dshelper_raw_spect::extend_arrays

Source: dataset/helpers/raw_spect/dshelper_raw_spect__extend_arrays.pro

 dshelper_raw_spect::extend_arrays
        Extends the data arrays as requested by ACQUIRE_DATA etc.
        Extension is by 20% of current length.

 Call:
        dsref -> extend_arrays, rates, times, accum, ndmax

 Arguments: 
        rates   float   inout   The rates array to extend.
        times   double  inout   The times array to extend.
        accum   float   inout   The accumulation array to extend.
        ndmax   int     inout   Maximum number of times in data arrays

 History:
        Extracted from ACQUIRE_DATA: 18/9/91; SJT
        Minimum extension set to 20: 2/12/91; SJT
        Mag field for movie added by key: 5/12/91; SJT
        Accumulation array extended properly: 6/1/92; SJT
        Add s/c position arrays: 21/2/94; SJT
        Accum for all except MFSA: 15/4/94; SJT
        Use TEMPORARY function to save space: 23/8/94; SJT
        No ephem arrays for ULA data: 21/9/94; SJT
        Recast as a method of the rates_dataset class: 31/1/00; SJT
        N.B> Also used for MFSA the formulation is the same: 8/6/00;
        SJT
        Add times: 7/2/01; SJT
        Copy to dyn_spect: 7/8/01; SJT