/*
  *  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/ParameterSet.h>
 #include <momemta/Module.h>
 
 class UniformGenerator: public Module {
     public:
 
         UniformGenerator(PoolPtr pool, const ParameterSet& parameters): Module(pool, parameters.getModuleName()),
             m_min(parameters.get<double>("min")),
             m_max(parameters.get<double>("max")) {
 
             m_ps_point = get<double>(parameters.get<InputTag>("ps_point"));
         };
 
         virtual Status work() override {
             double psPoint = *m_ps_point;
             *output = m_min + (m_max - m_min) * psPoint;
             *jacobian = m_max - m_min;
 
             return Status::OK;
         }
 
     private:
         const double m_min, m_max;
 
         // Inputs
         Value<double> m_ps_point;
 
         // Outputs
         std::shared_ptr<double> output = produce<double>("output");
         std::shared_ptr<double> jacobian = produce<double>("jacobian");
 
 
 };
 
 REGISTER_MODULE(UniformGenerator)
         .Input("ps_point")
         .Output("output")
         .Output("jacobian")
         .Attr("min:double")
         .Attr("max:double");