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printsorted() implementation

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Jiri Pittner
2025-03-04 16:06:16 +01:00
parent ecdd2fefa5
commit ad1bee99a5
4 changed files with 91 additions and 1 deletions
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14
mat.h
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@@ -409,6 +409,10 @@ public:
const typename LA_traits<T>::normtype nonsymmetry() const;
const typename LA_traits<T>::normtype nonhermiticity() const;
//!print sorted list of matrix elements
void printsorted(std::ostream &s, int direction=1, bool absvalue=false, bool stable=false, typename LA_traits<T>::normtype thr=0, int topmax=0) const;
#ifndef NO_STRASSEN
//! Strassen's multiplication (better than \f$\mathacal{O}(n^3)\f$, analogous syntax to \see NRMat<T>::gemm() )
void strassen(const T beta, const NRMat &a, const char transa, const NRMat &b, const char transb, const T alpha);
@@ -1582,6 +1586,16 @@ for(int i=0; i<b.nrows(); ++i)
}
template<typename T>
void NRMat<T>::printsorted(std::ostream &s, int direction, bool absvalue, bool stable, typename LA_traits<T>::normtype thr, int topmax) const {
NRMat<int> indexmap(nn*mm,2);
NRVec tmp(*this);
int ii=0;
for(int i=0; i<nn; ++i) for(int j=0; j<mm; ++j) {indexmap[ii][0]=i; indexmap[ii][1]=j; ii++;}
tmp.printsorted(s,direction,absvalue,stable,thr,topmax,&indexmap);
}