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Big updates with progress towards wilson matrix

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This commit is contained in:
Peter Boyle
2015-04-26 15:51:09 +01:00
parent c678f2d255
commit 35cfef2129
27 changed files with 1008 additions and 355 deletions
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39
lib/math/Grid_math_tensors.h
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@ -8,6 +8,16 @@ namespace Grid {
// These can be composed to form tensor products of internal indices.
///////////////////////////////////////////////////
// It is useful to NOT have any constructors
// so that these classes assert "is_pod<class> == true"
// because then the standard C++ valarray container eliminates fill overhead on new allocation and
// non-move copying.
//
// However note that doing this eliminates some syntactical sugar such as
// calling the constructor explicitly or implicitly
//
#define TENSOR_IS_POD
template<class vtype> class iScalar
{
public:
@ -25,16 +35,22 @@ public:
// Scalar no action
// template<int Level> using tensor_reduce_level = typename iScalar<GridTypeMapper<vtype>::tensor_reduce_level<Level> >;
iScalar(){};
iScalar(scalar_type s) : _internal(s) {};// recurse down and hit the constructor for vector_type
iScalar(const Zero &z){ *this = zero; };
#ifndef TENSOR_IS_POD
iScalar(){;};
iScalar(scalar_type s) : _internal(s) {};// recurse down and hit the constructor for vector_type
iScalar(const Zero &z){ *this = zero; };
#endif
iScalar<vtype> & operator= (const Zero &hero){
zeroit(*this);
return *this;
zeroit(*this);
return *this;
}
iScalar<vtype> & operator= (const scalar_type s){
_internal=s;
return *this;
}
friend void zeroit(iScalar<vtype> &that){
zeroit(that._internal);
}
@ -114,8 +130,10 @@ public:
enum { TensorLevel = GridTypeMapper<vtype>::TensorLevel + 1};
iVector(const Zero &z){ *this = zero; };
iVector() {};// Empty constructure
#ifndef TENSOR_IS_POD
iVector(const Zero &z){ *this = zero; };
iVector() {};// Empty constructure
#endif
iVector<vtype,N> & operator= (const Zero &hero){
zeroit(*this);
@ -185,8 +203,11 @@ public:
enum { TensorLevel = GridTypeMapper<vtype>::TensorLevel + 1};
#ifndef TENSOR_IS_POD
iMatrix(const Zero &z){ *this = zero; };
iMatrix() {};
#endif
iMatrix<vtype,N> & operator= (const Zero &hero){
zeroit(*this);
return *this;