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jiri
2006-09-13 21:29:28 +00:00
parent 1e83e35cb1
commit 30b5975c15
4 changed files with 10 additions and 7 deletions
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4
mat.h
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@@ -70,8 +70,8 @@ public:
const NRVec<T> operator*(const NRVec<T> &rhs) const {NRVec<T> result(nn); result.gemv((T)0,*this,'n',(T)1,rhs); return result;}; // Mat * Vec
const NRVec<T> rsum() const; //sum of rows
const NRVec<T> csum() const; //sum of columns
const NRVec<T> row(const int i) const; //row of, efficient
const NRVec<T> column(const int j) const {NRVec<T> r(nn); for(int i=0; i<nn; ++i) r[i]= (*this)(i,j); return r;}; //column of, general but not very efficient
const NRVec<T> row(const int i, int l= -1) const; //row of, efficient
const NRVec<T> column(const int j, int l= -1) const {if(l<0) l=nn; NRVec<T> r(l); for(int i=0; i<l; ++i) r[i]= (*this)(i,j); return r;}; //column of, general but not very efficient
const T* diagonalof(NRVec<T> &, const bool divide=0, bool cache=false) const; //get diagonal
void gemv(const T beta, NRVec<T> &r, const char trans, const T alpha, const NRVec<T> &x) const {r.gemv(beta,*this,trans,alpha,x);};
inline T* operator[](const int i); //subscripting: pointer to row i