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Cleaning up the recursion for traceIndex<n> after the changes the enable G++ to

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compile it again.
This commit is contained in:
Peter Boyle
2015-07-01 23:43:57 +01:00
parent 31a0c8d783
commit a5c3edaca9
7 changed files with 331 additions and 329 deletions
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321
lib/tensors/Tensor_index.h Normal file
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#ifndef GRID_TENSOR_INDEX_H
#define GRID_TENSOR_INDEX_H
////////////////////////////////////////////////////////////////////////////////////////
// Recursion for trace, transpose, peek, poke a specific index
////////////////////////////////////////////////////////////////////////////////////////
// Allow trace to recurse if vector, but never terminate on a vector
// trace of a different index can distribute across the vector index in a replicated way
// but we do not trace a vector index.
namespace Grid {
/* Needed?
template<int Level> inline ComplexF traceIndex(const ComplexF arg) { return arg;}
template<int Level> inline ComplexD traceIndex(const ComplexD arg) { return arg;}
template<int Level> inline RealF traceIndex(const RealF arg) { return arg;}
template<int Level> inline RealD traceIndex(const RealD arg) { return arg;}
*/
template<int Level>
class TensorIndexRecursion {
public:
template<class vtype>
static auto traceIndex(const iScalar<vtype> arg) -> iScalar<decltype(TensorIndexRecursion<Level-1>::traceIndex(arg._internal))>
{
iScalar<decltype(TensorIndexRecursion<Level-1>::traceIndex(arg._internal))> ret;
ret._internal = TensorIndexRecursion<Level-1>::traceIndex(arg._internal);
return ret;
}
template<class vtype,int N>
static auto traceIndex(const iVector<vtype,N> arg) -> iVector<decltype(TensorIndexRecursion<Level-1>::traceIndex(arg._internal[0])),N>
{
iVector<decltype(TensorIndexRecursion<Level-1>::traceIndex(arg._internal[0])),N> ret;
for(int i=0;i<N;i++){
ret._internal[i] = TensorIndexRecursion<Level-1>::traceIndex(arg._internal[i]);
}
return ret;
}
template<class vtype,int N>
static auto traceIndex(const iMatrix<vtype,N> arg) -> iMatrix<decltype(TensorIndexRecursion<Level-1>::traceIndex(arg._internal[0][0])),N>
{
iMatrix<decltype(TensorIndexRecursion<Level-1>::traceIndex(arg._internal[0][0])),N> ret;
for(int i=0;i<N;i++){
for(int j=0;j<N;j++){
ret._internal[i][j] = TensorIndexRecursion<Level-1>::traceIndex(arg._internal[i][j]);
}}
return ret;
}
////////////////////////////////////////////
// Recursion for peeking a specific index
////////////////////////////////////////////
template<class vtype>
static auto peekIndex(const iScalar<vtype> arg,int i) -> iScalar<decltype(TensorIndexRecursion<Level-1>::peekIndex(arg._internal,0))>
{
iScalar<decltype(TensorIndexRecursion<Level-1>::peekIndex(arg._internal,0))> ret;
ret._internal = TensorIndexRecursion<Level-1>::peekIndex(arg._internal,i);
return ret;
}
template<class vtype>
static auto peekIndex(const iScalar<vtype> arg,int i,int j) -> iScalar<decltype(TensorIndexRecursion<Level-1>::peekIndex(arg._internal,0,0))>
{
iScalar<decltype(TensorIndexRecursion<Level-1>::peekIndex(arg._internal,0,0))> ret;
ret._internal = TensorIndexRecursion<Level-1>::peekIndex(arg._internal,i,j);
return ret;
}
template<class vtype,int N>
static auto peekIndex(const iVector<vtype,N> arg,int ii) -> iVector<decltype(TensorIndexRecursion<Level-1>::peekIndex(arg._internal[0],0)),N>
{
iVector<decltype(TensorIndexRecursion<Level-1>::peekIndex(arg._internal[0],0)),N> ret;
for(int i=0;i<N;i++){
ret._internal[i] = TensorIndexRecursion<Level-1>::peekIndex(arg._internal[i],ii);
}
return ret;
}
template<class vtype,int N>
static auto peekIndex(const iVector<vtype,N> arg,int ii,int jj) -> iVector<decltype(TensorIndexRecursion<Level-1>::peekIndex(arg._internal[0],0,0)),N>
{
iVector<decltype(TensorIndexRecursion<Level-1>::peekIndex(arg._internal[0],0,0)),N> ret;
for(int i=0;i<N;i++){
ret._internal[i] = TensorIndexRecursion<Level-1>::peekIndex(arg._internal[i],ii,jj);
}
return ret;
}
template<class vtype,int N>
static auto peekIndex(const iMatrix<vtype,N> arg,int ii) -> iMatrix<decltype(TensorIndexRecursion<Level-1>::peekIndex(arg._internal[0][0],0)),N>
{
iMatrix<decltype(TensorIndexRecursion<Level-1>::peekIndex(arg._internal[0][0],0)),N> ret;
for(int i=0;i<N;i++){
for(int j=0;j<N;j++){
