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small addition to permutation.h

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Jiri Pittner 2024-01-18 13:29:08 +01:00
parent 8bc2179f3b
commit ae83e43b4e
2 changed files with 13 additions and 3 deletions
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1
permutation.h
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@ -121,6 +121,7 @@ public:
WeightPermutation operator*(const R &x) const {return WeightPermutation(weight*x,perm); } WeightPermutation operator*(const R &x) const {return WeightPermutation(weight*x,perm); }
bool operator==(const WeightPermutation &rhs) const {return this->perm == rhs.perm;}; //NOTE for sorting, compares only the permutation not the weight! bool operator==(const WeightPermutation &rhs) const {return this->perm == rhs.perm;}; //NOTE for sorting, compares only the permutation not the weight!
bool operator!=(const WeightPermutation &rhs) const {return !(*this==rhs);} //NOTE: compares only the permutation
bool operator>(const WeightPermutation &rhs) const {return this->perm > rhs.perm;}; bool operator>(const WeightPermutation &rhs) const {return this->perm > rhs.perm;};
bool operator<(const WeightPermutation &rhs) const {return this->perm < rhs.perm;}; bool operator<(const WeightPermutation &rhs) const {return this->perm < rhs.perm;};
bool operator>=(const WeightPermutation &rhs) const {return !(*this < rhs);}; bool operator>=(const WeightPermutation &rhs) const {return !(*this < rhs);};

11
t.cc
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@ -3095,7 +3095,16 @@ for(int i=0; i<a.size(); ++i)
if(1) if(1)
{ {
//this is kucharskiP antisymmetrizer just without parsing the input /*this is kucharskiP antisymmetrizer just without parsing the input
generate antisymmetrization operator for Brandow diagrams in the Kucharski convention
#NOTE: permgener conserves order in the subsets,
#this means that the permuted elements label places
#in the expression, not the indices, since places
#correspond to already existing antisymmetry
#in principle it would be more logical to printout permutation of places rather than indices
#but this is more convenient for further processing
*/
NRVec<NRVec_from1<int> > groups; NRVec<NRVec_from1<int> > groups;
cin >> groups; cin >> groups;
int ntot=0; int ntot=0;