added qft++Extension/PawianUtils.* from Bertrams development directory

qft++Extension/PawianUtils.cc

+//************************************************************************//
+//                                                                        //
+//  Copyright 2016 Bertram Kopf (bertram@ep1.rub.de)                      //
+//                                                                        //
+//  This file is part of Pawian.                                          //
+//                                                                        //
+//  Pawian is free software: you can redistribute it and/or modify        //
+//  it under the terms of the GNU General Public License as published by  //
+//  the Free Software Foundation, either version 3 of the License, or     //
+//  (at your option) any later version.                                   //
+//                                                                        //
+//  Pawian is distributed in the hope that it will be useful,             //
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of        //
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         //
+//  GNU General Public License for more details.                          //
+//                                                                        //
+//  You should have received a copy of the GNU General Public License     //
+//  along with Pawian.  If not, see <http://www.gnu.org/licenses/>.       //
+//                                                                        //
+//************************************************************************//
+
+// DataUtils class definition file. -*- C++ -*-
+// Copyright 2016 Bertram Kopf
+
+#include "qft++Extension/PawianUtils.hh"
+
+vector<LS> PawianQFT::GetValidLSWeak(const Spin &__j, const Spin &__s1, const Spin &__s2){
+  vector<LS> valid_ls;
+  LS ls;
+
+  for(Spin S = abs(__s1 - __s2); S <= (__s1 + __s2); ++S){
+    for(int L = (int)abs(__j - S); L <= (int)(__j + S); ++L){
+        ls.L = L;
+        ls.S = S;
+        valid_ls.push_back(ls);
+    }
+  }
+  return valid_ls;
+}

qft++Extension/PawianUtils.hh

+//************************************************************************//
+//									  //
+//  Copyright 2016 Bertram Kopf (bertram@ep1.rub.de)			  //
+//          	   - Ruhr-Universität Bochum 				  //
+//									  //
+//  This file is part of Pawian.					  //
+//									  //
+//  Pawian is free software: you can redistribute it and/or modify	  //
+//  it under the terms of the GNU General Public License as published by  //
+//  the Free Software Foundation, either version 3 of the License, or 	  //
+//  (at your option) any later version.	 	      	  	   	  //
+//									  //
+//  Pawian is distributed in the hope that it will be useful,		  //
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of	  //
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the	  //
+//  GNU General Public License for more details.	      		  //
+//									  //
+//  You should have received a copy of the GNU General Public License     //
+//  along with Pawian.  If not, see <http://www.gnu.org/licenses/>.	  //
+//									  //
+//************************************************************************//
+
+#pragma once
+
+#include "qft++/relativistic-quantum-mechanics/Utils.hh"
+
+namespace PawianQFT{
+/// Returns all valid @a LS combos for weak decays; non partity conservation
+  vector<LS> GetValidLSWeak(const Spin &__j, const Spin &__s1, const Spin &__s2);
+//
+}