ret._internal[i][j] = TensorIndexRecursion<Level-1>::peekIndex(arg._internal[i][j],ii);
}}
return ret;
}
template<class vtype,int N>
static auto peekIndex(const iMatrix<vtype,N> arg,int ii,int jj) -> iMatrix<decltype(TensorIndexRecursion<Level-1>::peekIndex(arg._internal[0][0],0,0)),N>
{
iMatrix<decltype(TensorIndexRecursion<Level-1>::peekIndex(arg._internal[0][0],0,0)),N> ret;
for(int i=0;i<N;i++){
for(int j=0;j<N;j++){
ret._internal[i][j] = TensorIndexRecursion<Level-1>::peekIndex(arg._internal[i][j],ii,jj);
}}
return ret;
}
////////////////////////////////////////////
// Recursion for poking a specific index
////////////////////////////////////////////
template<class vtype> inline static
void pokeIndex(iScalar<vtype> &ret, const iScalar<decltype(TensorIndexRecursion<Level-1>::peekIndex(ret._internal,0))> &arg, int i)
{
TensorIndexRecursion<Level-1>::pokeIndex(ret._internal,arg._internal,i);
}
template<class vtype> inline static
void pokeIndex(iScalar<vtype> &ret, const iScalar<decltype(TensorIndexRecursion<Level-1>::peekIndex(ret._internal,0,0))> &arg, int i,int j)
{
TensorIndexRecursion<Level-1>::pokeIndex(ret._internal,arg._internal,i,j);
}
template<class vtype,int N> inline static
void pokeIndex(iVector<vtype,N> &ret, const iVector<decltype(TensorIndexRecursion<Level-1>::peekIndex(ret._internal,0)),N> &arg, int i)
{
for(int ii=0;ii<N;ii++){
TensorIndexRecursion<Level-1>::pokeIndex(ret._internal[ii],arg._internal[ii],i);
}
}
template<class vtype,int N> inline static
void pokeIndex(iVector<vtype,N> &ret, const iVector<decltype(TensorIndexRecursion<Level-1>::peekIndex(ret._internal,0)),N> &arg, int i,int j)
{
for(int ii=0;ii<N;ii++){
TensorIndexRecursion<Level-1>::pokeIndex(ret._internal[ii],arg._internal[ii],i,j);
}
}
template<class vtype,int N> inline static
void pokeIndex(iMatrix<vtype,N> &ret, const iMatrix<decltype(TensorIndexRecursion<Level-1>::peekIndex(ret._internal,0)),N> &arg, int i)
{
for(int ii=0;ii<N;ii++){
for(int jj=0;jj<N;jj++){
TensorIndexRecursion<Level-1>::pokeIndex(ret._internal[ii][jj],arg._internal[ii][jj],i);
}}
}
template<class vtype,int N> inline static
void pokeIndex(iMatrix<vtype,N> &ret, const iMatrix<decltype(TensorIndexRecursion<Level-1>::peekIndex(ret._internal,0)),N> &arg, int i,int j)
{
for(int ii=0;ii<N;ii++){
for(int jj=0;jj<N;jj++){
TensorIndexRecursion<Level-1>::pokeIndex(ret._internal[ii][jj],arg._internal[ii][jj],i,j);
}}
}
////////////////////////////////////////////
// Recursion for transposing a specific index
////////////////////////////////////////////
template<class vtype>
static auto transposeIndex(const iScalar<vtype> arg) -> iScalar<vtype>
{
iScalar<vtype> ret;
ret._internal = TensorIndexRecursion<Level-1>::transposeIndex(arg._internal);
return ret;
}
template<class vtype,int N>
static auto transposeIndex(const iVector<vtype,N> arg) -> iVector<vtype,N>
{
iVector<vtype,N> ret;
for(int i=0;i<N;i++){
ret._internal[i] = TensorIndexRecursion<Level-1>::transposeIndex(arg._internal[i]);
}
return ret;
}
template<class vtype,int N>
static auto transposeIndex(const iMatrix<vtype,N> arg) -> iMatrix<vtype,N>
{
iMatrix<vtype,N> ret;
for(int i=0;i<N;i++){
for(int j=0;j<N;j++){
ret._internal[i][j] = TensorIndexRecursion<Level-1>::transposeIndex(arg._internal[i][j]);
}}
return ret;
}
};
////////////////////////////
// strip const & ref quali's
////////////////////////////
#define RemoveCRV(a) typename std::remove_const<typename std::remove_reference<decltype(a)>::type>::type
template<>
class TensorIndexRecursion<0> {
public:
/////////////////////////////////////////
// Ends recursion for trace (scalar/vector/matrix)
/////////////////////////////////////////
template<class vtype>
static auto traceIndex(const iScalar<vtype> arg) -> iScalar<RemoveCRV(arg._internal)>
{
iScalar<RemoveCRV(arg._internal)> ret;
ret._internal = arg._internal;
return ret;
}
template<class vtype,int N>
static auto traceIndex(const iVector<vtype,N> arg) -> iScalar<RemoveCRV(arg._internal[0])>
{
iScalar<RemoveCRV(arg._internal[0])> ret;
ret._internal=zero;
for(int i=0;i<N;i++){
ret._internal = ret._internal+ arg._internal[i];
}
return ret;
}
template<class vtype,int N>
static auto traceIndex(const iMatrix<vtype,N> arg) -> iScalar<RemoveCRV(arg._internal[0][0])>
{
iScalar<RemoveCRV(arg._internal[0][0])> ret;
ret=zero;
for(int i=0;i<N;i++){
ret._internal = ret._internal+arg._internal[i][i];
}
return ret;
}
