/*
  *  MoMEMta: a modular implementation of the Matrix Element Method
  *  Copyright (C) 2016  Universite catholique de Louvain (UCL), Belgium
  *
  *  This program 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.
  *
  *  This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include <momemta/Module.h>
 
 #include <momemta/ParameterSet.h>
 
 template<typename T>
 class Constant: public Module {
     public:
 
     Constant(PoolPtr pool, const ParameterSet& parameters): Module(pool, parameters.getModuleName()) {
             value = parameters.get<T>("value");
         };
 
         virtual void beginIntegration() override {
             *constant = value;
         };
 
     private:
         T value;
 
         // Outputs
         std::shared_ptr<T> constant = produce<T>("value");
 };
 
 REGISTER_MODULE_NAME("IntConstant", Constant<int64_t>)
         .Output("value")
         .Attr("value:int");
 
 REGISTER_MODULE_NAME("DoubleConstant", Constant<double>)
         .Output("value")
         .Attr("value:double");