From 1b5f3eea1490de3b557cadfeae2b75bdca6bfc08 Mon Sep 17 00:00:00 2001
From: Igor Sfiligoi <isfiligoi@sdsc.edu>
Date: Wed, 2 Oct 2024 09:23:38 -0700
Subject: [PATCH] Add support for restart regression tests (#410)

* Add restart regression tests to cgyro

* Add restart spec files for the regression tests

---------

Co-authored-by: Igor Sfiligoi <igor.sfiligoi@ga.com>
---
 cgyro/bin/cgyro                          |  13 ++-
 cgyro/tools/input/reg01/out.cgyro.prec.1 |   8 ++
 cgyro/tools/input/reg01/out.cgyro.prec.2 |  12 +++
 cgyro/tools/input/reg02/out.cgyro.prec.1 |   8 ++
 cgyro/tools/input/reg02/out.cgyro.prec.2 |  12 +++
 cgyro/tools/input/reg03/out.cgyro.prec.1 |   8 ++
 cgyro/tools/input/reg03/out.cgyro.prec.2 |  12 +++
 cgyro/tools/input/reg04/out.cgyro.prec.1 |   8 ++
 cgyro/tools/input/reg04/out.cgyro.prec.2 |  12 +++
 cgyro/tools/input/reg05/out.cgyro.prec.1 |   8 ++
 cgyro/tools/input/reg05/out.cgyro.prec.2 |  12 +++
 cgyro/tools/input/reg06/out.cgyro.prec.1 |   8 ++
 cgyro/tools/input/reg06/out.cgyro.prec.2 |  12 +++
 cgyro/tools/input/reg07/out.cgyro.prec.1 |   8 ++
 cgyro/tools/input/reg07/out.cgyro.prec.2 |  12 +++
 cgyro/tools/input/reg08/out.cgyro.prec.1 |   8 ++
 cgyro/tools/input/reg08/out.cgyro.prec.2 |   9 ++
 cgyro/tools/input/reg09/out.cgyro.prec.1 |   8 ++
 cgyro/tools/input/reg09/out.cgyro.prec.2 |  12 +++
 cgyro/tools/input/reg10/out.cgyro.prec.1 |   8 ++
 cgyro/tools/input/reg10/out.cgyro.prec.2 |  12 +++
 cgyro/tools/input/reg11/out.cgyro.prec.1 |  16 +++
 cgyro/tools/input/reg11/out.cgyro.prec.2 |  24 +++++
 cgyro/tools/input/reg12/out.cgyro.prec.1 |  80 +++++++++++++++
 cgyro/tools/input/reg12/out.cgyro.prec.2 | 120 +++++++++++++++++++++++
 cgyro/tools/input/reg13/out.cgyro.prec.1 |   8 ++
 cgyro/tools/input/reg13/out.cgyro.prec.2 |  12 +++
 cgyro/tools/input/reg14/out.cgyro.prec.1 |   8 ++
 cgyro/tools/input/reg14/out.cgyro.prec.2 |  12 +++
 cgyro/tools/input/reg15/out.cgyro.prec.1 |   8 ++
 cgyro/tools/input/reg15/out.cgyro.prec.2 |  10 ++
 cgyro/tools/input/reg16/out.cgyro.prec.1 |   8 ++
 cgyro/tools/input/reg16/out.cgyro.prec.2 |  12 +++
 cgyro/tools/input/reg17/out.cgyro.prec.1 |   8 ++
 cgyro/tools/input/reg17/out.cgyro.prec.2 |  12 +++
 cgyro/tools/input/reg18/out.cgyro.prec.1 |   8 ++
 cgyro/tools/input/reg18/out.cgyro.prec.2 |  12 +++
 cgyro/tools/input/reg19/out.cgyro.prec.1 |   8 ++
 cgyro/tools/input/reg19/out.cgyro.prec.2 |  12 +++
 cgyro/tools/input/reg20/out.cgyro.prec.1 |   8 ++
 cgyro/tools/input/reg20/out.cgyro.prec.2 |  12 +++
 cgyro/tools/input/reg21/out.cgyro.prec.1 |   8 ++
 cgyro/tools/input/reg21/out.cgyro.prec.2 |  12 +++
 cgyro/tools/input/reg22/out.cgyro.prec.1 |   8 ++
 cgyro/tools/input/reg22/out.cgyro.prec.2 |  12 +++
 shared/bin/gacode_reg_do_restart         | 101 +++++++++++++++++++
 46 files changed, 748 insertions(+), 1 deletion(-)
 create mode 100644 cgyro/tools/input/reg01/out.cgyro.prec.1
 create mode 100644 cgyro/tools/input/reg01/out.cgyro.prec.2
