GSI Interpolation Block (#184)

* Empty shell

* quench test working

* Fix plots

* Fix coding norms

* Correct quench example

* Fix copyright

* bugfix for QUENCH and netcdf_cxx library (#174)

* remove unused GeometryIterator

* remove unused in Geometry + implement print

* remove some unused and unimplemented methods in Fields/Inc/State

* remove unused includes; more unused methods; Increment::vars_ member

* Merge with develop

* Clean Geometry.cc

* 3D test

* Print geometry with field

* Improved plotting script for quench

* New branch with only the interpolation

* add placeholder for covariance code

* remove spurious change to saber-import.cmake.in

* coding norm

* remove old gsi tests

* fix a few bugs

* clean up variable checking

* start adding interpolation to randomize

* bug fixes

* add actual randomize and clean up prints

* Minor cleaning

* Remove gaugrid code

* randomize method should create the fields from scratch

* Address review comments

* transform test to 127 levels to match testing in fv3-jedi

* copy interpolation code from oops

* remove base include

* coding norms

Co-authored-by: Benjamin Menetrier <benjamin.menetrier@irit.fr>
Co-authored-by: Anna Shlyaeva <annash@ucar.edu>
Co-authored-by: danholdaway <danholdaway@users.noreply.github.com>

src/saber/CMakeLists.txt

@@ -4,7 +4,7 @@
 # which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 
 # Build list of subdirs with files to add
-set(_subdirs bump external gaugrid interpolation model oops util)
+set(_subdirs bump external gsi interpolation model oops util)
 foreach( _subdir IN LISTS _subdirs )
     add_subdirectory( ${_subdir} )
     list( TRANSFORM ${_subdir}_src_files PREPEND ${_subdir}/ )