial-relaxation value="0.1" />
-          <max-used-iterations value="40" />
-          <time-windows-reused value="10" />
-          <filter type="QR2" limit="1e-3" />
-      </acceleration:IQN-ILS>
-
-
+    <acceleration:IQN-ILS>
+      <data mesh="DarcyMesh" name="Pressure" />
+      <preconditioner type="residual-sum" />
+      <initial-relaxation value="0.1" />
+      <max-used-iterations value="40" />
+      <time-windows-reused value="10" />
+      <filter type="QR2" limit="1e-3" />
+    </acceleration:IQN-ILS>
   </coupling-scheme:serial-implicit>
 </precice-configuration>
-