SIS2 bug fixes from mom-ocean/MOM6#149

NOAA-GFDL/SIS2@67a04e5 Bugfix: uninitialized variables domore_u, domore_v
NOAA-GFDL/SIS2@eb1d222 Bugfix: uninitialized variable G%first_direction

- NOAA-GFDL/SIS2@eb1d222 changed all the SIS_parameter_doc.all files.
- No answer changes.

coupled_AM2_LM3_SIS2/AM2_SIS2B_MOM6i_1deg/SIS_parameter_doc.all

@@ -129,6 +129,11 @@ NK_SNOW = 1                     !   [nondim] default = 1
 H_TO_KG_M2 = 1.0                !   [kg m-2 H-1] default = 1.0
                                 ! A constant that translates thicknesses from the model's
                                 ! internal units of thickness to kg m-2.
+FIRST_DIRECTION = 0             ! default = 0
+                                ! An integer that indicates which direction goes first
+                                ! in parts of the code that use directionally split
+                                ! updates, with even numbers (or 0) used for x- first
+                                ! and odd numbers used for y-first.
 GRID_FILE = "ocean_hgrid.nc"    !
                                 ! Name of the file from which to read horizontal grid data.
 INPUTDIR = "INPUT"              ! default = "."

coupled_AM2_LM3_SIS2/AM2_SIS2_MOM6i_1deg/SIS_parameter_doc.all

@@ -129,6 +129,11 @@ NK_SNOW = 1                     !   [nondim] default = 1
 H_TO_KG_M2 = 1.0                !   [kg m-2 H-1] default = 1.0
                                 ! A constant that translates thicknesses from the model's
                                 ! internal units of thickness to kg m-2.
+FIRST_DIRECTION = 0             ! default = 0
+                                ! An integer that indicates which direction goes first
+                                ! in parts of the code that use directionally split
+                                ! updates, with even numbers (or 0) used for x- first
+                                ! and odd numbers used for y-first.
 GRID_FILE = "ocean_hgrid.nc"    !
                                 ! Name of the file from which to read horizontal grid data.
 INPUTDIR = "INPUT"              ! default = "."

ice_ocean_SIS2/Baltic/SIS_parameter_doc.all

@@ -129,6 +129,11 @@ NK_SNOW = 1                     !   [nondim] default = 1
 H_TO_KG_M2 = 1.0                !   [kg m-2 H-1] default = 1.0
                                 ! A constant that translates thicknesses from the model's
                                 ! internal units of thickness to kg m-2.
+FIRST_DIRECTION = 0             ! default = 0
+                                ! An integer that indicates which direction goes first
+                                ! in parts of the code that use directionally split
+                                ! updates, with even numbers (or 0) used for x- first
+                                ! and odd numbers used for y-first.
 GRID_FILE = "ocean_hgrid.nc"    !
                                 ! Name of the file from which to read horizontal grid data.
 INPUTDIR = "INPUT"              ! default = "."

ice_ocean_SIS2/OM4_025/SIS_parameter_doc.all

@@ -129,6 +129,11 @@ NK_SNOW = 1                     !   [nondim] default = 1
 H_TO_KG_M2 = 1.0                !   [kg m-2 H-1] default = 1.0
                                 ! A constant that translates thicknesses from the model's
                                 ! internal units of thickness to kg m-2.
+FIRST_DIRECTION = 0             ! default = 0
+                                ! An integer that indicates which direction goes first
+                                ! in parts of the code that use directionally split
+                                ! updates, with even numbers (or 0) used for x- first
+                                ! and odd numbers used for y-first.
 GRID_FILE = "ocean_hgrid.nc"    !
                                 ! Name of the file from which to read horizontal grid data.
 INPUTDIR = "INPUT"              ! default = "."

ice_ocean_SIS2/SIS2/SIS_parameter_doc.all

@@ -129,6 +129,11 @@ NK_SNOW = 1                     !   [nondim] default = 1
 H_TO_KG_M2 = 1.0                !   [kg m-2 H-1] default = 1.0
                                 ! A constant that translates thicknesses from the model's
                                 ! internal units of thickness to kg m-2.
+FIRST_DIRECTION = 0             ! default = 0
+                                ! An integer that indicates which direction goes first
+                                ! in parts of the code that use directionally split
+                                ! updates, with even numbers (or 0) used for x- first
+                                ! and odd numbers used for y-first.
 GRID_FILE = "ocean_hgrid.nc"    !
                                 ! Name of the file from which to read horizontal grid data.
 INPUTDIR = "INPUT"              ! default = "."

ice_ocean_SIS2/SIS2_bergs_cgrid/SIS_parameter_doc.all

@@ -129,6 +129,11 @@ NK_SNOW = 1                     !   [nondim] default = 1
 H_TO_KG_M2 = 1.0                !   [kg m-2 H-1] default = 1.0
                                 ! A constant that translates thicknesses from the model's
                                 ! internal units of thickness to kg m-2.
+FIRST_DIRECTION = 0             ! default = 0
+                                ! An integer that indicates which direction goes first
+                                ! in parts of the code that use directionally split
+                                ! updates, with even numbers (or 0) used for x- first
+                                ! and odd numbers used for y-first.
 GRID_FILE = "ocean_hgrid.nc"    !
                                 ! Name of the file from which to read horizontal grid data.
 INPUTDIR = "INPUT"              ! default = "."

ice_ocean_SIS2/SIS2_cgrid/SIS_parameter_doc.all

@@ -129,6 +129,11 @@ NK_SNOW = 1                     !   [nondim] default = 1
 H_TO_KG_M2 = 1.0                !   [kg m-2 H-1] default = 1.0
                                 ! A constant that translates thicknesses from the model's
                                 ! internal units of thickness to kg m-2.
+FIRST_DIRECTION = 0             ! default = 0
+                                ! An integer that indicates which direction goes first
+                                ! in parts of the code that use directionally split
+                                ! updates, with even numbers (or 0) used for x- first
+                                ! and odd numbers used for y-first.
 GRID_FILE = "ocean_hgrid.nc"    !
                                 ! Name of the file from which to read horizontal grid data.
 INPUTDIR = "INPUT"              ! default = "."

ice_ocean_SIS2/SIS2_icebergs/SIS_parameter_doc.all

@@ -129,6 +129,11 @@ NK_SNOW = 1                     !   [nondim] default = 1
 H_TO_KG_M2 = 1.0                !   [kg m-2 H-1] default = 1.0
                                 ! A constant that translates thicknesses from the model's
                                 ! internal units of thickness to kg m-2.
+FIRST_DIRECTION = 0             ! default = 0
+                                ! An integer that indicates which direction goes first
+                                ! in parts of the code that use directionally split
+                                ! updates, with even numbers (or 0) used for x- first
+                                ! and odd numbers used for y-first.
 GRID_FILE = "ocean_hgrid.nc"    !
                                 ! Name of the file from which to read horizontal grid data.
 INPUTDIR = "INPUT"              ! default = "."