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Add error check to lammps_gather_atoms/lammps_scatter_atoms in library.cpp

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This commit is contained in:
David M. Rogers
2017-03-09 16:40:56 -05:00
parent 79b005dc3d
commit 65964f3b31
1 changed files with 8 additions and 0 deletions
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8
src/library.cpp
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@ -761,6 +761,10 @@ void lammps_gather_atoms(void *ptr, char *name,
int i,j,offset; int i,j,offset;
void *vptr = lmp->atom->extract(name); void *vptr = lmp->atom->extract(name);
if(vptr == NULL) {
lmp->error->warning(FLERR,"lammps_gather_atoms: unknown property name");
return;
}
// copy = Natom length vector of per-atom values // copy = Natom length vector of per-atom values
// use atom ID to insert each atom's values into copy // use atom ID to insert each atom's values into copy
@ -857,6 +861,10 @@ void lammps_scatter_atoms(void *ptr, char *name,
int i,j,m,offset; int i,j,m,offset;
void *vptr = lmp->atom->extract(name); void *vptr = lmp->atom->extract(name);
if(vptr == NULL) {
lmp->error->warning(FLERR,"lammps_scatter_atoms: unknown property name");
return;
}
// copy = Natom length vector of per-atom values // copy = Natom length vector of per-atom values
// use atom ID to insert each atom's values into copy // use atom ID to insert each atom's values into copy