/////////////////////////////////////////
// Ends recursion for transpose scalar/matrix ; no way to terminate on vector
/////////////////////////////////////////
template<class vtype>
static auto transposeIndex(const iScalar<vtype> arg) -> iScalar<vtype>
{
iScalar<vtype> ret;
ret._internal = arg._internal;
return ret;
}
template<class vtype,int N>
static auto transposeIndex(const iMatrix<vtype,N> arg) -> iMatrix<vtype,N>
{
iMatrix<vtype,N> ret;
ret=zero;
for(int i=0;i<N;i++){
for(int j=0;j<N;j++){
ret._internal[i][j] = ret._internal[i][j]+arg._internal[i][j];
}}
return ret;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// End recursion for peeking a specific index; single index on vector, double index on matrix
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
template<class vtype,int N>
static auto peekIndex(const iVector<vtype,N> arg,int ii) -> iScalar<vtype>
{
iScalar<vtype> ret;
ret._internal = arg._internal[ii];
return ret;
}
template<class vtype,int N>
static auto peekIndex(const iMatrix<vtype,N> arg,int ii,int jj) -> iScalar<vtype>
{
iScalar<vtype> ret;
ret._internal = arg._internal[ii][jj];
return ret;
}
// Vector poke, one index
template<class vtype,int N> inline static
void pokeIndex(iVector<vtype,N> &ret, const iScalar<vtype> &arg,int i)
{
ret._internal[i] = arg._internal;
}
// Matrix poke two indices
template<class vtype,int N> inline static
void pokeIndex(iMatrix<vtype,N> &ret, const iScalar<vtype> &arg,int i,int j)
{
ret._internal[i][j] = arg._internal;
}
};
////////////////////////////////////////////////////////////////////////////////////////////////////////
// External wrappers
////////////////////////////////////////////////////////////////////////////////////////////////////////
template<int Level,class vtype> inline auto traceIndex (const vtype &arg) -> RemoveCRV(TensorIndexRecursion<Level>::traceIndex(arg))
{
RemoveCRV(TensorIndexRecursion<Level>::traceIndex(arg)) ret;
ret=TensorIndexRecursion<Level>::traceIndex(arg);
return ret;
}
template<int Level,class vtype> inline auto transposeIndex (const vtype &arg) -> RemoveCRV(TensorIndexRecursion<Level>::transposeIndex(arg))
{
RemoveCRV(TensorIndexRecursion<Level>::transposeIndex(arg)) ret;
ret=TensorIndexRecursion<Level>::transposeIndex(arg);
return ret;
}
template<int Level,class vtype> inline auto peekIndex (const vtype &arg,int i) -> RemoveCRV(TensorIndexRecursion<Level>::peekIndex(arg,0))
{
RemoveCRV(TensorIndexRecursion<Level>::peekIndex(arg,0)) ret;
ret=TensorIndexRecursion<Level>::peekIndex(arg,i);
return ret;
}
template<int Level,class vtype> inline auto peekIndex (const vtype &arg,int i,int j) -> RemoveCRV(TensorIndexRecursion<Level>::peekIndex(arg,0,0))
{
RemoveCRV(TensorIndexRecursion<Level>::peekIndex(arg,0,0)) ret;
ret=TensorIndexRecursion<Level>::peekIndex(arg,i,j);
return ret;
}
template<int Level,class vtype> inline
void pokeIndex (vtype &ret,const decltype(TensorIndexRecursion<Level>::peekIndex(ret,0)) &arg,int i)
{
TensorIndexRecursion<Level>::pokeIndex(ret,arg,i);
}
template<int Level,class vtype> inline
void pokeIndex (vtype &ret,const decltype(TensorIndexRecursion<Level>::peekIndex(ret,0,0)) &arg,int i,int j)
{
TensorIndexRecursion<Level>::pokeIndex(ret,arg,i,j);
}
#undef RemoveCRV
}
#endif

127
lib/tensors/Tensor_peek.h
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#ifndef GRID_MATH_PEEK_H
#define GRID_MATH_PEEK_H
namespace Grid {
//////////////////////////////////////////////////////////////////////////////
// Peek on a specific index; returns a scalar in that index, tensor inherits rest
//////////////////////////////////////////////////////////////////////////////
// If we hit the right index, return scalar with no further recursion
//template<int Level> inline ComplexF peekIndex(const ComplexF arg) { return arg;}
//template<int Level> inline ComplexD peekIndex(const ComplexD arg) { return arg;}
//template<int Level> inline RealF peekIndex(const RealF arg) { return arg;}
//template<int Level> inline RealD peekIndex(const RealD arg) { return arg;}
#if 0
// Scalar peek, no indices
template<int Level,class vtype,typename std::enable_if< iScalar<vtype>::TensorLevel == Level >::type * =nullptr> inline
auto peekIndex(const iScalar<vtype> &arg) -> iScalar<vtype>
{
return arg;
}
// Vector peek, one index
template<int Level,class vtype,int N,typename std::enable_if< iScalar<vtype>::TensorLevel == Level >::type * =nullptr> inline
