jiri/LA_library
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

implemented complex conjugation method where it was not available yet

Browse Source
This commit is contained in:
Jiri Pittner
2024-05-03 16:56:21 +02:00
parent 518c75fb20
commit 3ba6d03eee
8 changed files with 129 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
tensor.h
View File

@@ -147,6 +147,10 @@ public:
inline Tensor& operator/=(const T &a) {data/=a; return *this;};
inline Tensor operator/(const T &a) const {Tensor r(*this); r /=a; return r;};
Tensor& conjugateme() {data.conjugateme(); return *this;};
inline Tensor conjugate() const {Tensor r(*this); r.conjugateme(); return r;};
inline Tensor& operator+=(const Tensor &rhs)
{
@@ -180,8 +184,8 @@ public:
Tensor permute_index_groups(const NRPerm<int> &p) const; //rearrange the tensor storage permuting index groups as a whole
Tensor unwind_index(int group, int index) const; //separate an index from a group and expand it to full range as the least significant one
void addcontraction(const Tensor &rhs1, int group, int index, const Tensor &rhs, int rhsgroup, int rhsindex, T alpha=1, T beta=1, bool doresize=false);
inline Tensor contraction(int group, int index, const Tensor &rhs, int rhsgroup, int rhsindex, T alpha=1) const {Tensor<T> r; r.addcontraction(*this,group,index,rhs,rhsgroup,rhsindex,alpha,0,true); return r; }
void addcontraction(const Tensor &rhs1, int group, int index, const Tensor &rhs, int rhsgroup, int rhsindex, T alpha=1, T beta=1, bool doresize=false, bool conjugate=false);
inline Tensor contraction(int group, int index, const Tensor &rhs, int rhsgroup, int rhsindex, T alpha=1, bool conjugate=false) const {Tensor<T> r; r.addcontraction(*this,group,index,rhs,rhsgroup,rhsindex,alpha,0,true, conjugate); return r; }
void apply_permutation_algebra(const Tensor &rhs, const PermutationAlgebra<int,T> &pa, bool inverse=false, T alpha=1, T beta=0); //general (not optimally efficient) symmetrizers, antisymmetrizers etc. acting on the flattened index list:
// this *=beta; for I over this: this(I) += alpha * sum_P c_P rhs(P(I))