 create mode 100644 cgyro/tools/input/reg02/out.cgyro.prec.1
 create mode 100644 cgyro/tools/input/reg02/out.cgyro.prec.2
 create mode 100644 cgyro/tools/input/reg03/out.cgyro.prec.1
 create mode 100644 cgyro/tools/input/reg03/out.cgyro.prec.2
 create mode 100644 cgyro/tools/input/reg04/out.cgyro.prec.1
 create mode 100644 cgyro/tools/input/reg04/out.cgyro.prec.2
 create mode 100644 cgyro/tools/input/reg05/out.cgyro.prec.1
 create mode 100644 cgyro/tools/input/reg05/out.cgyro.prec.2
 create mode 100644 cgyro/tools/input/reg06/out.cgyro.prec.1
 create mode 100644 cgyro/tools/input/reg06/out.cgyro.prec.2
 create mode 100644 cgyro/tools/input/reg07/out.cgyro.prec.1
 create mode 100644 cgyro/tools/input/reg07/out.cgyro.prec.2
 create mode 100644 cgyro/tools/input/reg08/out.cgyro.prec.1
 create mode 100644 cgyro/tools/input/reg08/out.cgyro.prec.2
 create mode 100644 cgyro/tools/input/reg09/out.cgyro.prec.1
 create mode 100644 cgyro/tools/input/reg09/out.cgyro.prec.2
 create mode 100644 cgyro/tools/input/reg10/out.cgyro.prec.1
 create mode 100644 cgyro/tools/input/reg10/out.cgyro.prec.2
 create mode 100644 cgyro/tools/input/reg11/out.cgyro.prec.1
 create mode 100644 cgyro/tools/input/reg11/out.cgyro.prec.2
 create mode 100644 cgyro/tools/input/reg12/out.cgyro.prec.1
 create mode 100644 cgyro/tools/input/reg12/out.cgyro.prec.2
 create mode 100644 cgyro/tools/input/reg13/out.cgyro.prec.1
 create mode 100644 cgyro/tools/input/reg13/out.cgyro.prec.2
 create mode 100644 cgyro/tools/input/reg14/out.cgyro.prec.1
 create mode 100644 cgyro/tools/input/reg14/out.cgyro.prec.2
 create mode 100644 cgyro/tools/input/reg15/out.cgyro.prec.1
 create mode 100644 cgyro/tools/input/reg15/out.cgyro.prec.2
 create mode 100644 cgyro/tools/input/reg16/out.cgyro.prec.1
 create mode 100644 cgyro/tools/input/reg16/out.cgyro.prec.2
 create mode 100644 cgyro/tools/input/reg17/out.cgyro.prec.1
 create mode 100644 cgyro/tools/input/reg17/out.cgyro.prec.2
 create mode 100644 cgyro/tools/input/reg18/out.cgyro.prec.1
 create mode 100644 cgyro/tools/input/reg18/out.cgyro.prec.2
 create mode 100644 cgyro/tools/input/reg19/out.cgyro.prec.1
 create mode 100644 cgyro/tools/input/reg19/out.cgyro.prec.2
 create mode 100644 cgyro/tools/input/reg20/out.cgyro.prec.1
 create mode 100644 cgyro/tools/input/reg20/out.cgyro.prec.2
 create mode 100644 cgyro/tools/input/reg21/out.cgyro.prec.1
 create mode 100644 cgyro/tools/input/reg21/out.cgyro.prec.2
 create mode 100644 cgyro/tools/input/reg22/out.cgyro.prec.1
 create mode 100644 cgyro/tools/input/reg22/out.cgyro.prec.2
 create mode 100755 shared/bin/gacode_reg_do_restart

diff --git a/cgyro/bin/cgyro b/cgyro/bin/cgyro
index 2d4652aa5..01ef54795 100755
--- a/cgyro/bin/cgyro
+++ b/cgyro/bin/cgyro
@@ -53,6 +53,9 @@ then
   echo "         -rs <case>"
   echo "         Run specified regression case."
   echo
+  echo "         -rt"
+  echo "         Enable restart regression testing."