auto peekIndex(const iVector<vtype,N> &arg,int i) -> iScalar<vtype> // Index matches
{
iScalar<vtype> ret; // return scalar
ret._internal = arg._internal[i];
return ret;
}
// Matrix peek, two indices
template<int Level,class vtype,int N,typename std::enable_if< iScalar<vtype>::TensorLevel == Level >::type * =nullptr> inline
auto peekIndex(const iMatrix<vtype,N> &arg,int i,int j) -> iScalar<vtype>
{
iScalar<vtype> ret; // return scalar
ret._internal = arg._internal[i][j];
return ret;
}
/////////////
// No match peek for scalar,vector,matrix must forward on either 0,1,2 args. Must have 9 routines with notvalue
/////////////
// scalar
template<int Level,class vtype,typename std::enable_if< iScalar<vtype>::TensorLevel != Level >::type * =nullptr> inline
auto peekIndex(const iScalar<vtype> &arg) -> iScalar<decltype(peekIndex<Level>(arg._internal))>
{
iScalar<decltype(peekIndex<Level>(arg._internal))> ret;
ret._internal= peekIndex<Level>(arg._internal);
return ret;
}
template<int Level,class vtype, typename std::enable_if< iScalar<vtype>::TensorLevel != Level >::type * =nullptr> inline
auto peekIndex(const iScalar<vtype> &arg,int i) -> iScalar<decltype(peekIndex<Level>(arg._internal,i))>
{
iScalar<decltype(peekIndex<Level>(arg._internal,i))> ret;
ret._internal=peekIndex<Level>(arg._internal,i);
return ret;
}
template<int Level,class vtype, typename std::enable_if< iScalar<vtype>::TensorLevel != Level >::type * =nullptr> inline
auto peekIndex(const iScalar<vtype> &arg,int i,int j) -> iScalar<decltype(peekIndex<Level>(arg._internal,i,j))>
{
iScalar<decltype(peekIndex<Level>(arg._internal,i,j))> ret;
ret._internal=peekIndex<Level>(arg._internal,i,j);
return ret;
}
// vector
template<int Level,class vtype,int N, typename std::enable_if< iScalar<vtype>::TensorLevel != Level >::type * =nullptr> inline
auto peekIndex(const iVector<vtype,N> &arg) -> iVector<decltype(peekIndex<Level>(arg._internal[0])),N>
{
iVector<decltype(peekIndex<Level>(arg._internal[0])),N> ret;
for(int ii=0;ii<N;ii++){
ret._internal[ii]=peekIndex<Level>(arg._internal[ii]);
}
return ret;
}
template<int Level,class vtype,int N, typename std::enable_if< iScalar<vtype>::TensorLevel != Level >::type * =nullptr> inline
auto peekIndex(const iVector<vtype,N> &arg,int i) -> iVector<decltype(peekIndex<Level>(arg._internal[0],i)),N>
{
iVector<decltype(peekIndex<Level>(arg._internal[0],i)),N> ret;
for(int ii=0;ii<N;ii++){
ret._internal[ii]=peekIndex<Level>(arg._internal[ii],i);
}
return ret;
}
template<int Level,class vtype,int N, typename std::enable_if< iScalar<vtype>::TensorLevel != Level >::type * =nullptr> inline
auto peekIndex(const iVector<vtype,N> &arg,int i,int j) -> iVector<decltype(peekIndex<Level>(arg._internal[0],i,j)),N>
{
iVector<decltype(peekIndex<Level>(arg._internal[0],i,j)),N> ret;
for(int ii=0;ii<N;ii++){
ret._internal[ii]=peekIndex<Level>(arg._internal[ii],i,j);
}
return ret;
}
// matrix
template<int Level,class vtype,int N, typename std::enable_if< iScalar<vtype>::TensorLevel != Level >::type * =nullptr> inline
auto peekIndex(const iMatrix<vtype,N> &arg) -> iMatrix<decltype(peekIndex<Level>(arg._internal[0][0])),N>
{
iMatrix<decltype(peekIndex<Level>(arg._internal[0][0])),N> ret;
for(int ii=0;ii<N;ii++){
for(int jj=0;jj<N;jj++){
ret._internal[ii][jj]=peekIndex<Level>(arg._internal[ii][jj]);// Could avoid this because peeking a scalar is dumb
}}
return ret;
}
template<int Level,class vtype,int N, typename std::enable_if< iScalar<vtype>::TensorLevel != Level >::type * =nullptr> inline
auto peekIndex(const iMatrix<vtype,N> &arg,int i) -> iMatrix<decltype(peekIndex<Level>(arg._internal[0][0],i)),N>
{
iMatrix<decltype(peekIndex<Level>(arg._internal[0][0],i)),N> ret;
for(int ii=0;ii<N;ii++){
for(int jj=0;jj<N;jj++){
ret._internal[ii][jj]=peekIndex<Level>(arg._internal[ii][jj],i);
}}
return ret;
}
template<int Level,class vtype,int N, typename std::enable_if< iScalar<vtype>::TensorLevel != Level >::type * =nullptr> inline
auto peekIndex(const iMatrix<vtype,N> &arg,int i,int j) -> iMatrix<decltype(peekIndex<Level>(arg._internal[0][0],i,j)),N>
{
iMatrix<decltype(peekIndex<Level>(arg._internal[0][0],i,j)),N> ret;
for(int ii=0;ii<N;ii++){
for(int jj=0;jj<N;jj++){
ret._internal[ii][jj]=peekIndex<Level>(arg._internal[ii][jj],i,j);
}}
return ret;
}
#endif
}
#endif

100
lib/tensors/Tensor_poke.h
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@ -1,100 +0,0 @@
