From 13228ca29a0ffabebdda4b58ba7773320fa9b7b9 Mon Sep 17 00:00:00 2001
From: davidfir3 <491197586@qq.com>
Date: Mon, 28 Mar 2022 13:34:36 +0800
Subject: [PATCH] add dimension check

---
 src/FEP/compute_fep_ta.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/FEP/compute_fep_ta.cpp b/src/FEP/compute_fep_ta.cpp
index 71856abcdc..0045119f85 100644
--- a/src/FEP/compute_fep_ta.cpp
+++ b/src/FEP/compute_fep_ta.cpp
@@ -123,6 +123,10 @@ void ComputeFEPTA::init()
 
   // setup and error checks
 
+  if (domain->dimension == 2) {
+    error->all(FLERR,"Cannot compute fep/ta in 2d simulation");
+  }
+
   if (tailflag) {
     if (force->pair->tail_flag == 0)
       error->all(FLERR,"Compute fep/ta tail when pair style does not "