Update comment on C0 term in FFSetup.cpp

GOMC-WSU · Jun 13, 2023 · 9fc85fb · 9fc85fb
1 parent 4c12477
commit 9fc85fb
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/FFSetup.cpp b/src/FFSetup.cpp
@@ -343,6 +343,7 @@ void Dihedral::Read(Reader & param, std::string const& firstVar)
   if(index == 0) {
     //set phase shift for n=0 to 90 degree
     // We will have C0 = Kchi (1 + cos(0 * phi + 90)) = Kchi
+    //this avoids double counting the C0 (constant offset) term, which is used force fields like TraPPE
     def = 90.00;
   }
   Add(merged, coeff, index, def);