#ifndef GRID_MATH_POKE_H
#define GRID_MATH_POKE_H
namespace Grid {
//////////////////////////////////////////////////////////////////////////////
// Poke a specific index;
//////////////////////////////////////////////////////////////////////////////
#if 0
// Scalar poke
template<int Level,class vtype,typename std::enable_if< iScalar<vtype>::TensorLevel == Level >::type * =nullptr> inline
void pokeIndex(iScalar<vtype> &ret, const iScalar<vtype> &arg)
{
ret._internal = arg._internal;
}
// Vector poke, one index
template<int Level,class vtype,int N,typename std::enable_if< iScalar<vtype>::TensorLevel == Level >::type * =nullptr> inline
void pokeIndex(iVector<vtype,N> &ret, const iScalar<vtype> &arg,int i)
{
ret._internal[i] = arg._internal;
}
//Matrix poke, two indices
template<int Level,class vtype,int N,typename std::enable_if< iScalar<vtype>::TensorLevel == Level >::type * =nullptr> inline
void pokeIndex(iMatrix<vtype,N> &ret, const iScalar<vtype> &arg,int i,int j)
{
ret._internal[i][j] = arg._internal;
}
/////////////
// No match poke for scalar,vector,matrix must forward on either 0,1,2 args. Must have 9 routines with notvalue
/////////////
// scalar
template<int Level,class vtype,typename std::enable_if< iScalar<vtype>::TensorLevel != Level >::type * =nullptr> inline
void pokeIndex(iScalar<vtype> &ret, const iScalar<decltype(peekIndex<Level>(ret._internal))> &arg)
{
pokeIndex<Level>(ret._internal,arg._internal);
}
template<int Level,class vtype,typename std::enable_if< iScalar<vtype>::TensorLevel != Level >::type * =nullptr> inline
void pokeIndex(iScalar<vtype> &ret, const iScalar<decltype(peekIndex<Level>(ret._internal,0))> &arg, int i)
{
pokeIndex<Level>(ret._internal,arg._internal,i);
}
template<int Level,class vtype,typename std::enable_if< iScalar<vtype>::TensorLevel != Level >::type * =nullptr> inline
void pokeIndex(iScalar<vtype> &ret, const iScalar<decltype(peekIndex<Level>(ret._internal,0,0))> &arg,int i,int j)
{
pokeIndex<Level>(ret._internal,arg._internal,i,j);
}
// Vector
template<int Level,class vtype,int N,typename std::enable_if< iScalar<vtype>::TensorLevel != Level >::type * =nullptr> inline
void pokeIndex(iVector<vtype,N> &ret, iVector<decltype(peekIndex<Level>(ret._internal)),N> &arg)
{
for(int ii=0;ii<N;ii++){
pokeIndex<Level>(ret._internal[ii],arg._internal[ii]);
}
}
template<int Level,class vtype,int N,typename std::enable_if< iScalar<vtype>::TensorLevel != Level >::type * =nullptr> inline
void pokeIndex(iVector<vtype,N> &ret, const iVector<decltype(peekIndex<Level>(ret._internal,0)),N> &arg,int i)
{
for(int ii=0;ii<N;ii++){
pokeIndex<Level>(ret._internal[ii],arg._internal[ii],i);
}
}
template<int Level,class vtype,int N,typename std::enable_if< iScalar<vtype>::TensorLevel != Level >::type * =nullptr> inline
void pokeIndex(iVector<vtype,N> &ret, const iVector<decltype(peekIndex<Level>(ret._internal,0,0)),N> &arg,int i,int j)
{
for(int ii=0;ii<N;ii++){
pokeIndex<Level>(ret._internal[ii],arg._internal[ii],i,j);
}
}
// Matrix
template<int Level,class vtype,int N,typename std::enable_if< iScalar<vtype>::TensorLevel != Level >::type * =nullptr> inline
void pokeIndex(iMatrix<vtype,N> &ret, const iMatrix<decltype(peekIndex<Level>(ret._internal)),N> &arg)
{
for(int ii=0;ii<N;ii++){
for(int jj=0;jj<N;jj++){
pokeIndex<Level>(ret._internal[ii][jj],arg._internal[ii][jj]);
}}
}
template<int Level,class vtype,int N,typename std::enable_if< iScalar<vtype>::TensorLevel != Level >::type * =nullptr> inline
void pokeIndex(iMatrix<vtype,N> &ret, const iMatrix<decltype(peekIndex<Level>(ret._internal,0)),N> &arg,int i)
{
for(int ii=0;ii<N;ii++){
for(int jj=0;jj<N;jj++){
pokeIndex<Level>(ret._internal[ii][jj],arg._internal[ii][jj],i);
}}
}
template<int Level,class vtype,int N,typename std::enable_if< iScalar<vtype>::TensorLevel != Level >::type * =nullptr> inline
void pokeIndex(iMatrix<vtype,N> &ret, const iMatrix<decltype(peekIndex<Level>(ret._internal,0,0)),N> &arg, int i,int j)
{
for(int ii=0;ii<N;ii++){
for(int jj=0;jj<N;jj++){
pokeIndex<Level>(ret._internal[ii][jj],arg._internal[ii][jj],i,j);
}}
}
#endif
}
#endif

330
lib/tensors/Tensor_trace.h
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@ -1,8 +1,10 @@
#ifndef GRID_MATH_TRACE_H
#define GRID_MATH_TRACE_H
namespace Grid {
//////////////////////////////////////////////////////////////////
// Traces: both all indices and a specific index