+  echo
   echo "         -reset"
   echo "         Reset regression data."
   echo
@@ -104,6 +107,7 @@ MPINUMA=0
 TEST_FLAG=0
 GENERATE_FLAG=0
 REGRESS_FLAG=0
+REGRESS_RESTART=0
 MTEST_FLAG=0
 CLEAN=0
 COMPRESS_FLAG=0
@@ -142,6 +146,8 @@ while [ $# -gt 0 ] ; do
 
   -rs) REGRESS_FLAG=1 ; shift ; SCASE=$1 ;;
 
+  -rt) REGRESS_RESTART=1 ;;
+
   -reset) RESET=1 ;;
 
   -m) MTEST_FLAG=1 ;;
@@ -219,7 +225,12 @@ then
       exit 1
    fi
    # NOMP=1 RESET=0
-   gacode_reg_do $NPROC $NOMP $RESET cgyro 1e-6 $SCASE
+   if [ $REGRESS_RESTART -eq 0 ]
+   then
+      gacode_reg_do $NPROC $NOMP $RESET cgyro 1e-6 $SCASE
+   else
+      gacode_reg_do_restart $NPROC $NOMP $RESET cgyro 1e-6 $SCASE
+   fi
    exit 0
 fi
 #============================================================
diff --git a/cgyro/tools/input/reg01/out.cgyro.prec.1 b/cgyro/tools/input/reg01/out.cgyro.prec.1
new file mode 100644
index 000000000..d0575a24a
--- /dev/null
+++ b/cgyro/tools/input/reg01/out.cgyro.prec.1
@@ -0,0 +1,8 @@
+2.013013119164E+00
+2.486568726776E+00
+2.559561538001E+00
+2.473776730333E+00
+2.420263807834E+00
+2.396080604402E+00
+2.402558768716E+00
+2.425182399755E+00
diff --git a/cgyro/tools/input/reg01/out.cgyro.prec.2 b/cgyro/tools/input/reg01/out.cgyro.prec.2
new file mode 100644
index 000000000..f68737c0b
--- /dev/null
+++ b/cgyro/tools/input/reg01/out.cgyro.prec.2
@@ -0,0 +1,12 @@
+2.013013119164E+00
+2.486568726776E+00
+2.559561538001E+00
+2.473776730333E+00
+2.420263807834E+00
+2.396080604402E+00
+2.402558768716E+00
+2.425182399755E+00
+2.454628140585E+00
+2.483013963694E+00
+2.505870980565E+00
+2.521047993198E+00
diff --git a/cgyro/tools/input/reg02/out.cgyro.prec.1 b/cgyro/tools/input/reg02/out.cgyro.prec.1
new file mode 100644
index 000000000..5b4dccf95
--- /dev/null
+++ b/cgyro/tools/input/reg02/out.cgyro.prec.1
@@ -0,0 +1,8 @@
+1.979346853662E+00
+2.508012799496E+00
+2.574077406326E+00
+2.504034806000E+00
+2.452071665652E+00
+2.433113352374E+00
+2.443397378591E+00
+2.469445542057E+00
diff --git a/cgyro/tools/input/reg02/out.cgyro.prec.2 b/cgyro/tools/input/reg02/out.cgyro.prec.2
new file mode 100644
index 000000000..24ae6f96a
--- /dev/null
+++ b/cgyro/tools/input/reg02/out.cgyro.prec.2
@@ -0,0 +1,12 @@
+1.979346853662E+00
+2.508012799496E+00
+2.574077406326E+00
+2.504034806000E+00
+2.452071665652E+00
+2.433113352374E+00
+2.443397378591E+00
+2.469445542057E+00
+2.500154168710E+00
+2.527804972465E+00
+2.548148846507E+00
+2.559807893916E+00
diff --git a/cgyro/tools/input/reg03/out.cgyro.prec.1 b/cgyro/tools/input/reg03/out.cgyro.prec.1
new file mode 100644
index 000000000..947ab9d87
--- /dev/null
+++ b/cgyro/tools/input/reg03/out.cgyro.prec.1
@@ -0,0 +1,8 @@
+2.421669971683E+00
+2.307245962457E+00
+2.524153058625E+00
+2.561615140337E+00
+2.429605635528E+00
+2.403103209457E+00
+2.387877290711E+00
+2.366290588048E+00
diff --git a/cgyro/tools/input/reg03/out.cgyro.prec.2 b/cgyro/tools/input/reg03/out.cgyro.prec.2
new file mode 100644
index 000000000..d46bab095
--- /dev/null
+++ b/cgyro/tools/input/reg03/out.cgyro.prec.2
@@ -0,0 +1,12 @@
+2.421669971683E+00
+2.307245962457E+00
