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Allow real comparisons and expressions in comparisons

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This commit is contained in:
Azusa Yamaguchi 2015-06-14 01:05:39 +01:00
parent 9bdb8ffb3f
commit 2303a2231b
1 changed files with 178 additions and 121 deletions
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299
lib/lattice/Lattice_comparison_utils.h
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@ -5,140 +5,197 @@ namespace Grid {
///////////////////////////////////////// /////////////////////////////////////////
// This implementation is a bit poor. // This implementation is a bit poor.
// Only support logical operations (== etc) //
// on scalar objects. Strip any tensor structures. // Only support relational logical operations (<, > etc)
// on scalar objects. Therefore can strip any tensor structures.
//
// Should guard this with isGridTensor<> enable if? // Should guard this with isGridTensor<> enable if?
///////////////////////////////////////// /////////////////////////////////////////
// Generic list of functors //
template<class lobj,class robj> class veq { // Generic list of functors
//
template<class lobj,class robj> class veq {
public:
vInteger operator()(const lobj &lhs, const robj &rhs)
{
return (lhs) == (rhs);
}
};
template<class lobj,class robj> class vne {
public:
vInteger operator()(const lobj &lhs, const robj &rhs)
{
return (lhs) != (rhs);
}
};
template<class lobj,class robj> class vlt {
public:
vInteger operator()(const lobj &lhs, const robj &rhs)
{
return (lhs) < (rhs);
}
};
template<class lobj,class robj> class vle {
public:
vInteger operator()(const lobj &lhs, const robj &rhs)
{
return (lhs) <= (rhs);
}
};
template<class lobj,class robj> class vgt {
public:
vInteger operator()(const lobj &lhs, const robj &rhs)
{
return (lhs) > (rhs);
}
};
template<class lobj,class robj> class vge {
public: public:
vInteger operator()(const lobj &lhs, const robj &rhs) vInteger operator()(const lobj &lhs, const robj &rhs)
{ {
return TensorRemove(lhs) == TensorRemove(rhs); return (lhs) >= (rhs);
} }
}; };
template<class lobj,class robj> class vne {
public: // Generic list of functors
vInteger operator()(const lobj &lhs, const robj &rhs) template<class lobj,class robj> class seq {
{ public:
return TensorRemove(lhs) != TensorRemove(rhs); Integer operator()(const lobj &lhs, const robj &rhs)
} {
}; return (lhs) == (rhs);
template<class lobj,class robj> class vlt { }
public: };
vInteger operator()(const lobj &lhs, const robj &rhs) template<class lobj,class robj> class sne {
{ public:
return TensorRemove(lhs) < TensorRemove(rhs); Integer operator()(const lobj &lhs, const robj &rhs)
} {
}; return (lhs) != (rhs);
template<class lobj,class robj> class vle { }
public: };
vInteger operator()(const lobj &lhs, const robj &rhs) template<class lobj,class robj> class slt {
{ public:
return TensorRemove(lhs) <= TensorRemove(rhs); Integer operator()(const lobj &lhs, const robj &rhs)
} {
}; return (lhs) < (rhs);
template<class lobj,class robj> class vgt { }
public: };
vInteger operator()(const lobj &lhs, const robj &rhs) template<class lobj,class robj> class sle {
{ public:
return TensorRemove(lhs) > TensorRemove(rhs); Integer operator()(const lobj &lhs, const robj &rhs)
} {
}; return (lhs) <= (rhs);
template<class lobj,class robj> class vge { }
public: };
vInteger operator()(const lobj &lhs, const robj &rhs) template<class lobj,class robj> class sgt {
{ public:
return TensorRemove(lhs) >= TensorRemove(rhs); Integer operator()(const lobj &lhs, const robj &rhs)
} {
}; return (lhs) > (rhs);
}
};
template<class lobj,class robj> class sge {
public:
Integer operator()(const lobj &lhs, const robj &rhs)
{
return (lhs) >= (rhs);
}
};
// Generic list of functors //////////////////////////////////////////////////////////////////////////////////////////////////////
template<class lobj,class robj> class seq { // Integer and real get extra relational functions.
public: //////////////////////////////////////////////////////////////////////////////////////////////////////
Integer operator()(const lobj &lhs, const robj &rhs) template<class sfunctor, class vsimd,IfNotComplex<vsimd> = 0>
{ inline vInteger Comparison(sfunctor sop,const vsimd & lhs, const vsimd & rhs)
return TensorRemove(lhs) == TensorRemove(rhs);
}
};
template<class lobj,class robj> class sne {
public:
Integer operator()(const lobj &lhs, const robj &rhs)
{
return TensorRemove(lhs) != TensorRemove(rhs);
}
};
template<class lobj,class robj> class slt {
public:
Integer operator()(const lobj &lhs, const robj &rhs)
{
return TensorRemove(lhs) < TensorRemove(rhs);
}
};
template<class lobj,class robj> class sle {
public:
Integer operator()(const lobj &lhs, const robj &rhs)
{
return TensorRemove(lhs) <= TensorRemove(rhs);
}
};
template<class lobj,class robj> class sgt {
public:
Integer operator()(const lobj &lhs, const robj &rhs)
{
return TensorRemove(lhs) > TensorRemove(rhs);
}
};
template<class lobj,class robj> class sge {
public:
Integer operator()(const lobj &lhs, const robj &rhs)
{
return TensorRemove(lhs) >= TensorRemove(rhs);
}
};
//////////////////////////////////////////////////////////////////////////////////////////////////////
// Integer gets extra relational functions. Could also implement these for RealF, RealD etc..
