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Fixed memory leak ... without breaking semantics of prior code. Possibly should change the semantics? For Peter / Antonin to comment

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This commit is contained in:
Michael Marshall 2019-04-04 16:00:17 +01:00
parent 5e6104e683
commit 63dc0fa7e9
1 changed files with 56 additions and 22 deletions
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78
Grid/qcd/smearing/StoutSmearing.h
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@ -1,5 +1,34 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: ./lib/qcd/smearing/StoutSmearing.h
Copyright (C) 2019
Author: unknown
Author: Felix Erben <ferben@ed.ac.uk>
Author: Michael Marshall <Michael.Marshall@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
*************************************************************************************/
/*
@file stoutSmear.hpp
@file StoutSmearing.h
@brief Declares Stout smearing class
*/
#ifndef STOUT_SMEAR_
@ -12,37 +41,42 @@ namespace QCD {
template <class Gimpl>
class Smear_Stout : public Smear<Gimpl> {
private:
const Smear<Gimpl>* SmearBase;
inline std::vector<double> rho3D(double rho, int orthogdim){
// Smear<Gimpl>* ownership semantics:
// Smear<Gimpl>* passed in to constructor are owned by caller, so we don't delete them here
// Smear<Gimpl>* created within constructor need to be deleted as part of the destructor
const Smear<Gimpl>* SmearBase; // Not owned by this object, so not deleted at destruction
const std::unique_ptr<Smear<Gimpl>> OwnedBase; // deleted at destruction
public:
INHERIT_GIMPL_TYPES(Gimpl)
// only anticipated to be used from default constructor, but might as well be visible
inline static std::vector<double> rho3D(double rho = 1.0, int orthogdim = -1){
std::vector<double> rho3d(Nd*Nd);
for (int mu=0; mu<Nd; mu++)
for (int nu=0; nu<Nd; nu++)
rho3d[mu + Nd * nu] = (mu == orthogdim || nu == orthogdim) ? 0.0:rho;
rho3d[mu + Nd * nu] = (mu == orthogdim || nu == orthogdim) ? 0.0 : rho;
return rho3d;
};
public:
INHERIT_GIMPL_TYPES(Gimpl)
Smear_Stout(Smear<Gimpl>* base) : SmearBase(base) {
assert(Nc == 3);// "Stout smearing currently implemented only for Nc==3");
/*! Stout smearing with base explicitly specified */
Smear_Stout(Smear<Gimpl>* base) : SmearBase{base} {
assert(Nc == 3 && "Stout smearing currently implemented only for Nc==3");
}
/*! Default constructor */
/* Smear_Stout(double rho = 1.0) : SmearBase(new Smear_APE<Gimpl>(rho)) {
assert(Nc == 3);// "Stout smearing currently implemented only for Nc==3");
} */
/*! Construct stout smearing object from explicitly specified rho matrix */
Smear_Stout(const std::vector<double>& rho_)
: OwnedBase{new Smear_APE<Gimpl>(rho_)}, SmearBase{OwnedBase.get()} {
assert(Nc == 3 && "Stout smearing currently implemented only for Nc==3");
}
/*! general constructor */
Smear_Stout(std::vector<double>& rho_) : SmearBase(new Smear_APE<Gimpl>(rho_)) {
assert(Nc == 3 && "Stout smearing currently implemented only for Nc==3");
}
/*! Default constructor. rho is constant in all directions, optionally except for orthogonal dimension */
Smear_Stout(double rho = 1.0, int orthogdim = -1)
: OwnedBase{new Smear_APE<Gimpl>(rho3D(rho,orthogdim))}, SmearBase{OwnedBase.get()} {
assert(Nc == 3 && "Stout smearing currently implemented only for Nc==3");
}
/*! 3D constructor */
Smear_Stout(double rho = 1.0, int orthogdim = -1) : SmearBase{new Smear_APE<Gimpl>(rho3D(rho,orthogdim))} {
assert(Nc == 3 && "Stout smearing currently implemented only for Nc==3");
}
~Smear_Stout() {delete SmearBase;}
~Smear_Stout() {} // delete SmearBase...
void smear(GaugeField& u_smr, const GaugeField& U) const {
GaugeField C(U._grid);