+2.524153058625E+00
+2.561615140337E+00
+2.429605635528E+00
+2.403103209457E+00
+2.387877290711E+00
+2.366290588048E+00
+2.362318747903E+00
+2.362541441803E+00
+2.362472161487E+00
+2.364531625492E+00
diff --git a/cgyro/tools/input/reg04/out.cgyro.prec.1 b/cgyro/tools/input/reg04/out.cgyro.prec.1
new file mode 100644
index 000000000..20c4d349b
--- /dev/null
+++ b/cgyro/tools/input/reg04/out.cgyro.prec.1
@@ -0,0 +1,8 @@
+8.723019189894E-01
+3.922565014553E+00
+4.221614198458E+00
+4.491679856946E+00
+4.473821806778E+00
+4.470422978528E+00
+4.379870852232E+00
+4.317550367044E+00
diff --git a/cgyro/tools/input/reg04/out.cgyro.prec.2 b/cgyro/tools/input/reg04/out.cgyro.prec.2
new file mode 100644
index 000000000..f5d55e5e9
--- /dev/null
+++ b/cgyro/tools/input/reg04/out.cgyro.prec.2
@@ -0,0 +1,12 @@
+8.723019189894E-01
+3.922565014553E+00
+4.221614198458E+00
+4.491679856946E+00
+4.473821806778E+00
+4.470422978528E+00
+4.379870852232E+00
+4.317550367044E+00
+4.277701338439E+00
+4.245213280151E+00
+4.222512341360E+00
+4.207953623964E+00
diff --git a/cgyro/tools/input/reg05/out.cgyro.prec.1 b/cgyro/tools/input/reg05/out.cgyro.prec.1
new file mode 100644
index 000000000..f38b10f94
--- /dev/null
+++ b/cgyro/tools/input/reg05/out.cgyro.prec.1
@@ -0,0 +1,8 @@
+1.870402145742E-04
+3.458409451344E-04
+4.639347854870E-04
+5.427862510043E-04
+5.925446017430E-04
+6.265709885667E-04
+6.573655601493E-04
+6.950033032386E-04
diff --git a/cgyro/tools/input/reg05/out.cgyro.prec.2 b/cgyro/tools/input/reg05/out.cgyro.prec.2
new file mode 100644
index 000000000..9869dc227
--- /dev/null
+++ b/cgyro/tools/input/reg05/out.cgyro.prec.2
@@ -0,0 +1,12 @@
+1.870402145742E-04
+3.458409451344E-04
+4.639347854870E-04
+5.427862510043E-04
+5.925446017430E-04
+6.265709885667E-04
+6.573655601493E-04
+6.950033032386E-04
+7.477440506395E-04
+8.225500588855E-04
+9.259382570892E-04
+1.064422742241E-03
diff --git a/cgyro/tools/input/reg06/out.cgyro.prec.1 b/cgyro/tools/input/reg06/out.cgyro.prec.1
new file mode 100644
index 000000000..a35a0deee
--- /dev/null
+++ b/cgyro/tools/input/reg06/out.cgyro.prec.1
@@ -0,0 +1,8 @@
+1.279651406955E-03
+2.399311429728E-03
+3.497741973365E-03
+5.037420719768E-03
+8.204438224472E-03
+1.398363333973E-02
+2.391820265253E-02
+4.150226324676E-02
diff --git a/cgyro/tools/input/reg06/out.cgyro.prec.2 b/cgyro/tools/input/reg06/out.cgyro.prec.2
new file mode 100644
index 000000000..565e83668
--- /dev/null
+++ b/cgyro/tools/input/reg06/out.cgyro.prec.2
@@ -0,0 +1,12 @@
+1.279651406955E-03
+2.399311429728E-03
+3.497741973365E-03
+5.037420719768E-03
+8.204438224472E-03
+1.398363333973E-02
+2.391820265253E-02
+4.150226324676E-02
+7.402538034069E-02
+1.442278751776E-01
+2.933799857723E-01
+6.059408567834E-01
diff --git a/cgyro/tools/input/reg07/out.cgyro.prec.1 b/cgyro/tools/input/reg07/out.cgyro.prec.1
new file mode 100644
index 000000000..1a5d58d49
--- /dev/null
+++ b/cgyro/tools/input/reg07/out.cgyro.prec.1
@@ -0,0 +1,8 @@
+1.874828574249E-04
+3.498799027781E-04
+4.781834107938E-04
+5.767228615583E-04
+6.563167839234E-04
+7.277945434430E-04
+7.984600858466E-04
