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Merge pull request #17 from chillenzer/unify_gauge_groups

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Fix compilation error in nvcc (closes #15)
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Alessandro Lupo 2022-12-19 16:24:03 +00:00 committed by GitHub
commit d7dea44ce7
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3 changed files with 20 additions and 5 deletions
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12
Grid/qcd/utils/GaugeGroup.h
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@ -2,7 +2,7 @@
Grid physics library, www.github.com/paboyle/Grid Grid physics library, www.github.com/paboyle/Grid
Source file: ./lib/qcd/utils/SUn.h Source file: ./lib/qcd/utils/GaugeGroup.h
Copyright (C) 2015 Copyright (C) 2015
@ -32,15 +32,17 @@ directory
#ifndef QCD_UTIL_SUN_H #ifndef QCD_UTIL_SUN_H
#define QCD_UTIL_SUN_H #define QCD_UTIL_SUN_H
// Important detail: nvcc requires all template parameters to have names.
// This is the only reason why the second template parameter has a name.
#define ONLY_IF_SU \ #define ONLY_IF_SU \
typename dummy_name = group_name, \ typename dummy_name = group_name, \
typename = std::enable_if_t < \ typename named_dummy = std::enable_if_t < \
std::is_same<dummy_name, group_name>::value && \ std::is_same<dummy_name, group_name>::value && \
is_su<dummy_name>::value > is_su<dummy_name>::value >
#define ONLY_IF_Sp \ #define ONLY_IF_Sp \
typename dummy_name = group_name, \ typename dummy_name = group_name, \
typename = std::enable_if_t < \ typename named_dummy = std::enable_if_t < \
std::is_same<dummy_name, group_name>::value && \ std::is_same<dummy_name, group_name>::value && \
is_sp<dummy_name>::value > is_sp<dummy_name>::value >
@ -143,8 +145,8 @@ class GaugeGroup {
typedef Lattice<vSU2MatrixF> LatticeSU2MatrixF; typedef Lattice<vSU2MatrixF> LatticeSU2MatrixF;
typedef Lattice<vSU2MatrixD> LatticeSU2MatrixD; typedef Lattice<vSU2MatrixD> LatticeSU2MatrixD;
#include "Grid/qcd/utils/SUn.h" #include "Grid/qcd/utils/SUn.impl"
#include "Grid/qcd/utils/Sp2n.h" #include "Grid/qcd/utils/Sp2n.impl"
public: public:
template <class cplx> template <class cplx>

3
Grid/qcd/utils/SUn.h → Grid/qcd/utils/SUn.impl
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@ -5,6 +5,9 @@
// class GaugeGroup { // class GaugeGroup {
// //
// around it. // around it.
//
// Please note that the unconventional file extension makes sure that it
// doesn't get found by the scripts/filelist during bootstrapping.
private: private:
static int su2subgroups(GroupName::SU) { return (ncolour * (ncolour - 1)) / 2; } static int su2subgroups(GroupName::SU) { return (ncolour * (ncolour - 1)) / 2; }

10
Grid/qcd/utils/Sp2n.h → Grid/qcd/utils/Sp2n.impl
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@ -1,3 +1,13 @@
// This file is #included into the body of the class template definition of
// GaugeGroup. So, image there to be
//
// template <int ncolour, class group_name>
// class GaugeGroup {
//
// around it.
//
// Please note that the unconventional file extension makes sure that it
// doesn't get found by the scripts/filelist during bootstrapping.
private: private:
static int su2subgroups(GroupName::Sp) { return (ncolour/2 * (ncolour/2 - 1)) / 2; } static int su2subgroups(GroupName::Sp) { return (ncolour/2 * (ncolour/2 - 1)) / 2; }