Move `read_snapshot.f90` to Common

Because we are going to use it in `test_nearby_extr`.

Overlap/CMakeLists.txt

@@ -3,8 +3,9 @@ add_executable(eddy_graph eddy_graph.f90
   ${CMAKE_SOURCE_DIR}/Common/shp_tr_create.f90 get_snapshot.f90
   overlap.f90 dispatch_snapshot.f90
   ${CMAKE_SOURCE_DIR}/Common/shp_tr_close.f90
-  ${CMAKE_SOURCE_DIR}/Common/read_field_indices.f90 read_snapshot.f90
-  recv_snapshot.f90 candidate_overlap.f90 spher_polygon_area.f90
+  ${CMAKE_SOURCE_DIR}/Common/read_field_indices.f90
+  ${CMAKE_SOURCE_DIR}/Common/read_snapshot.f90 recv_snapshot.f90
+  candidate_overlap.f90 spher_polygon_area.f90
   ${CMAKE_SOURCE_DIR}/Common/spher_polyline_area.f90 write_overlap.f90
   weight.f90 send_snapshot.f90
   ${CMAKE_SOURCE_DIR}/Common/read_eddy.f90

Overlap/Tests/CMakeLists.txt

@@ -2,7 +2,7 @@
 
 add_executable(test_overlap
   ${CMAKE_SOURCE_DIR}/Common/derived_types.f90 overlap.f90
-  read_snapshot.f90 spher_polygon_area.f90
+  ${CMAKE_SOURCE_DIR}/Common/read_snapshot.f90 spher_polygon_area.f90
   ${CMAKE_SOURCE_DIR}/Common/spher_polyline_area.f90 weight.f90
   ${CMAKE_SOURCE_DIR}/Common/read_eddy.f90
   ${CMAKE_SOURCE_DIR}/Common/read_field_indices.f90
@@ -22,7 +22,8 @@ target_include_directories(test_overlap PRIVATE ${fortrangis_INCLUDE_DIR})
 
 add_executable(test_read_snapshot
   ${CMAKE_SOURCE_DIR}/Common/derived_types.f90
-  ${CMAKE_SOURCE_DIR}/Common/shp_tr_create.f90 read_snapshot.f90
+  ${CMAKE_SOURCE_DIR}/Common/shp_tr_create.f90
+  ${CMAKE_SOURCE_DIR}/Common/read_snapshot.f90
   ${CMAKE_SOURCE_DIR}/Common/write_eddy.f90
   ${CMAKE_SOURCE_DIR}/Common/read_eddy.f90
   ${CMAKE_SOURCE_DIR}/Common/read_field_indices.f90
@@ -94,7 +95,8 @@ target_include_directories(test_write_overlap PRIVATE ${fortrangis_INCLUDE_DIR})
 add_executable(test_send_recv
   ${CMAKE_CURRENT_LIST_DIR}/test_send_recv.f90 send_snapshot.f90
   recv_snapshot.f90 ${CMAKE_SOURCE_DIR}/Common/read_field_indices.f90
-  read_snapshot.f90 ${CMAKE_SOURCE_DIR}/Common/write_eddy.f90
+  ${CMAKE_SOURCE_DIR}/Common/read_snapshot.f90
+  ${CMAKE_SOURCE_DIR}/Common/write_eddy.f90
   ${CMAKE_SOURCE_DIR}/Common/shp_tr_create.f90
   ${CMAKE_SOURCE_DIR}/Common/read_eddy.f90
   ${CMAKE_CURRENT_LIST_DIR}/write_snapshot.f90
@@ -116,8 +118,9 @@ add_executable(test_get_dispatch_snap
   ${CMAKE_CURRENT_LIST_DIR}/test_get_dispatch_snap.f90
   get_snapshot.f90 dispatch_snapshot.f90
   ${CMAKE_SOURCE_DIR}/Common/read_field_indices.f90
-  ${CMAKE_CURRENT_LIST_DIR}/write_snapshot.f90 read_snapshot.f90
-  recv_snapshot.f90 ${CMAKE_SOURCE_DIR}/Common/shp_tr_create.f90
+  ${CMAKE_CURRENT_LIST_DIR}/write_snapshot.f90
+  ${CMAKE_SOURCE_DIR}/Common/read_snapshot.f90 recv_snapshot.f90
+  ${CMAKE_SOURCE_DIR}/Common/shp_tr_create.f90
   ${CMAKE_SOURCE_DIR}/Common/write_eddy.f90
   ${CMAKE_SOURCE_DIR}/Tests/write_extr_map.f90
   ${CMAKE_SOURCE_DIR}/Common/read_eddy.f90 send_snapshot.f90