Use environment variable instead to allow OpenMPI run as root

Author: Growl1234

source/source_lcao/module_operator_lcao/test/parallel_operator_tests.sh

@@ -3,20 +3,24 @@
 np=`cat /proc/cpuinfo | grep "cpu cores" | uniq| awk '{print $NF}'`
 echo "nprocs in this machine is $np"
 
+# Allow OpenMPI run as root
+export OMPI_ALLOW_RUN_AS_ROOT=1
+export OMPI_ALLOW_RUN_AS_ROOT_CONFIRM=1
+
 for i in 2 3 4; do
     if [[ $i -gt $np ]];then
         continue
     fi
     echo "TEST in parallel, nprocs=$i"
-    mpirun --allow-run-as-root -np $i ./MODULE_LCAO_operator_overlap_cd_test
+    mpirun -np $i ./MODULE_LCAO_operator_overlap_cd_test
     e1=$?
-    mpirun --allow-run-as-root -np $i ./MODULE_LCAO_operator_overlap_test
+    mpirun -np $i ./MODULE_LCAO_operator_overlap_test
     e2=$?
-    mpirun --allow-run-as-root -np $i ./MODULE_LCAO_operator_ekinetic_test
+    mpirun -np $i ./MODULE_LCAO_operator_ekinetic_test
     e3=$?
-    mpirun --allow-run-as-root -np $i ./MODULE_LCAO_operator_nonlocal_test
+    mpirun -np $i ./MODULE_LCAO_operator_nonlocal_test
     e4=$?
-    mpirun --allow-run-as-root -np $i ./MODULE_LCAO_operator_T_NL_cd_test
+    mpirun -np $i ./MODULE_LCAO_operator_T_NL_cd_test
     e5=$?
     if [[ $e1 -ne 0 || $e2 -ne 0 || $e3 -ne 0 || $e4 -ne 0 || $e5 -ne 0 ]]; then
         echo -e "\e[1;33m [  FAILED  ] \e[0m"\