refactor: mosaic directory cleanup and rename to grid_utils (#1626)

CMakeLists.txt

@@ -168,9 +168,7 @@ list(APPEND fms_fortran_src_files
   memutils/memutils.F90
   monin_obukhov/monin_obukhov_inter.F90
   monin_obukhov/monin_obukhov.F90
-  mosaic/gradient.F90
-  mosaic/grid.F90
-  mosaic/mosaic.F90
+  grid_utils/gradient.F90
   mosaic2/grid2.F90
   mosaic2/mosaic2.F90
   mpp/mpp.F90
@@ -205,11 +203,10 @@ list(APPEND fms_fortran_src_files
 list(APPEND fms_c_src_files
   affinity/affinity.c
   fms/fms_stacksize.c
-  mosaic/create_xgrid.c
-  mosaic/gradient_c2l.c
-  mosaic/interp.c
-  mosaic/mosaic_util.c
-  mosaic/read_mosaic.c
+  grid_utils/gradient_c2l.c
+  grid_utils/grid_utils.c
+  grid_utils/tree_utils.c
+  horiz_interp/include/horiz_interp_conserve_xgrid.c
   mpp/mpp_memuse.c
   parser/yaml_parser_binding.c
   parser/yaml_output_functions.c
@@ -300,7 +297,8 @@ foreach(kind ${kinds})
   # C
   add_library(${libTgt}_c OBJECT ${fms_c_src_files})
 
-  target_include_directories(${libTgt}_c PRIVATE include)
+  target_include_directories(${libTgt}_c PRIVATE include
+                                                 grid_utils)
   target_compile_definitions(${libTgt}_c PRIVATE "${fms_defs}")
 
   target_link_libraries(${libTgt}_c PRIVATE NetCDF::NetCDF_C
@@ -388,6 +386,7 @@ foreach(kind ${kinds})
     $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/monin_obukhov/include>
     $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/sat_vapor_pres/include>
     $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/field_manager/include>
+    $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/grid_utils>
     $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/horiz_interp/include>
     $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/mosaic2/include>
     $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/string_utils/include>

Makefile.am

@@ -47,7 +47,7 @@ SUBDIRS = \
   parser \
   string_utils \
   affinity \
-  mosaic \
+  grid_utils \
   time_manager \
   axis_utils \
   diag_manager \
@@ -147,4 +147,3 @@ install-data-hook:
 	@echo '| please see our page: https://www.github.com/NOAA-GFDL/FMS   |'
 	@echo '+-------------------------------------------------------------+'
 	@echo ''
-

configure.ac

@@ -479,7 +479,7 @@ AC_CONFIG_FILES([
   tridiagonal/Makefile
   tracer_manager/Makefile
   topography/Makefile
-  mosaic/Makefile
+  grid_utils/Makefile
   mosaic2/Makefile
   monin_obukhov/Makefile
   memutils/Makefile
@@ -541,4 +541,4 @@ AC_OUTPUT()
 
 if test $enable_deprecated_io = yes; then
   AC_MSG_WARN(FMS_IO WILL BE DEPRECATED IN A FUTURE RLEASE. PLEASE UPDATE TO USE FMS2_IO AND REMOVE --enable-deprecated-io FROM YOUR CONFIGURE OPTIONS)
-fi
+fi

mosaic/Makefile.am → grid_utils/Makefile.am

@@ -28,32 +28,20 @@ AM_FCFLAGS = $(FC_MODINC). $(FC_MODOUT)$(MODDIR)
 
 # Build these uninstalled convenience libraries.
 
-noinst_LTLIBRARIES = libmosaic.la
+noinst_LTLIBRARIES = libgrid_utils.la
 
-libmosaic_la_SOURCES = \
-mosaic.F90 \
-grid.F90 \
-gradient.F90 \
-create_xgrid.c \
+libgrid_utils_la_SOURCES = \
+grid_utils.c \
+grid_utils.h \
+tree_utils.c \
+tree_utils.h \
 gradient_c2l.c \
-interp.c \
-mosaic_util.c \
-read_mosaic.c \
-constant.h \
-create_xgrid.h \
 gradient_c2l.h \
-interp.h \
-mosaic_util.h \
-read_mosaic.h
-
-# Some mods are dependant on other mods in this dir.
-grid_mod.$(FC_MODEXT): mosaic_mod.$(FC_MODEXT)
+gradient.F90 \
+constant.h
 
 # Mod files are built and then installed as headers.
-MODFILES = \
-	mosaic_mod.$(FC_MODEXT) \
-	grid_mod.$(FC_MODEXT) \
-	gradient_mod.$(FC_MODEXT)
+MODFILES = 	gradient_mod.$(FC_MODEXT)
 nodist_include_HEADERS = $(MODFILES)
 BUILT_SOURCES = $(MODFILES)
 

mosaic/constant.h → grid_utils/constant.h

@@ -16,5 +16,13 @@
  * You should have received a copy of the GNU Lesser General Public
  * License along with FMS.  If not, see <http://www.gnu.org/licenses/>.
  **********************************************************************/
-#define RADIUS        (6371000.)
-#define STRING        255
+#define RADIUS   (6371000.)
+#define STRING   255
+
+#define EPSLN8   (1.e-8)
+#define EPSLN15  (1.0e-15)
+#define EPSLN30  (1.0e-30)
+#define EPSLN10  (1.0e-10)
+#define R2D (180/M_PI)
+#define TPI (2.0*M_PI)
+#define HPI (0.5*M_PI)

mosaic/gradient_c2l.c → grid_utils/gradient_c2l.c

@@ -19,7 +19,7 @@
 #include <math.h>
 #include <stdlib.h>
 #include "constant.h"
-#include "mosaic_util.h"
+#include "grid_utils.h"
 #include "gradient_c2l.h"
 #include <stdio.h>