Line data    Source code

       1             : /* +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
       2             :    Copyright (c) 2012-2023 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 "wrapper/Plumed.h"
      23             : #include <cstring>
      24             : 
      25             : #ifdef __PLUMED_HAS_MPI
      26             : #include <mpi.h>
      27             : #endif
      28             : 
      29             : /**
      30             :   This main uses only the interface published in
      31             :   Plumed.h. The object file generated from this .cpp
      32             :   is the only part of the plumed library that should
      33             :   not be linked with external MD codes, so as
      34             :   to avoid linker error.
      35             : */
      36        5364 : int main(int argc,char**argv) {
      37             : #ifdef __PLUMED_HAS_MPI
      38             :   bool nompi=false;
      39       11179 :   for(unsigned iarg=1; iarg<argc; iarg++) {
      40       10367 :     if(!std::strcmp(argv[iarg],"--no-mpi")) {
      41             :       nompi=true;
      42             :     }
      43       10367 :     if(!std::strcmp(argv[iarg],"--mpi")) {
      44             :       nompi=false;
      45             :     }
      46             : // stop at first non-option
      47       10367 :     if(argv[iarg] && argv[iarg][0]!='-') {
      48             :       break;
      49             :     }
      50             :   }
      51        5364 :   if(!nompi) {
      52         361 :     MPI_Init(&argc,&argv);
      53             :   }
      54             : #endif
      55        5364 :   int ret=0;
      56             : 
      57             :   try {
      58             :     PLMD::Plumed p;
      59        5364 :     p.cmd("CLTool setArgc",&argc);
      60        5364 :     p.cmd("CLTool setArgv",argv, {argc});
      61             : #ifdef __PLUMED_HAS_MPI
      62        5364 :     if(!nompi) {
      63             :       MPI_Comm comm;
      64         361 :       MPI_Comm_dup(MPI_COMM_WORLD,&comm);
      65         722 :       p.cmd("CLTool setMPIComm",&comm);
      66             :     }
      67             : #endif
      68       10728 :     p.cmd("CLTool run",&ret);
      69             : // end block deletes p also in case an exception occurs
      70           0 :   } catch(...) {
      71             : // exception is rethrown and results in a call to terminate
      72           0 :     throw;
      73           0 :   }
      74             : 
      75             : #ifdef __PLUMED_HAS_MPI
      76        5364 :   if(!nompi) {
      77         361 :     MPI_Finalize();
      78             :   }
      79             : #endif
      80        5364 :   return ret;
      81             : }