Merge pull request OpenFAST#26 from jrood-nrel/jrood/fix-fpe

Check if restart frequency is > 0 to avoid dividing by 0
psakievich · Sep 20, 2023 · c2aea80 · c2aea80
2 parents 984b0e8 + 66c3d16
commit c2aea80
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/glue-codes/openfast-cpp/src/OpenFAST.cpp b/glue-codes/openfast-cpp/src/OpenFAST.cpp
@@ -1260,7 +1260,7 @@ void fast::OpenFAST::advance_to_next_driver_time_step(bool writeFiles) {
     if (writeFiles) {
       for (int iTurb=0; iTurb < nTurbinesProc; iTurb++) {
           int tStepRatio = dtDriver/dtFAST;
-          if ( (((nt_global - ntStart) % (restartFreq_*tStepRatio)) == 0 )  && (nt_global != ntStart) ) {
+          if ( (restartFreq_*tStepRatio > 0) && (((nt_global - ntStart) % (restartFreq_*tStepRatio)) == 0 )  && (nt_global != ntStart) ) {
               turbineData[iTurb].FASTRestartFileName = " "; // if blank, it will use FAST convention <RootName>.nt_global
               FAST_CreateCheckpoint(&iTurb, turbineData[iTurb].FASTRestartFileName.data(), &ErrStat, ErrMsg);
               checkError(ErrStat, ErrMsg);