Line data    Source code

       1             : /* +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
       2             :    Copyright (c) 2011-2020 The plumed team
       3             :    (see the PEOPLE file at the root of the distribution for a list of names)
       4             : 
       5             :    See http://www.plumed.org for more information.
       6             : 
       7             :    This file is part of plumed, version 2.
       8             : 
       9             :    plumed is free software: you can redistribute it and/or modify
      10             :    it under the terms of the GNU Lesser General Public License as published by
      11             :    the Free Software Foundation, either version 3 of the License, or
      12             :    (at your option) any later version.
      13             : 
      14             :    plumed is distributed in the hope that it will be useful,
      15             :    but WITHOUT ANY WARRANTY; without even the implied warranty of
      16             :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      17             :    GNU Lesser General Public License for more details.
      18             : 
      19             :    You should have received a copy of the GNU Lesser General Public License
      20             :    along with plumed.  If not, see <http://www.gnu.org/licenses/>.
      21             : +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */
      22             : #ifndef __PLUMED_function_LessThan_h
      23             : #define __PLUMED_function_LessThan_h
      24             : 
      25             : #include "FunctionTemplateBase.h"
      26             : #include "tools/SwitchingFunction.h"
      27             : 
      28             : namespace PLMD {
      29             : namespace function {
      30             : 
      31         614 : class LessThan : public FunctionTemplateBase {
      32             :   bool squared;
      33             :   SwitchingFunction switchingFunction;
      34             : public:
      35             :   void registerKeywords( Keywords& keys ) override;
      36             :   void read( ActionWithArguments* action ) override;
      37           0 :   bool getDerivativeZeroIfValueIsZero() const override { return true; }
      38             :   void calc( const ActionWithArguments* action, const std::vector<double>& args, std::vector<double>& vals, Matrix<double>& derivatives ) const override;
      39             : };
      40             : 
      41             : }
      42             : }
      43             : #endif