// Traces: both all indices and a specific index. Indices must be
// either scalar or matrix
/////////////////////////////////////////////////////////////////
inline ComplexF trace( const ComplexF &arg){ return arg;}
@ -10,11 +12,6 @@ inline ComplexD trace( const ComplexD &arg){ return arg;}
inline RealF trace( const RealF &arg){ return arg;}
inline RealD trace( const RealD &arg){ return arg;}
template<int Level> inline ComplexF traceIndex(const ComplexF arg) { return arg;}
template<int Level> inline ComplexD traceIndex(const ComplexD arg) { return arg;}
template<int Level> inline RealF traceIndex(const RealF arg) { return arg;}
template<int Level> inline RealD traceIndex(const RealD arg) { return arg;}
template<class vtype,int N>
inline auto trace(const iMatrix<vtype,N> &arg) -> iScalar<decltype(trace(arg._internal[0][0]))>
{
@ -25,6 +22,7 @@ inline auto trace(const iMatrix<vtype,N> &arg) -> iScalar<decltype(trace(arg._in
}
return ret;
}
template<class vtype>
inline auto trace(const iScalar<vtype> &arg) -> iScalar<decltype(trace(arg._internal))>
{
@ -33,326 +31,6 @@ inline auto trace(const iScalar<vtype> &arg) -> iScalar<decltype(trace(arg._inte
return ret;
}
/////////////////////////////////////
// Alternate implementation .. count
// indices from left. Annoying but
// I'm working around compiler bugs in gcc and earlier icpc
/////////////////////////////////////
// Allow to recurse if vector, but never terminate on a vector
// ltrace of a different index can distribute across the vector index in a replicated way
// but we do not ltrace a vector index.
template<int Level>
class TensorIndexRecursion {
public:
////////////////////////////////////////////
// Recursion for tracing a specific index
////////////////////////////////////////////
template<class vtype>
static auto traceIndex(const iScalar<vtype> arg) -> iScalar<decltype(TensorIndexRecursion<Level-1>::traceIndex(arg._internal))>
{
iScalar<decltype(TensorIndexRecursion<Level-1>::traceIndex(arg._internal))> ret;
ret._internal = TensorIndexRecursion<Level-1>::traceIndex(arg._internal);
return ret;
}
template<class vtype,int N>
static auto traceIndex(const iVector<vtype,N> arg) -> iVector<decltype(TensorIndexRecursion<Level-1>::traceIndex(arg._internal[0])),N>
{
iVector<decltype(TensorIndexRecursion<Level-1>::traceIndex(arg._internal[0])),N> ret;
for(int i=0;i<N;i++){
ret._internal[i] = TensorIndexRecursion<Level-1>::traceIndex(arg._internal[i]);
}
return ret;
}
template<class vtype,int N>
static auto traceIndex(const iMatrix<vtype,N> arg) -> iMatrix<decltype(TensorIndexRecursion<Level-1>::traceIndex(arg._internal[0][0])),N>
{
iMatrix<decltype(TensorIndexRecursion<Level-1>::traceIndex(arg._internal[0][0])),N> ret;
for(int i=0;i<N;i++){
for(int j=0;j<N;j++){
ret._internal[i][j] = TensorIndexRecursion<Level-1>::traceIndex(arg._internal[i][j]);
}}
return ret;
}
////////////////////////////////////////////
// Recursion for peeking a specific index
////////////////////////////////////////////
template<class vtype>
static auto peekIndex(const iScalar<vtype> arg,int i) -> iScalar<decltype(TensorIndexRecursion<Level-1>::peekIndex(arg._internal,0))>
{
iScalar<decltype(TensorIndexRecursion<Level-1>::peekIndex(arg._internal,0))> ret;
ret._internal = TensorIndexRecursion<Level-1>::peekIndex(arg._internal,i);
return ret;
}
template<class vtype>
static auto peekIndex(const iScalar<vtype> arg,int i,int j) -> iScalar<decltype(TensorIndexRecursion<Level-1>::peekIndex(arg._internal,0,0))>
{
iScalar<decltype(TensorIndexRecursion<Level-1>::peekIndex(arg._internal,0,0))> ret;
ret._internal = TensorIndexRecursion<Level-1>::peekIndex(arg._internal,i,j);
return ret;
}
template<class vtype,int N>
static auto peekIndex(const iVector<vtype,N> arg,int ii) -> iVector<decltype(TensorIndexRecursion<Level-1>::peekIndex(arg._internal[0],0)),N>
{
iVector<decltype(TensorIndexRecursion<Level-1>::peekIndex(arg._internal[0],0)),N> ret;
for(int i=0;i<N;i++){
ret._internal[i] = TensorIndexRecursion<Level-1>::peekIndex(arg._internal[i],ii);
}
return ret;
}
template<class vtype,int N>
static auto peekIndex(const iVector<vtype,N> arg,int ii,int jj) -> iVector<decltype(TensorIndexRecursion<Level-1>::peekIndex(arg._internal[0],0,0)),N>
{
iVector<decltype(TensorIndexRecursion<Level-1>::peekIndex(arg._internal[0],0,0)),N> ret;
for(int i=0;i<N;i++){
