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improved error handling for user specifying rigid fix

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This commit is contained in:
draneyj
2025-01-18 17:40:07 -05:00
parent be7d3a5f4b
commit cba09fc0f5
1 changed files with 6 additions and 2 deletions
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8
src/MC/fix_hmc.cpp
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@ -99,8 +99,12 @@ FixHMC::FixHMC(LAMMPS *lmp, int narg, char **arg) :
iarg += 2;
} else if (strcmp(arg[iarg], "rigid") == 0) {
if (iarg + 2 > narg) utils::missing_cmd_args(FLERR, "hmc rigid", error);
fix_rigid = (FixRigidSmall*) modify->get_fix_by_id(arg[iarg + 1]);
if (fix_rigid == nullptr) error->all(FLERR, "Unknown rigid fix id {}", arg[iarg + 1]);
auto ifix = modify->get_fix_by_id(arg[iarg + 1]);
if (ifix == nullptr) error->all(FLERR, "Unknown rigid fix id {}", arg[iarg + 1]);
fix_rigid = dynamic_cast<FixRigidSmall *>(ifix);
if (!fix_rigid)
error->all(FLERR, "Fix ID {} for compute rigid/local does not point to fix rigid/small",
arg[iarg + 1]);
rigid_flag = true;
iarg += 2;
} else {