Feature 3007 vx ioda

[hsoh-u]

Expected Differences

Added vx_ioda library and ioda2nc was refactored with the vx_ioda library
The feature branch feature_3006_pair_stat was merged. Some SonarQube findings from feature_3006_pair_stat branch were not resolved.

Changed the internal variable data type for ioda variable to double.

• Do these changes introduce new tools, command line arguments, or configuration file options? [No]
  
  If yes, please describe:
  

• Do these changes modify the structure of existing or add new output data types (e.g. statistic line types or NetCDF variables)? [No]
  
  If yes, please describe:
  

Pull Request Testing

• Describe testing already performed for these changes:
  

THe same unittest outputs except two outputs with ioda2nc

• Recommend testing for the reviewer(s) to perform, including the location of input datasets, and any additional instructions:
  

But no suggestion for the extra testing

• Do these changes include sufficient documentation updates, ensuring that no errors or warnings exist in the build of the documentation? [No]

• Do these changes include sufficient testing updates? [No]

• Will this PR result in changes to the MET test suite? [Yes]
  
  If yes, describe the new output and/or changes to the existing output:
  

The valid time from the data type int64 was corrected. The float data type did not fit to handle big integers.

• iodas2nc/2021081612_sonde_small_sid.nc
• the number of valid times was increased from 43 to 291.
• headers were increased from 165 to 304
• iodas2nc/jopa_satwind_20210701T1200Z_int_datetime.nc: corrected the valid times
  • before
    • "20210701_091024"
    • "20210701_085944"
    • "20210701_092936"
    • ...
  • after
    • "20210701_091000"
    • "20210701_090000"
    • "20210701_093000"
  • input data:
    • dateTime = 1625130600, 1625130600, 1625130600, 1625130000, 1625131800,

hsoh@seneca:~$ date +"%Y%m%d_%H%M%S" -d @1625130600
20210701_091000
hsoh@seneca:~$ date +"%Y%m%d_%H%M%S" -d @1625130000
20210701_090000
hsoh@seneca:~$ date +"%Y%m%d_%H%M%S" -d @1625131800
20210701_093000

• Will this PR result in changes to existing METplus Use Cases? [Yes or No]
  
  If yes, create a new Update Truth METplus issue to describe them.

Yes if the the data variable is the unixtime (int64 data type and "seconds since 1970-01-01T00:00:00Z"):

        int64 dateTime(nlocs) ;
                dateTime:_FillValue = -9223372036854775801LL ;
                string dateTime:units = "seconds since 1970-01-01T00:00:00Z" ;

• Do these changes introduce new SonarQube findings? [Yes]
  
  If yes, please describe:

Reduced for vx_ioda and iodas2nc, but introduced from pair_stat component (from another feature branch

• Please complete this pull request review by [Fill in date].
  

Pull Request Checklist

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• Complete the PR definition above.
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