+8.715835735689E-04
diff --git a/cgyro/tools/input/reg07/out.cgyro.prec.2 b/cgyro/tools/input/reg07/out.cgyro.prec.2
new file mode 100644
index 000000000..99ba3c0b3
--- /dev/null
+++ b/cgyro/tools/input/reg07/out.cgyro.prec.2
@@ -0,0 +1,12 @@
+1.874828574249E-04
+3.498799027781E-04
+4.781834107938E-04
+5.767228615583E-04
+6.563167839234E-04
+7.277945434430E-04
+7.984600858466E-04
+8.715835735689E-04
+9.474364432724E-04
+1.023881431146E-03
+1.097122731828E-03
+1.160698794088E-03
diff --git a/cgyro/tools/input/reg08/out.cgyro.prec.1 b/cgyro/tools/input/reg08/out.cgyro.prec.1
new file mode 100644
index 000000000..5dc5b47c6
--- /dev/null
+++ b/cgyro/tools/input/reg08/out.cgyro.prec.1
@@ -0,0 +1,8 @@
+2.370589712493E+00
+2.384271985470E+00
+2.561022875987E+00
+2.627239705581E+00
+2.573511547085E+00
+2.562847192966E+00
+2.563369314914E+00
+2.558757886050E+00
diff --git a/cgyro/tools/input/reg08/out.cgyro.prec.2 b/cgyro/tools/input/reg08/out.cgyro.prec.2
new file mode 100644
index 000000000..c078e5d45
--- /dev/null
+++ b/cgyro/tools/input/reg08/out.cgyro.prec.2
@@ -0,0 +1,9 @@
+2.370589712493E+00
+2.384271985470E+00
+2.561022875987E+00
+2.627239705581E+00
+2.573511547085E+00
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+2.558757886050E+00
+2.557567320249E+00
diff --git a/cgyro/tools/input/reg09/out.cgyro.prec.1 b/cgyro/tools/input/reg09/out.cgyro.prec.1
new file mode 100644
index 000000000..15541f60b
--- /dev/null
+++ b/cgyro/tools/input/reg09/out.cgyro.prec.1
@@ -0,0 +1,8 @@
+1.279823859110E-03
+2.420361783525E-03
+3.548259949601E-03
+5.132832971564E-03
+8.403746796842E-03
+1.438153973583E-02
+2.470204676818E-02
+4.305302986243E-02
diff --git a/cgyro/tools/input/reg09/out.cgyro.prec.2 b/cgyro/tools/input/reg09/out.cgyro.prec.2
new file mode 100644
index 000000000..54715afda
--- /dev/null
+++ b/cgyro/tools/input/reg09/out.cgyro.prec.2
@@ -0,0 +1,12 @@
+1.279823859110E-03
+2.420361783525E-03
+3.548259949601E-03
+5.132832971564E-03
+8.403746796842E-03
+1.438153973583E-02
+2.470204676818E-02
+4.305302986243E-02
+7.717675763479E-02
+1.513932781538E-01
+3.092477818032E-01
+6.410808829719E-01
diff --git a/cgyro/tools/input/reg10/out.cgyro.prec.1 b/cgyro/tools/input/reg10/out.cgyro.prec.1
new file mode 100644
index 000000000..51f0f60b6
--- /dev/null
+++ b/cgyro/tools/input/reg10/out.cgyro.prec.1
@@ -0,0 +1,8 @@
+1.101502827565E+00
+1.633603073065E+00
+2.047170567269E+00
+2.648606283857E+00
+3.255350458294E+00
+3.765533902115E+00
+4.025664356559E+00
+3.873436452363E+00
diff --git a/cgyro/tools/input/reg10/out.cgyro.prec.2 b/cgyro/tools/input/reg10/out.cgyro.prec.2
new file mode 100644
index 000000000..e724cfd6f
--- /dev/null
+++ b/cgyro/tools/input/reg10/out.cgyro.prec.2
@@ -0,0 +1,12 @@
+1.101502827565E+00
+1.633603073065E+00
+2.047170567269E+00
+2.648606283857E+00
+3.255350458294E+00
+3.765533902115E+00
+4.025664356559E+00
+3.873436452363E+00
+3.318962359148E+00
+2.911720396277E+00
+2.777991128462E+00
+2.620672104498E+00
diff --git a/cgyro/tools/input/reg11/out.cgyro.prec.1 b/cgyro/tools/input/reg11/out.cgyro.prec.1
new file mode 100644
index 000000000..1c18db7f4
