From 817a39952dee81fb0260afdd2967511f80c3abcf Mon Sep 17 00:00:00 2001
From: Adam Moody <moody20@llnl.gov>
Date: Fri, 11 Feb 2022 16:25:27 -0800
Subject: [PATCH] keep previous SCR code in getDt

---
 src/CheckPoint.C | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/src/CheckPoint.C b/src/CheckPoint.C
index aeb78e64..367ec623 100644
--- a/src/CheckPoint.C
+++ b/src/CheckPoint.C
@@ -650,6 +650,45 @@ float_sw4 CheckPoint::getDt() {
   }
   MPI_Bcast(&dt, 1, mEW->m_mpifloat, 0, mEW->m_cartesian_communicator);
   return dt;
+
+#if 0
+  int have_restart = 0;
+   char checkpoint_dir[SCR_MAX_FILENAME];
+   SCR_Have_restart(&have_restart, checkpoint_dir);
+   if (! have_restart) {
+     std::cerr<<"Error :: SCR found no checkpoints ! \n"<<std::flush;
+     abort();
+   } 
+
+   SCR_Start_restart(checkpoint_dir);
+
+   std::stringstream s;
+   s<<checkpoint_dir<<"/CheckPoint_"<<mEW->getRank()<<".bin";
+   char scr_file[SCR_MAX_FILENAME];
+   SCR_Route_file(s.str().c_str(), scr_file);
+   int valid=1;
+   if (std::FILE *file=std::fopen(scr_file,"rb")){
+     float_sw4 dt; 
+     if ( std::fread(&dt,sizeof dt,1,file)==1) {
+       scr_file_handle=file;
+       return dt;
+     } else {
+       std::cerr<<"ERROR:: Read of SCR checkpoint file failed in getDt \n"<<std::flush;
+       std::fclose(file);
+       valid = 0;
+     }
+   } else {
+     std::cerr<<"ERROR::Restart file opening failed in getDt "<<s.str()<<"\n"<<std::flush;
+     valid = 0;
+   }
+
+   if (!valid){
+     std::cerr<<"ERROR :: Invalid restart file "<<s.str()<<"\n Aborting..\n"<<std::flush;
+     abort();
+   }
+
+   return -1.0e99; // Dummy return to suppress warnings. Should never be reached
+ #endif
 }
 
 //-----------------------------------------------------------------------