% FREQUENCY = WFDB_sampfreq
% FREQUENCY = WFDB_sampfreq(RECORD)
%
% If called without an argument, get the currently defined sampling frequency,
% if any, in sampling intervals per second.  If called with an argument, get
% the sampling frequency of the specified RECORD.
%
% RECORD: Record name (a string).
% FREQUENCY: Resulting sampling frequency.
%
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