--- /dev/null
+++ b/cgyro/tools/input/reg11/out.cgyro.prec.1
@@ -0,0 +1,16 @@
+1.316064580013E+00
+2.006581595910E+00
+2.390519084792E+00
+2.488440650372E+00
+2.485484898183E+00
+2.560143360494E+00
+2.527940553213E+00
+2.474071035919E+00
+2.449276535063E+00
+2.420591248181E+00
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new file mode 100644
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+2.451743792267E+00
+2.481368850914E+00
+2.508391257159E+00
+2.528587626845E+00
+2.540553013698E+00
diff --git a/shared/bin/gacode_reg_do_restart b/shared/bin/gacode_reg_do_restart
new file mode 100755
index 000000000..a78df9943
--- /dev/null
+++ b/shared/bin/gacode_reg_do_restart
@@ -0,0 +1,101 @@
+#!/bin/bash
+# 
+# SCRIPT:
+#  gacode_reg_do_restart <n_proc> <n_omp> <reset_flag> <code> <tol>
+#
+# PURPOSE:
+#  Run three times through full suite of regression tests defined for <code>
+#  Check that both base, mid and final results are correct
+#
+# EXAMPLE:
+#  gacode_reg_do_restart 2 1 0 cgyro 1e-6 reg01
+#----------------------------------------------------
+
+n=$#
+
+if [ $n -lt 5 ] 
+then
+  echo "Usage: gacode_reg_do <n_proc> <n_omp> <reset_flag> <code> <tol> <scase>"
+  exit 1
+fi
+
+# Define list of test directories:
+
+n_proc=${1}
+n_omp=${2}
+reset=${3}
+code=${4}
+tol=${5}
+scase=${6}
+
+echo "REGRESSION TESTING: $code"
+
+testdir=$PWD/${code}_regression_test
+
+# Is data in GACODE
+
+if [ -d "$GACODE_ROOT/$code/tools/input" ]
+then
+   compdir=$GACODE_ROOT/$code/tools/input
+fi
+
+# Is data in GACODE_ADD
+if [ -d "$GACODE_ADD_ROOT/$code/tools/input" ]
+then
+   compdir=$GACODE_ADD_ROOT/$code/tools/input
+fi
+
+precfile=out.$code.prec
+infile=input.$code
+
+if [ "$scase" == "" ] 
+then
+   list=`cat $compdir/reg_list`
+else
+   list=$scase
+fi
+
+rm -rf $testdir ; mkdir $testdir
+cd $testdir
+
+for sim in $list
+do
+   $code -g $sim -p $testdir > out.$sim
+   rm -f $sim/$precfile
+   # patch input file to have frequent checkpointing
+   mv $sim/$infile $sim/$infile.org
+   grep -v RESTART_STEP $sim/$infile.org > $sim/$infile
+   echo "RESTART_STEP=1" >> $sim/$infile
+   # now run it 3 times
+   for ((i=0; $i<3; i=$i+1))
+   do
+    if [ $i -ne 0 ]
+    then
+      cp $sim/$precfile $sim/$precfile.$oi
+    fi
+    if [ $n_omp -eq 1 ] && [ $n_proc -eq 1 ] ; then 
+      $code -e $sim -p $testdir > out.$sim
+    else
+      $code -e $sim -n $n_proc -nomp $n_omp -p $testdir > out.$sim
+    fi
+    cp $sim/$precfile $sim/$precfile.$i
+    if [ $i -eq 0 ]
+    then
+      # reuse the non-checkpointed result from original regression test
+      myprecfile=$precfile
+    else
+      # use the additional iterations else
+      myprecfile=$precfile.$i
+    fi
+    gacode_reg $sim $compdir $myprecfile $tol
+    oi=$i
+   done
+   if [ $reset -eq 1 ]
+   then
+      # Overwrite regression data with current data
+      echo "$sim/$precfile -> $GACODE_ROOT/$code/tools/input/$sim"
+      cp $sim/$precfile.0 $compdir/$sim/$precfile
+      cp $sim/$precfile.1 $compdir/$sim/$precfile.1
+      cp $sim/$precfile.2 $compdir/$sim/$precfile.2
+   fi
+done