ret._internal[i] = TensorIndexRecursion<Level-1>::peekIndex(arg._internal[i],ii,jj);
}
return ret;
}
template<class vtype,int N>
static auto peekIndex(const iMatrix<vtype,N> arg,int ii) -> iMatrix<decltype(TensorIndexRecursion<Level-1>::peekIndex(arg._internal[0][0],0)),N>
{
iMatrix<decltype(TensorIndexRecursion<Level-1>::peekIndex(arg._internal[0][0],0)),N> ret;
for(int i=0;i<N;i++){
for(int j=0;j<N;j++){
ret._internal[i][j] = TensorIndexRecursion<Level-1>::peekIndex(arg._internal[i][j],ii);
}}
return ret;
}
template<class vtype,int N>
static auto peekIndex(const iMatrix<vtype,N> arg,int ii,int jj) -> iMatrix<decltype(TensorIndexRecursion<Level-1>::peekIndex(arg._internal[0][0],0,0)),N>
{
iMatrix<decltype(TensorIndexRecursion<Level-1>::peekIndex(arg._internal[0][0],0,0)),N> ret;
for(int i=0;i<N;i++){
for(int j=0;j<N;j++){
ret._internal[i][j] = TensorIndexRecursion<Level-1>::peekIndex(arg._internal[i][j],ii,jj);
}}
return ret;
}
////////////////////////////////////////////
// Recursion for poking a specific index
////////////////////////////////////////////
template<class vtype> inline static
void pokeIndex(iScalar<vtype> &ret, const iScalar<decltype(TensorIndexRecursion<Level-1>::peekIndex(ret._internal,0))> &arg, int i)
{
TensorIndexRecursion<Level-1>::pokeIndex(ret._internal,arg._internal,i);
}
template<class vtype> inline static
void pokeIndex(iScalar<vtype> &ret, const iScalar<decltype(TensorIndexRecursion<Level-1>::peekIndex(ret._internal,0,0))> &arg, int i,int j)
{
TensorIndexRecursion<Level-1>::pokeIndex(ret._internal,arg._internal,i,j);
}
template<class vtype,int N> inline static
void pokeIndex(iVector<vtype,N> &ret, const iVector<decltype(TensorIndexRecursion<Level-1>::peekIndex(ret._internal,0)),N> &arg, int i)
{
for(int ii=0;ii<N;ii++){
TensorIndexRecursion<Level-1>::pokeIndex(ret._internal[ii],arg._internal[ii],i);
}
}
template<class vtype,int N> inline static
void pokeIndex(iVector<vtype,N> &ret, const iVector<decltype(TensorIndexRecursion<Level-1>::peekIndex(ret._internal,0)),N> &arg, int i,int j)
{
for(int ii=0;ii<N;ii++){
TensorIndexRecursion<Level-1>::pokeIndex(ret._internal[ii],arg._internal[ii],i,j);
}
}
template<class vtype,int N> inline static
void pokeIndex(iMatrix<vtype,N> &ret, const iMatrix<decltype(TensorIndexRecursion<Level-1>::peekIndex(ret._internal,0)),N> &arg, int i)
{
for(int ii=0;ii<N;ii++){
for(int jj=0;jj<N;jj++){
TensorIndexRecursion<Level-1>::pokeIndex(ret._internal[ii][jj],arg._internal[ii][jj],i);
}}
}
template<class vtype,int N> inline static
void pokeIndex(iMatrix<vtype,N> &ret, const iMatrix<decltype(TensorIndexRecursion<Level-1>::peekIndex(ret._internal,0)),N> &arg, int i,int j)
{
for(int ii=0;ii<N;ii++){
for(int jj=0;jj<N;jj++){
TensorIndexRecursion<Level-1>::pokeIndex(ret._internal[ii][jj],arg._internal[ii][jj],i,j);
}}
}
////////////////////////////////////////////
// Recursion for transposing a specific index
////////////////////////////////////////////
template<class vtype>
static auto transposeIndex(const iScalar<vtype> arg) -> iScalar<vtype>
{
iScalar<vtype> ret;
ret._internal = TensorIndexRecursion<Level-1>::transposeIndex(arg._internal);
return ret;
}
template<class vtype,int N>
static auto transposeIndex(const iVector<vtype,N> arg) -> iVector<vtype,N>
{
iVector<vtype,N> ret;
for(int i=0;i<N;i++){
ret._internal[i] = TensorIndexRecursion<Level-1>::transposeIndex(arg._internal[i]);
}
return ret;
}
template<class vtype,int N>
static auto transposeIndex(const iMatrix<vtype,N> arg) -> iMatrix<vtype,N>
{
iMatrix<vtype,N> ret;
for(int i=0;i<N;i++){
for(int j=0;j<N;j++){
ret._internal[i][j] = TensorIndexRecursion<Level-1>::transposeIndex(arg._internal[i][j]);
}}
return ret;
}
};
////////////////////////////
// strip const & ref quali's
////////////////////////////
#define RemoveCRV(a) typename std::remove_const<typename std::remove_reference<decltype(a)>::type>::type
template<>
class TensorIndexRecursion<0> {
public:
/////////////////////////////////////////
// Ends recursion for trace (scalar/vector/matrix)
/////////////////////////////////////////
template<class vtype>
static auto traceIndex(const iScalar<vtype> arg) -> iScalar<RemoveCRV(arg._internal)>
{
iScalar<RemoveCRV(arg._internal)> ret;
ret._internal = arg._internal;
return ret;
}
template<class vtype,int N>
static auto traceIndex(const iVector<vtype,N> arg) -> iScalar<RemoveCRV(arg._internal[0])>
{
iScalar<RemoveCRV(arg._internal[0])> ret;
