these functions do not create errors or throw exceptions

src/library.cpp

@@ -2979,13 +2979,8 @@ double lammps_eval(void *handle, const char *expr)
  */
 void lammps_compute_clearstep(void * handle) {
   auto lmp = (LAMMPS *) handle;
-
-  BEGIN_CAPTURE
-  {
   lmp->modify->clearstep_compute();
 }
-  END_CAPTURE
-}
 
 /* ---------------------------------------------------------------------- */
 
@@ -3007,13 +3002,8 @@ void lammps_compute_clearstep(void * handle) {
  */
 void lammps_compute_addstep_all(void * handle, bigint newstep) {
   auto lmp = (LAMMPS *) handle;
-
-  BEGIN_CAPTURE
-  {
   lmp->modify->addstep_compute_all(newstep);
 }
-  END_CAPTURE
-}
 /* ---------------------------------------------------------------------- */
 
 /** Add next timestep to compute if it has been invoked in the current timestep
@@ -3033,13 +3023,8 @@ void lammps_compute_addstep_all(void * handle, bigint newstep) {
  */
 void lammps_compute_addstep(void * handle, bigint newstep) {
   auto lmp = (LAMMPS *) handle;
-
-  BEGIN_CAPTURE
-  {
   lmp->modify->addstep_compute(newstep);
 }
-  END_CAPTURE
-}
 
 // ----------------------------------------------------------------------
 // Library functions for scatter/gather operations of data