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- Function: gsl_ntuple * gsl_ntuple_open (char * filename, void * ntuple_data, size_t size)
-
This function opens an existing ntuple file filename for reading
and returns a pointer to a corresponding ntuple struct. The ntuples in
the file must have size size. A pointer to memory for the current
ntuple row ntuple_data must be supplied -- this is used to copy
ntuples in and out of the file.
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