C++ API in get_unshift_code()

cadbiom/models/clause_constraints/mcl/MCLSolutions.py

@@ -81,12 +81,16 @@ class RawSolution(object):
         @return: DIMACS literal coding of  x_0 with same value
         """
 
-        var_code = (abs(var_num) - 1) % self.__shift_step + 1
+        # Old API
+        # var_code = (abs(var_num) - 1) % self.__shift_step + 1
+        #
+        # if var_code <= self.__shift_step:
+        #     return var_code * (-1 if var_num < 0 else 1)
+        # else:
+        #     raise MCLException("Not a DIMACS code of an initial variable")
 
-        if var_code <= self.__shift_step:
-            return var_code * (-1 if var_num < 0 else 1)
-        else:
-            raise MCLException("Not a DIMACS code of an initial variable")
+        # New API via C++ module
+        get_unshift_code(var_num, self.__shift_step)
 
     def get_var_name(self, var_num):
         """