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

copyonwrite() on nested LA types will recursively call element copyonwrites even if the top type had count=1

Browse Source
This commit is contained in:
Jiri Pittner
2024-04-03 22:12:08 +02:00
parent 80f915946b
commit 8bbbaa5bae
5 changed files with 43 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
smat.h
View File

@@ -168,7 +168,7 @@ public:
void get(int fd, bool dimensions = 1, bool transp = 0);
void put(int fd, bool dimensions = 1, bool transp = 0) const;
void copyonwrite(bool detachonly=false);
void copyonwrite(bool detachonly=false, bool deep=true);
void clear() {copyonwrite(LA_traits<T>::is_plaindata()); LA_traits<T>::clear(v,NN2);}; //zero out
void resize(const int n);
@@ -984,13 +984,21 @@ NRSMat<T> & NRSMat<T>::operator=(const NRSMat<T> & rhs) {
* @see NRSMat<T>::operator|=, NRSMat<T>::copyonwrite()
******************************************************************************/
template <typename T>
void NRSMat<T>::copyonwrite(bool detachonly) {
void NRSMat<T>::copyonwrite(bool detachonly, bool deep) {
if(!count)
{
if(nn) laerror("nonempty smat without reference count encountered");
if(_LA_warn_empty_copyonwrite) std::cout <<"Warning: copyonwrite of empty smat\n";
return;
}
if(*count == 1 && !LA_traits<T>::is_plaindata() && !detachonly && deep) //type-nested copyonwrite
{
#ifdef CUDALA
if(location != cpu) laerror("nested types not supported on gpu memory");
#endif
for(int i=0; i<NN2; ++i) LA_traits<T>::copyonwrite(v[i]);
}
if(*count > 1){
(*count)--;
count = new int;