//////////////////////////////////////////////////////////////////////////////////////////////////////
template<class sfunctor>
inline vInteger Comparison(sfunctor sop,const vInteger & lhs, const vInteger & rhs)
{ {
std::vector<Integer> vlhs(vInteger::Nsimd()); // Use functors to reduce this to single implementation typedef typename vsimd::scalar_type scalar;
std::vector<Integer> vrhs(vInteger::Nsimd()); std::vector<scalar> vlhs(vsimd::Nsimd()); // Use functors to reduce this to single implementation
std::vector<scalar> vrhs(vsimd::Nsimd());
std::vector<Integer> vpred(vsimd::Nsimd());
vInteger ret; vInteger ret;
extract<vInteger,Integer>(lhs,vlhs); extract<vsimd,scalar>(lhs,vlhs);
extract<vInteger,Integer>(rhs,vrhs); extract<vsimd,scalar>(rhs,vrhs);
for(int s=0;s<vInteger::Nsimd();s++){ for(int s=0;s<vsimd::Nsimd();s++){
vlhs[s] = sop(vlhs[s],vrhs[s]); vpred[s] = sop(vlhs[s],vrhs[s]);
} }
merge<vInteger,Integer>(ret,vlhs); merge<vInteger,Integer>(ret,vpred);
return ret; return ret;
} }
inline vInteger operator < (const vInteger & lhs, const vInteger & rhs)
template<class sfunctor, class vsimd,IfNotComplex<vsimd> = 0>
inline vInteger Comparison(sfunctor sop,const vsimd & lhs, const typename vsimd::scalar_type & rhs)
{ {
return Comparison(slt<Integer,Integer>(),lhs,rhs); typedef typename vsimd::scalar_type scalar;
std::vector<scalar> vlhs(vsimd::Nsimd()); // Use functors to reduce this to single implementation
std::vector<Integer> vpred(vsimd::Nsimd());
vInteger ret;
extract<vsimd,scalar>(lhs,vlhs);
for(int s=0;s<vsimd::Nsimd();s++){
vpred[s] = sop(vlhs[s],rhs);
}
merge<vInteger,Integer>(ret,vpred);
return ret;
} }
inline vInteger operator <= (const vInteger & lhs, const vInteger & rhs)
template<class sfunctor, class vsimd,IfNotComplex<vsimd> = 0>
inline vInteger Comparison(sfunctor sop,const typename vsimd::scalar_type & lhs, const vsimd & rhs)
{ {
return Comparison(sle<Integer,Integer>(),lhs,rhs); typedef typename vsimd::scalar_type scalar;
} std::vector<scalar> vrhs(vsimd::Nsimd()); // Use functors to reduce this to single implementation
inline vInteger operator > (const vInteger & lhs, const vInteger & rhs) std::vector<Integer> vpred(vsimd::Nsimd());
{ vInteger ret;
return Comparison(sgt<Integer,Integer>(),lhs,rhs); extract<vsimd,scalar>(rhs,vrhs);
} for(int s=0;s<vsimd::Nsimd();s++){
inline vInteger operator >= (const vInteger & lhs, const vInteger & rhs) vpred[s] = sop(lhs,vrhs[s]);
{ }
return Comparison(sge<Integer,Integer>(),lhs,rhs); merge<vInteger,Integer>(ret,vpred);
} return ret;
inline vInteger operator == (const vInteger & lhs, const vInteger & rhs)
{
return Comparison(seq<Integer,Integer>(),lhs,rhs);
}
inline vInteger operator != (const vInteger & lhs, const vInteger & rhs)
{
return Comparison(sne<Integer,Integer>(),lhs,rhs);
} }
#define DECLARE_RELATIONAL(op,functor) \
template<class vsimd,IfSimd<vsimd> = 0>\
inline vInteger operator op (const vsimd & lhs, const vsimd & rhs)\
{\
typedef typename vsimd::scalar_type scalar;\
return Comparison(functor<scalar,scalar>(),lhs,rhs);\
}\
template<class vsimd,IfSimd<vsimd> = 0>\
inline vInteger operator op (const vsimd & lhs, const typename vsimd::scalar_type & rhs) \
{\
typedef typename vsimd::scalar_type scalar;\
return Comparison(functor<scalar,scalar>(),lhs,rhs);\
}\
template<class vsimd,IfSimd<vsimd> = 0>\
inline vInteger operator op (const typename vsimd::scalar_type & lhs, const vsimd & rhs) \
{\
typedef typename vsimd::scalar_type scalar;\
return Comparison(functor<scalar,scalar>(),lhs,rhs);\
}\
template<class vsimd>\
inline vInteger operator op(const iScalar<vsimd> &lhs,const iScalar<vsimd> &rhs)\
{ \
return lhs._internal op rhs._internal; \
} \
template<class vsimd>\
inline vInteger operator op(const iScalar<vsimd> &lhs,const typename vsimd::scalar_type &rhs) \
{ \
return lhs._internal op rhs; \
} \
template<class vsimd>\
inline vInteger operator op(const typename vsimd::scalar_type &lhs,const iScalar<vsimd> &rhs) \
{ \
return lhs op rhs._internal; \
}
DECLARE_RELATIONAL(<,slt);
DECLARE_RELATIONAL(<=,sle);
DECLARE_RELATIONAL(>,sgt);
DECLARE_RELATIONAL(>=,sge);
DECLARE_RELATIONAL(==,seq);
DECLARE_RELATIONAL(!=,sne);
#undef DECLARE_RELATIONAL
} }