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jiri
2006-10-21 15:32:53 +00:00
parent f4d3ad691e
commit 5633366c1f
8 changed files with 118 additions and 177 deletions
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45
sparsemat.h
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@@ -137,11 +137,48 @@ template <typename T>
inline const NRMat<T> SparseMat<T>::operator*(const NRMat<T> &rhs) const
{NRMat<T> result(nn,rhs.ncols()); result.gemm((T)0,*this,'n',rhs,'n',(T)1); return result;};
template <typename T>
extern istream& operator>>(istream &s, SparseMat<T> &x);
template <class T>
ostream& operator<<(ostream &s, const SparseMat<T> &x)
{
SPMatindex n,m;
n=x.nrows();
m=x.ncols();
s << (int)n << ' ' << (int)m << '\n';
matel<T> *list=x.getlist();
while(list)
{
s << (int)list->row << ' ' << (int)list->col << ' ' << (typename LA_traits_io<T>::IOtype)list->elem << '\n';
list=list->next;
}
s << "-1 -1\n";
return s;
}
template <class T>
istream& operator>>(istream &s, SparseMat<T> &x)
{
int i,j;
int n,m;
matel<T> *l=NULL;
s >> n >> m;
x.resize(n,m);
s >> i >> j;
while(i>=0 && j>=0)
{
matel<T> *ll = l;
l= new matel<T>;
l->next= ll;
l->row=i;
l->col=j;
typename LA_traits_io<T>::IOtype tmp;
s >> tmp;
l->elem=tmp;
s >> i >> j;
}
x.setlist(l);
return s;
}
template <typename T>
extern ostream& operator<<(ostream &s, const SparseMat<T> &x);
//destructor
template <typename T>