Create a new RNG file

HMC/RNGstate.cc

@@ -0,0 +1,53 @@
+/*************************************************************************************
+
+Grid physics library, www.github.com/paboyle/Grid
+
+Source file:
+
+Copyright (C) 2015-2016
+
+Author: Peter Boyle <pabobyle@ph.ed.ac.uk>
+
+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 2 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, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+See the full license in the file "LICENSE" in the top level distribution
+directory
+*************************************************************************************/
+/*  END LEGAL */
+#include <Grid/Grid.h>
+
+int main(int argc, char **argv)
+{
+  using namespace Grid;
+
+  Grid_init(&argc, &argv);
+
+  Coordinate latt4  = GridDefaultLatt();
+  Coordinate mpi    = GridDefaultMpi();
+  Coordinate simd   = GridDefaultSimd(Nd,vComplexD::Nsimd());
+
+  GridCartesian         * UGrid   = SpaceTimeGrid::makeFourDimGrid(latt4,simd,mpi);
+
+  GridSerialRNG   sRNG;         sRNG.SeedUniqueString(std::string("The Serial RNG"));
+  GridParallelRNG pRNG(UGrid);  pRNG.SeedUniqueString(std::string("The 4D RNG"));
+
+  std::string rngfile("ckpoint_rng.0");
+  NerscIO::writeRNGState(sRNG, pRNG, rngfile);
+  
+  Grid_finalize();
+}
+
+
+