git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@6154 f3b2605a-c512-4ea7-a41b-209d697bcdaa

src/force.cpp

@@ -117,23 +117,43 @@ void Force::init()
    create a pair style, called from input script or restart file
 ------------------------------------------------------------------------- */
 
-void Force::create_pair(const char *style)
+void Force::create_pair(const char *style, char *suffix)
 {
   delete [] pair_style;
   if (pair) delete pair;
 
-  pair = new_pair(style);
+  pair = new_pair(style,suffix);
   int n = strlen(style) + 1;
   pair_style = new char[n];
   strcpy(pair_style,style);
 }
 
 /* ----------------------------------------------------------------------
-   generate a pair class
+   generate a pair class, first with suffix appended
 ------------------------------------------------------------------------- */
 
-Pair *Force::new_pair(const char *style)
+Pair *Force::new_pair(const char *style, char *suffix)
 {
+  int success = 0;
+
+  if (suffix) {
+    char estyle[256];
+    sprintf(estyle,"%s/%s",style,suffix);
+    success = 1;
+
+    if (0) return NULL;
+
+#define PAIR_CLASS
+#define PairStyle(key,Class) \
+    else if (strcmp(estyle,#key) == 0) return new Class(lmp);
+#include "style_pair.h"
+#undef PairStyle
+#undef PAIR_CLASS
+
+    else success = 0;
+  }
+
+  if (!success) {
     if (strcmp(style,"none") == 0) return NULL;
 
 #define PAIR_CLASS
@@ -143,6 +163,8 @@ Pair *Force::new_pair(const char *style)
 #undef PAIR_CLASS
 
     else error->all("Invalid pair style");
+  }
+
   return NULL;
 }
 

src/force.h

@@ -64,8 +64,8 @@ class Force : protected Pointers {
   ~Force();
   void init();
 
-  void create_pair(const char *);
-  class Pair *new_pair(const char *);
+  void create_pair(const char *, char *suffix = NULL);
+  class Pair *new_pair(const char *, char *suffix = NULL);
   class Pair *pair_match(const char *, int);
 
   void create_bond(const char *);