Returning histogram array from a function

[srikanta]

Hello experts,
Please suggest how to return array of histograms from a function.

Thank you.
_ROOT Version: 5.34/30

[bellenot]

How to return an object like TH1F*[][]?

Try with: std::vector<std::vector<TH1F*> > ArrayManager::myHisto() { std::vector<std::vector<TH1F*> > histo(2, std::vector<TH1F*>(3)); // ... return histo; } or maybe even better: std::vector<std::vector<TH1F*> > *ArrayManager::myHisto() { std::vector<std::vector<TH1F*> > *histo = new std::vector<std::vector<TH1F*> >(2, std::vector<TH1F*>(3)); // ... return histo; } BTW. When you post “source code” or “output” here, do remember to enclose them into two lines which contain ju…