Line data    Source code

       1             : /* +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
       2             :    Copyright (c) 2011-2019 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             : #include "Vector.h"
      23             : #include "Exception.h"
      24             : #include <cmath>
      25             : 
      26             : namespace PLMD {
      27             : 
      28             : /// Small auxiliary class.
      29             : /// I use it to test a few things that I am scary of and could introduce bugs.
      30             : /// It checks at startup that Vector satifies some requirement so as to allow
      31             : /// accessing a vector of tensors as a 3 times longer array of doubles.
      32             : static class VectorChecks {
      33             : public:
      34        1607 :   VectorChecks() {
      35        1607 :     if( sizeof(VectorGeneric<2>)==2*sizeof(double)
      36        1607 :         && sizeof(VectorGeneric<3>)==3*sizeof(double)
      37        3214 :         && sizeof(VectorGeneric<4>)==4*sizeof(double)) return;
      38           0 :     plumed_merror("sizeof(VectorGeneric<x>)!=x*sizeof(double). PLUMED cannot work properly in these conditions.");
      39             :   }
      40        1607 : } checks;
      41             : 
      42        4821 : }
      43             : 
      44             : 
      45             :