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better error checking

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This commit is contained in:
Axel Kohlmeyer
2021-03-13 22:52:37 -05:00
parent 7936a6296f
commit 0cdd433eca
2 changed files with 5 additions and 3 deletions
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6
src/group.cpp
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@ -99,6 +99,7 @@ void Group::assign(int narg, char **arg)
// clear mask of each atom assigned to this group
if (strcmp(arg[1],"delete") == 0) {
if (narg != 2) error->all(FLERR,"Illegal group command");
int igroup = find(arg[0]);
if (igroup == -1) error->all(FLERR,"Could not find group delete group ID");
if (igroup == 0) error->all(FLERR,"Cannot delete group all");
@ -183,7 +184,8 @@ void Group::assign(int narg, char **arg)
} else if (strcmp(arg[1],"empty") == 0) {
; // nothing to do here
if (narg != 2) error->all(FLERR,"Illegal group command");
// nothing else to do here
// style = type, molecule, id
// add to group if atom matches type/molecule/id or condition
@ -546,7 +548,7 @@ void Group::assign(const std::string &groupcmd)
add flagged atoms to a new or existing group
------------------------------------------------------------------------- */
void Group::create(char *name, int *flag)
void Group::create(const char *name, int *flag)
{
int i;