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Adding Binrary IO, untested

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This commit is contained in:
Guido Cossu
2016-10-06 10:12:11 +01:00
parent d9b5fbd374
commit c065e454c3
6 changed files with 258 additions and 87 deletions
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108
tests/solver/Test_wilson_lanczos.cc Normal file
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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: ./tests/Test_dwf_lanczos.cc
Copyright (C) 2015
Author: Peter Boyle <paboyle@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>
using namespace std;
using namespace Grid;
using namespace Grid::QCD;
typedef WilsonFermionR FermionOp;
typedef typename WilsonFermionR::FermionField FermionField;
RealD AllZero(RealD x) { return 0.; }
int main(int argc, char** argv) {
Grid_init(&argc, &argv);
GridCartesian* UGrid = SpaceTimeGrid::makeFourDimGrid(
GridDefaultLatt(), GridDefaultSimd(Nd, vComplex::Nsimd()),
GridDefaultMpi());
GridRedBlackCartesian* UrbGrid =
SpaceTimeGrid::makeFourDimRedBlackGrid(UGrid);
GridCartesian* FGrid = UGrid;
GridRedBlackCartesian* FrbGrid = UrbGrid;
printf("UGrid=%p UrbGrid=%p FGrid=%p FrbGrid=%p\n", UGrid, UrbGrid, FGrid,
FrbGrid);
std::vector<int> seeds4({1, 2, 3, 4});
std::vector<int> seeds5({5, 6, 7, 8});
GridParallelRNG RNG5(FGrid);
RNG5.SeedFixedIntegers(seeds5);
GridParallelRNG RNG4(UGrid);
RNG4.SeedFixedIntegers(seeds4);
GridParallelRNG RNG5rb(FrbGrid);
RNG5.SeedFixedIntegers(seeds5);
LatticeGaugeField Umu(UGrid);
SU3::HotConfiguration(RNG4, Umu);
/*
std::vector<LatticeColourMatrix> U(4, UGrid);
for (int mu = 0; mu < Nd; mu++) {
U[mu] = PeekIndex<LorentzIndex>(Umu, mu);
}
*/
RealD mass = -0.1;
RealD M5 = 1.8;
RealD mob_b = 1.5;
FermionOp WilsonOperator(Umu,*FGrid,*FrbGrid,mass);
MdagMLinearOperator<FermionOp,LatticeFermion> HermOp(WilsonOperator); /// <-----
//SchurDiagTwoOperator<FermionOp,FermionField> HermOp(WilsonOperator);
const int Nstop = 20;
const int Nk = 60;
const int Np = 60;
const int Nm = Nk + Np;
const int MaxIt = 10000;
RealD resid = 1.0e-6;
std::vector<double> Coeffs{0, 1.};
Polynomial<FermionField> PolyX(Coeffs);
Chebyshev<FermionField> Cheb(0.0, 10., 12);
ImplicitlyRestartedLanczos<FermionField> IRL(HermOp, PolyX, Nstop, Nk, Nm,
resid, MaxIt);
std::vector<RealD> eval(Nm);
FermionField src(FGrid);
gaussian(RNG5, src);
std::vector<FermionField> evec(Nm, FGrid);
for (int i = 0; i < 1; i++) {
std::cout << i << " / " << Nm << " grid pointer " << evec[i]._grid
<< std::endl;
};
int Nconv;
IRL.calc(eval, evec, src, Nconv);
std::cout << eval << std::endl;
Grid_finalize();
}