ret._internal=zero;
for(int i=0;i<N;i++){
ret._internal = ret._internal+ arg._internal[i];
}
return ret;
}
template<class vtype,int N>
static auto traceIndex(const iMatrix<vtype,N> arg) -> iScalar<RemoveCRV(arg._internal[0][0])>
{
iScalar<RemoveCRV(arg._internal[0][0])> ret;
ret=zero;
for(int i=0;i<N;i++){
ret._internal = ret._internal+arg._internal[i][i];
}
return ret;
}
/////////////////////////////////////////
// Ends recursion for transpose scalar/vector/matrix
/////////////////////////////////////////
template<class vtype>
static auto transposeIndex(const iScalar<vtype> arg) -> iScalar<vtype>
{
iScalar<vtype> ret;
ret._internal = arg._internal;
return ret;
}
template<class vtype,int N>
static auto transposeIndex(const iVector<vtype,N> arg) -> iVector<vtype,N>
{
iScalar<vtype> ret;
ret._internal=zero;
for(int i=0;i<N;i++){
ret._internal = ret._internal+ arg._internal[i];
}
return ret;
}
template<class vtype,int N>
static auto transposeIndex(const iMatrix<vtype,N> arg) -> iMatrix<vtype,N>
{
iScalar<vtype> ret;
ret=zero;
for(int i=0;i<N;i++){
ret._internal = ret._internal+arg._internal[i][i];
}
return ret;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// End recursion for peeking a specific index; single index on vector, double index on matrix
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
template<class vtype,int N>
static auto peekIndex(const iVector<vtype,N> arg,int ii) -> iScalar<vtype>
{
iScalar<vtype> ret;
ret._internal = arg._internal[ii];
return ret;
}
template<class vtype,int N>
static auto peekIndex(const iMatrix<vtype,N> arg,int ii,int jj) -> iScalar<vtype>
{
iScalar<vtype> ret;
ret._internal = arg._internal[ii][jj];
return ret;
}
// Vector poke, one index
template<class vtype,int N> inline static
void pokeIndex(iVector<vtype,N> &ret, const iScalar<vtype> &arg,int i)
{
ret._internal[i] = arg._internal;
}
// Matrix poke two indices
template<class vtype,int N> inline static
void pokeIndex(iMatrix<vtype,N> &ret, const iScalar<vtype> &arg,int i,int j)
{
ret._internal[i][j] = arg._internal;
}
};
////////////////////////////////////////////////////////////////////////////////////////////////////////
// External wrappers
////////////////////////////////////////////////////////////////////////////////////////////////////////
template<int Level,class vtype> inline auto traceIndex (const vtype &arg) -> RemoveCRV(TensorIndexRecursion<Level>::traceIndex(arg))
{
RemoveCRV(TensorIndexRecursion<Level>::traceIndex(arg)) ret;
ret=TensorIndexRecursion<Level>::traceIndex(arg);
return ret;
}
template<int Level,class vtype> inline auto transposeIndex (const vtype &arg) -> RemoveCRV(TensorIndexRecursion<Level>::transposeIndex(arg))
{
RemoveCRV(TensorIndexRecursion<Level>::transposeIndex(arg)) ret;
ret=TensorIndexRecursion<Level>::transposeIndex(arg);
return ret;
}
template<int Level,class vtype> inline auto peekIndex (const vtype &arg,int i) -> RemoveCRV(TensorIndexRecursion<Level>::peekIndex(arg,0))
{
RemoveCRV(TensorIndexRecursion<Level>::peekIndex(arg,0)) ret;
ret=TensorIndexRecursion<Level>::peekIndex(arg,i);
return ret;
}
template<int Level,class vtype> inline auto peekIndex (const vtype &arg,int i,int j) -> RemoveCRV(TensorIndexRecursion<Level>::peekIndex(arg,0,0))
{
RemoveCRV(TensorIndexRecursion<Level>::peekIndex(arg,0,0)) ret;
ret=TensorIndexRecursion<Level>::peekIndex(arg,i,j);
return ret;
}
template<int Level,class vtype> inline
void pokeIndex (vtype &ret,const decltype(TensorIndexRecursion<Level>::peekIndex(ret,0)) &arg,int i)
{
TensorIndexRecursion<Level>::pokeIndex(ret,arg,i);
}
template<int Level,class vtype> inline
void pokeIndex (vtype &ret,const decltype(TensorIndexRecursion<Level>::peekIndex(ret,0,0)) &arg,int i,int j)
{
TensorIndexRecursion<Level>::pokeIndex(ret,arg,i,j);
}
#undef RemoveCRV
}
#endif

2
lib/tensors/Tensor_transpose.h
View File

@ -59,6 +59,7 @@ template<class vtype>
// Transpose a specific index; instructive to compare this style of recursion termination
// to that of adj; which is easiers?
////////////////////////////////////////////////////////////////////////////////////////////
#if 0
template<int Level,class vtype,int N> inline
typename std::enable_if<matchGridTensorIndex<iMatrix<vtype,N>,Level>::value, iMatrix<vtype,N> >::type
transposeIndex (const iMatrix<vtype,N> &arg)
@ -96,6 +97,7 @@ transposeIndex (const iScalar<vtype> &arg)
{
return arg;
}
#endif
}
#endif